./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/strchr-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c400cd7-5317-4bef-937d-3da8dfdb7f14/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c400cd7-5317-4bef-937d-3da8dfdb7f14/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c400cd7-5317-4bef-937d-3da8dfdb7f14/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c400cd7-5317-4bef-937d-3da8dfdb7f14/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/strchr-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c400cd7-5317-4bef-937d-3da8dfdb7f14/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c400cd7-5317-4bef-937d-3da8dfdb7f14/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --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 56543ff07033f409bda2d099925e951e930a78ae70df66d6e254f37a45b78a9d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:03:17,769 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:03:17,857 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c400cd7-5317-4bef-937d-3da8dfdb7f14/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:03:17,863 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:03:17,864 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:03:17,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:03:17,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:03:17,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:03:17,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:03:17,900 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:03:17,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:03:17,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:03:17,902 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:03:17,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:03:17,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:03:17,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:03:17,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:03:17,906 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:03:17,907 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:03:17,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:03:17,909 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:03:17,910 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:03:17,911 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:03:17,912 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:03:17,912 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:03:17,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:03:17,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:03:17,915 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:03:17,916 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:03:17,916 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:03:17,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:03:17,918 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:03:17,918 INFO L153 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_0c400cd7-5317-4bef-937d-3da8dfdb7f14/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c400cd7-5317-4bef-937d-3da8dfdb7f14/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56543ff07033f409bda2d099925e951e930a78ae70df66d6e254f37a45b78a9d [2023-11-23 20:03:18,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:03:18,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:03:18,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:03:18,398 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:03:18,399 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:03:18,400 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c400cd7-5317-4bef-937d-3da8dfdb7f14/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-crafted-lit/strchr-2.c [2023-11-23 20:03:22,236 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:03:22,549 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:03:22,555 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c400cd7-5317-4bef-937d-3da8dfdb7f14/sv-benchmarks/c/termination-crafted-lit/strchr-2.c [2023-11-23 20:03:22,564 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c400cd7-5317-4bef-937d-3da8dfdb7f14/bin/ukojak-verify-1t5iHCbJaC/data/258227753/e8b3584e196a4623984ae449f6d9bd1f/FLAG267e3e4a2 [2023-11-23 20:03:22,582 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c400cd7-5317-4bef-937d-3da8dfdb7f14/bin/ukojak-verify-1t5iHCbJaC/data/258227753/e8b3584e196a4623984ae449f6d9bd1f [2023-11-23 20:03:22,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:03:22,587 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:03:22,589 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:03:22,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:03:22,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:03:22,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:22" (1/1) ... [2023-11-23 20:03:22,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62530eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:22, skipping insertion in model container [2023-11-23 20:03:22,599 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:22" (1/1) ... [2023-11-23 20:03:22,624 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:03:22,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:03:22,826 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:03:22,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:03:22,861 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:03:22,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:22 WrapperNode [2023-11-23 20:03:22,862 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:03:22,863 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:03:22,863 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:03:22,863 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:03:22,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:22" (1/1) ... [2023-11-23 20:03:22,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:22" (1/1) ... [2023-11-23 20:03:22,911 INFO L138 Inliner]: procedures = 11, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2023-11-23 20:03:22,911 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:03:22,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:03:22,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:03:22,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:03:22,924 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:22" (1/1) ... [2023-11-23 20:03:22,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:22" (1/1) ... [2023-11-23 20:03:22,927 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:22" (1/1) ... [2023-11-23 20:03:22,927 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:22" (1/1) ... [2023-11-23 20:03:22,933 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:22" (1/1) ... [2023-11-23 20:03:22,937 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:22" (1/1) ... [2023-11-23 20:03:22,938 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:22" (1/1) ... [2023-11-23 20:03:22,940 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:22" (1/1) ... [2023-11-23 20:03:22,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:03:22,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:03:22,944 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:03:22,956 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:03:22,957 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:22" (1/1) ... [2023-11-23 20:03:22,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:03:22,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c400cd7-5317-4bef-937d-3da8dfdb7f14/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:03:22,995 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c400cd7-5317-4bef-937d-3da8dfdb7f14/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:03:23,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c400cd7-5317-4bef-937d-3da8dfdb7f14/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:03:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:03:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:03:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:03:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:03:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:03:23,143 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:03:23,146 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:03:23,325 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:03:23,422 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:03:23,422 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:03:23,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:23 BoogieIcfgContainer [2023-11-23 20:03:23,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:03:23,426 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:03:23,426 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:03:23,438 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:03:23,438 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:23" (1/1) ... [2023-11-23 20:03:23,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:03:23,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:23,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2023-11-23 20:03:23,515 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2023-11-23 20:03:23,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-23 20:03:23,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:23,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:23,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:23,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:23,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-11-23 20:03:23,820 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-11-23 20:03:23,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:03:23,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:23,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:23,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:23,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:24,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:24,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-23 20:03:24,041 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-23 20:03:24,042 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:03:24,042 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2023-11-23 20:03:24,055 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-11-23 20:03:24,085 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:03:24,091 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-23 20:03:24,094 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:03:24,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:03:24 ImpRootNode [2023-11-23 20:03:24,096 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:03:24,097 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:03:24,097 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:03:24,097 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:03:24,099 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:23" (3/4) ... [2023-11-23 20:03:24,104 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:03:24,116 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-23 20:03:24,116 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 20:03:24,117 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-23 20:03:24,117 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:03:24,297 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c400cd7-5317-4bef-937d-3da8dfdb7f14/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:03:24,301 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c400cd7-5317-4bef-937d-3da8dfdb7f14/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:03:24,301 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:03:24,302 INFO L158 Benchmark]: Toolchain (without parser) took 1714.88ms. Allocated memory is still 134.2MB. Free memory was 97.0MB in the beginning and 47.1MB in the end (delta: 49.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-23 20:03:24,303 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 134.2MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:03:24,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.79ms. Allocated memory is still 134.2MB. Free memory was 97.0MB in the beginning and 87.0MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:03:24,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.85ms. Allocated memory is still 134.2MB. Free memory was 87.0MB in the beginning and 85.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:03:24,340 INFO L158 Benchmark]: Boogie Preprocessor took 30.13ms. Allocated memory is still 134.2MB. Free memory was 85.2MB in the beginning and 84.4MB in the end (delta: 794.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:03:24,340 INFO L158 Benchmark]: RCFGBuilder took 480.96ms. Allocated memory is still 134.2MB. Free memory was 84.0MB in the beginning and 71.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:03:24,341 INFO L158 Benchmark]: CodeCheck took 670.32ms. Allocated memory is still 134.2MB. Free memory was 71.0MB in the beginning and 51.7MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:03:24,342 INFO L158 Benchmark]: Witness Printer took 204.75ms. Allocated memory is still 134.2MB. Free memory was 51.3MB in the beginning and 47.1MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:03:24,351 INFO L338 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, 9 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 0 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (length < 2147483648) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 134.2MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.79ms. Allocated memory is still 134.2MB. Free memory was 97.0MB in the beginning and 87.0MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.85ms. Allocated memory is still 134.2MB. Free memory was 87.0MB in the beginning and 85.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.13ms. Allocated memory is still 134.2MB. Free memory was 85.2MB in the beginning and 84.4MB in the end (delta: 794.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 480.96ms. Allocated memory is still 134.2MB. Free memory was 84.0MB in the beginning and 71.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 670.32ms. Allocated memory is still 134.2MB. Free memory was 71.0MB in the beginning and 51.7MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 204.75ms. Allocated memory is still 134.2MB. Free memory was 51.3MB in the beginning and 47.1MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:03:24,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c400cd7-5317-4bef-937d-3da8dfdb7f14/bin/ukojak-verify-1t5iHCbJaC/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