./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark15_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a457e8-5d8b-42fd-aed5-12c5f74f6260/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a457e8-5d8b-42fd-aed5-12c5f74f6260/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a457e8-5d8b-42fd-aed5-12c5f74f6260/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a457e8-5d8b-42fd-aed5-12c5f74f6260/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark15_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a457e8-5d8b-42fd-aed5-12c5f74f6260/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a457e8-5d8b-42fd-aed5-12c5f74f6260/bin/ukojak-verify-ENZ3QT5qd3 --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 32bit --witnessprinter.graph.data.programhash 46a51a72c3021359003e3ef71d7da3d3d8bbf22ab51378532c0a04e68e0092dc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:46:12,827 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:46:12,889 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a457e8-5d8b-42fd-aed5-12c5f74f6260/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 02:46:12,894 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:46:12,895 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:46:12,921 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:46:12,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:46:12,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:46:12,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:46:12,922 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:46:12,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:46:12,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:46:12,923 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:46:12,923 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:46:12,923 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:46:12,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:46:12,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:46:12,924 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:46:12,924 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:46:12,924 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:46:12,924 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:46:12,924 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:46:12,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:46:12,924 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:46:12,924 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:46:12,924 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:46:12,924 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:46:12,925 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:46:12,925 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:46:12,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:46:12,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:46:12,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:46:12,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:46:12,925 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:46:12,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:46:12,925 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_36a457e8-5d8b-42fd-aed5-12c5f74f6260/bin/ukojak-verify-ENZ3QT5qd3 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46a51a72c3021359003e3ef71d7da3d3d8bbf22ab51378532c0a04e68e0092dc [2024-11-25 02:46:13,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:46:13,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:46:13,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:46:13,202 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:46:13,202 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:46:13,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a457e8-5d8b-42fd-aed5-12c5f74f6260/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/loop-zilu/benchmark15_conjunctive.i [2024-11-25 02:46:16,125 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a457e8-5d8b-42fd-aed5-12c5f74f6260/bin/ukojak-verify-ENZ3QT5qd3/data/efa01dfdf/1eb75055b3e245f597a756c6858eb245/FLAGec8cf05cc [2024-11-25 02:46:16,357 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:46:16,358 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a457e8-5d8b-42fd-aed5-12c5f74f6260/sv-benchmarks/c/loop-zilu/benchmark15_conjunctive.i [2024-11-25 02:46:16,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a457e8-5d8b-42fd-aed5-12c5f74f6260/bin/ukojak-verify-ENZ3QT5qd3/data/efa01dfdf/1eb75055b3e245f597a756c6858eb245/FLAGec8cf05cc [2024-11-25 02:46:16,685 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a457e8-5d8b-42fd-aed5-12c5f74f6260/bin/ukojak-verify-ENZ3QT5qd3/data/efa01dfdf/1eb75055b3e245f597a756c6858eb245 [2024-11-25 02:46:16,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:46:16,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:46:16,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:46:16,689 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:46:16,693 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:46:16,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:46:16" (1/1) ... [2024-11-25 02:46:16,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d593a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:16, skipping insertion in model container [2024-11-25 02:46:16,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:46:16" (1/1) ... [2024-11-25 02:46:16,709 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:46:16,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:46:16,907 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:46:16,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:46:16,944 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:46:16,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:16 WrapperNode [2024-11-25 02:46:16,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:46:16,946 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:46:16,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:46:16,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:46:16,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:16" (1/1) ... [2024-11-25 02:46:16,966 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:16" (1/1) ... [2024-11-25 02:46:16,984 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2024-11-25 02:46:16,985 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:46:16,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:46:16,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:46:16,986 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:46:16,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:16" (1/1) ... [2024-11-25 02:46:16,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:16" (1/1) ... [2024-11-25 02:46:16,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:16" (1/1) ... [2024-11-25 02:46:16,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:16" (1/1) ... [2024-11-25 02:46:17,005 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:16" (1/1) ... [2024-11-25 02:46:17,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:16" (1/1) ... [2024-11-25 02:46:17,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:16" (1/1) ... [2024-11-25 02:46:17,014 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:16" (1/1) ... [2024-11-25 02:46:17,014 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:16" (1/1) ... [2024-11-25 02:46:17,015 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:46:17,020 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:46:17,020 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:46:17,020 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:46:17,022 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:16" (1/1) ... [2024-11-25 02:46:17,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:46:17,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a457e8-5d8b-42fd-aed5-12c5f74f6260/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:46:17,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a457e8-5d8b-42fd-aed5-12c5f74f6260/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:46:17,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a457e8-5d8b-42fd-aed5-12c5f74f6260/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:46:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:46:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:46:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:46:17,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:46:17,167 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:46:17,169 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:46:17,337 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-25 02:46:17,337 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:46:17,376 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:46:17,376 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:46:17,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:46:17 BoogieIcfgContainer [2024-11-25 02:46:17,377 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:46:17,378 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:46:17,378 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:46:17,391 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:46:17,391 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:46:17" (1/1) ... [2024-11-25 02:46:17,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:46:17,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:17,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2024-11-25 02:46:17,451 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-11-25 02:46:17,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:46:17,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:17,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:46:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:17,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:46:17,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:17,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2024-11-25 02:46:17,756 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2024-11-25 02:46:17,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:46:17,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:17,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:46:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:46:17,766 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:46:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:46:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:46:17,802 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:46:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:46:17,814 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 02:46:17,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:46:17 ImpRootNode [2024-11-25 02:46:17,834 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:46:17,835 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:46:17,835 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:46:17,835 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:46:17,836 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:46:17" (3/4) ... [2024-11-25 02:46:17,836 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 02:46:17,873 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 1. [2024-11-25 02:46:17,914 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a457e8-5d8b-42fd-aed5-12c5f74f6260/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:46:17,915 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a457e8-5d8b-42fd-aed5-12c5f74f6260/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:46:17,915 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:46:17,916 INFO L158 Benchmark]: Toolchain (without parser) took 1227.44ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 70.9MB in the end (delta: 45.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 02:46:17,917 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:46:17,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.67ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 106.1MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:46:17,918 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.37ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:46:17,919 INFO L158 Benchmark]: Boogie Preprocessor took 30.09ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 104.2MB in the end (delta: 732.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:46:17,921 INFO L158 Benchmark]: RCFGBuilder took 356.66ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 91.9MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:46:17,922 INFO L158 Benchmark]: CodeCheck took 456.28ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 74.7MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:46:17,922 INFO L158 Benchmark]: Witness Printer took 80.39ms. Allocated memory is still 142.6MB. Free memory was 74.7MB in the beginning and 70.9MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:46:17,924 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, 22 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 0 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 23]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int low = __VERIFIER_nondet_int(); [L21] int mid = __VERIFIER_nondet_int(); [L22] int high = __VERIFIER_nondet_int(); [L23] low == 0 && mid >= 1 && high == 2*mid VAL [high=0, low=0, mid=1073741824] [L23] 2*mid VAL [high=0, low=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.67ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 106.1MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.37ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.09ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 104.2MB in the end (delta: 732.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 356.66ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 91.9MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 456.28ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 74.7MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 80.39ms. Allocated memory is still 142.6MB. Free memory was 74.7MB in the beginning and 70.9MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 02:46:17,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a457e8-5d8b-42fd-aed5-12c5f74f6260/bin/ukojak-verify-ENZ3QT5qd3/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)