./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/NoriSharma-FSE2013-Fig8.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_39bacdd3-44c3-4fda-9b66-f8b78c363d71/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bacdd3-44c3-4fda-9b66-f8b78c363d71/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bacdd3-44c3-4fda-9b66-f8b78c363d71/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bacdd3-44c3-4fda-9b66-f8b78c363d71/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/NoriSharma-FSE2013-Fig8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bacdd3-44c3-4fda-9b66-f8b78c363d71/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bacdd3-44c3-4fda-9b66-f8b78c363d71/bin/ukojak-verify-CZk0znPC7b --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 296e9988b55edbc54108eff44b47c089045df177e779a079877f1dfcae166da5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:57:50,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:57:50,709 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bacdd3-44c3-4fda-9b66-f8b78c363d71/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 22:57:50,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:57:50,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:57:50,730 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:57:50,731 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:57:50,731 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:57:50,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:57:50,732 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:57:50,732 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:57:50,732 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:57:50,732 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:57:50,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:57:50,732 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:57:50,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:57:50,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:57:50,732 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:57:50,733 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:57:50,733 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:57:50,733 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:57:50,733 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:57:50,733 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:57:50,733 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:57:50,733 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:57:50,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:57:50,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:57:50,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:57:50,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:57:50,734 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:57:50,734 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:57:50,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:57:50,734 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_39bacdd3-44c3-4fda-9b66-f8b78c363d71/bin/ukojak-verify-CZk0znPC7b 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 -> 296e9988b55edbc54108eff44b47c089045df177e779a079877f1dfcae166da5 [2024-12-05 22:57:50,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:57:50,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:57:50,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:57:50,958 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:57:50,959 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:57:50,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bacdd3-44c3-4fda-9b66-f8b78c363d71/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-crafted-lit/NoriSharma-FSE2013-Fig8.c [2024-12-05 22:57:53,571 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bacdd3-44c3-4fda-9b66-f8b78c363d71/bin/ukojak-verify-CZk0znPC7b/data/fa645c39e/e8ffde28b7b84b059aaac38ebe0546eb/FLAGe3ab6eed7 [2024-12-05 22:57:53,748 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:57:53,748 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bacdd3-44c3-4fda-9b66-f8b78c363d71/sv-benchmarks/c/termination-crafted-lit/NoriSharma-FSE2013-Fig8.c [2024-12-05 22:57:53,753 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bacdd3-44c3-4fda-9b66-f8b78c363d71/bin/ukojak-verify-CZk0znPC7b/data/fa645c39e/e8ffde28b7b84b059aaac38ebe0546eb/FLAGe3ab6eed7 [2024-12-05 22:57:54,138 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bacdd3-44c3-4fda-9b66-f8b78c363d71/bin/ukojak-verify-CZk0znPC7b/data/fa645c39e/e8ffde28b7b84b059aaac38ebe0546eb [2024-12-05 22:57:54,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:57:54,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:57:54,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:57:54,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:57:54,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:57:54,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:57:54" (1/1) ... [2024-12-05 22:57:54,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16e5b4ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:54, skipping insertion in model container [2024-12-05 22:57:54,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:57:54" (1/1) ... [2024-12-05 22:57:54,156 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:57:54,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:57:54,260 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:57:54,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:57:54,278 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:57:54,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:54 WrapperNode [2024-12-05 22:57:54,279 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:57:54,279 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:57:54,279 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:57:54,279 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:57:54,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:54" (1/1) ... [2024-12-05 22:57:54,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:54" (1/1) ... [2024-12-05 22:57:54,297 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2024-12-05 22:57:54,297 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:57:54,298 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:57:54,298 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:57:54,298 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:57:54,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:54" (1/1) ... [2024-12-05 22:57:54,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:54" (1/1) ... [2024-12-05 22:57:54,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:54" (1/1) ... [2024-12-05 22:57:54,303 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:54" (1/1) ... [2024-12-05 22:57:54,304 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:54" (1/1) ... [2024-12-05 22:57:54,305 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:54" (1/1) ... [2024-12-05 22:57:54,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:54" (1/1) ... [2024-12-05 22:57:54,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:54" (1/1) ... [2024-12-05 22:57:54,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:54" (1/1) ... [2024-12-05 22:57:54,311 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:57:54,312 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:57:54,312 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:57:54,312 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:57:54,313 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:54" (1/1) ... [2024-12-05 22:57:54,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:57:54,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bacdd3-44c3-4fda-9b66-f8b78c363d71/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:57:54,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bacdd3-44c3-4fda-9b66-f8b78c363d71/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:57:54,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bacdd3-44c3-4fda-9b66-f8b78c363d71/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:57:54,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:57:54,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:57:54,414 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:57:54,416 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:57:54,512 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-12-05 22:57:54,513 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:57:54,535 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:57:54,535 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:57:54,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:57:54 BoogieIcfgContainer [2024-12-05 22:57:54,535 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:57:54,536 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:57:54,536 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:57:54,544 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:57:54,544 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:57:54" (1/1) ... [2024-12-05 22:57:54,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:57:54,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:54,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2024-12-05 22:57:54,590 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2024-12-05 22:57:54,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 22:57:54,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:54,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:57:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:54,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:57:54,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:54,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2024-12-05 22:57:54,735 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2024-12-05 22:57:54,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:57:54,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:54,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:57:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:54,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:57:54,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:54,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2024-12-05 22:57:54,835 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-12-05 22:57:54,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:57:54,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:54,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:57:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:54,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:57:54,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:54,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2024-12-05 22:57:54,903 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2024-12-05 22:57:54,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:57:54,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:54,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:57:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:54,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:57:55,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:55,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2024-12-05 22:57:55,145 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-12-05 22:57:55,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:57:55,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:55,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:57:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:55,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:57:55,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:55,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2024-12-05 22:57:55,513 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2024-12-05 22:57:55,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:57:55,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:55,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:57:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:57:55,522 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:57:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:57:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:57:55,547 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:57:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:57:55,554 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-12-05 22:57:55,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:57:55 ImpRootNode [2024-12-05 22:57:55,574 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:57:55,574 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:57:55,574 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:57:55,574 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:57:55,575 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:57:54" (3/4) ... [2024-12-05 22:57:55,575 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 22:57:55,608 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 3. [2024-12-05 22:57:55,646 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bacdd3-44c3-4fda-9b66-f8b78c363d71/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:57:55,647 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bacdd3-44c3-4fda-9b66-f8b78c363d71/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:57:55,647 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:57:55,647 INFO L158 Benchmark]: Toolchain (without parser) took 1506.46ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 68.4MB in the end (delta: 24.5MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-12-05 22:57:55,648 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:57:55,648 INFO L158 Benchmark]: CACSL2BoogieTranslator took 137.11ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 83.0MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:57:55,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.81ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.9MB in the end (delta: 812.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:57:55,649 INFO L158 Benchmark]: Boogie Preprocessor took 13.57ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 81.0MB in the end (delta: 856.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:57:55,649 INFO L158 Benchmark]: RCFGBuilder took 223.66ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 70.5MB in the end (delta: 10.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:57:55,649 INFO L158 Benchmark]: CodeCheck took 1037.98ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 72.1MB in the end (delta: -1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:57:55,649 INFO L158 Benchmark]: Witness Printer took 72.38ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 68.4MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:57:55,651 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, 20 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 81 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57 mSDsluCounter, 90 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 70 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 176 IncrementalHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 20 mSDtfsCounter, 176 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 216 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 65 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 29]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int c, u, v, w, x, y, z; [L16] x = __VERIFIER_nondet_int() [L17] y = __VERIFIER_nondet_int() [L18] z = __VERIFIER_nondet_int() [L19] u = x [L20] v = y [L21] w = z [L22] c = 0 VAL [c=0, x=2147483647, y=2147483647, z=0] [L23] COND TRUE x >= y VAL [c=0, x=2147483647, y=2147483647, z=0] [L24] EXPR c + 1 [L24] c = c + 1 VAL [c=1, x=2147483647, y=2147483647, z=0] [L25] COND FALSE !(z > 1) VAL [c=1, x=2147483647, y=2147483647, z=0] [L29] y + 1 VAL [c=1, x=2147483647, z=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 137.11ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 83.0MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 17.81ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.9MB in the end (delta: 812.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.57ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 81.0MB in the end (delta: 856.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 223.66ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 70.5MB in the end (delta: 10.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1037.98ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 72.1MB in the end (delta: -1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 72.38ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 68.4MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 22:57:55,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bacdd3-44c3-4fda-9b66-f8b78c363d71/bin/ukojak-verify-CZk0znPC7b/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)