./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.22.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_9c031a47-d121-475b-9656-a1ab482aec6c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c031a47-d121-475b-9656-a1ab482aec6c/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_9c031a47-d121-475b-9656-a1ab482aec6c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c031a47-d121-475b-9656-a1ab482aec6c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.22.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c031a47-d121-475b-9656-a1ab482aec6c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c031a47-d121-475b-9656-a1ab482aec6c/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 64bit --witnessprinter.graph.data.programhash 103198e46ec6f3d29d6f3ad1dd77f22c63a30ce9281488605b03721103d00e9d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:29:54,400 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:29:54,483 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c031a47-d121-475b-9656-a1ab482aec6c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:29:54,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:29:54,488 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:29:54,514 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:29:54,515 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:29:54,515 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:29:54,516 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:29:54,516 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:29:54,516 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:29:54,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:29:54,516 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:29:54,516 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:29:54,517 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:29:54,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:29:54,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:29:54,517 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:29:54,517 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:29:54,517 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:29:54,517 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:29:54,517 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:29:54,517 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:29:54,518 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:29:54,518 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:29:54,518 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:29:54,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:29:54,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:29:54,518 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:29:54,518 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:29:54,518 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:29:54,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:29:54,519 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_9c031a47-d121-475b-9656-a1ab482aec6c/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 103198e46ec6f3d29d6f3ad1dd77f22c63a30ce9281488605b03721103d00e9d [2024-11-25 03:29:54,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:29:54,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:29:54,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:29:54,829 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:29:54,830 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:29:54,831 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c031a47-d121-475b-9656-a1ab482aec6c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.22.c [2024-11-25 03:29:58,098 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c031a47-d121-475b-9656-a1ab482aec6c/bin/ukojak-verify-ENZ3QT5qd3/data/cfab8dbfb/f73e5408807147a9b551fecb0df2e60c/FLAG9216b0b2a [2024-11-25 03:29:58,404 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:29:58,405 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c031a47-d121-475b-9656-a1ab482aec6c/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.22.c [2024-11-25 03:29:58,419 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c031a47-d121-475b-9656-a1ab482aec6c/bin/ukojak-verify-ENZ3QT5qd3/data/cfab8dbfb/f73e5408807147a9b551fecb0df2e60c/FLAG9216b0b2a [2024-11-25 03:29:58,445 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c031a47-d121-475b-9656-a1ab482aec6c/bin/ukojak-verify-ENZ3QT5qd3/data/cfab8dbfb/f73e5408807147a9b551fecb0df2e60c [2024-11-25 03:29:58,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:29:58,452 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:29:58,470 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:29:58,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:29:58,479 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:29:58,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:29:58" (1/1) ... [2024-11-25 03:29:58,487 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59d598af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:58, skipping insertion in model container [2024-11-25 03:29:58,489 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:29:58" (1/1) ... [2024-11-25 03:29:58,505 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:29:58,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:29:58,714 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:29:58,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:29:58,748 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:29:58,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:58 WrapperNode [2024-11-25 03:29:58,748 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:29:58,750 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:29:58,750 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:29:58,751 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:29:58,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:58" (1/1) ... [2024-11-25 03:29:58,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:58" (1/1) ... [2024-11-25 03:29:58,784 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2024-11-25 03:29:58,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:29:58,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:29:58,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:29:58,785 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:29:58,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:58" (1/1) ... [2024-11-25 03:29:58,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:58" (1/1) ... [2024-11-25 03:29:58,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:58" (1/1) ... [2024-11-25 03:29:58,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:58" (1/1) ... [2024-11-25 03:29:58,799 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:58" (1/1) ... [2024-11-25 03:29:58,801 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:58" (1/1) ... [2024-11-25 03:29:58,806 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:58" (1/1) ... [2024-11-25 03:29:58,811 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:58" (1/1) ... [2024-11-25 03:29:58,811 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:58" (1/1) ... [2024-11-25 03:29:58,812 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:29:58,817 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:29:58,817 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:29:58,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:29:58,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:58" (1/1) ... [2024-11-25 03:29:58,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:29:58,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c031a47-d121-475b-9656-a1ab482aec6c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:29:58,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c031a47-d121-475b-9656-a1ab482aec6c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:29:58,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c031a47-d121-475b-9656-a1ab482aec6c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:29:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:29:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:29:58,989 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:29:58,991 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:29:59,082 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 03:29:59,083 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:29:59,108 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:29:59,110 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:29:59,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:29:59 BoogieIcfgContainer [2024-11-25 03:29:59,111 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:29:59,112 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:29:59,112 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:29:59,123 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:29:59,123 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:29:59" (1/1) ... [2024-11-25 03:29:59,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:29:59,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:29:59,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-11-25 03:29:59,203 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-11-25 03:29:59,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:29:59,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:29:59,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:29:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:29:59,402 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 03:29:59,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:29:59,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-25 03:29:59,466 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-25 03:29:59,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:29:59,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:29:59,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:29:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:29:59,481 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:29:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:29:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:29:59,519 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:29:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:29:59,535 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 03:29:59,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:29:59 ImpRootNode [2024-11-25 03:29:59,564 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:29:59,566 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:29:59,566 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:29:59,567 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:29:59,567 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:29:59" (3/4) ... [2024-11-25 03:29:59,568 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:29:59,614 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 1. [2024-11-25 03:29:59,659 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c031a47-d121-475b-9656-a1ab482aec6c/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:29:59,659 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c031a47-d121-475b-9656-a1ab482aec6c/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:29:59,659 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:29:59,661 INFO L158 Benchmark]: Toolchain (without parser) took 1209.21ms. Allocated memory was 494.9MB in the beginning and 117.4MB in the end (delta: -377.5MB). Free memory was 471.6MB in the beginning and 54.4MB in the end (delta: 417.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 03:29:59,661 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:29:59,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.12ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 83.9MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:29:59,662 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.42ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 82.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:29:59,662 INFO L158 Benchmark]: Boogie Preprocessor took 27.31ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 82.4MB in the end (delta: 392.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:29:59,664 INFO L158 Benchmark]: RCFGBuilder took 294.49ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 72.0MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:29:59,665 INFO L158 Benchmark]: CodeCheck took 452.56ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 58.2MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:29:59,665 INFO L158 Benchmark]: Witness Printer took 93.25ms. Allocated memory is still 117.4MB. Free memory was 58.2MB in the beginning and 54.4MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:29:59,667 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, 10 locations, 2 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, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 6 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 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: 27]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y, oldy; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] oldy = __VERIFIER_nondet_int() [L27] x > 0 && y <= -oldy VAL [oldy=-2147483648, y=0] [L27] -oldy VAL [y=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.12ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 83.9MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.42ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 82.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.31ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 82.4MB in the end (delta: 392.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 294.49ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 72.0MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 452.56ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 58.2MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 93.25ms. Allocated memory is still 117.4MB. Free memory was 58.2MB in the beginning and 54.4MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 03:29:59,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c031a47-d121-475b-9656-a1ab482aec6c/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)