./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive/Addition02WithOverflowBug.c --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_7eabe209-8058-408b-a7e0-e38ad09844b2/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eabe209-8058-408b-a7e0-e38ad09844b2/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_7eabe209-8058-408b-a7e0-e38ad09844b2/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eabe209-8058-408b-a7e0-e38ad09844b2/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/Addition02WithOverflowBug.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eabe209-8058-408b-a7e0-e38ad09844b2/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_7eabe209-8058-408b-a7e0-e38ad09844b2/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 4dc17171ab7e1d3edd86dad6d65587aa7dd0f9060f526fa057c22f6fe741258c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:38:07,429 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:38:07,527 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eabe209-8058-408b-a7e0-e38ad09844b2/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 03:38:07,535 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:38:07,535 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:38:07,558 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:38:07,558 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:38:07,559 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:38:07,559 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:38:07,559 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:38:07,559 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:38:07,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:38:07,560 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:38:07,560 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:38:07,560 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:38:07,560 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:38:07,560 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:38:07,560 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:38:07,560 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:38:07,560 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:38:07,560 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:38:07,560 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:38:07,561 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:38:07,561 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:38:07,561 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:38:07,561 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:38:07,561 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:38:07,561 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:38:07,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:38:07,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:38:07,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:38:07,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:38:07,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:38:07,562 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:38:07,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:38:07,562 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_7eabe209-8058-408b-a7e0-e38ad09844b2/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 -> 4dc17171ab7e1d3edd86dad6d65587aa7dd0f9060f526fa057c22f6fe741258c [2024-11-25 03:38:07,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:38:07,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:38:07,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:38:07,918 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:38:07,919 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:38:07,920 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eabe209-8058-408b-a7e0-e38ad09844b2/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/recursive/Addition02WithOverflowBug.c [2024-11-25 03:38:11,004 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eabe209-8058-408b-a7e0-e38ad09844b2/bin/ukojak-verify-ENZ3QT5qd3/data/cea7d1ade/10d1efd20eb747d4a26a341ee518b748/FLAG8e63dbd7d [2024-11-25 03:38:11,266 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:38:11,267 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eabe209-8058-408b-a7e0-e38ad09844b2/sv-benchmarks/c/recursive/Addition02WithOverflowBug.c [2024-11-25 03:38:11,275 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eabe209-8058-408b-a7e0-e38ad09844b2/bin/ukojak-verify-ENZ3QT5qd3/data/cea7d1ade/10d1efd20eb747d4a26a341ee518b748/FLAG8e63dbd7d [2024-11-25 03:38:11,290 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eabe209-8058-408b-a7e0-e38ad09844b2/bin/ukojak-verify-ENZ3QT5qd3/data/cea7d1ade/10d1efd20eb747d4a26a341ee518b748 [2024-11-25 03:38:11,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:38:11,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:38:11,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:38:11,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:38:11,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:38:11,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:38:11" (1/1) ... [2024-11-25 03:38:11,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@213de491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:11, skipping insertion in model container [2024-11-25 03:38:11,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:38:11" (1/1) ... [2024-11-25 03:38:11,317 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:38:11,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:38:11,480 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:38:11,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:38:11,516 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:38:11,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:11 WrapperNode [2024-11-25 03:38:11,517 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:38:11,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:38:11,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:38:11,519 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:38:11,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:11" (1/1) ... [2024-11-25 03:38:11,538 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:11" (1/1) ... [2024-11-25 03:38:11,555 INFO L138 Inliner]: procedures = 13, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2024-11-25 03:38:11,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:38:11,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:38:11,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:38:11,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:38:11,564 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:11" (1/1) ... [2024-11-25 03:38:11,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:11" (1/1) ... [2024-11-25 03:38:11,569 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:11" (1/1) ... [2024-11-25 03:38:11,569 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:11" (1/1) ... [2024-11-25 03:38:11,572 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:11" (1/1) ... [2024-11-25 03:38:11,576 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:11" (1/1) ... [2024-11-25 03:38:11,578 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:11" (1/1) ... [2024-11-25 03:38:11,579 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:11" (1/1) ... [2024-11-25 03:38:11,580 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:11" (1/1) ... [2024-11-25 03:38:11,581 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:38:11,586 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:38:11,586 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:38:11,586 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:38:11,587 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:11" (1/1) ... [2024-11-25 03:38:11,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:38:11,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eabe209-8058-408b-a7e0-e38ad09844b2/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:38:11,630 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eabe209-8058-408b-a7e0-e38ad09844b2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:38:11,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eabe209-8058-408b-a7e0-e38ad09844b2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:38:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:38:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:38:11,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:38:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:38:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2024-11-25 03:38:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2024-11-25 03:38:11,727 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:38:11,729 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:38:11,906 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-25 03:38:11,906 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:38:11,942 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:38:11,943 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:38:11,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:38:11 BoogieIcfgContainer [2024-11-25 03:38:11,943 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:38:11,944 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:38:11,944 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:38:11,959 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:38:11,960 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:38:11" (1/1) ... [2024-11-25 03:38:11,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:38:12,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:38:12,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 34 states and 38 transitions. [2024-11-25 03:38:12,027 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2024-11-25 03:38:12,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:38:12,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:38:12,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:38:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:38:12,250 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 03:38:12,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:38:12,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 46 transitions. [2024-11-25 03:38:12,382 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2024-11-25 03:38:12,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:38:12,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:38:12,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:38:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:38:12,394 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:38:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:38:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:38:12,434 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:38:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:38:12,452 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 03:38:12,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:38:12 ImpRootNode [2024-11-25 03:38:12,483 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:38:12,483 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:38:12,484 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:38:12,484 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:38:12,484 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:38:11" (3/4) ... [2024-11-25 03:38:12,485 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:38:12,518 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 5. [2024-11-25 03:38:12,564 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eabe209-8058-408b-a7e0-e38ad09844b2/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:38:12,565 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eabe209-8058-408b-a7e0-e38ad09844b2/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:38:12,565 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:38:12,567 INFO L158 Benchmark]: Toolchain (without parser) took 1272.01ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 69.1MB in the end (delta: 48.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-25 03:38:12,567 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:38:12,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.94ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 107.5MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:38:12,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.29ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.3MB in the end (delta: 956.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:38:12,568 INFO L158 Benchmark]: Boogie Preprocessor took 28.06ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.6MB in the end (delta: 760.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:38:12,569 INFO L158 Benchmark]: RCFGBuilder took 357.81ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 93.1MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:38:12,569 INFO L158 Benchmark]: CodeCheck took 538.63ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 73.2MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:38:12,569 INFO L158 Benchmark]: Witness Printer took 81.52ms. Allocated memory is still 142.6MB. Free memory was 72.9MB in the beginning and 69.1MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:38:12,573 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 2 procedures, 34 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 10 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 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, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 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: [L29] int m = __VERIFIER_nondet_int(); [L30] int n = __VERIFIER_nondet_int(); [L31] CALL addition(m,n) VAL [\old(m)=-2147483648, \old(n)=-1] [L16] COND FALSE !(n == 0) VAL [\old(m)=-2147483648, \old(n)=-1, m=-2147483648, n=-1] [L19] COND FALSE !(n > 0) VAL [\old(m)=-2147483648, \old(n)=-1, m=-2147483648, n=-1] [L22] COND TRUE n < 0 VAL [\old(m)=-2147483648, \old(n)=-1, m=-2147483648, n=-1] [L23] m-1 VAL [\old(m)=-2147483648, \old(n)=-1, n=-1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.94ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 107.5MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.29ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.3MB in the end (delta: 956.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.06ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.6MB in the end (delta: 760.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 357.81ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 93.1MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 538.63ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 73.2MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 81.52ms. Allocated memory is still 142.6MB. Free memory was 72.9MB in the beginning and 69.1MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 03:38:12,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eabe209-8058-408b-a7e0-e38ad09844b2/bin/ukojak-verify-ENZ3QT5qd3/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)