./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron1.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_d676acec-f456-4d38-88c9-3f34b9e28e05/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d676acec-f456-4d38-88c9-3f34b9e28e05/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_d676acec-f456-4d38-88c9-3f34b9e28e05/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d676acec-f456-4d38-88c9-3f34b9e28e05/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d676acec-f456-4d38-88c9-3f34b9e28e05/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_d676acec-f456-4d38-88c9-3f34b9e28e05/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 6d3b1a458f9027059a3589bba9b063c67be5b54a9d774100762ce2971e52e252 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:45:16,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:45:16,598 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d676acec-f456-4d38-88c9-3f34b9e28e05/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 23:45:16,602 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:45:16,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:45:16,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:45:16,622 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:45:16,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:45:16,622 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:45:16,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:45:16,622 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:45:16,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:45:16,623 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:45:16,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:45:16,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:45:16,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:45:16,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:45:16,623 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:45:16,623 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:45:16,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:45:16,623 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:45:16,623 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:45:16,623 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:45:16,624 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:45:16,624 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:45:16,624 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:45:16,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:45:16,624 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:45:16,624 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:45:16,624 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:45:16,624 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:45:16,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:45:16,624 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_d676acec-f456-4d38-88c9-3f34b9e28e05/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 -> 6d3b1a458f9027059a3589bba9b063c67be5b54a9d774100762ce2971e52e252 [2024-12-05 23:45:16,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:45:16,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:45:16,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:45:16,870 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:45:16,870 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:45:16,871 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d676acec-f456-4d38-88c9-3f34b9e28e05/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron1.c [2024-12-05 23:45:19,517 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d676acec-f456-4d38-88c9-3f34b9e28e05/bin/ukojak-verify-CZk0znPC7b/data/79e4152c4/456774023240403595b7b787aa217c8d/FLAGa4f6fc4ab [2024-12-05 23:45:19,707 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:45:19,707 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d676acec-f456-4d38-88c9-3f34b9e28e05/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron1.c [2024-12-05 23:45:19,713 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d676acec-f456-4d38-88c9-3f34b9e28e05/bin/ukojak-verify-CZk0znPC7b/data/79e4152c4/456774023240403595b7b787aa217c8d/FLAGa4f6fc4ab [2024-12-05 23:45:20,101 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d676acec-f456-4d38-88c9-3f34b9e28e05/bin/ukojak-verify-CZk0znPC7b/data/79e4152c4/456774023240403595b7b787aa217c8d [2024-12-05 23:45:20,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:45:20,105 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:45:20,106 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:45:20,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:45:20,110 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:45:20,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:45:20" (1/1) ... [2024-12-05 23:45:20,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6930058c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:20, skipping insertion in model container [2024-12-05 23:45:20,112 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:45:20" (1/1) ... [2024-12-05 23:45:20,124 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:45:20,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:45:20,251 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:45:20,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:45:20,275 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:45:20,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:20 WrapperNode [2024-12-05 23:45:20,275 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:45:20,276 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:45:20,276 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:45:20,276 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:45:20,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:20" (1/1) ... [2024-12-05 23:45:20,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:20" (1/1) ... [2024-12-05 23:45:20,300 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2024-12-05 23:45:20,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:45:20,300 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:45:20,300 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:45:20,300 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:45:20,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:20" (1/1) ... [2024-12-05 23:45:20,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:20" (1/1) ... [2024-12-05 23:45:20,307 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:20" (1/1) ... [2024-12-05 23:45:20,307 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:20" (1/1) ... [2024-12-05 23:45:20,309 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:20" (1/1) ... [2024-12-05 23:45:20,310 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:20" (1/1) ... [2024-12-05 23:45:20,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:20" (1/1) ... [2024-12-05 23:45:20,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:20" (1/1) ... [2024-12-05 23:45:20,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:20" (1/1) ... [2024-12-05 23:45:20,316 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:45:20,317 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:45:20,317 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:45:20,317 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:45:20,318 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:20" (1/1) ... [2024-12-05 23:45:20,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:45:20,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d676acec-f456-4d38-88c9-3f34b9e28e05/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:45:20,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d676acec-f456-4d38-88c9-3f34b9e28e05/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:45:20,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d676acec-f456-4d38-88c9-3f34b9e28e05/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:45:20,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:45:20,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:45:20,433 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:45:20,434 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:45:20,527 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-05 23:45:20,527 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:45:20,549 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:45:20,549 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:45:20,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:45:20 BoogieIcfgContainer [2024-12-05 23:45:20,549 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:45:20,550 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:45:20,550 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:45:20,559 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:45:20,559 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:45:20" (1/1) ... [2024-12-05 23:45:20,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:45:20,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:45:20,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2024-12-05 23:45:20,614 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-12-05 23:45:20,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:45:20,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:45:20,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:45:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:45:20,749 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 23:45:20,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:45:20,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-12-05 23:45:20,822 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-12-05 23:45:20,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:45:20,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:45:20,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:45:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:45:20,867 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 23:45:21,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:45:21,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 52 transitions. [2024-12-05 23:45:21,005 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2024-12-05 23:45:21,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:45:21,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:45:21,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:45:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:45:21,036 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 23:45:21,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:45:21,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2024-12-05 23:45:21,056 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2024-12-05 23:45:21,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:45:21,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:45:21,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:45:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:45:21,065 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:45:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:45:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:45:21,091 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:45:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:45:21,100 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-12-05 23:45:21,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:45:21 ImpRootNode [2024-12-05 23:45:21,116 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:45:21,116 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:45:21,116 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:45:21,117 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:45:21,117 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:45:20" (3/4) ... [2024-12-05 23:45:21,118 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 23:45:21,146 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 4. [2024-12-05 23:45:21,177 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d676acec-f456-4d38-88c9-3f34b9e28e05/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:45:21,177 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d676acec-f456-4d38-88c9-3f34b9e28e05/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:45:21,177 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:45:21,178 INFO L158 Benchmark]: Toolchain (without parser) took 1073.30ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 60.4MB in the end (delta: 56.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-05 23:45:21,178 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:45:21,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 169.65ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 106.3MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:45:21,179 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.87ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.3MB in the end (delta: 992.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:45:21,179 INFO L158 Benchmark]: Boogie Preprocessor took 15.65ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.7MB in the end (delta: 637.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:45:21,179 INFO L158 Benchmark]: RCFGBuilder took 232.74ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 92.8MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:45:21,179 INFO L158 Benchmark]: CodeCheck took 565.95ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 64.5MB in the end (delta: 28.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 23:45:21,180 INFO L158 Benchmark]: Witness Printer took 60.80ms. Allocated memory is still 142.6MB. Free memory was 64.5MB in the beginning and 60.4MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:45:21,182 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, 23 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 139 IncrementalHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 14 mSDtfsCounter, 139 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 135 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: [L14] int i, j, an, bn; [L15] i = __VERIFIER_nondet_int() [L16] j = __VERIFIER_nondet_int() [L17] an = __VERIFIER_nondet_int() [L18] bn = __VERIFIER_nondet_int() [L19] COND TRUE (an >= i && bn >= j) || (an >= i && bn <= j) || (an <= i && bn >= j) VAL [an=2147483647, bn=0, i=2147483647, j=1] [L20] COND FALSE !(an >= i && bn >= j) VAL [an=2147483647, bn=0, i=2147483647, j=1] [L26] COND TRUE an >= i && bn <= j VAL [an=2147483647, bn=0, i=2147483647, j=1] [L27] i + 1 VAL [an=2147483647, bn=0, j=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 169.65ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 106.3MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.87ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.3MB in the end (delta: 992.4kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.65ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.7MB in the end (delta: 637.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 232.74ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 92.8MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 565.95ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 64.5MB in the end (delta: 28.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 60.80ms. Allocated memory is still 142.6MB. Free memory was 64.5MB in the beginning and 60.4MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 23:45:21,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d676acec-f456-4d38-88c9-3f34b9e28e05/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)