./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4f3fca-8869-4481-a857-419351c7b73b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4f3fca-8869-4481-a857-419351c7b73b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4f3fca-8869-4481-a857-419351c7b73b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4f3fca-8869-4481-a857-419351c7b73b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4f3fca-8869-4481-a857-419351c7b73b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4f3fca-8869-4481-a857-419351c7b73b/bin/ukojak-verify-ImItNfHLgk --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 8e3da8e136e857b97cdbe06990b92cea6643ce21aabb77dab8b279b5edf1dc64 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:25:25,207 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:25:25,294 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4f3fca-8869-4481-a857-419351c7b73b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:25:25,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:25:25,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:25:25,337 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:25:25,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:25:25,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:25:25,341 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:25:25,342 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:25:25,343 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:25:25,343 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:25:25,344 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:25:25,344 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:25:25,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:25:25,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:25:25,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:25:25,346 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:25:25,346 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:25:25,346 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:25:25,347 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:25:25,353 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:25:25,353 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:25:25,354 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:25:25,354 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:25:25,354 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:25:25,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:25:25,355 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:25:25,355 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:25:25,355 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:25:25,356 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:25:25,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:25:25,358 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4f3fca-8869-4481-a857-419351c7b73b/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4f3fca-8869-4481-a857-419351c7b73b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e3da8e136e857b97cdbe06990b92cea6643ce21aabb77dab8b279b5edf1dc64 [2024-11-08 22:25:25,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:25:25,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:25:25,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:25:25,696 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:25:25,697 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:25:25,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4f3fca-8869-4481-a857-419351c7b73b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron2.c Unable to find full path for "g++" [2024-11-08 22:25:27,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:25:27,994 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:25:27,996 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4f3fca-8869-4481-a857-419351c7b73b/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron2.c [2024-11-08 22:25:28,005 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4f3fca-8869-4481-a857-419351c7b73b/bin/ukojak-verify-ImItNfHLgk/data/ee8730691/2f7f5bf04cc64778b1dded1e3d0de0b1/FLAGf9c036915 [2024-11-08 22:25:28,032 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4f3fca-8869-4481-a857-419351c7b73b/bin/ukojak-verify-ImItNfHLgk/data/ee8730691/2f7f5bf04cc64778b1dded1e3d0de0b1 [2024-11-08 22:25:28,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:25:28,038 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:25:28,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:25:28,042 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:25:28,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:25:28,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:25:28" (1/1) ... [2024-11-08 22:25:28,050 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b2a2d30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:28, skipping insertion in model container [2024-11-08 22:25:28,053 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:25:28" (1/1) ... [2024-11-08 22:25:28,075 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:25:28,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:25:28,299 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:25:28,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:25:28,333 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:25:28,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:28 WrapperNode [2024-11-08 22:25:28,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:25:28,336 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:25:28,336 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:25:28,336 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:25:28,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:28" (1/1) ... [2024-11-08 22:25:28,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:28" (1/1) ... [2024-11-08 22:25:28,370 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2024-11-08 22:25:28,371 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:25:28,371 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:25:28,372 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:25:28,372 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:25:28,382 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:28" (1/1) ... [2024-11-08 22:25:28,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:28" (1/1) ... [2024-11-08 22:25:28,383 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:28" (1/1) ... [2024-11-08 22:25:28,384 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:28" (1/1) ... [2024-11-08 22:25:28,386 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:28" (1/1) ... [2024-11-08 22:25:28,393 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:28" (1/1) ... [2024-11-08 22:25:28,393 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:28" (1/1) ... [2024-11-08 22:25:28,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:28" (1/1) ... [2024-11-08 22:25:28,396 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:25:28,397 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:25:28,397 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:25:28,397 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:25:28,398 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:28" (1/1) ... [2024-11-08 22:25:28,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:25:28,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4f3fca-8869-4481-a857-419351c7b73b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:25:28,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4f3fca-8869-4481-a857-419351c7b73b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:25:28,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4f3fca-8869-4481-a857-419351c7b73b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:25:28,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:25:28,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:25:28,529 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:25:28,531 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:25:28,671 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 22:25:28,671 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:25:28,693 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:25:28,694 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:25:28,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:25:28 BoogieIcfgContainer [2024-11-08 22:25:28,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:25:28,696 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:25:28,696 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:25:28,708 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:25:28,708 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:25:28" (1/1) ... [2024-11-08 22:25:28,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:25:28,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:28,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2024-11-08 22:25:28,778 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-11-08 22:25:28,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:25:28,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:28,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:25:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:28,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:25:29,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:29,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2024-11-08 22:25:29,063 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2024-11-08 22:25:29,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:25:29,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:29,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:25:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:25:29,106 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:25:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:25:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:25:29,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:25:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:25:29,181 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 22:25:29,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:25:29 ImpRootNode [2024-11-08 22:25:29,210 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:25:29,212 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:25:29,212 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:25:29,212 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:25:29,213 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:25:28" (3/4) ... [2024-11-08 22:25:29,214 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 22:25:29,264 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4f3fca-8869-4481-a857-419351c7b73b/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:25:29,264 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:25:29,265 INFO L158 Benchmark]: Toolchain (without parser) took 1226.61ms. Allocated memory was 140.5MB in the beginning and 203.4MB in the end (delta: 62.9MB). Free memory was 101.6MB in the beginning and 171.7MB in the end (delta: -70.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:25:29,267 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 100.7MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:25:29,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.88ms. Allocated memory is still 140.5MB. Free memory was 101.3MB in the beginning and 89.7MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:25:29,269 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.33ms. Allocated memory is still 140.5MB. Free memory was 89.7MB in the beginning and 88.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:25:29,270 INFO L158 Benchmark]: Boogie Preprocessor took 24.29ms. Allocated memory is still 140.5MB. Free memory was 88.3MB in the beginning and 87.6MB in the end (delta: 757.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:25:29,270 INFO L158 Benchmark]: RCFGBuilder took 298.37ms. Allocated memory is still 140.5MB. Free memory was 87.6MB in the beginning and 76.8MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:25:29,271 INFO L158 Benchmark]: CodeCheck took 514.74ms. Allocated memory was 140.5MB in the beginning and 203.4MB in the end (delta: 62.9MB). Free memory was 76.8MB in the beginning and 173.7MB in the end (delta: -96.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:25:29,275 INFO L158 Benchmark]: Witness Printer took 52.79ms. Allocated memory is still 203.4MB. Free memory was 173.7MB in the beginning and 171.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:25:29,282 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 22 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 4 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 37 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, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 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 - CounterExampleResult [Line: 17]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int tx = __VERIFIER_nondet_int(); [L13] int x = __VERIFIER_nondet_int(); [L14] int y = __VERIFIER_nondet_int(); [L15] COND FALSE !(x >= y && tx >= 0) VAL [tx=0, x=-2147483648, y=-2147483648] [L15] COND TRUE x >= y && tx >= 0 [L16] COND TRUE __VERIFIER_nondet_int() [L17] x - 1 VAL [tx=0, y=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 100.7MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.88ms. Allocated memory is still 140.5MB. Free memory was 101.3MB in the beginning and 89.7MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.33ms. Allocated memory is still 140.5MB. Free memory was 89.7MB in the beginning and 88.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.29ms. Allocated memory is still 140.5MB. Free memory was 88.3MB in the beginning and 87.6MB in the end (delta: 757.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 298.37ms. Allocated memory is still 140.5MB. Free memory was 87.6MB in the beginning and 76.8MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 514.74ms. Allocated memory was 140.5MB in the beginning and 203.4MB in the end (delta: 62.9MB). Free memory was 76.8MB in the beginning and 173.7MB in the end (delta: -96.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 52.79ms. Allocated memory is still 203.4MB. Free memory was 173.7MB in the beginning and 171.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 22:25:29,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4f3fca-8869-4481-a857-419351c7b73b/bin/ukojak-verify-ImItNfHLgk/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)