./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Ben-Amram-2010LMCS-Ex2.3-alloca.i --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_250c5f5a-aa82-4c4c-89b9-0b093b521f92/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c5f5a-aa82-4c4c-89b9-0b093b521f92/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_250c5f5a-aa82-4c4c-89b9-0b093b521f92/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c5f5a-aa82-4c4c-89b9-0b093b521f92/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Ben-Amram-2010LMCS-Ex2.3-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c5f5a-aa82-4c4c-89b9-0b093b521f92/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_250c5f5a-aa82-4c4c-89b9-0b093b521f92/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 07b282ace126e2e6034cb3e18e52d69833dcd5d95d5a3123bfc5247b81ecd1aa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:26:50,912 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:26:50,968 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c5f5a-aa82-4c4c-89b9-0b093b521f92/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 23:26:50,972 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:26:50,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:26:50,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:26:50,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:26:50,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:26:50,993 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:26:50,993 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:26:50,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:26:50,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:26:50,994 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:26:50,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:26:50,994 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:26:50,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:26:50,994 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:26:50,994 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:26:50,994 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:26:50,994 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:26:50,994 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:26:50,994 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:26:50,994 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:26:50,995 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:26:50,995 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:26:50,995 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:26:50,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:26:50,995 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:26:50,995 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:26:50,995 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:26:50,995 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:26:50,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:26:50,995 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_250c5f5a-aa82-4c4c-89b9-0b093b521f92/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 -> 07b282ace126e2e6034cb3e18e52d69833dcd5d95d5a3123bfc5247b81ecd1aa [2024-12-05 23:26:51,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:26:51,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:26:51,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:26:51,254 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:26:51,254 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:26:51,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c5f5a-aa82-4c4c-89b9-0b093b521f92/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-memory-alloca/Ben-Amram-2010LMCS-Ex2.3-alloca.i [2024-12-05 23:26:53,907 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c5f5a-aa82-4c4c-89b9-0b093b521f92/bin/ukojak-verify-CZk0znPC7b/data/8ea3ae4c4/e1827716247c4c998b41b70cd10dfd62/FLAG422f460f9 [2024-12-05 23:26:54,135 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:26:54,136 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c5f5a-aa82-4c4c-89b9-0b093b521f92/sv-benchmarks/c/termination-memory-alloca/Ben-Amram-2010LMCS-Ex2.3-alloca.i [2024-12-05 23:26:54,144 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c5f5a-aa82-4c4c-89b9-0b093b521f92/bin/ukojak-verify-CZk0znPC7b/data/8ea3ae4c4/e1827716247c4c998b41b70cd10dfd62/FLAG422f460f9 [2024-12-05 23:26:54,483 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c5f5a-aa82-4c4c-89b9-0b093b521f92/bin/ukojak-verify-CZk0znPC7b/data/8ea3ae4c4/e1827716247c4c998b41b70cd10dfd62 [2024-12-05 23:26:54,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:26:54,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:26:54,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:26:54,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:26:54,491 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:26:54,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:26:54" (1/1) ... [2024-12-05 23:26:54,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411c8257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:54, skipping insertion in model container [2024-12-05 23:26:54,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:26:54" (1/1) ... [2024-12-05 23:26:54,517 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:26:54,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:26:54,734 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:26:54,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:26:54,782 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:26:54,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:54 WrapperNode [2024-12-05 23:26:54,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:26:54,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:26:54,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:26:54,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:26:54,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:54" (1/1) ... [2024-12-05 23:26:54,798 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:54" (1/1) ... [2024-12-05 23:26:54,815 INFO L138 Inliner]: procedures = 110, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 91 [2024-12-05 23:26:54,815 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:26:54,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:26:54,815 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:26:54,816 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:26:54,822 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:54" (1/1) ... [2024-12-05 23:26:54,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:54" (1/1) ... [2024-12-05 23:26:54,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:54" (1/1) ... [2024-12-05 23:26:54,824 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:54" (1/1) ... [2024-12-05 23:26:54,827 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:54" (1/1) ... [2024-12-05 23:26:54,828 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:54" (1/1) ... [2024-12-05 23:26:54,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:54" (1/1) ... [2024-12-05 23:26:54,831 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:54" (1/1) ... [2024-12-05 23:26:54,831 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:54" (1/1) ... [2024-12-05 23:26:54,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:26:54,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:26:54,833 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:26:54,833 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:26:54,834 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:54" (1/1) ... [2024-12-05 23:26:54,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:26:54,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c5f5a-aa82-4c4c-89b9-0b093b521f92/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:26:54,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c5f5a-aa82-4c4c-89b9-0b093b521f92/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:26:54,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c5f5a-aa82-4c4c-89b9-0b093b521f92/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:26:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 23:26:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 23:26:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 23:26:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 23:26:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:26:54,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:26:54,960 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:26:54,961 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:26:55,086 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-12-05 23:26:55,086 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:26:55,132 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:26:55,132 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:26:55,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:26:55 BoogieIcfgContainer [2024-12-05 23:26:55,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:26:55,133 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:26:55,133 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:26:55,143 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:26:55,143 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:26:55" (1/1) ... [2024-12-05 23:26:55,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:26:55,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:26:55,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2024-12-05 23:26:55,197 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-12-05 23:26:55,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:26:55,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:26:55,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:26:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:26:55,621 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 23:26:55,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:26:55,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2024-12-05 23:26:55,700 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2024-12-05 23:26:55,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:26:55,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:26:55,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:26:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:26:55,731 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:26:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:26:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:26:55,808 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:26:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:26:55,833 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-05 23:26:55,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:26:55 ImpRootNode [2024-12-05 23:26:55,854 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:26:55,855 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:26:55,855 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:26:55,855 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:26:55,856 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:26:55" (3/4) ... [2024-12-05 23:26:55,857 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 23:26:55,888 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 3. [2024-12-05 23:26:55,926 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c5f5a-aa82-4c4c-89b9-0b093b521f92/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:26:55,926 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c5f5a-aa82-4c4c-89b9-0b093b521f92/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:26:55,926 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:26:55,927 INFO L158 Benchmark]: Toolchain (without parser) took 1440.75ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 93.1MB in the end (delta: 23.4MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-12-05 23:26:55,927 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:26:55,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.66ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 100.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:26:55,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.37ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 98.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:26:55,928 INFO L158 Benchmark]: Boogie Preprocessor took 17.01ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 97.8MB in the end (delta: 809.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:26:55,928 INFO L158 Benchmark]: RCFGBuilder took 299.70ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 82.3MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:26:55,929 INFO L158 Benchmark]: CodeCheck took 721.03ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 97.3MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:26:55,929 INFO L158 Benchmark]: Witness Printer took 71.39ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 93.1MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:26:55,930 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, 18 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 1 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 2 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 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: 558]: integer overflow possible integer overflow possible We found a FailurePath: [L548] int *x = __builtin_alloca (sizeof(int)); [L549] int *y = __builtin_alloca (sizeof(int)); [L550] int *z = __builtin_alloca (sizeof(int)); [L551] *x = __VERIFIER_nondet_int() [L552] *y = __VERIFIER_nondet_int() [L553] *z = __VERIFIER_nondet_int() [L554] EXPR \read(*x) [L554] EXPR *x > 0 && *y > 0 [L554] EXPR \read(*y) [L554] EXPR *x > 0 && *y > 0 [L554] *x > 0 && *y > 0 && *z > 0 [L554] EXPR \read(*z) [L554] *x > 0 && *y > 0 && *z > 0 VAL [x={8943:0}, y={8942:0}, z={8944:0}] [L554] COND TRUE *x > 0 && *y > 0 && *z > 0 [L555] EXPR \read(*y) [L555] EXPR \read(*x) VAL [x={8943:0}, y={8942:0}, z={8944:0}] [L555] COND TRUE *y > *x [L556] EXPR \read(*z) [L556] *y = *z [L557] *x = __VERIFIER_nondet_int() [L558] EXPR \read(*x) VAL [x={8943:0}, y={8942:0}, z={8944:0}] [L558] *x - 1 VAL [x={8943:0}, y={8942:0}, z={8944:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.66ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 100.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.37ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 98.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.01ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 97.8MB in the end (delta: 809.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 299.70ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 82.3MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 721.03ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 97.3MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 71.39ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 93.1MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 23:26:55,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c5f5a-aa82-4c4c-89b9-0b093b521f92/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)