./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.02.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_7e89b2f4-988e-4b58-b45b-160cdf805e03/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e89b2f4-988e-4b58-b45b-160cdf805e03/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e89b2f4-988e-4b58-b45b-160cdf805e03/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e89b2f4-988e-4b58-b45b-160cdf805e03/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e89b2f4-988e-4b58-b45b-160cdf805e03/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e89b2f4-988e-4b58-b45b-160cdf805e03/bin/ukojak-verify-1t5iHCbJaC --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 43e26261fa299155de483ad3e230b641cae860836e90d213ae2b5fa81bda567d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:08:10,057 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:08:10,184 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e89b2f4-988e-4b58-b45b-160cdf805e03/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:08:10,192 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:08:10,193 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:08:10,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:08:10,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:08:10,236 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:08:10,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:08:10,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:08:10,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:08:10,244 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:08:10,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:08:10,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:08:10,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:08:10,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:08:10,248 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:08:10,249 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:08:10,249 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:08:10,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:08:10,250 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:08:10,250 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:08:10,251 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:08:10,252 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:08:10,253 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:08:10,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:10,254 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:08:10,254 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:08:10,255 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:08:10,255 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:08:10,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:08:10,257 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:08:10,257 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_7e89b2f4-988e-4b58-b45b-160cdf805e03/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e89b2f4-988e-4b58-b45b-160cdf805e03/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43e26261fa299155de483ad3e230b641cae860836e90d213ae2b5fa81bda567d [2023-11-23 20:08:10,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:08:10,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:08:10,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:08:10,626 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:08:10,626 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:08:10,628 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e89b2f4-988e-4b58-b45b-160cdf805e03/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.02.c [2023-11-23 20:08:13,798 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:08:14,019 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:08:14,020 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e89b2f4-988e-4b58-b45b-160cdf805e03/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.02.c [2023-11-23 20:08:14,028 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e89b2f4-988e-4b58-b45b-160cdf805e03/bin/ukojak-verify-1t5iHCbJaC/data/d6fd56746/f7bdd32895664cf39cadaa8c3967c6bf/FLAGe354e1f09 [2023-11-23 20:08:14,047 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e89b2f4-988e-4b58-b45b-160cdf805e03/bin/ukojak-verify-1t5iHCbJaC/data/d6fd56746/f7bdd32895664cf39cadaa8c3967c6bf [2023-11-23 20:08:14,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:08:14,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:08:14,059 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:08:14,059 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:08:14,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:08:14,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:08:14" (1/1) ... [2023-11-23 20:08:14,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c906df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:14, skipping insertion in model container [2023-11-23 20:08:14,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:08:14" (1/1) ... [2023-11-23 20:08:14,092 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:08:14,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:08:14,246 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:08:14,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:08:14,269 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:08:14,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:14 WrapperNode [2023-11-23 20:08:14,269 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:08:14,270 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:08:14,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:08:14,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:08:14,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:14" (1/1) ... [2023-11-23 20:08:14,283 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:14" (1/1) ... [2023-11-23 20:08:14,299 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2023-11-23 20:08:14,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:08:14,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:08:14,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:08:14,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:08:14,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:14" (1/1) ... [2023-11-23 20:08:14,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:14" (1/1) ... [2023-11-23 20:08:14,312 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:14" (1/1) ... [2023-11-23 20:08:14,312 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:14" (1/1) ... [2023-11-23 20:08:14,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:14" (1/1) ... [2023-11-23 20:08:14,318 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:14" (1/1) ... [2023-11-23 20:08:14,319 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:14" (1/1) ... [2023-11-23 20:08:14,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:14" (1/1) ... [2023-11-23 20:08:14,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:08:14,323 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:08:14,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:08:14,324 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:08:14,331 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:14" (1/1) ... [2023-11-23 20:08:14,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:14,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e89b2f4-988e-4b58-b45b-160cdf805e03/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:08:14,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e89b2f4-988e-4b58-b45b-160cdf805e03/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:08:14,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e89b2f4-988e-4b58-b45b-160cdf805e03/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:08:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:08:14,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:08:14,525 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:08:14,527 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:08:14,608 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:08:14,658 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:08:14,662 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:08:14,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:14 BoogieIcfgContainer [2023-11-23 20:08:14,665 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:08:14,666 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:08:14,667 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:08:14,679 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:08:14,679 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:14" (1/1) ... [2023-11-23 20:08:14,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:08:14,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:14,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-23 20:08:14,756 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-23 20:08:14,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:08:14,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:14,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:14,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:14,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:14,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2023-11-23 20:08:14,997 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2023-11-23 20:08:14,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:08:14,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:14,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:08:15,009 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:08:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:08:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:08:15,046 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:08:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:08:15,056 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-23 20:08:15,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:08:15 ImpRootNode [2023-11-23 20:08:15,082 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:08:15,083 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:08:15,083 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:08:15,083 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:08:15,084 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:14" (3/4) ... [2023-11-23 20:08:15,085 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:08:15,136 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e89b2f4-988e-4b58-b45b-160cdf805e03/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:08:15,138 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:08:15,140 INFO L158 Benchmark]: Toolchain (without parser) took 1084.90ms. Allocated memory is still 119.5MB. Free memory was 76.2MB in the beginning and 72.7MB in the end (delta: 3.5MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2023-11-23 20:08:15,143 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 90.2MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:08:15,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.56ms. Allocated memory is still 119.5MB. Free memory was 75.9MB in the beginning and 66.6MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:08:15,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.60ms. Allocated memory is still 119.5MB. Free memory was 66.6MB in the beginning and 65.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:08:15,145 INFO L158 Benchmark]: Boogie Preprocessor took 21.51ms. Allocated memory is still 119.5MB. Free memory was 65.2MB in the beginning and 64.2MB in the end (delta: 939.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:08:15,148 INFO L158 Benchmark]: RCFGBuilder took 342.27ms. Allocated memory is still 119.5MB. Free memory was 64.1MB in the beginning and 90.4MB in the end (delta: -26.3MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2023-11-23 20:08:15,149 INFO L158 Benchmark]: CodeCheck took 416.37ms. Allocated memory is still 119.5MB. Free memory was 90.4MB in the beginning and 74.4MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:08:15,151 INFO L158 Benchmark]: Witness Printer took 55.96ms. Allocated memory is still 119.5MB. Free memory was 74.4MB in the beginning and 72.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:08:15,157 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, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 2 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 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: 28]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y, z; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] z = __VERIFIER_nondet_int() [L27] COND TRUE x > 0 VAL [x=2147483647, y=1, z=0] [L28] x + y VAL [x=2147483647, y=1, z=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 90.2MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.56ms. Allocated memory is still 119.5MB. Free memory was 75.9MB in the beginning and 66.6MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.60ms. Allocated memory is still 119.5MB. Free memory was 66.6MB in the beginning and 65.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.51ms. Allocated memory is still 119.5MB. Free memory was 65.2MB in the beginning and 64.2MB in the end (delta: 939.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 342.27ms. Allocated memory is still 119.5MB. Free memory was 64.1MB in the beginning and 90.4MB in the end (delta: -26.3MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * CodeCheck took 416.37ms. Allocated memory is still 119.5MB. Free memory was 90.4MB in the beginning and 74.4MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 55.96ms. Allocated memory is still 119.5MB. Free memory was 74.4MB in the beginning and 72.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 20:08:15,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e89b2f4-988e-4b58-b45b-160cdf805e03/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)