./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loops/terminator_03-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e907fe-5d9a-4886-aaf6-3c19967ed733/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e907fe-5d9a-4886-aaf6-3c19967ed733/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_f0e907fe-5d9a-4886-aaf6-3c19967ed733/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e907fe-5d9a-4886-aaf6-3c19967ed733/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/terminator_03-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e907fe-5d9a-4886-aaf6-3c19967ed733/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e907fe-5d9a-4886-aaf6-3c19967ed733/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 32bit --witnessprinter.graph.data.programhash c6195aac4ed5fd870d8a0e9d86ce21873e1b6b73a142bab52cc3ba137a2f556f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:07:22,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:07:22,308 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e907fe-5d9a-4886-aaf6-3c19967ed733/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:07:22,315 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:07:22,316 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:07:22,348 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:07:22,349 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:07:22,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:07:22,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:07:22,358 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:07:22,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:07:22,360 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:07:22,361 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:07:22,363 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:07:22,364 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:07:22,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:07:22,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:07:22,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:07:22,368 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:07:22,368 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:07:22,369 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:07:22,370 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:07:22,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:07:22,371 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:07:22,372 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:07:22,373 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:07:22,373 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:07:22,374 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:07:22,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:22,375 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:07:22,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:07:22,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:07:22,377 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:07:22,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:07:22,380 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:07:22,380 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_f0e907fe-5d9a-4886-aaf6-3c19967ed733/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e907fe-5d9a-4886-aaf6-3c19967ed733/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6195aac4ed5fd870d8a0e9d86ce21873e1b6b73a142bab52cc3ba137a2f556f [2023-11-23 20:07:22,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:07:22,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:07:22,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:07:22,810 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:07:22,811 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:07:22,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e907fe-5d9a-4886-aaf6-3c19967ed733/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/loops/terminator_03-1.c [2023-11-23 20:07:26,419 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:07:26,670 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:07:26,671 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e907fe-5d9a-4886-aaf6-3c19967ed733/sv-benchmarks/c/loops/terminator_03-1.c [2023-11-23 20:07:26,680 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e907fe-5d9a-4886-aaf6-3c19967ed733/bin/ukojak-verify-1t5iHCbJaC/data/5dba1e7b1/ca3adc8cf3424eca8a3b409364dd0252/FLAGed3e3e39f [2023-11-23 20:07:26,700 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e907fe-5d9a-4886-aaf6-3c19967ed733/bin/ukojak-verify-1t5iHCbJaC/data/5dba1e7b1/ca3adc8cf3424eca8a3b409364dd0252 [2023-11-23 20:07:26,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:07:26,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:07:26,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:26,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:07:26,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:07:26,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:26,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32648ee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:26, skipping insertion in model container [2023-11-23 20:07:26,719 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:26,745 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:07:26,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:26,941 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:07:26,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:26,973 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:07:26,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:26 WrapperNode [2023-11-23 20:07:26,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:26,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:26,976 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:07:26,976 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:07:26,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:26,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:27,022 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 35 [2023-11-23 20:07:27,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:27,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:07:27,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:07:27,027 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:07:27,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:27,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:27,050 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:27,050 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:27,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:27,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:27,070 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:27,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:27,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:07:27,084 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:07:27,084 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:07:27,084 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:07:27,085 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:27,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:27,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e907fe-5d9a-4886-aaf6-3c19967ed733/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:07:27,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e907fe-5d9a-4886-aaf6-3c19967ed733/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:07:27,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e907fe-5d9a-4886-aaf6-3c19967ed733/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:07:27,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:07:27,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:07:27,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:07:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:07:27,232 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:07:27,235 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:07:27,369 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:07:27,434 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:07:27,434 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:07:27,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:27 BoogieIcfgContainer [2023-11-23 20:07:27,442 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:07:27,443 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:07:27,443 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:07:27,453 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:07:27,453 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:27" (1/1) ... [2023-11-23 20:07:27,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:07:27,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:27,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2023-11-23 20:07:27,530 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2023-11-23 20:07:27,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:07:27,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:27,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:27,878 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 20:07:27,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:27,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2023-11-23 20:07:27,978 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2023-11-23 20:07:27,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:07:27,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:27,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:07:28,008 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:07:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:07:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:07:28,117 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:07:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:07:28,142 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-23 20:07:28,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:07:28 ImpRootNode [2023-11-23 20:07:28,179 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:07:28,181 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:07:28,182 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:07:28,182 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:07:28,183 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:27" (3/4) ... [2023-11-23 20:07:28,187 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:07:28,256 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e907fe-5d9a-4886-aaf6-3c19967ed733/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:07:28,257 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:07:28,260 INFO L158 Benchmark]: Toolchain (without parser) took 1551.48ms. Allocated memory is still 209.7MB. Free memory was 167.6MB in the beginning and 125.0MB in the end (delta: 42.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-23 20:07:28,260 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 104.9MB. Free memory was 71.1MB in the beginning and 71.1MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:07:28,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.34ms. Allocated memory is still 209.7MB. Free memory was 167.6MB in the beginning and 157.7MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:07:28,262 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.62ms. Allocated memory is still 209.7MB. Free memory was 157.7MB in the beginning and 156.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:07:28,263 INFO L158 Benchmark]: Boogie Preprocessor took 57.63ms. Allocated memory is still 209.7MB. Free memory was 156.4MB in the beginning and 155.7MB in the end (delta: 752.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:07:28,267 INFO L158 Benchmark]: RCFGBuilder took 358.52ms. Allocated memory is still 209.7MB. Free memory was 155.0MB in the beginning and 143.9MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:07:28,268 INFO L158 Benchmark]: CodeCheck took 736.75ms. Allocated memory is still 209.7MB. Free memory was 143.9MB in the beginning and 126.4MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:07:28,270 INFO L158 Benchmark]: Witness Printer took 76.38ms. Allocated memory is still 209.7MB. Free memory was 126.4MB in the beginning and 125.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:07:28,278 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, 9 locations, 2 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, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 4 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 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: 22]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int x=__VERIFIER_nondet_int(); [L16] int y=__VERIFIER_nondet_int(); [L18] COND TRUE y>0 VAL [x=99, y=2147483549] [L20] COND TRUE x<100 VAL [x=99, y=2147483549] [L22] x+y VAL [x=99, y=2147483549] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 104.9MB. Free memory was 71.1MB in the beginning and 71.1MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.34ms. Allocated memory is still 209.7MB. Free memory was 167.6MB in the beginning and 157.7MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.62ms. Allocated memory is still 209.7MB. Free memory was 157.7MB in the beginning and 156.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.63ms. Allocated memory is still 209.7MB. Free memory was 156.4MB in the beginning and 155.7MB in the end (delta: 752.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 358.52ms. Allocated memory is still 209.7MB. Free memory was 155.0MB in the beginning and 143.9MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 736.75ms. Allocated memory is still 209.7MB. Free memory was 143.9MB in the beginning and 126.4MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 76.38ms. Allocated memory is still 209.7MB. Free memory was 126.4MB in the beginning and 125.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 20:07:28,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e907fe-5d9a-4886-aaf6-3c19967ed733/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)