./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/4NestedWith3Variables-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_29a2ac93-a67f-4f76-9877-336c2cd68e98/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a2ac93-a67f-4f76-9877-336c2cd68e98/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a2ac93-a67f-4f76-9877-336c2cd68e98/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a2ac93-a67f-4f76-9877-336c2cd68e98/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/4NestedWith3Variables-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a2ac93-a67f-4f76-9877-336c2cd68e98/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a2ac93-a67f-4f76-9877-336c2cd68e98/bin/ukojak-verify-G8NBE6pJGL --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 00dbddfd810f9b61b1b1d296f435e1bc1adadb2147b1eeea2a59c500f3412109 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:14:34,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:14:34,091 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a2ac93-a67f-4f76-9877-336c2cd68e98/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:14:34,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:14:34,097 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:14:34,123 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:14:34,124 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:14:34,124 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:14:34,125 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:14:34,126 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:14:34,127 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:14:34,127 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:14:34,128 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:14:34,128 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:14:34,129 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:14:34,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:14:34,130 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:14:34,131 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:14:34,131 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:14:34,133 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:14:34,133 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:14:34,134 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:14:34,134 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:14:34,135 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:14:34,135 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:14:34,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:14:34,136 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:14:34,137 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:14:34,137 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:14:34,137 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:14:34,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:14:34,138 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:14:34,139 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_29a2ac93-a67f-4f76-9877-336c2cd68e98/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a2ac93-a67f-4f76-9877-336c2cd68e98/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00dbddfd810f9b61b1b1d296f435e1bc1adadb2147b1eeea2a59c500f3412109 [2023-11-19 03:14:34,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:14:34,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:14:34,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:14:34,470 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:14:34,471 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:14:34,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a2ac93-a67f-4f76-9877-336c2cd68e98/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-crafted/4NestedWith3Variables-2.c [2023-11-19 03:14:37,478 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:14:37,734 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:14:37,735 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a2ac93-a67f-4f76-9877-336c2cd68e98/sv-benchmarks/c/termination-crafted/4NestedWith3Variables-2.c [2023-11-19 03:14:37,746 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a2ac93-a67f-4f76-9877-336c2cd68e98/bin/ukojak-verify-G8NBE6pJGL/data/774b2be46/2744d26ba185499ab963382b990cc2eb/FLAG0d1942e5c [2023-11-19 03:14:38,086 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a2ac93-a67f-4f76-9877-336c2cd68e98/bin/ukojak-verify-G8NBE6pJGL/data/774b2be46/2744d26ba185499ab963382b990cc2eb [2023-11-19 03:14:38,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:14:38,090 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:14:38,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:14:38,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:14:38,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:14:38,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:14:38" (1/1) ... [2023-11-19 03:14:38,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21f6ce60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:38, skipping insertion in model container [2023-11-19 03:14:38,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:14:38" (1/1) ... [2023-11-19 03:14:38,118 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:14:38,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:38,282 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:14:38,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:38,309 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:14:38,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:38 WrapperNode [2023-11-19 03:14:38,309 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:14:38,310 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:14:38,311 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:14:38,311 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:14:38,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:38" (1/1) ... [2023-11-19 03:14:38,322 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:38" (1/1) ... [2023-11-19 03:14:38,340 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2023-11-19 03:14:38,340 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:14:38,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:14:38,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:14:38,341 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:14:38,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:38" (1/1) ... [2023-11-19 03:14:38,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:38" (1/1) ... [2023-11-19 03:14:38,351 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:38" (1/1) ... [2023-11-19 03:14:38,351 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:38" (1/1) ... [2023-11-19 03:14:38,353 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:38" (1/1) ... [2023-11-19 03:14:38,357 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:38" (1/1) ... [2023-11-19 03:14:38,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:38" (1/1) ... [2023-11-19 03:14:38,358 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:38" (1/1) ... [2023-11-19 03:14:38,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:14:38,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:14:38,361 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:14:38,361 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:14:38,362 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:38" (1/1) ... [2023-11-19 03:14:38,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:14:38,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a2ac93-a67f-4f76-9877-336c2cd68e98/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:14:38,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a2ac93-a67f-4f76-9877-336c2cd68e98/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:14:38,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a2ac93-a67f-4f76-9877-336c2cd68e98/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:14:38,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:14:38,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:14:38,547 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:14:38,549 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:14:38,776 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:14:38,797 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:14:38,797 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:14:38,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:38 BoogieIcfgContainer [2023-11-19 03:14:38,802 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:14:38,803 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:14:38,803 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:14:38,813 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:14:38,813 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:38" (1/1) ... [2023-11-19 03:14:38,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:14:38,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:38,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2023-11-19 03:14:38,878 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2023-11-19 03:14:38,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:14:38,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:38,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:39,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:39,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:39,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 37 states and 40 transitions. [2023-11-19 03:14:39,093 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2023-11-19 03:14:39,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:14:39,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:39,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:14:39,105 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:14:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:14:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:14:39,136 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:14:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:14:39,145 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:14:39,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:14:39 ImpRootNode [2023-11-19 03:14:39,167 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:14:39,167 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:14:39,167 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:14:39,168 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:14:39,168 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:38" (3/4) ... [2023-11-19 03:14:39,169 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:14:39,205 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a2ac93-a67f-4f76-9877-336c2cd68e98/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:14:39,205 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:14:39,206 INFO L158 Benchmark]: Toolchain (without parser) took 1115.48ms. Allocated memory is still 155.2MB. Free memory was 119.9MB in the beginning and 78.8MB in the end (delta: 41.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-19 03:14:39,207 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 155.2MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:14:39,207 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.96ms. Allocated memory is still 155.2MB. Free memory was 119.9MB in the beginning and 110.3MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 03:14:39,208 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.58ms. Allocated memory is still 155.2MB. Free memory was 110.3MB in the beginning and 108.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:14:39,209 INFO L158 Benchmark]: Boogie Preprocessor took 19.27ms. Allocated memory is still 155.2MB. Free memory was 108.5MB in the beginning and 107.8MB in the end (delta: 752.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:14:39,209 INFO L158 Benchmark]: RCFGBuilder took 441.35ms. Allocated memory is still 155.2MB. Free memory was 107.8MB in the beginning and 96.4MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:14:39,210 INFO L158 Benchmark]: CodeCheck took 364.09ms. Allocated memory is still 155.2MB. Free memory was 96.4MB in the beginning and 80.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:14:39,210 INFO L158 Benchmark]: Witness Printer took 37.94ms. Allocated memory is still 155.2MB. Free memory was 80.5MB in the beginning and 78.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:14:39,214 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, 35 locations, 16 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, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 2 mSDtfsCounter, 9 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: 23]: integer overflow possible integer overflow possible We found a FailurePath: [L18] int a, b, q, olda; [L19] q = __VERIFIER_nondet_int() [L20] a = __VERIFIER_nondet_int() [L21] b = __VERIFIER_nondet_int() [L22] COND TRUE q > 0 VAL [a=2147483647, b=0, q=1] [L23] q + a VAL [a=2147483647, b=0, q=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 155.2MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.96ms. Allocated memory is still 155.2MB. Free memory was 119.9MB in the beginning and 110.3MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.58ms. Allocated memory is still 155.2MB. Free memory was 110.3MB in the beginning and 108.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.27ms. Allocated memory is still 155.2MB. Free memory was 108.5MB in the beginning and 107.8MB in the end (delta: 752.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 441.35ms. Allocated memory is still 155.2MB. Free memory was 107.8MB in the beginning and 96.4MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 364.09ms. Allocated memory is still 155.2MB. Free memory was 96.4MB in the beginning and 80.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 37.94ms. Allocated memory is still 155.2MB. Free memory was 80.5MB in the beginning and 78.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 03:14:39,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a2ac93-a67f-4f76-9877-336c2cd68e98/bin/ukojak-verify-G8NBE6pJGL/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)