./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Hanoi_3vars.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_720c97cc-1a47-4d4d-8df9-6d61f5e1efce/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_720c97cc-1a47-4d4d-8df9-6d61f5e1efce/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_720c97cc-1a47-4d4d-8df9-6d61f5e1efce/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_720c97cc-1a47-4d4d-8df9-6d61f5e1efce/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Hanoi_3vars.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_720c97cc-1a47-4d4d-8df9-6d61f5e1efce/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_720c97cc-1a47-4d4d-8df9-6d61f5e1efce/bin/ukojak-verify-afCqCEvfdi --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 31793c2f4d2c295a3c44a731895e24e4f1e6966c3a5012c3d0c0daecba81218c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:51:26,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:51:26,406 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_720c97cc-1a47-4d4d-8df9-6d61f5e1efce/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:51:26,411 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:51:26,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:51:26,438 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:51:26,440 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:51:26,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:51:26,441 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:51:26,442 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:51:26,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:51:26,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:51:26,444 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:51:26,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:51:26,445 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:51:26,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:51:26,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:51:26,447 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:51:26,448 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:51:26,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:51:26,450 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:51:26,451 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:51:26,451 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:51:26,452 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:51:26,453 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:51:26,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:26,454 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:51:26,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:51:26,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:51:26,456 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:51:26,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:51:26,457 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:51:26,457 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_720c97cc-1a47-4d4d-8df9-6d61f5e1efce/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_720c97cc-1a47-4d4d-8df9-6d61f5e1efce/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31793c2f4d2c295a3c44a731895e24e4f1e6966c3a5012c3d0c0daecba81218c [2023-11-24 22:51:26,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:51:26,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:51:26,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:51:26,801 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:51:26,802 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:51:26,803 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_720c97cc-1a47-4d4d-8df9-6d61f5e1efce/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/termination-crafted/Hanoi_3vars.c [2023-11-24 22:51:30,011 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:51:30,264 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:51:30,265 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_720c97cc-1a47-4d4d-8df9-6d61f5e1efce/sv-benchmarks/c/termination-crafted/Hanoi_3vars.c [2023-11-24 22:51:30,275 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_720c97cc-1a47-4d4d-8df9-6d61f5e1efce/bin/ukojak-verify-afCqCEvfdi/data/474b8b167/05d6639292a64befba99deb94ca934c1/FLAG905e31298 [2023-11-24 22:51:30,295 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_720c97cc-1a47-4d4d-8df9-6d61f5e1efce/bin/ukojak-verify-afCqCEvfdi/data/474b8b167/05d6639292a64befba99deb94ca934c1 [2023-11-24 22:51:30,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:51:30,305 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:51:30,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:30,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:51:30,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:51:30,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:30" (1/1) ... [2023-11-24 22:51:30,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b9978d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:30, skipping insertion in model container [2023-11-24 22:51:30,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:30" (1/1) ... [2023-11-24 22:51:30,343 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:51:30,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:30,529 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:51:30,545 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:30,559 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:51:30,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:30 WrapperNode [2023-11-24 22:51:30,560 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:30,561 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:30,561 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:51:30,561 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:51:30,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:30" (1/1) ... [2023-11-24 22:51:30,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:30" (1/1) ... [2023-11-24 22:51:30,596 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2023-11-24 22:51:30,597 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:30,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:51:30,598 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:51:30,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:51:30,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:30" (1/1) ... [2023-11-24 22:51:30,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:30" (1/1) ... [2023-11-24 22:51:30,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:30" (1/1) ... [2023-11-24 22:51:30,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:30" (1/1) ... [2023-11-24 22:51:30,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:30" (1/1) ... [2023-11-24 22:51:30,611 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:30" (1/1) ... [2023-11-24 22:51:30,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:30" (1/1) ... [2023-11-24 22:51:30,618 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:30" (1/1) ... [2023-11-24 22:51:30,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:51:30,621 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:51:30,621 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:51:30,621 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:51:30,622 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:30" (1/1) ... [2023-11-24 22:51:30,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:30,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_720c97cc-1a47-4d4d-8df9-6d61f5e1efce/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:51:30,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_720c97cc-1a47-4d4d-8df9-6d61f5e1efce/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:51:30,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_720c97cc-1a47-4d4d-8df9-6d61f5e1efce/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:51:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:51:30,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:51:30,780 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:51:30,782 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:51:30,880 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:51:30,909 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:51:30,910 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:51:30,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:30 BoogieIcfgContainer [2023-11-24 22:51:30,912 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:51:30,913 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:51:30,913 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:51:30,922 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:51:30,922 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:30" (1/1) ... [2023-11-24 22:51:30,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:51:30,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:30,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2023-11-24 22:51:30,982 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2023-11-24 22:51:30,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:51:30,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:30,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:31,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:31,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:31,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-24 22:51:31,317 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-24 22:51:31,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:51:31,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:31,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:31,330 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:51:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:31,362 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:51:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:31,372 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 22:51:31,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:51:31 ImpRootNode [2023-11-24 22:51:31,400 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:51:31,401 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:51:31,401 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:51:31,414 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:51:31,415 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:30" (3/4) ... [2023-11-24 22:51:31,416 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 22:51:31,458 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_720c97cc-1a47-4d4d-8df9-6d61f5e1efce/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:51:31,459 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:51:31,460 INFO L158 Benchmark]: Toolchain (without parser) took 1154.72ms. Allocated memory is still 159.4MB. Free memory was 116.6MB in the beginning and 123.9MB in the end (delta: -7.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:31,460 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 115.3MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:31,461 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.28ms. Allocated memory is still 159.4MB. Free memory was 116.2MB in the beginning and 106.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:51:31,461 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.05ms. Allocated memory is still 159.4MB. Free memory was 106.8MB in the beginning and 105.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:31,462 INFO L158 Benchmark]: Boogie Preprocessor took 21.91ms. Allocated memory is still 159.4MB. Free memory was 105.2MB in the beginning and 104.4MB in the end (delta: 816.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:31,463 INFO L158 Benchmark]: RCFGBuilder took 291.21ms. Allocated memory is still 159.4MB. Free memory was 104.4MB in the beginning and 94.3MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:51:31,464 INFO L158 Benchmark]: CodeCheck took 487.37ms. Allocated memory is still 159.4MB. Free memory was 94.3MB in the beginning and 125.4MB in the end (delta: -31.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:31,464 INFO L158 Benchmark]: Witness Printer took 57.84ms. Allocated memory is still 159.4MB. Free memory was 125.4MB in the beginning and 123.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:31,468 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, 15 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s 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: 17]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int x, y, z; [L13] x = __VERIFIER_nondet_int() [L14] y = __VERIFIER_nondet_int() [L15] z = __VERIFIER_nondet_int() [L16] COND TRUE x > 0 VAL [x=1, y=2147483647, z=0] [L17] x + y VAL [x=1, y=2147483647, z=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 115.3MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.28ms. Allocated memory is still 159.4MB. Free memory was 116.2MB in the beginning and 106.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.05ms. Allocated memory is still 159.4MB. Free memory was 106.8MB in the beginning and 105.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.91ms. Allocated memory is still 159.4MB. Free memory was 105.2MB in the beginning and 104.4MB in the end (delta: 816.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 291.21ms. Allocated memory is still 159.4MB. Free memory was 104.4MB in the beginning and 94.3MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 487.37ms. Allocated memory is still 159.4MB. Free memory was 94.3MB in the beginning and 125.4MB in the end (delta: -31.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 57.84ms. Allocated memory is still 159.4MB. Free memory was 125.4MB in the beginning and 123.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-24 22:51:31,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_720c97cc-1a47-4d4d-8df9-6d61f5e1efce/bin/ukojak-verify-afCqCEvfdi/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)