./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-bwb/or-02-false.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_c9fb97c3-22f9-4b9a-8010-b7c9cc58439a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fb97c3-22f9-4b9a-8010-b7c9cc58439a/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fb97c3-22f9-4b9a-8010-b7c9cc58439a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fb97c3-22f9-4b9a-8010-b7c9cc58439a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-bwb/or-02-false.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fb97c3-22f9-4b9a-8010-b7c9cc58439a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fb97c3-22f9-4b9a-8010-b7c9cc58439a/bin/ukojak-verify-ImItNfHLgk --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 558fefc48ea7e5510649f62ef741167490643b2b82a9234d3e5e6ab586beb6c7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:29:38,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:29:38,375 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fb97c3-22f9-4b9a-8010-b7c9cc58439a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:29:38,380 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:29:38,380 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:29:38,424 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:29:38,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:29:38,425 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:29:38,426 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:29:38,426 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:29:38,427 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:29:38,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:29:38,429 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:29:38,432 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:29:38,433 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:29:38,433 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:29:38,433 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:29:38,434 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:29:38,434 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:29:38,434 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:29:38,435 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:29:38,435 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:29:38,439 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:29:38,440 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:29:38,440 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:29:38,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:29:38,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:29:38,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:29:38,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:29:38,442 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:29:38,442 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:29:38,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:29:38,446 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_c9fb97c3-22f9-4b9a-8010-b7c9cc58439a/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fb97c3-22f9-4b9a-8010-b7c9cc58439a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 558fefc48ea7e5510649f62ef741167490643b2b82a9234d3e5e6ab586beb6c7 [2024-11-08 23:29:38,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:29:38,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:29:38,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:29:38,780 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:29:38,781 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:29:38,782 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fb97c3-22f9-4b9a-8010-b7c9cc58439a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-bwb/or-02-false.c Unable to find full path for "g++" [2024-11-08 23:29:40,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:29:41,027 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:29:41,028 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fb97c3-22f9-4b9a-8010-b7c9cc58439a/sv-benchmarks/c/termination-bwb/or-02-false.c [2024-11-08 23:29:41,038 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fb97c3-22f9-4b9a-8010-b7c9cc58439a/bin/ukojak-verify-ImItNfHLgk/data/978ae533f/6235312bc55b4a7fbc196748262623fc/FLAGf1eff9904 [2024-11-08 23:29:41,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fb97c3-22f9-4b9a-8010-b7c9cc58439a/bin/ukojak-verify-ImItNfHLgk/data/978ae533f/6235312bc55b4a7fbc196748262623fc [2024-11-08 23:29:41,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:29:41,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:29:41,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:29:41,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:29:41,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:29:41,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:29:41" (1/1) ... [2024-11-08 23:29:41,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35a410bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:41, skipping insertion in model container [2024-11-08 23:29:41,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:29:41" (1/1) ... [2024-11-08 23:29:41,087 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:29:41,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:29:41,268 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:29:41,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:29:41,295 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:29:41,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:41 WrapperNode [2024-11-08 23:29:41,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:29:41,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:29:41,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:29:41,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:29:41,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:41" (1/1) ... [2024-11-08 23:29:41,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:41" (1/1) ... [2024-11-08 23:29:41,323 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2024-11-08 23:29:41,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:29:41,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:29:41,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:29:41,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:29:41,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:41" (1/1) ... [2024-11-08 23:29:41,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:41" (1/1) ... [2024-11-08 23:29:41,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:41" (1/1) ... [2024-11-08 23:29:41,333 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:41" (1/1) ... [2024-11-08 23:29:41,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:41" (1/1) ... [2024-11-08 23:29:41,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:41" (1/1) ... [2024-11-08 23:29:41,339 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:41" (1/1) ... [2024-11-08 23:29:41,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:41" (1/1) ... [2024-11-08 23:29:41,340 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:29:41,341 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:29:41,342 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:29:41,342 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:29:41,343 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:41" (1/1) ... [2024-11-08 23:29:41,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:29:41,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fb97c3-22f9-4b9a-8010-b7c9cc58439a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:29:41,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fb97c3-22f9-4b9a-8010-b7c9cc58439a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:29:41,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fb97c3-22f9-4b9a-8010-b7c9cc58439a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:29:41,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:29:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:29:41,462 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:29:41,463 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:29:41,558 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 23:29:41,558 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:29:41,582 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:29:41,585 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:29:41,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:29:41 BoogieIcfgContainer [2024-11-08 23:29:41,587 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:29:41,588 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:29:41,588 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:29:41,601 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:29:41,601 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:29:41" (1/1) ... [2024-11-08 23:29:41,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:29:41,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:41,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-08 23:29:41,667 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-08 23:29:41,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:29:41,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:41,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:29:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:41,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:29:41,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:41,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-08 23:29:41,880 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-08 23:29:41,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:29:41,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:41,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:29:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:41,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:29:42,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:42,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2024-11-08 23:29:42,010 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2024-11-08 23:29:42,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:29:42,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:42,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:29:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:42,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:29:42,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:42,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-08 23:29:42,434 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-08 23:29:42,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:29:42,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:42,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:29:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:29:42,454 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:29:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:29:42,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:29:42,505 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:29:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:29:42,521 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-08 23:29:42,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:29:42 ImpRootNode [2024-11-08 23:29:42,555 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:29:42,558 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:29:42,558 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:29:42,558 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:29:42,559 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:29:41" (3/4) ... [2024-11-08 23:29:42,564 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:29:42,622 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fb97c3-22f9-4b9a-8010-b7c9cc58439a/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:29:42,625 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:29:42,626 INFO L158 Benchmark]: Toolchain (without parser) took 1569.87ms. Allocated memory is still 172.0MB. Free memory was 132.6MB in the beginning and 74.5MB in the end (delta: 58.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-08 23:29:42,627 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 134.2MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:29:42,628 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.10ms. Allocated memory is still 172.0MB. Free memory was 132.6MB in the beginning and 121.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:29:42,634 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.48ms. Allocated memory is still 172.0MB. Free memory was 121.3MB in the beginning and 120.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:29:42,634 INFO L158 Benchmark]: Boogie Preprocessor took 16.97ms. Allocated memory is still 172.0MB. Free memory was 120.0MB in the beginning and 119.2MB in the end (delta: 728.3kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:29:42,635 INFO L158 Benchmark]: RCFGBuilder took 245.94ms. Allocated memory is still 172.0MB. Free memory was 119.2MB in the beginning and 109.4MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:29:42,636 INFO L158 Benchmark]: CodeCheck took 967.04ms. Allocated memory is still 172.0MB. Free memory was 109.4MB in the beginning and 76.6MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-08 23:29:42,636 INFO L158 Benchmark]: Witness Printer took 67.72ms. Allocated memory is still 172.0MB. Free memory was 76.6MB in the beginning and 74.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:29:42,643 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, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 32 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 44 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: [L14] int b; [L15] int x; [L16] b = 30 [L17] x = __VERIFIER_nondet_int() [L19] COND FALSE !(x>0) VAL [b=30, x=2147483617] [L19] COND TRUE x>0 VAL [b=30, x=2147483617] [L20] EXPR b+1 [L20] b= b+1 [L21] b = b|1 VAL [b=31, x=2147483617] [L22] x+b * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 134.2MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.10ms. Allocated memory is still 172.0MB. Free memory was 132.6MB in the beginning and 121.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.48ms. Allocated memory is still 172.0MB. Free memory was 121.3MB in the beginning and 120.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.97ms. Allocated memory is still 172.0MB. Free memory was 120.0MB in the beginning and 119.2MB in the end (delta: 728.3kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 245.94ms. Allocated memory is still 172.0MB. Free memory was 119.2MB in the beginning and 109.4MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 967.04ms. Allocated memory is still 172.0MB. Free memory was 109.4MB in the beginning and 76.6MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 67.72ms. Allocated memory is still 172.0MB. Free memory was 76.6MB in the beginning and 74.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 23:29:42,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fb97c3-22f9-4b9a-8010-b7c9cc58439a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)