./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f93b7-9d29-4708-b584-d876b6a30501/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f93b7-9d29-4708-b584-d876b6a30501/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f93b7-9d29-4708-b584-d876b6a30501/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f93b7-9d29-4708-b584-d876b6a30501/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-bwb/or-02-false.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f93b7-9d29-4708-b584-d876b6a30501/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f93b7-9d29-4708-b584-d876b6a30501/bin/ukojak-verify-EEHR8qb7sm --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 0.3.0-dev-826ab2b [2024-11-13 22:51:32,908 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:51:32,993 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f93b7-9d29-4708-b584-d876b6a30501/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:51:32,999 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:51:32,999 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:51:33,025 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:51:33,026 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:51:33,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:51:33,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:51:33,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:51:33,027 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:51:33,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:51:33,028 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:51:33,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:51:33,028 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:51:33,028 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:51:33,028 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:51:33,029 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:51:33,029 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:51:33,029 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:51:33,029 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:51:33,029 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:51:33,029 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:51:33,030 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:51:33,030 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:51:33,030 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:51:33,030 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:51:33,030 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:51:33,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:51:33,031 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:51:33,031 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:51:33,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:51:33,031 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_408f93b7-9d29-4708-b584-d876b6a30501/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 22:51:33,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:51:33,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:51:33,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:51:33,440 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:51:33,443 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:51:33,444 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f93b7-9d29-4708-b584-d876b6a30501/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-bwb/or-02-false.c Unable to find full path for "g++" [2024-11-13 22:51:35,918 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:51:36,214 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:51:36,215 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f93b7-9d29-4708-b584-d876b6a30501/sv-benchmarks/c/termination-bwb/or-02-false.c [2024-11-13 22:51:36,223 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f93b7-9d29-4708-b584-d876b6a30501/bin/ukojak-verify-EEHR8qb7sm/data/633cf130f/365de95d7f964e839c0acefb53c6221a/FLAG445d9e5b8 [2024-11-13 22:51:36,253 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f93b7-9d29-4708-b584-d876b6a30501/bin/ukojak-verify-EEHR8qb7sm/data/633cf130f/365de95d7f964e839c0acefb53c6221a [2024-11-13 22:51:36,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:51:36,259 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:51:36,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:51:36,262 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:51:36,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:51:36,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:51:36" (1/1) ... [2024-11-13 22:51:36,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ce78526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:36, skipping insertion in model container [2024-11-13 22:51:36,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:51:36" (1/1) ... [2024-11-13 22:51:36,292 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:51:36,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:51:36,496 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:51:36,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:51:36,527 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:51:36,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:36 WrapperNode [2024-11-13 22:51:36,529 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:51:36,530 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:51:36,530 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:51:36,530 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:51:36,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:36" (1/1) ... [2024-11-13 22:51:36,543 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:36" (1/1) ... [2024-11-13 22:51:36,561 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2024-11-13 22:51:36,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:51:36,563 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:51:36,563 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:51:36,564 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:51:36,572 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:36" (1/1) ... [2024-11-13 22:51:36,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:36" (1/1) ... [2024-11-13 22:51:36,573 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:36" (1/1) ... [2024-11-13 22:51:36,573 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:36" (1/1) ... [2024-11-13 22:51:36,574 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:36" (1/1) ... [2024-11-13 22:51:36,582 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:36" (1/1) ... [2024-11-13 22:51:36,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:36" (1/1) ... [2024-11-13 22:51:36,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:36" (1/1) ... [2024-11-13 22:51:36,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:51:36,590 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:51:36,590 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:51:36,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:51:36,591 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:36" (1/1) ... [2024-11-13 22:51:36,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:51:36,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f93b7-9d29-4708-b584-d876b6a30501/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:51:36,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f93b7-9d29-4708-b584-d876b6a30501/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:51:36,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f93b7-9d29-4708-b584-d876b6a30501/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:51:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:51:36,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:51:36,753 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:51:36,755 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:51:36,892 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 22:51:36,892 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:51:36,939 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:51:36,943 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:51:36,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:51:36 BoogieIcfgContainer [2024-11-13 22:51:36,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:51:36,945 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:51:36,945 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:51:36,961 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:51:36,961 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:51:36" (1/1) ... [2024-11-13 22:51:36,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:51:37,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:37,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-13 22:51:37,044 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-13 22:51:37,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:51:37,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:37,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:51:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:37,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:51:37,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:37,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-13 22:51:37,304 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-13 22:51:37,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:51:37,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:37,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:51:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:37,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:51:37,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:37,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-13 22:51:37,471 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-13 22:51:37,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:51:37,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:37,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:51:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:37,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:51:37,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:37,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-13 22:51:37,950 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-13 22:51:37,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:51:37,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:37,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:51:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:51:37,965 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:51:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:51:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:51:38,016 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:51:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:51:38,031 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-13 22:51:38,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:51:38 ImpRootNode [2024-11-13 22:51:38,065 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:51:38,066 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:51:38,066 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:51:38,067 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:51:38,068 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:51:36" (3/4) ... [2024-11-13 22:51:38,069 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 22:51:38,118 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f93b7-9d29-4708-b584-d876b6a30501/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:51:38,118 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:51:38,119 INFO L158 Benchmark]: Toolchain (without parser) took 1861.11ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 41.0MB in the end (delta: 51.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 22:51:38,120 INFO L158 Benchmark]: CDTParser took 1.18ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:51:38,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.35ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 82.3MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:51:38,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.72ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.6MB in the end (delta: 772.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:51:38,121 INFO L158 Benchmark]: Boogie Preprocessor took 25.80ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.8MB in the end (delta: 778.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:51:38,123 INFO L158 Benchmark]: RCFGBuilder took 354.09ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 71.7MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:51:38,123 INFO L158 Benchmark]: CodeCheck took 1120.15ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 42.8MB in the end (delta: 28.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:51:38,124 INFO L158 Benchmark]: Witness Printer took 52.72ms. Allocated memory is still 117.4MB. Free memory was 42.8MB in the beginning and 41.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:51:38,130 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 67 IncrementalHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 6 mSDtfsCounter, 67 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 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 TRUE x>0 VAL [b=30, x=2147483647] [L20] EXPR b+1 [L20] b= b+1 [L21] b = b|1 VAL [b=31, x=2147483647] [L22] x+b * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.18ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.35ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 82.3MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.72ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.6MB in the end (delta: 772.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.80ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.8MB in the end (delta: 778.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 354.09ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 71.7MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1120.15ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 42.8MB in the end (delta: 28.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 52.72ms. Allocated memory is still 117.4MB. Free memory was 42.8MB in the beginning and 41.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 22:51:38,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408f93b7-9d29-4708-b584-d876b6a30501/bin/ukojak-verify-EEHR8qb7sm/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)