./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 30e01a73 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_4a9c05d9-c688-4e76-ad06-fdc23ecf2e88/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9c05d9-c688-4e76-ad06-fdc23ecf2e88/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9c05d9-c688-4e76-ad06-fdc23ecf2e88/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9c05d9-c688-4e76-ad06-fdc23ecf2e88/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-bwb/or-02-false.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9c05d9-c688-4e76-ad06-fdc23ecf2e88/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9c05d9-c688-4e76-ad06-fdc23ecf2e88/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 558fefc48ea7e5510649f62ef741167490643b2b82a9234d3e5e6ab586beb6c7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:16:55,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:16:55,398 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9c05d9-c688-4e76-ad06-fdc23ecf2e88/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:16:55,407 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:16:55,408 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:16:55,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:16:55,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:16:55,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:16:55,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:16:55,459 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:16:55,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:16:55,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:16:55,461 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:16:55,463 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:16:55,464 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:16:55,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:16:55,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:16:55,466 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:16:55,466 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:16:55,467 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:16:55,467 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:16:55,469 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:16:55,469 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:16:55,470 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:16:55,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:16:55,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:16:55,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:16:55,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:16:55,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:16:55,473 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:16:55,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:16:55,475 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:16:55,476 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_4a9c05d9-c688-4e76-ad06-fdc23ecf2e88/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9c05d9-c688-4e76-ad06-fdc23ecf2e88/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 558fefc48ea7e5510649f62ef741167490643b2b82a9234d3e5e6ab586beb6c7 [2023-11-23 20:16:55,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:16:55,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:16:55,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:16:55,865 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:16:55,866 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:16:55,867 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9c05d9-c688-4e76-ad06-fdc23ecf2e88/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-bwb/or-02-false.c [2023-11-23 20:16:59,252 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:16:59,477 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:16:59,478 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9c05d9-c688-4e76-ad06-fdc23ecf2e88/sv-benchmarks/c/termination-bwb/or-02-false.c [2023-11-23 20:16:59,485 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9c05d9-c688-4e76-ad06-fdc23ecf2e88/bin/ukojak-verify-1t5iHCbJaC/data/4bb58347f/e20f861380f341e5affbd3e58cd7a7e6/FLAG1cf7b0208 [2023-11-23 20:16:59,500 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9c05d9-c688-4e76-ad06-fdc23ecf2e88/bin/ukojak-verify-1t5iHCbJaC/data/4bb58347f/e20f861380f341e5affbd3e58cd7a7e6 [2023-11-23 20:16:59,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:16:59,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:16:59,505 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:16:59,505 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:16:59,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:16:59,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:16:59" (1/1) ... [2023-11-23 20:16:59,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4704f531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:59, skipping insertion in model container [2023-11-23 20:16:59,516 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:16:59" (1/1) ... [2023-11-23 20:16:59,538 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:16:59,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:16:59,719 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:16:59,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:16:59,750 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:16:59,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:59 WrapperNode [2023-11-23 20:16:59,750 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:16:59,751 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:16:59,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:16:59,752 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:16:59,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:59" (1/1) ... [2023-11-23 20:16:59,763 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:59" (1/1) ... [2023-11-23 20:16:59,779 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2023-11-23 20:16:59,780 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:16:59,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:16:59,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:16:59,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:16:59,789 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:59" (1/1) ... [2023-11-23 20:16:59,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:59" (1/1) ... [2023-11-23 20:16:59,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:59" (1/1) ... [2023-11-23 20:16:59,791 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:59" (1/1) ... [2023-11-23 20:16:59,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:59" (1/1) ... [2023-11-23 20:16:59,796 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:59" (1/1) ... [2023-11-23 20:16:59,797 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:59" (1/1) ... [2023-11-23 20:16:59,798 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:59" (1/1) ... [2023-11-23 20:16:59,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:16:59,804 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:16:59,804 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:16:59,805 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:16:59,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:59" (1/1) ... [2023-11-23 20:16:59,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:16:59,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9c05d9-c688-4e76-ad06-fdc23ecf2e88/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:16:59,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9c05d9-c688-4e76-ad06-fdc23ecf2e88/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:16:59,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9c05d9-c688-4e76-ad06-fdc23ecf2e88/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:16:59,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:16:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:16:59,942 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:16:59,945 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:17:00,095 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:17:00,120 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:17:00,121 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:17:00,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:00 BoogieIcfgContainer [2023-11-23 20:17:00,123 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:17:00,124 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:17:00,124 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:17:00,134 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:17:00,134 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:00" (1/1) ... [2023-11-23 20:17:00,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:17:00,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:00,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-23 20:17:00,202 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-23 20:17:00,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:17:00,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:00,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:00,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:00,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:00,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2023-11-23 20:17:00,464 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-11-23 20:17:00,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:17:00,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:00,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:00,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:00,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:00,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-11-23 20:17:00,610 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-11-23 20:17:00,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:17:00,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:00,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:00,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:00,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:00,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2023-11-23 20:17:00,988 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2023-11-23 20:17:00,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:17:00,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:00,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:17:01,004 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:17:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:17:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:17:01,048 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:17:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:17:01,060 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2023-11-23 20:17:01,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:17:01 ImpRootNode [2023-11-23 20:17:01,092 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:17:01,093 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:17:01,093 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:17:01,093 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:17:01,094 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:00" (3/4) ... [2023-11-23 20:17:01,095 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:17:01,154 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9c05d9-c688-4e76-ad06-fdc23ecf2e88/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:17:01,155 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:17:01,156 INFO L158 Benchmark]: Toolchain (without parser) took 1651.59ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 81.0MB in the beginning and 104.9MB in the end (delta: -24.0MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2023-11-23 20:17:01,159 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:17:01,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.51ms. Allocated memory is still 125.8MB. Free memory was 81.0MB in the beginning and 71.7MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:17:01,163 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.31ms. Allocated memory is still 125.8MB. Free memory was 71.7MB in the beginning and 70.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:17:01,164 INFO L158 Benchmark]: Boogie Preprocessor took 22.73ms. Allocated memory is still 125.8MB. Free memory was 70.5MB in the beginning and 69.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:17:01,165 INFO L158 Benchmark]: RCFGBuilder took 318.74ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 69.3MB in the beginning and 137.1MB in the end (delta: -67.8MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2023-11-23 20:17:01,165 INFO L158 Benchmark]: CodeCheck took 968.08ms. Allocated memory is still 167.8MB. Free memory was 137.1MB in the beginning and 107.0MB in the end (delta: 30.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-23 20:17:01,166 INFO L158 Benchmark]: Witness Printer took 61.70ms. Allocated memory is still 167.8MB. Free memory was 107.0MB in the beginning and 104.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:17:01,175 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: 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, 20 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.1s 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, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s 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=2147483617] [L20] EXPR b+1 [L20] b= b+1 [L21] b = b|1 VAL [b=31, x=2147483617] [L22] x+b VAL [b=31, x=2147483617] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.51ms. Allocated memory is still 125.8MB. Free memory was 81.0MB in the beginning and 71.7MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.31ms. Allocated memory is still 125.8MB. Free memory was 71.7MB in the beginning and 70.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.73ms. Allocated memory is still 125.8MB. Free memory was 70.5MB in the beginning and 69.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 318.74ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 69.3MB in the beginning and 137.1MB in the end (delta: -67.8MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * CodeCheck took 968.08ms. Allocated memory is still 167.8MB. Free memory was 137.1MB in the beginning and 107.0MB in the end (delta: 30.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 61.70ms. Allocated memory is still 167.8MB. Free memory was 107.0MB in the beginning and 104.9MB 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! [2023-11-23 20:17:01,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a9c05d9-c688-4e76-ad06-fdc23ecf2e88/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)