./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-queue-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-queue-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 338b6951ab628b0237aa41c64d1786e44f90130a76a8fd0978f750b3fe39d026 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:42:01,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:42:01,439 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:42:01,443 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:42:01,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:42:01,463 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:42:01,464 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:42:01,464 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:42:01,464 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:42:01,464 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:42:01,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:42:01,465 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:42:01,465 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:42:01,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:42:01,465 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:42:01,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:42:01,465 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:42:01,465 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:42:01,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:42:01,465 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:42:01,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:42:01,465 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:42:01,465 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:42:01,466 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:42:01,466 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:42:01,466 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:42:01,466 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:42:01,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:42:01,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:42:01,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:42:01,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:42:01,466 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:42:01,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:42:01,467 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_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/bin/ukojak-verify-CZk0znPC7b 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 ! call(reach_error())) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 338b6951ab628b0237aa41c64d1786e44f90130a76a8fd0978f750b3fe39d026 [2024-12-05 23:42:01,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:42:01,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:42:01,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:42:01,703 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:42:01,703 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:42:01,704 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/forester-heap/dll-queue-2.i [2024-12-05 23:42:04,257 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/bin/ukojak-verify-CZk0znPC7b/data/4022c2d7e/b890ea8cb44b41738b1595b8cf3884f8/FLAG3c488b512 [2024-12-05 23:42:04,498 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:42:04,499 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i [2024-12-05 23:42:04,511 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/bin/ukojak-verify-CZk0znPC7b/data/4022c2d7e/b890ea8cb44b41738b1595b8cf3884f8/FLAG3c488b512 [2024-12-05 23:42:04,844 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/bin/ukojak-verify-CZk0znPC7b/data/4022c2d7e/b890ea8cb44b41738b1595b8cf3884f8 [2024-12-05 23:42:04,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:42:04,852 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:42:04,855 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:42:04,855 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:42:04,862 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:42:04,863 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:42:04" (1/1) ... [2024-12-05 23:42:04,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a693e0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:04, skipping insertion in model container [2024-12-05 23:42:04,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:42:04" (1/1) ... [2024-12-05 23:42:04,892 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:42:05,107 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[22460,22473] [2024-12-05 23:42:05,111 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[22531,22544] [2024-12-05 23:42:05,112 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[22605,22618] [2024-12-05 23:42:05,112 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[22697,22710] [2024-12-05 23:42:05,113 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[22774,22787] [2024-12-05 23:42:05,114 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[22869,22882] [2024-12-05 23:42:05,115 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[22946,22959] [2024-12-05 23:42:05,115 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[23029,23042] [2024-12-05 23:42:05,116 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[23124,23137] [2024-12-05 23:42:05,117 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[23201,23214] [2024-12-05 23:42:05,117 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[23284,23297] [2024-12-05 23:42:05,118 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[23373,23386] [2024-12-05 23:42:05,119 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[23459,23472] [2024-12-05 23:42:05,120 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[23604,23617] [2024-12-05 23:42:05,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:42:05,131 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:42:05,163 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[22460,22473] [2024-12-05 23:42:05,164 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[22531,22544] [2024-12-05 23:42:05,164 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[22605,22618] [2024-12-05 23:42:05,165 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[22697,22710] [2024-12-05 23:42:05,165 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[22774,22787] [2024-12-05 23:42:05,166 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[22869,22882] [2024-12-05 23:42:05,167 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[22946,22959] [2024-12-05 23:42:05,167 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[23029,23042] [2024-12-05 23:42:05,168 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[23124,23137] [2024-12-05 23:42:05,169 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[23201,23214] [2024-12-05 23:42:05,169 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[23284,23297] [2024-12-05 23:42:05,170 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[23373,23386] [2024-12-05 23:42:05,171 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[23459,23472] [2024-12-05 23:42:05,172 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/sv-benchmarks/c/forester-heap/dll-queue-2.i[23604,23617] [2024-12-05 23:42:05,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:42:05,197 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:42:05,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:05 WrapperNode [2024-12-05 23:42:05,197 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:42:05,198 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:42:05,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:42:05,198 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:42:05,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:05" (1/1) ... [2024-12-05 23:42:05,213 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:05" (1/1) ... [2024-12-05 23:42:05,231 INFO L138 Inliner]: procedures = 119, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 207 [2024-12-05 23:42:05,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:42:05,232 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:42:05,232 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:42:05,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:42:05,239 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:05" (1/1) ... [2024-12-05 23:42:05,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:05" (1/1) ... [2024-12-05 23:42:05,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:05" (1/1) ... [2024-12-05 23:42:05,242 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:05" (1/1) ... [2024-12-05 23:42:05,249 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:05" (1/1) ... [2024-12-05 23:42:05,250 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:05" (1/1) ... [2024-12-05 23:42:05,256 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:05" (1/1) ... [2024-12-05 23:42:05,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:05" (1/1) ... [2024-12-05 23:42:05,259 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:05" (1/1) ... [2024-12-05 23:42:05,260 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:42:05,261 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:42:05,261 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:42:05,261 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:42:05,262 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:05" (1/1) ... [2024-12-05 23:42:05,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:42:05,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:42:05,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:42:05,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:42:05,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 23:42:05,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 23:42:05,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 23:42:05,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:42:05,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 23:42:05,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 23:42:05,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 23:42:05,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:42:05,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:42:05,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:42:05,384 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:42:05,385 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:42:05,609 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-12-05 23:42:05,609 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:42:05,665 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:42:05,666 INFO L312 CfgBuilder]: Removed 17 assume(true) statements. [2024-12-05 23:42:05,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:42:05 BoogieIcfgContainer [2024-12-05 23:42:05,666 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:42:05,667 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:42:05,667 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:42:05,674 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:42:05,674 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:42:05" (1/1) ... [2024-12-05 23:42:05,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:42:05,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:05,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 76 states and 125 transitions. [2024-12-05 23:42:05,717 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 125 transitions. [2024-12-05 23:42:05,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:42:05,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:05,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:05,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:05,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:05,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 76 states and 120 transitions. [2024-12-05 23:42:05,847 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 120 transitions. [2024-12-05 23:42:05,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:42:05,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:05,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:05,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:06,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:06,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 79 states and 122 transitions. [2024-12-05 23:42:06,057 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 122 transitions. [2024-12-05 23:42:06,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:42:06,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:06,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:06,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:06,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:06,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 80 states and 123 transitions. [2024-12-05 23:42:06,107 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 123 transitions. [2024-12-05 23:42:06,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:42:06,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:06,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:06,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:06,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:06,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 84 states and 128 transitions. [2024-12-05 23:42:06,590 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 128 transitions. [2024-12-05 23:42:06,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:42:06,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:06,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:06,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:06,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:06,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 89 states and 134 transitions. [2024-12-05 23:42:06,822 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 134 transitions. [2024-12-05 23:42:06,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:42:06,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:06,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:06,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:06,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:06,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 90 states and 132 transitions. [2024-12-05 23:42:06,865 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2024-12-05 23:42:06,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 23:42:06,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:06,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:06,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:06,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:06,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 91 states and 130 transitions. [2024-12-05 23:42:06,910 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 130 transitions. [2024-12-05 23:42:06,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:42:06,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:06,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:06,976 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 23:42:07,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:07,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 79 states and 114 transitions. [2024-12-05 23:42:07,015 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2024-12-05 23:42:07,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 23:42:07,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:07,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:07,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:42:07,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:07,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 77 states and 112 transitions. [2024-12-05 23:42:07,107 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 112 transitions. [2024-12-05 23:42:07,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 23:42:07,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:07,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:07,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:07,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:07,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 82 states and 115 transitions. [2024-12-05 23:42:07,226 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2024-12-05 23:42:07,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 23:42:07,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:07,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:07,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:07,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:07,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 89 states and 123 transitions. [2024-12-05 23:42:07,636 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 123 transitions. [2024-12-05 23:42:07,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 23:42:07,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:07,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:07,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:07,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:07,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 91 states and 125 transitions. [2024-12-05 23:42:07,850 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 125 transitions. [2024-12-05 23:42:07,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:42:07,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:07,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:08,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:08,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:08,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 106 states and 144 transitions. [2024-12-05 23:42:08,956 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 144 transitions. [2024-12-05 23:42:08,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 23:42:08,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:08,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:09,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:09,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:09,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 108 states and 147 transitions. [2024-12-05 23:42:09,389 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 147 transitions. [2024-12-05 23:42:09,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 23:42:09,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:09,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:09,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:42:10,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:10,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 118 states and 165 transitions. [2024-12-05 23:42:10,398 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 165 transitions. [2024-12-05 23:42:10,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:42:10,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:10,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:10,450 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-05 23:42:10,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:10,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 120 states and 169 transitions. [2024-12-05 23:42:10,526 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2024-12-05 23:42:10,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:42:10,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:10,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:10,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:10,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:10,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 121 states and 171 transitions. [2024-12-05 23:42:10,609 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 171 transitions. [2024-12-05 23:42:10,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:42:10,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:10,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:10,659 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-05 23:42:10,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:10,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 123 states and 175 transitions. [2024-12-05 23:42:10,684 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 175 transitions. [2024-12-05 23:42:10,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 23:42:10,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:10,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:11,376 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:12,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:12,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 143 states and 212 transitions. [2024-12-05 23:42:12,774 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 212 transitions. [2024-12-05 23:42:12,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 23:42:12,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:12,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:13,090 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:13,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:13,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 145 states and 214 transitions. [2024-12-05 23:42:13,344 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 214 transitions. [2024-12-05 23:42:13,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:42:13,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:13,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:13,521 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:14,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:14,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 155 states and 225 transitions. [2024-12-05 23:42:14,509 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 225 transitions. [2024-12-05 23:42:14,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:42:14,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:14,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:14,596 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:14,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:14,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 157 states and 227 transitions. [2024-12-05 23:42:14,844 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 227 transitions. [2024-12-05 23:42:14,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:42:14,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:14,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:15,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:17,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:17,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 179 states and 263 transitions. [2024-12-05 23:42:17,429 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 263 transitions. [2024-12-05 23:42:17,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:42:17,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:17,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:18,202 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:20,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:20,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 199 states and 294 transitions. [2024-12-05 23:42:20,460 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 294 transitions. [2024-12-05 23:42:20,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:42:20,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:20,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:20,943 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:21,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:21,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 201 states and 296 transitions. [2024-12-05 23:42:21,258 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 296 transitions. [2024-12-05 23:42:21,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:42:21,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:21,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:21,623 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:22,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:22,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 211 states and 314 transitions. [2024-12-05 23:42:22,970 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 314 transitions. [2024-12-05 23:42:22,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:42:22,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:22,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:23,008 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-05 23:42:24,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:24,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 219 states and 326 transitions. [2024-12-05 23:42:24,401 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 326 transitions. [2024-12-05 23:42:24,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:42:24,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:24,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:24,596 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:25,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:25,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 222 states and 332 transitions. [2024-12-05 23:42:25,803 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 332 transitions. [2024-12-05 23:42:25,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:42:25,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:25,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:26,856 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:28,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:28,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 231 states and 347 transitions. [2024-12-05 23:42:28,016 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 347 transitions. [2024-12-05 23:42:28,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:42:28,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:28,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:28,598 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:29,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:29,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 237 states and 356 transitions. [2024-12-05 23:42:29,856 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 356 transitions. [2024-12-05 23:42:29,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:42:29,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:29,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:30,361 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:34,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:34,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 256 states and 388 transitions. [2024-12-05 23:42:34,069 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 388 transitions. [2024-12-05 23:42:34,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-05 23:42:34,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:34,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:34,506 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:36,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:36,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 267 states and 407 transitions. [2024-12-05 23:42:36,469 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 407 transitions. [2024-12-05 23:42:36,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-05 23:42:36,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:36,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:36,613 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:37,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:37,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 128 states and 170 transitions. [2024-12-05 23:42:37,118 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 170 transitions. [2024-12-05 23:42:37,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-05 23:42:37,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:37,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:37,156 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-05 23:42:37,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:37,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 129 states and 171 transitions. [2024-12-05 23:42:37,354 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 171 transitions. [2024-12-05 23:42:37,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 23:42:37,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:37,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:38,585 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:42,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:42,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 147 states and 194 transitions. [2024-12-05 23:42:42,130 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 194 transitions. [2024-12-05 23:42:42,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 23:42:42,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:42,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:44,229 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:47,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:47,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 161 states and 213 transitions. [2024-12-05 23:42:47,999 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 213 transitions. [2024-12-05 23:42:48,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 23:42:48,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:48,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:49,027 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:56,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:56,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 165 states and 226 transitions. [2024-12-05 23:42:56,189 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 226 transitions. [2024-12-05 23:42:56,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 23:42:56,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:56,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:56,872 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:57,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:57,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 165 states and 225 transitions. [2024-12-05 23:42:57,708 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 225 transitions. [2024-12-05 23:42:57,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 23:42:57,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:57,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:58,303 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:43:00,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:00,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 168 states and 231 transitions. [2024-12-05 23:43:00,368 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 231 transitions. [2024-12-05 23:43:00,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 23:43:00,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:00,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:02,035 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:43:09,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:09,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 189 states and 261 transitions. [2024-12-05 23:43:09,186 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 261 transitions. [2024-12-05 23:43:09,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 23:43:09,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:09,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:10,503 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:43:13,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:13,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 196 states and 276 transitions. [2024-12-05 23:43:13,633 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 276 transitions. [2024-12-05 23:43:13,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 23:43:13,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:13,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:14,636 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:43:19,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:19,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 210 states and 296 transitions. [2024-12-05 23:43:19,243 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 296 transitions. [2024-12-05 23:43:19,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 23:43:19,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:19,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:19,456 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:43:20,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:20,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 212 states and 300 transitions. [2024-12-05 23:43:20,426 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 300 transitions. [2024-12-05 23:43:20,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-05 23:43:20,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:20,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:22,267 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:43:25,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:25,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 218 states and 312 transitions. [2024-12-05 23:43:25,406 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 312 transitions. [2024-12-05 23:43:25,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-05 23:43:25,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:25,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:43:25,447 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:43:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:43:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:43:26,324 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:43:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:43:27,286 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 45 iterations. [2024-12-05 23:43:27,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:43:27 ImpRootNode [2024-12-05 23:43:27,318 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:43:27,319 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:43:27,319 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:43:27,319 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:43:27,319 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:42:05" (3/4) ... [2024-12-05 23:43:27,320 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 23:43:27,359 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 37. [2024-12-05 23:43:27,402 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:43:27,403 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:43:27,403 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:43:27,403 INFO L158 Benchmark]: Toolchain (without parser) took 82552.12ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 947.9MB). Free memory was 115.7MB in the beginning and 470.0MB in the end (delta: -354.3MB). Peak memory consumption was 589.5MB. Max. memory is 16.1GB. [2024-12-05 23:43:27,403 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:43:27,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.95ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 97.2MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:43:27,404 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.38ms. Allocated memory is still 142.6MB. Free memory was 97.2MB in the beginning and 95.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:43:27,404 INFO L158 Benchmark]: Boogie Preprocessor took 28.70ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 93.5MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:43:27,404 INFO L158 Benchmark]: RCFGBuilder took 405.13ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 67.9MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 23:43:27,404 INFO L158 Benchmark]: CodeCheck took 81651.50ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 947.9MB). Free memory was 67.7MB in the beginning and 478.4MB in the end (delta: -410.7MB). Peak memory consumption was 530.8MB. Max. memory is 16.1GB. [2024-12-05 23:43:27,405 INFO L158 Benchmark]: Witness Printer took 84.08ms. Allocated memory is still 1.1GB. Free memory was 478.4MB in the beginning and 470.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:43:27,406 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, 76 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 81.6s, OverallIterations: 45, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16784 SdHoareTripleChecker+Valid, 67.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11831 mSDsluCounter, 15772 SdHoareTripleChecker+Invalid, 61.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13930 mSDsCounter, 3147 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21446 IncrementalHoareTripleChecker+Invalid, 24593 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3147 mSolverCounterUnsat, 1842 mSDtfsCounter, 21446 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9352 GetRequests, 8315 SyntacticMatches, 353 SemanticMatches, 684 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266348 ImplicationChecksByTransitivity, 62.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 18.6s InterpolantComputationTime, 1093 NumberOfCodeBlocks, 1093 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 1009 ConstructedInterpolants, 0 QuantifiedInterpolants, 15892 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 44 InterpolantComputations, 15 PerfectInterpolantSequences, 63/501 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1049]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L997] SLL* head = malloc(sizeof(SLL)); [L998] head->next = ((void*)0) [L999] head->prev = ((void*)0) [L1000] head->data = 0 [L1001] SLL* item = head; [L1002] int status = 0; VAL [head={31027:0}, item={31027:0}, status=0] [L1004] COND TRUE __VERIFIER_nondet_int() [L1006] item->next = malloc(sizeof(SLL)) [L1007] EXPR item->next [L1007] item->next->prev = item [L1008] EXPR item->next [L1008] item = item->next [L1009] item->next = ((void*)0) [L1011] COND TRUE !status [L1013] item->data = 1 [L1014] status = 1 VAL [head={31027:0}, item={31029:0}, status=1] [L1027] COND FALSE !(!(head != ((void*)0))) VAL [head={31027:0}, item={31029:0}, status=1] [L1027] COND FALSE !(0) VAL [head={31027:0}, item={31029:0}, status=1] [L1028] COND FALSE !(!(item != ((void*)0))) VAL [head={31027:0}, item={31029:0}, status=1] [L1028] COND FALSE !(0) VAL [head={31027:0}, item={31029:0}, status=1] [L1004] COND TRUE __VERIFIER_nondet_int() [L1006] item->next = malloc(sizeof(SLL)) [L1007] EXPR item->next [L1007] item->next->prev = item [L1008] EXPR item->next [L1008] item = item->next [L1009] item->next = ((void*)0) [L1011] COND FALSE !(!status) [L1016] COND TRUE status == 1 [L1018] item->data = 2 [L1019] status = 2 VAL [head={31027:0}, item={-1:0}, status=2] [L1027] COND FALSE !(!(head != ((void*)0))) VAL [head={31027:0}, item={-1:0}, status=2] [L1027] COND FALSE !(0) VAL [head={31027:0}, item={-1:0}, status=2] [L1028] COND FALSE !(!(item != ((void*)0))) VAL [head={31027:0}, item={-1:0}, status=2] [L1028] COND FALSE !(0) VAL [head={31027:0}, item={-1:0}, status=2] [L1004] COND TRUE __VERIFIER_nondet_int() [L1006] item->next = malloc(sizeof(SLL)) [L1007] EXPR item->next [L1007] item->next->prev = item [L1008] EXPR item->next [L1008] item = item->next [L1009] item->next = ((void*)0) [L1011] COND FALSE !(!status) [L1016] COND FALSE !(status == 1) [L1021] COND TRUE status >= 2 [L1023] item->data = 3 [L1024] status = 3 VAL [head={31027:0}, item={31028:0}, status=3] [L1027] COND FALSE !(!(head != ((void*)0))) VAL [head={31027:0}, item={31028:0}, status=3] [L1027] COND FALSE !(0) VAL [head={31027:0}, item={31028:0}, status=3] [L1028] COND FALSE !(!(item != ((void*)0))) VAL [head={31027:0}, item={31028:0}, status=3] [L1028] COND FALSE !(0) VAL [head={31027:0}, item={31028:0}, status=3] [L1004] COND FALSE !(__VERIFIER_nondet_int()) [L1031] COND FALSE !(!(head != ((void*)0))) VAL [head={31027:0}, item={31028:0}, status=3] [L1031] COND FALSE !(0) VAL [head={31027:0}, item={31028:0}, status=3] [L1032] COND FALSE !(status == 1) VAL [head={31027:0}, item={31028:0}, status=3] [L1037] COND FALSE !(status == 2) VAL [head={31027:0}, item={31028:0}, status=3] [L1043] COND TRUE status == 3 VAL [head={31027:0}, item={31028:0}, status=3] [L1045] COND FALSE !(!(head != ((void*)0))) VAL [head={31027:0}, item={31028:0}, status=3] [L1045] COND FALSE !(0) VAL [head={31027:0}, item={31028:0}, status=3] [L1046] EXPR head->next VAL [head={31027:0}, item={31028:0}, status=3] [L1046] COND FALSE !(!(head->next != ((void*)0))) [L1046] COND FALSE !(0) VAL [head={31027:0}, item={31028:0}, status=3] [L1047] EXPR head->next [L1047] EXPR head->next->next VAL [head={31027:0}, item={31028:0}, status=3] [L1047] COND FALSE !(!(head->next->next != ((void*)0))) [L1047] COND FALSE !(0) VAL [head={31027:0}, item={31028:0}, status=3] [L1048] EXPR head->next [L1048] EXPR head->next->next [L1048] EXPR head->next->next->next VAL [head={31027:0}, item={31028:0}, status=3] [L1048] COND FALSE !(!(head->next->next->next != ((void*)0))) [L1048] COND FALSE !(0) VAL [head={31027:0}, item={31028:0}, status=3] [L1049] EXPR head->next [L1049] EXPR head->next->next [L1049] EXPR head->next->next->next [L1049] EXPR head->next->next->next->data VAL [head={31027:0}, item={31028:0}, status=3] [L1049] COND TRUE !(head->next->next->next->data != 3) [L1049] reach_error() VAL [head={31027:0}, item={31028:0}, status=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.95ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 97.2MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.38ms. Allocated memory is still 142.6MB. Free memory was 97.2MB in the beginning and 95.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.70ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 93.5MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 405.13ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 67.9MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 81651.50ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 947.9MB). Free memory was 67.7MB in the beginning and 478.4MB in the end (delta: -410.7MB). Peak memory consumption was 530.8MB. Max. memory is 16.1GB. * Witness Printer took 84.08ms. Allocated memory is still 1.1GB. Free memory was 478.4MB in the beginning and 470.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 23:43:27,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291dfe39-ceb5-4fd0-ba9b-1d842bb7984a/bin/ukojak-verify-CZk0znPC7b/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