./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdaf4ac-6912-43d2-b7c3-3a23824995c2/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdaf4ac-6912-43d2-b7c3-3a23824995c2/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdaf4ac-6912-43d2-b7c3-3a23824995c2/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdaf4ac-6912-43d2-b7c3-3a23824995c2/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-queue-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdaf4ac-6912-43d2-b7c3-3a23824995c2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdaf4ac-6912-43d2-b7c3-3a23824995c2/bin/ukojak-verify-EEHR8qb7sm --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-826ab2b [2024-11-13 23:09:56,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:09:56,911 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdaf4ac-6912-43d2-b7c3-3a23824995c2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:09:56,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:09:56,918 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:09:56,955 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:09:56,957 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:09:56,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:09:56,958 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:09:56,958 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:09:56,958 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:09:56,959 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:09:56,959 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:09:56,959 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:09:56,959 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:09:56,959 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:09:56,959 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:09:56,959 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:09:56,959 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:09:56,959 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:09:56,959 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:09:56,960 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:09:56,960 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:09:56,960 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:09:56,960 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:09:56,960 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:09:56,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:09:56,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:09:56,960 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:09:56,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:09:56,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:09:56,962 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:09:56,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:09:56,963 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 [2024-11-13 23:09:57,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:09:57,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:09:57,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:09:57,319 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:09:57,320 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:09:57,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdaf4ac-6912-43d2-b7c3-3a23824995c2/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/forester-heap/dll-queue-2.i Unable to find full path for "g++" [2024-11-13 23:09:59,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:09:59,606 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:09:59,607 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i [2024-11-13 23:09:59,625 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdaf4ac-6912-43d2-b7c3-3a23824995c2/bin/ukojak-verify-EEHR8qb7sm/data/53d6c4287/59b541577dca4ca4b9ab245b0aad041a/FLAGe288a3cfc [2024-11-13 23:09:59,644 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdaf4ac-6912-43d2-b7c3-3a23824995c2/bin/ukojak-verify-EEHR8qb7sm/data/53d6c4287/59b541577dca4ca4b9ab245b0aad041a [2024-11-13 23:09:59,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:09:59,649 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:09:59,654 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:09:59,654 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:09:59,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:09:59,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:09:59" (1/1) ... [2024-11-13 23:09:59,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d2103e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:59, skipping insertion in model container [2024-11-13 23:09:59,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:09:59" (1/1) ... [2024-11-13 23:09:59,713 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:10:00,039 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[22460,22473] [2024-11-13 23:10:00,044 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[22531,22544] [2024-11-13 23:10:00,045 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[22605,22618] [2024-11-13 23:10:00,046 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[22697,22710] [2024-11-13 23:10:00,047 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[22774,22787] [2024-11-13 23:10:00,048 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[22869,22882] [2024-11-13 23:10:00,049 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[22946,22959] [2024-11-13 23:10:00,050 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[23029,23042] [2024-11-13 23:10:00,051 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[23124,23137] [2024-11-13 23:10:00,052 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[23201,23214] [2024-11-13 23:10:00,053 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[23284,23297] [2024-11-13 23:10:00,054 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[23373,23386] [2024-11-13 23:10:00,055 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[23459,23472] [2024-11-13 23:10:00,057 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[23604,23617] [2024-11-13 23:10:00,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:10:00,071 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:10:00,144 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[22460,22473] [2024-11-13 23:10:00,148 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[22531,22544] [2024-11-13 23:10:00,149 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[22605,22618] [2024-11-13 23:10:00,150 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[22697,22710] [2024-11-13 23:10:00,152 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[22774,22787] [2024-11-13 23:10:00,154 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[22869,22882] [2024-11-13 23:10:00,156 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[22946,22959] [2024-11-13 23:10:00,158 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[23029,23042] [2024-11-13 23:10:00,159 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[23124,23137] [2024-11-13 23:10:00,160 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[23201,23214] [2024-11-13 23:10:00,164 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[23284,23297] [2024-11-13 23:10:00,166 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[23373,23386] [2024-11-13 23:10:00,167 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[23459,23472] [2024-11-13 23:10:00,172 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_afdaf4ac-6912-43d2-b7c3-3a23824995c2/sv-benchmarks/c/forester-heap/dll-queue-2.i[23604,23617] [2024-11-13 23:10:00,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:10:00,216 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:10:00,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:00 WrapperNode [2024-11-13 23:10:00,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:10:00,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:10:00,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:10:00,219 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:10:00,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:00" (1/1) ... [2024-11-13 23:10:00,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:00" (1/1) ... [2024-11-13 23:10:00,282 INFO L138 Inliner]: procedures = 119, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 207 [2024-11-13 23:10:00,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:10:00,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:10:00,284 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:10:00,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:10:00,292 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:00" (1/1) ... [2024-11-13 23:10:00,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:00" (1/1) ... [2024-11-13 23:10:00,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:00" (1/1) ... [2024-11-13 23:10:00,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:00" (1/1) ... [2024-11-13 23:10:00,315 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:00" (1/1) ... [2024-11-13 23:10:00,333 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:00" (1/1) ... [2024-11-13 23:10:00,334 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:00" (1/1) ... [2024-11-13 23:10:00,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:00" (1/1) ... [2024-11-13 23:10:00,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:10:00,343 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:10:00,343 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:10:00,348 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:10:00,349 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:00" (1/1) ... [2024-11-13 23:10:00,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:10:00,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdaf4ac-6912-43d2-b7c3-3a23824995c2/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:10:00,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdaf4ac-6912-43d2-b7c3-3a23824995c2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:10:00,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdaf4ac-6912-43d2-b7c3-3a23824995c2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:10:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:10:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:10:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 23:10:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:10:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 23:10:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 23:10:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:10:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:10:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:10:00,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:10:00,677 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:10:00,679 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:10:01,064 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 23:10:01,065 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:10:01,176 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:10:01,176 INFO L316 CfgBuilder]: Removed 31 assume(true) statements. [2024-11-13 23:10:01,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:01 BoogieIcfgContainer [2024-11-13 23:10:01,177 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:10:01,177 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:10:01,178 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:10:01,193 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:10:01,193 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:01" (1/1) ... [2024-11-13 23:10:01,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:10:01,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:01,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 76 states and 125 transitions. [2024-11-13 23:10:01,254 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 125 transitions. [2024-11-13 23:10:01,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:10:01,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:01,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:01,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:01,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:01,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 76 states and 120 transitions. [2024-11-13 23:10:01,509 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 120 transitions. [2024-11-13 23:10:01,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 23:10:01,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:01,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:01,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:01,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:01,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 79 states and 122 transitions. [2024-11-13 23:10:01,832 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 122 transitions. [2024-11-13 23:10:01,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 23:10:01,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:01,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:01,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:01,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:01,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 80 states and 123 transitions. [2024-11-13 23:10:01,892 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 123 transitions. [2024-11-13 23:10:01,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:10:01,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:01,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:02,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:02,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:02,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 84 states and 128 transitions. [2024-11-13 23:10:02,754 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 128 transitions. [2024-11-13 23:10:02,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:10:02,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:02,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:02,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:03,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:03,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 89 states and 134 transitions. [2024-11-13 23:10:03,134 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 134 transitions. [2024-11-13 23:10:03,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:10:03,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:03,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:03,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:03,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:03,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 90 states and 132 transitions. [2024-11-13 23:10:03,224 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2024-11-13 23:10:03,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:10:03,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:03,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:03,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:03,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:03,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 91 states and 130 transitions. [2024-11-13 23:10:03,293 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 130 transitions. [2024-11-13 23:10:03,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 23:10:03,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:03,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:03,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 23:10:03,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:03,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 79 states and 114 transitions. [2024-11-13 23:10:03,496 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2024-11-13 23:10:03,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 23:10:03,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:03,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:03,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:10:03,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:03,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 77 states and 112 transitions. [2024-11-13 23:10:03,648 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 112 transitions. [2024-11-13 23:10:03,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 23:10:03,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:03,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:03,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:03,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:03,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 82 states and 115 transitions. [2024-11-13 23:10:03,835 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2024-11-13 23:10:03,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 23:10:03,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:03,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:03,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:04,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:04,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 91 states and 127 transitions. [2024-11-13 23:10:04,661 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 127 transitions. [2024-11-13 23:10:04,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 23:10:04,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:04,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:04,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:05,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:05,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 93 states and 129 transitions. [2024-11-13 23:10:05,015 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 129 transitions. [2024-11-13 23:10:05,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:10:05,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:05,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:05,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:07,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:07,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 108 states and 150 transitions. [2024-11-13 23:10:07,057 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 150 transitions. [2024-11-13 23:10:07,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:10:07,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:07,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:07,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:07,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:07,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 110 states and 152 transitions. [2024-11-13 23:10:07,757 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 152 transitions. [2024-11-13 23:10:07,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 23:10:07,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:07,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:07,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:08,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:08,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 112 states and 155 transitions. [2024-11-13 23:10:08,434 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 155 transitions. [2024-11-13 23:10:08,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 23:10:08,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:08,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:08,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:10:10,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:10,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 122 states and 173 transitions. [2024-11-13 23:10:10,183 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 173 transitions. [2024-11-13 23:10:10,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 23:10:10,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:10,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:10,246 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 23:10:10,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:10,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 124 states and 177 transitions. [2024-11-13 23:10:10,363 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 177 transitions. [2024-11-13 23:10:10,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 23:10:10,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:10,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:10,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:10,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:10,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 125 states and 179 transitions. [2024-11-13 23:10:10,490 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 179 transitions. [2024-11-13 23:10:10,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 23:10:10,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:10,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:10,559 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 23:10:10,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:10,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 127 states and 183 transitions. [2024-11-13 23:10:10,597 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 183 transitions. [2024-11-13 23:10:10,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 23:10:10,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:10,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:11,651 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:13,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:13,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 145 states and 213 transitions. [2024-11-13 23:10:13,691 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 213 transitions. [2024-11-13 23:10:13,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 23:10:13,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:13,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:14,565 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:16,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:16,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 150 states and 225 transitions. [2024-11-13 23:10:16,325 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 225 transitions. [2024-11-13 23:10:16,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:10:16,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:16,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:16,678 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:18,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:18,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 160 states and 236 transitions. [2024-11-13 23:10:18,585 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 236 transitions. [2024-11-13 23:10:18,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:10:18,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:18,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:18,742 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:19,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:19,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 162 states and 238 transitions. [2024-11-13 23:10:19,209 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 238 transitions. [2024-11-13 23:10:19,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:10:19,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:19,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:20,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:24,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:24,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 184 states and 278 transitions. [2024-11-13 23:10:24,260 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 278 transitions. [2024-11-13 23:10:24,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 23:10:24,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:24,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:25,707 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:29,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:29,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 204 states and 310 transitions. [2024-11-13 23:10:29,899 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 310 transitions. [2024-11-13 23:10:29,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 23:10:29,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:29,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:30,758 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:32,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:32,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 212 states and 320 transitions. [2024-11-13 23:10:32,171 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 320 transitions. [2024-11-13 23:10:32,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 23:10:32,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:32,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:32,577 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:34,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:34,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 222 states and 338 transitions. [2024-11-13 23:10:34,663 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 338 transitions. [2024-11-13 23:10:34,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 23:10:34,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:34,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:34,762 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 23:10:36,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:36,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 230 states and 351 transitions. [2024-11-13 23:10:36,795 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 351 transitions. [2024-11-13 23:10:36,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 23:10:36,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:36,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:37,059 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:37,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:37,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 235 states and 359 transitions. [2024-11-13 23:10:37,884 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 359 transitions. [2024-11-13 23:10:37,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 23:10:37,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:37,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:39,378 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:41,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:41,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 244 states and 377 transitions. [2024-11-13 23:10:41,257 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 377 transitions. [2024-11-13 23:10:41,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 23:10:41,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:41,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:41,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:42,418 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:43,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:43,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 246 states and 381 transitions. [2024-11-13 23:10:43,293 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 381 transitions. [2024-11-13 23:10:43,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 23:10:43,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:43,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:44,279 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:50,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:50,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 265 states and 419 transitions. [2024-11-13 23:10:50,927 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 419 transitions. [2024-11-13 23:10:50,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 23:10:50,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:50,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:51,625 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:54,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:54,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 276 states and 438 transitions. [2024-11-13 23:10:54,467 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 438 transitions. [2024-11-13 23:10:54,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 23:10:54,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:54,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:54,703 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:55,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:55,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 278 states and 441 transitions. [2024-11-13 23:10:55,353 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 441 transitions. [2024-11-13 23:10:55,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 23:10:55,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:55,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:55,442 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:55,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:55,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 279 states and 444 transitions. [2024-11-13 23:10:55,476 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 444 transitions. [2024-11-13 23:10:55,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 23:10:55,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:55,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:57,718 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:03,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:03,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 303 states and 491 transitions. [2024-11-13 23:11:03,304 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 491 transitions. [2024-11-13 23:11:03,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 23:11:03,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:03,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:11:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:04,202 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:04,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:04,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 305 states and 495 transitions. [2024-11-13 23:11:04,922 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 495 transitions. [2024-11-13 23:11:04,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 23:11:04,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:04,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:11:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:06,540 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:14,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:14,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 325 states and 538 transitions. [2024-11-13 23:11:14,479 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 538 transitions. [2024-11-13 23:11:14,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 23:11:14,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:14,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:11:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:15,377 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:23,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:23,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 344 states and 572 transitions. [2024-11-13 23:11:23,192 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 572 transitions. [2024-11-13 23:11:23,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 23:11:23,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:23,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:11:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:24,334 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:25,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:25,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 345 states and 572 transitions. [2024-11-13 23:11:25,157 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 572 transitions. [2024-11-13 23:11:25,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 23:11:25,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:25,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:11:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:27,601 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:38,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:38,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 372 states and 629 transitions. [2024-11-13 23:11:38,676 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 629 transitions. [2024-11-13 23:11:38,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 23:11:38,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:38,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:11:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:40,494 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:43,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:43,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 379 states and 647 transitions. [2024-11-13 23:11:43,927 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 647 transitions. [2024-11-13 23:11:43,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 23:11:43,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:43,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:11:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:45,428 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:47,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:47,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 384 states and 671 transitions. [2024-11-13 23:11:47,414 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 671 transitions. [2024-11-13 23:11:47,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 23:11:47,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:47,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:11:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:47,754 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:11:49,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:49,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 386 states and 675 transitions. [2024-11-13 23:11:49,618 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 675 transitions. [2024-11-13 23:11:49,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 23:11:49,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:49,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:11:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:51,970 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:55,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:55,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 392 states and 695 transitions. [2024-11-13 23:11:55,027 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 695 transitions. [2024-11-13 23:11:55,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 23:11:55,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:55,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:11:55,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:11:55,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:11:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:11:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:11:56,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:11:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:11:57,597 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 46 iterations. [2024-11-13 23:11:57,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:11:57 ImpRootNode [2024-11-13 23:11:57,645 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:11:57,646 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:11:57,646 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:11:57,647 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:11:57,647 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:01" (3/4) ... [2024-11-13 23:11:57,648 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 23:11:57,703 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdaf4ac-6912-43d2-b7c3-3a23824995c2/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:11:57,703 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:11:57,704 INFO L158 Benchmark]: Toolchain (without parser) took 118054.58ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 91.4MB in the beginning and 620.0MB in the end (delta: -528.6MB). Peak memory consumption was 676.0MB. Max. memory is 16.1GB. [2024-11-13 23:11:57,704 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:11:57,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 564.26ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 73.1MB in the end (delta: 17.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:11:57,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.79ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 70.9MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:11:57,706 INFO L158 Benchmark]: Boogie Preprocessor took 59.10ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 69.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:11:57,706 INFO L158 Benchmark]: RCFGBuilder took 833.42ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 44.7MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:11:57,707 INFO L158 Benchmark]: CodeCheck took 116468.11ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 44.7MB in the beginning and 623.2MB in the end (delta: -578.4MB). Peak memory consumption was 634.1MB. Max. memory is 16.1GB. [2024-11-13 23:11:57,708 INFO L158 Benchmark]: Witness Printer took 56.82ms. Allocated memory is still 1.3GB. Free memory was 623.2MB in the beginning and 620.0MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:11:57,709 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: 116.4s, OverallIterations: 46, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17604 SdHoareTripleChecker+Valid, 111.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12502 mSDsluCounter, 17264 SdHoareTripleChecker+Invalid, 102.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15387 mSDsCounter, 3469 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22767 IncrementalHoareTripleChecker+Invalid, 26236 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3469 mSolverCounterUnsat, 1877 mSDtfsCounter, 22767 mSolverCounterSat, 1.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9691 GetRequests, 8712 SyntacticMatches, 305 SemanticMatches, 674 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256902 ImplicationChecksByTransitivity, 87.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 28.1s InterpolantComputationTime, 1110 NumberOfCodeBlocks, 1110 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 1025 ConstructedInterpolants, 0 QuantifiedInterpolants, 15966 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 45 InterpolantComputations, 14 PerfectInterpolantSequences, 53/503 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: 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={-4:0}, item={-4:0}, 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={-4:0}, item={-3:0}, status=1] [L1027] COND FALSE !(!(head != ((void*)0))) VAL [head={-4:0}, item={-3:0}, status=1] [L1028] COND FALSE !(!(item != ((void*)0))) VAL [head={-4:0}, item={-3:0}, 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={-4:0}, item={-2:0}, status=2] [L1027] COND FALSE !(!(head != ((void*)0))) VAL [head={-4:0}, item={-2:0}, status=2] [L1028] COND FALSE !(!(item != ((void*)0))) VAL [head={-4:0}, item={-2:0}, 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={-4:0}, item={-1:0}, status=3] [L1027] COND FALSE !(!(head != ((void*)0))) VAL [head={-4:0}, item={-1:0}, status=3] [L1028] COND FALSE !(!(item != ((void*)0))) VAL [head={-4:0}, item={-1:0}, status=3] [L1004] COND FALSE !(__VERIFIER_nondet_int()) [L1031] COND FALSE !(!(head != ((void*)0))) VAL [head={-4:0}, item={-1:0}, status=3] [L1032] COND FALSE !(status == 1) VAL [head={-4:0}, item={-1:0}, status=3] [L1037] COND FALSE !(status == 2) VAL [head={-4:0}, item={-1:0}, status=3] [L1043] COND TRUE status == 3 VAL [head={-4:0}, item={-1:0}, status=3] [L1045] COND FALSE !(!(head != ((void*)0))) VAL [head={-4:0}, item={-1:0}, status=3] [L1046] EXPR head->next VAL [head={-4:0}, item={-1:0}, status=3] [L1046] COND FALSE !(!(head->next != ((void*)0))) [L1047] EXPR head->next [L1047] EXPR head->next->next VAL [head={-4:0}, item={-1:0}, status=3] [L1047] COND FALSE !(!(head->next->next != ((void*)0))) [L1048] EXPR head->next [L1048] EXPR head->next->next [L1048] EXPR head->next->next->next VAL [head={-4:0}, item={-1:0}, status=3] [L1048] COND FALSE !(!(head->next->next->next != ((void*)0))) [L1049] EXPR head->next [L1049] EXPR head->next->next [L1049] EXPR head->next->next->next [L1049] EXPR head->next->next->next->data VAL [head={-4:0}, item={-1:0}, status=3] [L1049] COND TRUE !(head->next->next->next->data != 3) [L1049] reach_error() VAL [head={-4:0}, item={-1:0}, status=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 564.26ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 73.1MB in the end (delta: 17.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.79ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 70.9MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.10ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 69.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 833.42ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 44.7MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 116468.11ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 44.7MB in the beginning and 623.2MB in the end (delta: -578.4MB). Peak memory consumption was 634.1MB. Max. memory is 16.1GB. * Witness Printer took 56.82ms. Allocated memory is still 1.3GB. Free memory was 623.2MB in the beginning and 620.0MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 23:11:57,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdaf4ac-6912-43d2-b7c3-3a23824995c2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE