./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-queue-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-queue-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/bin/ukojak-verify-0OAaufAVZV --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 af4a0e4f738e916feae01fb2c2f056f4ba7834b8a7b8d69765614c5417c16c63 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:48:24,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:48:25,040 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:48:25,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:48:25,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:48:25,086 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:48:25,089 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:48:25,089 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:48:25,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:48:25,096 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:48:25,097 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:48:25,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:48:25,099 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:48:25,100 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:48:25,101 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:48:25,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:48:25,102 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:48:25,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:48:25,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:48:25,104 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:48:25,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:48:25,105 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:48:25,105 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:48:25,107 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:48:25,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:48:25,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:25,110 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:48:25,110 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:48:25,111 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:48:25,111 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:48:25,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:48:25,113 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:48:25,113 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af4a0e4f738e916feae01fb2c2f056f4ba7834b8a7b8d69765614c5417c16c63 [2023-11-11 23:48:25,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:48:25,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:48:25,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:48:25,492 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:48:25,493 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:48:25,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/forester-heap/sll-queue-2.i [2023-11-11 23:48:28,604 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:48:28,971 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:48:28,976 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i [2023-11-11 23:48:29,002 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/bin/ukojak-verify-0OAaufAVZV/data/a1bf03425/118841d596b94253a6a195a728f52996/FLAGc8fba68e4 [2023-11-11 23:48:29,022 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/bin/ukojak-verify-0OAaufAVZV/data/a1bf03425/118841d596b94253a6a195a728f52996 [2023-11-11 23:48:29,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:48:29,031 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:48:29,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:29,035 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:48:29,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:48:29,041 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:29" (1/1) ... [2023-11-11 23:48:29,042 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b56dda2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:29, skipping insertion in model container [2023-11-11 23:48:29,043 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:29" (1/1) ... [2023-11-11 23:48:29,091 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:48:29,445 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[22387,22400] [2023-11-11 23:48:29,452 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[22458,22471] [2023-11-11 23:48:29,461 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[22532,22545] [2023-11-11 23:48:29,462 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[22624,22637] [2023-11-11 23:48:29,463 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[22701,22714] [2023-11-11 23:48:29,464 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[22796,22809] [2023-11-11 23:48:29,466 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[22873,22886] [2023-11-11 23:48:29,467 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[22956,22969] [2023-11-11 23:48:29,468 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[23051,23064] [2023-11-11 23:48:29,470 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[23128,23141] [2023-11-11 23:48:29,471 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[23211,23224] [2023-11-11 23:48:29,477 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[23300,23313] [2023-11-11 23:48:29,481 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[23386,23399] [2023-11-11 23:48:29,486 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[23532,23545] [2023-11-11 23:48:29,495 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:29,511 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:48:29,567 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[22387,22400] [2023-11-11 23:48:29,568 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[22458,22471] [2023-11-11 23:48:29,569 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[22532,22545] [2023-11-11 23:48:29,570 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[22624,22637] [2023-11-11 23:48:29,571 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[22701,22714] [2023-11-11 23:48:29,572 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[22796,22809] [2023-11-11 23:48:29,573 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[22873,22886] [2023-11-11 23:48:29,574 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[22956,22969] [2023-11-11 23:48:29,576 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[23051,23064] [2023-11-11 23:48:29,577 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[23128,23141] [2023-11-11 23:48:29,578 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[23211,23224] [2023-11-11 23:48:29,580 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[23300,23313] [2023-11-11 23:48:29,581 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[23386,23399] [2023-11-11 23:48:29,583 WARN L240 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_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/sv-benchmarks/c/forester-heap/sll-queue-2.i[23532,23545] [2023-11-11 23:48:29,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:29,626 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:48:29,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:29 WrapperNode [2023-11-11 23:48:29,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:29,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:29,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:48:29,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:48:29,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:29" (1/1) ... [2023-11-11 23:48:29,656 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:29" (1/1) ... [2023-11-11 23:48:29,691 INFO L138 Inliner]: procedures = 119, calls = 35, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 220 [2023-11-11 23:48:29,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:29,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:48:29,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:48:29,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:48:29,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:29" (1/1) ... [2023-11-11 23:48:29,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:29" (1/1) ... [2023-11-11 23:48:29,711 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:29" (1/1) ... [2023-11-11 23:48:29,711 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:29" (1/1) ... [2023-11-11 23:48:29,723 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:29" (1/1) ... [2023-11-11 23:48:29,743 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:29" (1/1) ... [2023-11-11 23:48:29,746 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:29" (1/1) ... [2023-11-11 23:48:29,748 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:29" (1/1) ... [2023-11-11 23:48:29,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:48:29,753 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:48:29,756 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:48:29,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:48:29,757 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:29" (1/1) ... [2023-11-11 23:48:29,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:29,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:48:29,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:48:29,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fd0241-bbf7-4110-9a96-893a8d4b0f4c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:48:29,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:48:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:48:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:48:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:48:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:48:29,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:48:29,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:48:29,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:48:29,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:48:29,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:48:30,105 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:48:30,108 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:48:30,554 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:48:30,635 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:48:30,636 INFO L302 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-11 23:48:30,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:30 BoogieIcfgContainer [2023-11-11 23:48:30,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:48:30,640 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:48:30,640 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:48:30,652 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:48:30,652 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:30" (1/1) ... [2023-11-11 23:48:30,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:48:30,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:30,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 76 states and 125 transitions. [2023-11-11 23:48:30,725 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 125 transitions. [2023-11-11 23:48:30,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:48:30,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:30,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:30,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:30,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:30,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 76 states and 120 transitions. [2023-11-11 23:48:30,975 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 120 transitions. [2023-11-11 23:48:30,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:48:30,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:30,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:31,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:31,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:31,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 79 states and 122 transitions. [2023-11-11 23:48:31,212 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 122 transitions. [2023-11-11 23:48:31,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:48:31,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:31,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:31,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:31,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:31,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 80 states and 123 transitions. [2023-11-11 23:48:31,274 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 123 transitions. [2023-11-11 23:48:31,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:48:31,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:31,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:31,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:31,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:31,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 82 states and 124 transitions. [2023-11-11 23:48:31,455 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 124 transitions. [2023-11-11 23:48:31,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:48:31,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:31,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:31,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:31,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:31,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 87 states and 129 transitions. [2023-11-11 23:48:31,700 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions. [2023-11-11 23:48:31,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:48:31,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:31,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:31,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:31,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:31,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 88 states and 127 transitions. [2023-11-11 23:48:31,761 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 127 transitions. [2023-11-11 23:48:31,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:48:31,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:31,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:31,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:31,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:31,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 89 states and 125 transitions. [2023-11-11 23:48:31,855 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 125 transitions. [2023-11-11 23:48:31,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:48:31,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:31,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:31,926 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:48:31,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:31,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2023-11-11 23:48:31,975 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2023-11-11 23:48:31,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:48:31,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:31,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:32,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:48:32,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:32,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 107 transitions. [2023-11-11 23:48:32,140 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2023-11-11 23:48:32,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:48:32,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:32,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:32,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:32,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:32,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 80 states and 110 transitions. [2023-11-11 23:48:32,278 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 110 transitions. [2023-11-11 23:48:32,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:48:32,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:32,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:32,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:32,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:32,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 89 states and 119 transitions. [2023-11-11 23:48:32,847 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 119 transitions. [2023-11-11 23:48:32,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:48:32,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:32,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:33,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:33,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:33,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 104 states and 136 transitions. [2023-11-11 23:48:33,964 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 136 transitions. [2023-11-11 23:48:33,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:48:33,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:33,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:34,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:34,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:34,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 106 states and 139 transitions. [2023-11-11 23:48:34,477 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 139 transitions. [2023-11-11 23:48:34,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:48:34,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:34,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:34,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:48:34,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:34,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 109 states and 141 transitions. [2023-11-11 23:48:34,709 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 141 transitions. [2023-11-11 23:48:34,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:48:34,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:34,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:34,769 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-11 23:48:34,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:34,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 111 states and 145 transitions. [2023-11-11 23:48:34,882 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 145 transitions. [2023-11-11 23:48:34,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:48:34,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:34,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:35,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:35,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:35,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 112 states and 147 transitions. [2023-11-11 23:48:35,059 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 147 transitions. [2023-11-11 23:48:35,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:48:35,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:35,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:35,125 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-11 23:48:35,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:35,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 114 states and 151 transitions. [2023-11-11 23:48:35,164 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 151 transitions. [2023-11-11 23:48:35,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:48:35,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:35,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:35,693 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:36,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:36,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 134 states and 180 transitions. [2023-11-11 23:48:36,849 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 180 transitions. [2023-11-11 23:48:36,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:48:36,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:36,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:37,101 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:38,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:38,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 144 states and 189 transitions. [2023-11-11 23:48:38,047 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 189 transitions. [2023-11-11 23:48:38,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:48:38,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:38,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:38,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:41,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:41,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 166 states and 226 transitions. [2023-11-11 23:48:41,704 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 226 transitions. [2023-11-11 23:48:41,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:48:41,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:41,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:42,782 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:45,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:45,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 186 states and 253 transitions. [2023-11-11 23:48:45,932 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 253 transitions. [2023-11-11 23:48:45,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:48:45,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:45,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:46,342 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:47,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:47,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 196 states and 268 transitions. [2023-11-11 23:48:47,943 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 268 transitions. [2023-11-11 23:48:47,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:48:47,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:47,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:48,021 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-11 23:48:49,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:49,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 201 states and 278 transitions. [2023-11-11 23:48:49,825 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 278 transitions. [2023-11-11 23:48:49,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:48:49,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:49,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:50,926 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:52,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:52,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 212 states and 296 transitions. [2023-11-11 23:48:52,427 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 296 transitions. [2023-11-11 23:48:52,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:48:52,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:52,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:53,855 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:00,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:00,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 231 states and 332 transitions. [2023-11-11 23:49:00,201 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 332 transitions. [2023-11-11 23:49:00,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:49:00,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:00,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:00,852 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:03,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:03,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 124 states and 164 transitions. [2023-11-11 23:49:03,162 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 164 transitions. [2023-11-11 23:49:03,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:49:03,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:03,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:03,299 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:03,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:03,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 125 states and 167 transitions. [2023-11-11 23:49:03,338 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 167 transitions. [2023-11-11 23:49:03,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:49:03,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:03,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:05,459 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:09,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:09,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 143 states and 188 transitions. [2023-11-11 23:49:09,430 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 188 transitions. [2023-11-11 23:49:09,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:49:09,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:09,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:10,844 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.