./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-queue-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:36:53,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:36:53,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:36:53,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:36:53,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:36:53,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:36:53,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:36:53,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:36:53,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:36:53,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:36:53,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:36:53,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:36:53,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:36:53,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:36:53,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:36:53,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:36:53,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:36:53,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:36:53,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:36:53,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:36:53,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:36:53,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:36:53,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:36:53,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:36:53,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:36:53,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:36:53,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:36:53,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:36:53,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:36:53,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:36:53,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:36:53,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:36:53,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:36:53,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:36:53,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:36:53,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:36:53,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:36:53,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:36:53,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:36:53,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:36:53,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:36:53,609 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:36:53,645 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:36:53,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:36:53,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:36:53,648 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:36:53,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:36:53,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:36:53,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:36:53,649 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:36:53,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:36:53,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:36:53,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:36:53,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:36:53,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:36:53,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:36:53,652 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:36:53,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:36:53,653 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:36:53,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:36:53,653 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:36:53,653 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:36:53,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:36:53,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:53,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:36:53,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:36:53,654 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:36:53,655 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:36:53,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:36:53,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:36:53,657 INFO L138 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af4a0e4f738e916feae01fb2c2f056f4ba7834b8a7b8d69765614c5417c16c63 [2022-10-17 16:36:53,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:36:53,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:36:53,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:36:53,952 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:36:53,954 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:36:53,955 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/forester-heap/sll-queue-2.i [2022-10-17 16:36:54,055 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/bin/ukojak-92XMlrwhuB/data/6ae5272f3/e5a842b8b9664701b45cfcffe9a7f0ce/FLAG9661e08ac [2022-10-17 16:36:54,632 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:36:54,633 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i [2022-10-17 16:36:54,646 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/bin/ukojak-92XMlrwhuB/data/6ae5272f3/e5a842b8b9664701b45cfcffe9a7f0ce/FLAG9661e08ac [2022-10-17 16:36:54,888 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/bin/ukojak-92XMlrwhuB/data/6ae5272f3/e5a842b8b9664701b45cfcffe9a7f0ce [2022-10-17 16:36:54,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:36:54,892 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:36:54,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:54,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:36:54,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:36:54,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:54" (1/1) ... [2022-10-17 16:36:54,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc003ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:54, skipping insertion in model container [2022-10-17 16:36:54,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:54" (1/1) ... [2022-10-17 16:36:54,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:36:54,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:36:55,303 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[22387,22400] [2022-10-17 16:36:55,309 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[22458,22471] [2022-10-17 16:36:55,310 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[22532,22545] [2022-10-17 16:36:55,312 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[22624,22637] [2022-10-17 16:36:55,314 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[22701,22714] [2022-10-17 16:36:55,317 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[22796,22809] [2022-10-17 16:36:55,320 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[22873,22886] [2022-10-17 16:36:55,323 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[22956,22969] [2022-10-17 16:36:55,325 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[23051,23064] [2022-10-17 16:36:55,328 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[23128,23141] [2022-10-17 16:36:55,330 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[23211,23224] [2022-10-17 16:36:55,332 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[23300,23313] [2022-10-17 16:36:55,334 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[23386,23399] [2022-10-17 16:36:55,337 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[23532,23545] [2022-10-17 16:36:55,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:55,357 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:36:55,404 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[22387,22400] [2022-10-17 16:36:55,405 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[22458,22471] [2022-10-17 16:36:55,406 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[22532,22545] [2022-10-17 16:36:55,407 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[22624,22637] [2022-10-17 16:36:55,408 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[22701,22714] [2022-10-17 16:36:55,409 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[22796,22809] [2022-10-17 16:36:55,410 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[22873,22886] [2022-10-17 16:36:55,411 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[22956,22969] [2022-10-17 16:36:55,413 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[23051,23064] [2022-10-17 16:36:55,413 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[23128,23141] [2022-10-17 16:36:55,414 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[23211,23224] [2022-10-17 16:36:55,416 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[23300,23313] [2022-10-17 16:36:55,417 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[23386,23399] [2022-10-17 16:36:55,418 WARN L230 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_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/sv-benchmarks/c/forester-heap/sll-queue-2.i[23532,23545] [2022-10-17 16:36:55,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:55,466 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:36:55,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:55 WrapperNode [2022-10-17 16:36:55,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:55,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:55,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:36:55,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:36:55,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:55" (1/1) ... [2022-10-17 16:36:55,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:55" (1/1) ... [2022-10-17 16:36:55,521 INFO L138 Inliner]: procedures = 119, calls = 35, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 219 [2022-10-17 16:36:55,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:55,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:36:55,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:36:55,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:36:55,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:55" (1/1) ... [2022-10-17 16:36:55,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:55" (1/1) ... [2022-10-17 16:36:55,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:55" (1/1) ... [2022-10-17 16:36:55,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:55" (1/1) ... [2022-10-17 16:36:55,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:55" (1/1) ... [2022-10-17 16:36:55,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:55" (1/1) ... [2022-10-17 16:36:55,573 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:55" (1/1) ... [2022-10-17 16:36:55,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:55" (1/1) ... [2022-10-17 16:36:55,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:36:55,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:36:55,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:36:55,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:36:55,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:55" (1/1) ... [2022-10-17 16:36:55,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:55,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:36:55,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:36:55,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7946e4b-31cb-49d0-869e-1ff5a230e1ea/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:36:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:36:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:36:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:36:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:36:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:36:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:36:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:36:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:36:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:36:55,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:36:55,779 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:36:55,782 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:36:56,158 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:36:56,278 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:36:56,278 INFO L300 CfgBuilder]: Removed 31 assume(true) statements. [2022-10-17 16:36:56,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:56 BoogieIcfgContainer [2022-10-17 16:36:56,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:36:56,282 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:36:56,282 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:36:56,298 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:36:56,299 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:56" (1/1) ... [2022-10-17 16:36:56,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:36:56,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:56,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 76 states and 125 transitions. [2022-10-17 16:36:56,381 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 125 transitions. [2022-10-17 16:36:56,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:36:56,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:56,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:56,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:56,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:56,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 76 states and 120 transitions. [2022-10-17 16:36:56,659 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 120 transitions. [2022-10-17 16:36:56,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:36:56,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:56,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:56,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:56,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:56,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 79 states and 122 transitions. [2022-10-17 16:36:56,937 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 122 transitions. [2022-10-17 16:36:56,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:36:56,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:56,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:56,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:57,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:57,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 80 states and 123 transitions. [2022-10-17 16:36:57,011 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 123 transitions. [2022-10-17 16:36:57,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:36:57,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:57,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:57,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:57,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:57,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 82 states and 124 transitions. [2022-10-17 16:36:57,243 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 124 transitions. [2022-10-17 16:36:57,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:36:57,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:57,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:57,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:57,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:57,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 87 states and 129 transitions. [2022-10-17 16:36:57,466 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions. [2022-10-17 16:36:57,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:36:57,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:57,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:57,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:57,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:57,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 88 states and 127 transitions. [2022-10-17 16:36:57,554 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 127 transitions. [2022-10-17 16:36:57,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:36:57,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:57,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:57,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:57,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:57,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 89 states and 125 transitions. [2022-10-17 16:36:57,609 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 125 transitions. [2022-10-17 16:36:57,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:36:57,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:57,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:57,702 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:36:57,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:57,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2022-10-17 16:36:57,753 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2022-10-17 16:36:57,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:36:57,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:57,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:57,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:36:57,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:57,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 107 transitions. [2022-10-17 16:36:57,894 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2022-10-17 16:36:57,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:36:57,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:57,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:58,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:58,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:58,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 80 states and 110 transitions. [2022-10-17 16:36:58,079 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 110 transitions. [2022-10-17 16:36:58,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:36:58,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:58,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:58,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:58,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:58,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 89 states and 119 transitions. [2022-10-17 16:36:58,527 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 119 transitions. [2022-10-17 16:36:58,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:36:58,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:58,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:58,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:59,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:59,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 104 states and 136 transitions. [2022-10-17 16:36:59,595 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 136 transitions. [2022-10-17 16:36:59,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:36:59,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:59,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:59,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:59,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:59,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 106 states and 139 transitions. [2022-10-17 16:36:59,999 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 139 transitions. [2022-10-17 16:37:00,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:37:00,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:00,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:00,068 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:37:00,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:00,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 109 states and 141 transitions. [2022-10-17 16:37:00,188 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 141 transitions. [2022-10-17 16:37:00,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:37:00,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:00,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:00,256 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:37:00,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:00,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 111 states and 145 transitions. [2022-10-17 16:37:00,332 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 145 transitions. [2022-10-17 16:37:00,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:37:00,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:00,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:00,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:00,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:00,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 112 states and 149 transitions. [2022-10-17 16:37:00,546 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 149 transitions. [2022-10-17 16:37:00,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:37:00,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:00,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:00,713 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:01,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:01,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 122 states and 160 transitions. [2022-10-17 16:37:01,263 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 160 transitions. [2022-10-17 16:37:01,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:37:01,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:01,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:01,989 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:02,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:02,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 142 states and 184 transitions. [2022-10-17 16:37:02,960 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 184 transitions. [2022-10-17 16:37:02,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:37:02,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:02,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:03,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:06,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:06,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 164 states and 222 transitions. [2022-10-17 16:37:06,699 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 222 transitions. [2022-10-17 16:37:06,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:37:06,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:06,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:08,033 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:10,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:10,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 187 states and 252 transitions. [2022-10-17 16:37:10,576 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 252 transitions. [2022-10-17 16:37:10,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:37:10,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:10,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:10,645 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:37:10,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:10,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 189 states and 257 transitions. [2022-10-17 16:37:10,878 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 257 transitions. [2022-10-17 16:37:10,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:37:10,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:10,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:11,057 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:12,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:12,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 194 states and 267 transitions. [2022-10-17 16:37:12,536 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 267 transitions. [2022-10-17 16:37:12,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:37:12,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:12,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:13,882 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:16,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:16,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 215 states and 304 transitions. [2022-10-17 16:37:16,265 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 304 transitions. [2022-10-17 16:37:16,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:37:16,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:16,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:17,655 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:22,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:22,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 234 states and 342 transitions. [2022-10-17 16:37:22,821 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 342 transitions. [2022-10-17 16:37:22,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:37:22,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:22,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:23,497 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.