./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-queue-1.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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-queue-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/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 a9a441ad5f70efa202eb02609b90cbc83f5bf4487618c2a09bffcfe320d65f90 --- 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 17:05:23,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:05:23,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:05:23,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:05:23,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:05:23,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:05:23,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:05:23,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:05:23,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:05:23,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:05:23,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:05:23,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:05:23,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:05:23,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:05:23,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:05:23,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:05:23,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:05:23,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:05:23,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:05:23,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:05:23,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:05:23,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:05:23,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:05:23,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:05:23,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:05:23,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:05:23,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:05:23,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:05:23,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:05:23,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:05:23,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:05:23,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:05:23,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:05:23,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:05:23,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:05:23,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:05:23,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:05:23,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:05:23,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:05:23,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:05:23,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:05:23,923 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:05:23,967 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:05:23,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:05:23,969 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:05:23,969 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:05:23,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:05:23,970 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:05:23,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:05:23,971 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:05:23,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:05:23,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:05:23,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:05:23,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:05:23,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:05:23,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:05:23,975 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:05:23,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:05:23,976 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:05:23,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:05:23,976 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:05:23,976 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:05:23,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:05:23,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:23,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:05:23,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:05:23,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:05:23,985 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:05:23,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:05:23,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:05:23,986 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9a441ad5f70efa202eb02609b90cbc83f5bf4487618c2a09bffcfe320d65f90 [2022-10-17 17:05:24,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:05:24,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:05:24,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:05:24,281 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:05:24,282 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:05:24,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/forester-heap/sll-queue-1.i [2022-10-17 17:05:24,351 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/bin/ukojak-92XMlrwhuB/data/ac4b7c908/e2edb9474c7d4925914f8cf4ac49910a/FLAGa7a5f3335 [2022-10-17 17:05:24,865 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:05:24,866 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i [2022-10-17 17:05:24,885 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/bin/ukojak-92XMlrwhuB/data/ac4b7c908/e2edb9474c7d4925914f8cf4ac49910a/FLAGa7a5f3335 [2022-10-17 17:05:25,184 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/bin/ukojak-92XMlrwhuB/data/ac4b7c908/e2edb9474c7d4925914f8cf4ac49910a [2022-10-17 17:05:25,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:05:25,192 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:05:25,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:25,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:05:25,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:05:25,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:25" (1/1) ... [2022-10-17 17:05:25,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@578621fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:25, skipping insertion in model container [2022-10-17 17:05:25,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:25" (1/1) ... [2022-10-17 17:05:25,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:05:25,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:05:25,632 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22387,22400] [2022-10-17 17:05:25,638 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22458,22471] [2022-10-17 17:05:25,639 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22532,22545] [2022-10-17 17:05:25,641 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22624,22637] [2022-10-17 17:05:25,642 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22701,22714] [2022-10-17 17:05:25,645 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22796,22809] [2022-10-17 17:05:25,647 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22873,22886] [2022-10-17 17:05:25,652 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22956,22969] [2022-10-17 17:05:25,654 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[23051,23064] [2022-10-17 17:05:25,657 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[23128,23141] [2022-10-17 17:05:25,658 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[23211,23224] [2022-10-17 17:05:25,661 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[23300,23313] [2022-10-17 17:05:25,663 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[23386,23399] [2022-10-17 17:05:25,666 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[23532,23545] [2022-10-17 17:05:25,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:25,686 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:05:25,740 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22387,22400] [2022-10-17 17:05:25,741 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22458,22471] [2022-10-17 17:05:25,742 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22532,22545] [2022-10-17 17:05:25,743 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22624,22637] [2022-10-17 17:05:25,744 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22701,22714] [2022-10-17 17:05:25,745 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22796,22809] [2022-10-17 17:05:25,746 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22873,22886] [2022-10-17 17:05:25,747 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22956,22969] [2022-10-17 17:05:25,748 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[23051,23064] [2022-10-17 17:05:25,749 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[23128,23141] [2022-10-17 17:05:25,750 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[23211,23224] [2022-10-17 17:05:25,751 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[23300,23313] [2022-10-17 17:05:25,752 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[23386,23399] [2022-10-17 17:05:25,754 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_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/sv-benchmarks/c/forester-heap/sll-queue-1.i[23532,23545] [2022-10-17 17:05:25,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:25,783 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:05:25,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:25 WrapperNode [2022-10-17 17:05:25,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:25,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:25,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:05:25,785 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:05:25,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:25" (1/1) ... [2022-10-17 17:05:25,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:25" (1/1) ... [2022-10-17 17:05:25,870 INFO L138 Inliner]: procedures = 119, calls = 35, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 219 [2022-10-17 17:05:25,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:25,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:05:25,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:05:25,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:05:25,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:25" (1/1) ... [2022-10-17 17:05:25,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:25" (1/1) ... [2022-10-17 17:05:25,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:25" (1/1) ... [2022-10-17 17:05:25,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:25" (1/1) ... [2022-10-17 17:05:25,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:25" (1/1) ... [2022-10-17 17:05:25,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:25" (1/1) ... [2022-10-17 17:05:25,926 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:25" (1/1) ... [2022-10-17 17:05:25,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:25" (1/1) ... [2022-10-17 17:05:25,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:05:25,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:05:25,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:05:25,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:05:25,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:25" (1/1) ... [2022-10-17 17:05:25,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:25,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:05:25,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:05:26,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e58a0d9-bb2b-427d-a826-15cdd70fe50f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:05:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:05:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:05:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:05:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:05:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:05:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:05:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:05:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:05:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:05:26,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:05:26,224 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:05:26,227 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:05:26,586 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:05:26,673 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:05:26,673 INFO L300 CfgBuilder]: Removed 31 assume(true) statements. [2022-10-17 17:05:26,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:26 BoogieIcfgContainer [2022-10-17 17:05:26,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:05:26,682 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:05:26,683 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:05:26,694 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:05:26,694 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:26" (1/1) ... [2022-10-17 17:05:26,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:05:26,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:26,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 76 states and 125 transitions. [2022-10-17 17:05:26,792 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 125 transitions. [2022-10-17 17:05:26,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 17:05:26,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:26,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:26,945 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 17:05:26,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:26,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 76 states and 120 transitions. [2022-10-17 17:05:26,964 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 120 transitions. [2022-10-17 17:05:26,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:05:26,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:26,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:27,096 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 17:05:27,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:27,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 79 states and 122 transitions. [2022-10-17 17:05:27,164 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 122 transitions. [2022-10-17 17:05:27,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:05:27,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:27,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:27,213 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 17:05:27,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:27,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 80 states and 123 transitions. [2022-10-17 17:05:27,224 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 123 transitions. [2022-10-17 17:05:27,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:05:27,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:27,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:27,327 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 17:05:27,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:27,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 82 states and 124 transitions. [2022-10-17 17:05:27,400 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 124 transitions. [2022-10-17 17:05:27,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:05:27,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:27,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:27,465 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 17:05:27,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:27,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 87 states and 129 transitions. [2022-10-17 17:05:27,593 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions. [2022-10-17 17:05:27,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:05:27,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:27,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:27,675 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 17:05:27,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:27,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 88 states and 127 transitions. [2022-10-17 17:05:27,696 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 127 transitions. [2022-10-17 17:05:27,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:05:27,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:27,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:27,764 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 17:05:27,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:27,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 89 states and 125 transitions. [2022-10-17 17:05:27,788 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 125 transitions. [2022-10-17 17:05:27,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:05:27,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:27,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:27,942 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 17:05:27,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:27,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2022-10-17 17:05:27,996 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2022-10-17 17:05:27,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:05:27,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:27,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:28,078 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 17:05:28,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:28,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 107 transitions. [2022-10-17 17:05:28,134 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2022-10-17 17:05:28,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:05:28,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:28,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:28,265 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 17:05:28,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:28,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 80 states and 110 transitions. [2022-10-17 17:05:28,320 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 110 transitions. [2022-10-17 17:05:28,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:05:28,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:28,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:28,460 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 17:05:28,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:28,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 89 states and 119 transitions. [2022-10-17 17:05:28,817 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 119 transitions. [2022-10-17 17:05:28,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:05:28,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:28,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:29,146 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 17:05:29,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:29,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 104 states and 136 transitions. [2022-10-17 17:05:29,818 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 136 transitions. [2022-10-17 17:05:29,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:05:29,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:29,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:29,903 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 17:05:30,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:30,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 106 states and 139 transitions. [2022-10-17 17:05:30,271 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 139 transitions. [2022-10-17 17:05:30,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:05:30,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:30,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:30,340 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 17:05:30,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:30,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 109 states and 141 transitions. [2022-10-17 17:05:30,447 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 141 transitions. [2022-10-17 17:05:30,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:05:30,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:30,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:30,515 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 17:05:30,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:30,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 111 states and 145 transitions. [2022-10-17 17:05:30,590 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 145 transitions. [2022-10-17 17:05:30,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:05:30,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:30,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:30,715 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 17:05:30,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:30,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 112 states and 149 transitions. [2022-10-17 17:05:30,836 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 149 transitions. [2022-10-17 17:05:30,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:05:30,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:30,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:31,055 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 17:05:31,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:31,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 122 states and 160 transitions. [2022-10-17 17:05:31,632 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 160 transitions. [2022-10-17 17:05:31,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 17:05:31,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:31,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:32,312 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 17:05:33,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:33,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 142 states and 184 transitions. [2022-10-17 17:05:33,304 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 184 transitions. [2022-10-17 17:05:33,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:05:33,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:33,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:33,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:34,190 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 17:05:37,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:37,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 164 states and 222 transitions. [2022-10-17 17:05:37,284 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 222 transitions. [2022-10-17 17:05:37,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 17:05:37,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:37,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:38,555 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 17:05:40,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:40,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 187 states and 252 transitions. [2022-10-17 17:05:40,998 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 252 transitions. [2022-10-17 17:05:40,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 17:05:40,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:40,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:41,075 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 17:05:41,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:41,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 189 states and 257 transitions. [2022-10-17 17:05:41,300 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 257 transitions. [2022-10-17 17:05:41,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 17:05:41,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:41,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:41,444 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 17:05:42,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:42,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 194 states and 267 transitions. [2022-10-17 17:05:42,954 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 267 transitions. [2022-10-17 17:05:42,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 17:05:42,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:42,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:44,455 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 17:05:46,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:46,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 215 states and 304 transitions. [2022-10-17 17:05:46,979 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 304 transitions. [2022-10-17 17:05:46,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 17:05:46,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:46,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:48,323 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 17:05:53,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:53,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 234 states and 342 transitions. [2022-10-17 17:05:53,607 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 342 transitions. [2022-10-17 17:05:53,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:05:53,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:53,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat