./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3be4ac024b7f357f41d231fb5742f86a984717c473cc6044544e39e88c4f03b3 --- 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-2329fc7 [2022-12-13 13:42:10,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:42:10,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:42:10,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:42:10,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:42:10,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:42:10,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:42:10,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:42:10,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:42:10,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:42:10,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:42:10,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:42:10,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:42:10,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:42:10,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:42:10,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:42:10,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:42:10,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:42:10,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:42:10,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:42:10,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:42:10,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:42:10,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:42:10,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:42:10,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:42:10,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:42:10,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:42:10,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:42:10,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:42:10,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:42:10,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:42:10,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:42:10,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:42:10,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:42:10,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:42:10,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:42:10,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:42:10,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:42:10,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:42:10,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:42:10,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:42:10,457 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 13:42:10,477 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:42:10,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:42:10,478 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:42:10,478 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:42:10,478 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:42:10,479 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:42:10,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:42:10,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:42:10,480 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:42:10,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:42:10,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:42:10,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:42:10,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:42:10,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:42:10,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:42:10,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:42:10,481 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:42:10,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:42:10,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:42:10,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:42:10,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:42:10,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:42:10,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:42:10,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:42:10,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:42:10,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:42:10,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:42:10,483 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:42:10,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:42:10,483 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:42:10,484 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:42:10,484 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:42:10,484 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be4ac024b7f357f41d231fb5742f86a984717c473cc6044544e39e88c4f03b3 [2022-12-13 13:42:10,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:42:10,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:42:10,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:42:10,721 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:42:10,721 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:42:10,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i [2022-12-13 13:42:13,233 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:42:13,578 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:42:13,579 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i [2022-12-13 13:42:13,599 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/data/537db6c7d/64ee354466294f859a65cf59272373c5/FLAGe811827ca [2022-12-13 13:42:13,612 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/data/537db6c7d/64ee354466294f859a65cf59272373c5 [2022-12-13 13:42:13,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:42:13,615 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:42:13,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:42:13,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:42:13,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:42:13,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:42:13" (1/1) ... [2022-12-13 13:42:13,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7419530a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:13, skipping insertion in model container [2022-12-13 13:42:13,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:42:13" (1/1) ... [2022-12-13 13:42:13,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:42:13,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:42:14,300 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 13:42:14,321 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 13:42:14,345 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 13:42:14,427 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 13:42:14,484 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-13 13:42:14,488 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-13 13:42:14,566 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 13:42:14,570 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 13:42:14,570 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 13:42:14,576 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 13:42:14,581 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-13 13:42:14,586 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-13 13:42:14,603 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 13:42:14,622 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-13 13:42:14,719 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 13:42:14,741 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 13:42:14,830 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:14,830 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:14,831 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-12-13 13:42:14,864 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:14,865 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:14,865 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:14,869 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:14,870 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:14,871 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:14,871 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:14,871 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:14,875 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,876 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,876 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,877 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,877 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,878 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,882 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,883 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,884 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,886 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,888 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,891 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,891 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,895 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,895 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,896 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,896 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,902 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,906 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,907 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,908 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,908 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,908 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,909 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,910 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-13 13:42:14,911 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,911 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,911 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,912 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,916 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,917 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,918 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,918 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,919 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,920 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,920 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,921 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,921 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,922 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,926 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,927 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,927 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,929 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,929 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,930 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,931 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,931 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,932 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:14,935 WARN L623 FunctionHandler]: Unknown extern function PDE_DATA [2022-12-13 13:42:14,936 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-13 13:42:14,942 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:14,942 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:14,943 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:14,943 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:14,944 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:14,949 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:14,949 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:14,965 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:42:14,966 WARN L623 FunctionHandler]: Unknown extern function crc_ccitt [2022-12-13 13:42:14,967 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:42:14,968 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:14,968 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:14,969 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 13:42:14,969 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 13:42:14,969 WARN L623 FunctionHandler]: Unknown extern function netif_rx_ni [2022-12-13 13:42:14,973 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:14,974 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:14,981 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-13 13:42:14,981 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:14,982 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:14,987 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:42:14,998 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:42:14,999 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,000 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,002 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:42:15,002 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:15,003 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,003 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,005 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,005 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,012 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-13 13:42:15,012 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 13:42:15,013 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-12-13 13:42:15,013 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,013 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,016 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:42:15,017 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:42:15,018 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,018 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,026 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:42:15,027 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:42:15,033 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:42:15,037 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:15,038 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:15,038 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,039 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,040 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:42:15,052 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,052 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,058 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 13:42:15,058 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 13:42:15,058 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-13 13:42:15,063 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 13:42:15,067 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,067 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,072 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 13:42:15,073 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 13:42:15,073 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-12-13 13:42:15,074 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,074 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,079 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,079 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,083 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 13:42:15,083 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,084 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,084 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,085 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,085 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 13:42:15,085 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-12-13 13:42:15,086 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-13 13:42:15,086 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,086 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,087 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-12-13 13:42:15,087 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 13:42:15,091 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-12-13 13:42:15,091 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 13:42:15,092 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,092 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,096 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,097 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,097 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-12-13 13:42:15,097 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-12-13 13:42:15,101 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 13:42:15,102 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,102 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,103 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,103 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,113 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-12-13 13:42:15,114 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,114 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,115 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:42:15,115 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 13:42:15,115 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 13:42:15,116 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,116 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,117 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-12-13 13:42:15,117 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,117 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,118 WARN L623 FunctionHandler]: Unknown extern function proc_set_size [2022-12-13 13:42:15,118 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,118 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,119 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:15,119 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:15,119 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 13:42:15,122 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,123 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,123 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 13:42:15,123 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-13 13:42:15,124 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:15,124 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,124 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,128 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,128 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,128 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 13:42:15,129 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-13 13:42:15,129 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-13 13:42:15,129 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,129 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,130 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:15,130 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 13:42:15,130 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-13 13:42:15,131 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-13 13:42:15,131 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-13 13:42:15,131 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:15,135 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,135 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,135 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 13:42:15,136 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:15,136 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,136 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,136 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-13 13:42:15,137 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,137 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,137 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:15,137 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-13 13:42:15,138 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-13 13:42:15,138 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:15,142 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,142 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,143 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,143 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,144 WARN L623 FunctionHandler]: Unknown extern function proc_mkdir [2022-12-13 13:42:15,145 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-13 13:42:15,148 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-13 13:42:15,175 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 13:42:15,175 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-13 13:42:15,176 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-13 13:42:15,176 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-13 13:42:15,179 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_3 [2022-12-13 13:42:15,179 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_3 [2022-12-13 13:42:15,181 WARN L623 FunctionHandler]: Unknown extern function ldv_suspend_late_2 [2022-12-13 13:42:15,181 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_2 [2022-12-13 13:42:15,182 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_2 [2022-12-13 13:42:15,182 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_2 [2022-12-13 13:42:15,182 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_2 [2022-12-13 13:42:15,182 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_2 [2022-12-13 13:42:15,183 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_2 [2022-12-13 13:42:15,183 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-13 13:42:15,186 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 13:42:15,186 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 13:42:15,187 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 13:42:15,187 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 13:42:15,187 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 13:42:15,188 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 13:42:15,188 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 13:42:15,188 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 13:42:15,192 WARN L237 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_e819445b-f6ca-4dec-9c7f-bc62a677ac92/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i[293856,293869] [2022-12-13 13:42:15,213 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-13 13:42:15,228 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-12-13 13:42:15,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:42:15,257 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:42:15,352 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 13:42:15,353 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 13:42:15,354 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 13:42:15,356 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 13:42:15,358 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-13 13:42:15,360 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-13 13:42:15,365 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 13:42:15,366 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 13:42:15,366 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 13:42:15,368 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 13:42:15,369 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-13 13:42:15,370 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-13 13:42:15,370 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 13:42:15,372 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-13 13:42:15,375 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 13:42:15,376 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 13:42:15,379 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,379 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,380 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-12-13 13:42:15,383 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,383 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,384 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,384 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,385 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,385 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,385 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,386 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,387 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,387 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,387 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,387 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,388 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,388 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,389 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,391 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,391 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,392 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,394 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,396 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,396 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,398 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,399 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,399 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,400 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,403 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,405 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,406 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,406 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,407 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,407 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,407 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,408 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-13 13:42:15,408 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,409 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,409 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,409 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,410 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,411 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,411 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,412 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,412 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,413 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,413 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,413 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,414 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,414 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,415 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,415 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,416 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,416 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,417 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,417 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,418 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,418 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,418 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:42:15,419 WARN L623 FunctionHandler]: Unknown extern function PDE_DATA [2022-12-13 13:42:15,419 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-13 13:42:15,421 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,421 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,421 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:15,422 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:15,422 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:15,423 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:15,423 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:15,427 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:42:15,428 WARN L623 FunctionHandler]: Unknown extern function crc_ccitt [2022-12-13 13:42:15,429 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:42:15,429 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,429 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,433 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 13:42:15,433 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 13:42:15,433 WARN L623 FunctionHandler]: Unknown extern function netif_rx_ni [2022-12-13 13:42:15,434 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,435 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,437 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-13 13:42:15,437 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,437 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,439 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:42:15,442 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:42:15,442 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,443 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,444 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:42:15,444 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:15,445 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,445 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,446 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,446 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,448 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-13 13:42:15,449 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 13:42:15,449 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-12-13 13:42:15,449 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,450 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,451 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:42:15,452 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:42:15,452 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,452 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,455 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:42:15,456 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:42:15,458 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:42:15,459 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:15,460 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:15,460 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,460 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,461 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:42:15,463 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,463 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,465 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 13:42:15,465 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 13:42:15,465 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-13 13:42:15,466 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 13:42:15,467 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,467 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,468 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 13:42:15,469 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 13:42:15,469 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-12-13 13:42:15,469 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,470 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,480 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,481 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,481 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 13:42:15,482 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,482 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,483 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,483 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,483 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 13:42:15,484 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-12-13 13:42:15,484 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-13 13:42:15,484 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,485 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,485 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-12-13 13:42:15,485 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 13:42:15,486 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-12-13 13:42:15,486 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 13:42:15,486 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,487 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,488 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,488 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,488 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-12-13 13:42:15,488 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-12-13 13:42:15,490 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 13:42:15,490 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,490 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,491 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,491 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,491 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-12-13 13:42:15,491 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,492 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,492 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:42:15,492 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 13:42:15,492 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 13:42:15,493 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,493 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,493 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-12-13 13:42:15,493 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,493 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,494 WARN L623 FunctionHandler]: Unknown extern function proc_set_size [2022-12-13 13:42:15,494 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,494 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,494 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:15,495 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:15,495 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 13:42:15,495 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,496 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,496 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 13:42:15,496 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-13 13:42:15,496 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:15,496 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,497 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,497 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,498 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,498 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 13:42:15,498 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-13 13:42:15,498 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-13 13:42:15,499 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,499 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,499 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:15,499 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 13:42:15,499 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-13 13:42:15,500 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-13 13:42:15,500 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-13 13:42:15,500 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:15,500 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,501 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,501 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 13:42:15,501 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:15,501 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,501 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,501 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-13 13:42:15,502 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,502 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,502 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:15,502 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-13 13:42:15,502 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-13 13:42:15,502 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:15,503 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,503 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,504 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 13:42:15,504 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:15,504 WARN L623 FunctionHandler]: Unknown extern function proc_mkdir [2022-12-13 13:42:15,505 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-13 13:42:15,505 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-13 13:42:15,508 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 13:42:15,508 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-13 13:42:15,508 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-13 13:42:15,509 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-13 13:42:15,510 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_3 [2022-12-13 13:42:15,511 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_3 [2022-12-13 13:42:15,512 WARN L623 FunctionHandler]: Unknown extern function ldv_suspend_late_2 [2022-12-13 13:42:15,512 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_2 [2022-12-13 13:42:15,512 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_2 [2022-12-13 13:42:15,512 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_2 [2022-12-13 13:42:15,513 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_2 [2022-12-13 13:42:15,513 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_2 [2022-12-13 13:42:15,513 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_2 [2022-12-13 13:42:15,513 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-13 13:42:15,515 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 13:42:15,515 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 13:42:15,516 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 13:42:15,516 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 13:42:15,516 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 13:42:15,516 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 13:42:15,516 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 13:42:15,517 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 13:42:15,517 WARN L237 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_e819445b-f6ca-4dec-9c7f-bc62a677ac92/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i[293856,293869] [2022-12-13 13:42:15,518 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-13 13:42:15,519 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-12-13 13:42:15,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:42:15,567 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:42:15,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:15 WrapperNode [2022-12-13 13:42:15,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:42:15,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:42:15,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:42:15,568 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:42:15,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:15" (1/1) ... [2022-12-13 13:42:15,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:15" (1/1) ... [2022-12-13 13:42:15,704 INFO L138 Inliner]: procedures = 275, calls = 2222, calls flagged for inlining = 131, calls inlined = 123, statements flattened = 4838 [2022-12-13 13:42:15,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:42:15,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:42:15,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:42:15,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:42:15,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:15" (1/1) ... [2022-12-13 13:42:15,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:15" (1/1) ... [2022-12-13 13:42:15,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:15" (1/1) ... [2022-12-13 13:42:15,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:15" (1/1) ... [2022-12-13 13:42:15,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:15" (1/1) ... [2022-12-13 13:42:15,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:15" (1/1) ... [2022-12-13 13:42:15,836 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:15" (1/1) ... [2022-12-13 13:42:15,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:15" (1/1) ... [2022-12-13 13:42:15,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:42:15,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:42:15,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:42:15,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:42:15,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:15" (1/1) ... [2022-12-13 13:42:15,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:42:15,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:42:15,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:42:15,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:42:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-12-13 13:42:15,927 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-12-13 13:42:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_2 [2022-12-13 13:42:15,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_2 [2022-12-13 13:42:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 13:42:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 13:42:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-13 13:42:15,927 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-13 13:42:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 13:42:15,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 13:42:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 13:42:15,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 13:42:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-13 13:42:15,928 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-13 13:42:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-12-13 13:42:15,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-12-13 13:42:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_count [2022-12-13 13:42:15,928 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_count [2022-12-13 13:42:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 13:42:15,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 13:42:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-12-13 13:42:15,928 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-12-13 13:42:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_status [2022-12-13 13:42:15,928 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_status [2022-12-13 13:42:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-13 13:42:15,929 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-13 13:42:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_status [2022-12-13 13:42:15,929 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_status [2022-12-13 13:42:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-12-13 13:42:15,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-12-13 13:42:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-13 13:42:15,929 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-13 13:42:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 13:42:15,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 13:42:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ring_debug [2022-12-13 13:42:15,929 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ring_debug [2022-12-13 13:42:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-13 13:42:15,929 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-13 13:42:15,930 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-13 13:42:15,930 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-13 13:42:15,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 13:42:15,930 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 13:42:15,930 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 13:42:15,930 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 13:42:15,930 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-13 13:42:15,930 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-13 13:42:15,930 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-13 13:42:15,930 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-13 13:42:15,930 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2022-12-13 13:42:15,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2022-12-13 13:42:15,930 INFO L130 BoogieDeclarations]: Found specification of procedure ring_get [2022-12-13 13:42:15,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_get [2022-12-13 13:42:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-12-13 13:42:15,931 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-12-13 13:42:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:42:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_resume [2022-12-13 13:42:15,931 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_resume [2022-12-13 13:42:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-13 13:42:15,931 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-13 13:42:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 13:42:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-13 13:42:15,931 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-13 13:42:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-13 13:42:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-12-13 13:42:15,932 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-12-13 13:42:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_us_delta [2022-12-13 13:42:15,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_us_delta [2022-12-13 13:42:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 13:42:15,932 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 13:42:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_free_ring [2022-12-13 13:42:15,932 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_free_ring [2022-12-13 13:42:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure ring_last [2022-12-13 13:42:15,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_last [2022-12-13 13:42:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-12-13 13:42:15,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-12-13 13:42:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:42:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure ring_put [2022-12-13 13:42:15,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_put [2022-12-13 13:42:15,933 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-12-13 13:42:15,933 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-12-13 13:42:15,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 13:42:15,933 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-12-13 13:42:15,933 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-12-13 13:42:15,933 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-12-13 13:42:15,933 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-12-13 13:42:15,933 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 13:42:15,933 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 13:42:15,933 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_tx_timeout [2022-12-13 13:42:15,933 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_tx_timeout [2022-12-13 13:42:15,933 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-12-13 13:42:15,933 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-12-13 13:42:15,934 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-13 13:42:15,934 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-13 13:42:15,934 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-13 13:42:15,934 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-13 13:42:15,934 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-12-13 13:42:15,934 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-12-13 13:42:15,934 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-13 13:42:15,934 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-13 13:42:15,934 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_addr_status [2022-12-13 13:42:15,934 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_addr_status [2022-12-13 13:42:15,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 13:42:15,934 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_destroy_hwif [2022-12-13 13:42:15,934 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_destroy_hwif [2022-12-13 13:42:15,935 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-13 13:42:15,935 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-13 13:42:15,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 13:42:15,935 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_stop_hw [2022-12-13 13:42:15,935 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_stop_hw [2022-12-13 13:42:15,935 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_addr [2022-12-13 13:42:15,935 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_addr [2022-12-13 13:42:15,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 13:42:15,935 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-13 13:42:15,935 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-13 13:42:15,935 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-13 13:42:15,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-13 13:42:15,935 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_remove [2022-12-13 13:42:15,935 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_remove [2022-12-13 13:42:15,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 13:42:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 13:42:15,936 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-12-13 13:42:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-12-13 13:42:15,936 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_clear_regs [2022-12-13 13:42:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_clear_regs [2022-12-13 13:42:15,936 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-13 13:42:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-13 13:42:15,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-13 13:42:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-13 13:42:15,936 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-12-13 13:42:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-12-13 13:42:15,936 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 13:42:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 13:42:15,937 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_start_hw [2022-12-13 13:42:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_start_hw [2022-12-13 13:42:15,937 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-13 13:42:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-13 13:42:15,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 13:42:15,937 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-13 13:42:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-13 13:42:15,937 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-12-13 13:42:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-12-13 13:42:15,937 INFO L130 BoogieDeclarations]: Found specification of procedure rd_activate [2022-12-13 13:42:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_activate [2022-12-13 13:42:15,937 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-12-13 13:42:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-12-13 13:42:15,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 13:42:15,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 13:42:15,938 INFO L130 BoogieDeclarations]: Found specification of procedure rd_is_active [2022-12-13 13:42:15,938 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_is_active [2022-12-13 13:42:15,938 INFO L130 BoogieDeclarations]: Found specification of procedure irlap_close [2022-12-13 13:42:15,938 INFO L138 BoogieDeclarations]: Found implementation of procedure irlap_close [2022-12-13 13:42:15,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-13 13:42:15,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-13 13:42:15,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 13:42:15,938 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_count [2022-12-13 13:42:15,938 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_count [2022-12-13 13:42:15,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-13 13:42:15,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-13 13:42:15,938 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-12-13 13:42:15,939 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-12-13 13:42:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:42:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-13 13:42:15,939 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-13 13:42:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-13 13:42:15,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-13 13:42:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 13:42:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-13 13:42:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_tx [2022-12-13 13:42:15,939 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_tx [2022-12-13 13:42:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-12-13 13:42:15,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-12-13 13:42:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ioctl [2022-12-13 13:42:15,939 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ioctl [2022-12-13 13:42:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_2 [2022-12-13 13:42:15,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_2 [2022-12-13 13:42:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-12-13 13:42:15,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-12-13 13:42:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_alloc_ring [2022-12-13 13:42:15,940 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_alloc_ring [2022-12-13 13:42:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_fill_rx [2022-12-13 13:42:15,940 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_fill_rx [2022-12-13 13:42:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-12-13 13:42:15,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-12-13 13:42:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_rx [2022-12-13 13:42:15,940 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_rx [2022-12-13 13:42:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-12-13 13:42:15,941 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-12-13 13:42:15,941 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_reg_debug [2022-12-13 13:42:15,941 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_reg_debug [2022-12-13 13:42:15,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:42:15,941 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_set_baud [2022-12-13 13:42:15,941 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_set_baud [2022-12-13 13:42:15,941 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-12-13 13:42:15,941 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-12-13 13:42:15,941 INFO L130 BoogieDeclarations]: Found specification of procedure ring_first [2022-12-13 13:42:15,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_first [2022-12-13 13:42:15,941 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-12-13 13:42:15,941 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-12-13 13:42:15,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:42:15,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:42:16,469 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:42:16,471 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:42:16,804 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 13:42:22,819 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:42:22,836 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:42:22,836 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:42:22,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:42:22 BoogieIcfgContainer [2022-12-13 13:42:22,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:42:22,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:42:22,842 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:42:22,845 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:42:22,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:42:13" (1/3) ... [2022-12-13 13:42:22,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39094cdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:42:22, skipping insertion in model container [2022-12-13 13:42:22,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:15" (2/3) ... [2022-12-13 13:42:22,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39094cdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:42:22, skipping insertion in model container [2022-12-13 13:42:22,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:42:22" (3/3) ... [2022-12-13 13:42:22,848 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i [2022-12-13 13:42:22,865 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:42:22,865 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 13:42:22,943 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:42:22,949 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5639c940, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:42:22,949 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 13:42:22,956 INFO L276 IsEmpty]: Start isEmpty. Operand has 1622 states, 1121 states have (on average 1.326494201605709) internal successors, (1487), 1147 states have internal predecessors, (1487), 409 states have call successors, (409), 91 states have call predecessors, (409), 90 states have return successors, (402), 401 states have call predecessors, (402), 402 states have call successors, (402) [2022-12-13 13:42:22,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-12-13 13:42:22,973 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:42:22,974 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:42:22,974 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:42:22,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:22,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1963970243, now seen corresponding path program 1 times [2022-12-13 13:42:22,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:22,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517541617] [2022-12-13 13:42:22,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:22,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:42:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:23,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:42:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:42:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 13:42:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 13:42:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:42:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 13:42:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 13:42:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 13:42:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 13:42:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 13:42:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 13:42:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,652 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-12-13 13:42:23,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:23,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517541617] [2022-12-13 13:42:23,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517541617] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:23,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:23,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:42:23,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517246045] [2022-12-13 13:42:23,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:23,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:42:23,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:23,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:42:23,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:42:23,684 INFO L87 Difference]: Start difference. First operand has 1622 states, 1121 states have (on average 1.326494201605709) internal successors, (1487), 1147 states have internal predecessors, (1487), 409 states have call successors, (409), 91 states have call predecessors, (409), 90 states have return successors, (402), 401 states have call predecessors, (402), 402 states have call successors, (402) Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 13:42:27,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:42:27,581 INFO L93 Difference]: Finished difference Result 3469 states and 5028 transitions. [2022-12-13 13:42:27,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 13:42:27,583 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 173 [2022-12-13 13:42:27,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:42:27,599 INFO L225 Difference]: With dead ends: 3469 [2022-12-13 13:42:27,600 INFO L226 Difference]: Without dead ends: 1828 [2022-12-13 13:42:27,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:42:27,611 INFO L413 NwaCegarLoop]: 1812 mSDtfsCounter, 989 mSDsluCounter, 2875 mSDsCounter, 0 mSdLazyCounter, 2060 mSolverCounterSat, 1150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1032 SdHoareTripleChecker+Valid, 4687 SdHoareTripleChecker+Invalid, 3210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1150 IncrementalHoareTripleChecker+Valid, 2060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-12-13 13:42:27,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1032 Valid, 4687 Invalid, 3210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1150 Valid, 2060 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-12-13 13:42:27,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1828 states. [2022-12-13 13:42:27,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1828 to 1598. [2022-12-13 13:42:27,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1598 states, 1107 states have (on average 1.3098464317976513) internal successors, (1450), 1123 states have internal predecessors, (1450), 401 states have call successors, (401), 90 states have call predecessors, (401), 89 states have return successors, (400), 399 states have call predecessors, (400), 400 states have call successors, (400) [2022-12-13 13:42:27,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1598 states and 2251 transitions. [2022-12-13 13:42:27,722 INFO L78 Accepts]: Start accepts. Automaton has 1598 states and 2251 transitions. Word has length 173 [2022-12-13 13:42:27,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:42:27,722 INFO L495 AbstractCegarLoop]: Abstraction has 1598 states and 2251 transitions. [2022-12-13 13:42:27,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 13:42:27,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 2251 transitions. [2022-12-13 13:42:27,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-12-13 13:42:27,728 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:42:27,729 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:42:27,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:42:27,729 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:42:27,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:27,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1981706233, now seen corresponding path program 1 times [2022-12-13 13:42:27,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:27,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891385975] [2022-12-13 13:42:27,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:27,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:42:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:42:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:42:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 13:42:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 13:42:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:42:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 13:42:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 13:42:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 13:42:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 13:42:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 13:42:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 13:42:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,197 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-12-13 13:42:28,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:28,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891385975] [2022-12-13 13:42:28,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891385975] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:28,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:28,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 13:42:28,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094184484] [2022-12-13 13:42:28,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:28,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:42:28,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:28,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:42:28,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:42:28,200 INFO L87 Difference]: Start difference. First operand 1598 states and 2251 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 13:42:32,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:42:32,460 INFO L93 Difference]: Finished difference Result 4620 states and 6598 transitions. [2022-12-13 13:42:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 13:42:32,460 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 173 [2022-12-13 13:42:32,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:42:32,474 INFO L225 Difference]: With dead ends: 4620 [2022-12-13 13:42:32,474 INFO L226 Difference]: Without dead ends: 3050 [2022-12-13 13:42:32,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-12-13 13:42:32,481 INFO L413 NwaCegarLoop]: 1980 mSDtfsCounter, 4031 mSDsluCounter, 2571 mSDsCounter, 0 mSdLazyCounter, 2221 mSolverCounterSat, 3159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4242 SdHoareTripleChecker+Valid, 4551 SdHoareTripleChecker+Invalid, 5380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3159 IncrementalHoareTripleChecker+Valid, 2221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:42:32,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4242 Valid, 4551 Invalid, 5380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3159 Valid, 2221 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-12-13 13:42:32,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3050 states. [2022-12-13 13:42:32,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3050 to 2653. [2022-12-13 13:42:32,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2653 states, 1844 states have (on average 1.3134490238611713) internal successors, (2422), 1869 states have internal predecessors, (2422), 650 states have call successors, (650), 159 states have call predecessors, (650), 158 states have return successors, (653), 646 states have call predecessors, (653), 649 states have call successors, (653) [2022-12-13 13:42:32,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2653 states to 2653 states and 3725 transitions. [2022-12-13 13:42:32,605 INFO L78 Accepts]: Start accepts. Automaton has 2653 states and 3725 transitions. Word has length 173 [2022-12-13 13:42:32,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:42:32,606 INFO L495 AbstractCegarLoop]: Abstraction has 2653 states and 3725 transitions. [2022-12-13 13:42:32,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 13:42:32,606 INFO L276 IsEmpty]: Start isEmpty. Operand 2653 states and 3725 transitions. [2022-12-13 13:42:32,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-12-13 13:42:32,611 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:42:32,612 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:42:32,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 13:42:32,612 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:42:32,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:32,612 INFO L85 PathProgramCache]: Analyzing trace with hash 105890881, now seen corresponding path program 1 times [2022-12-13 13:42:32,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:32,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796882587] [2022-12-13 13:42:32,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:32,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:32,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:42:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:42:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:42:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 13:42:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 13:42:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:42:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 13:42:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 13:42:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 13:42:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:33,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 13:42:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 13:42:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 13:42:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 13:42:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-12-13 13:42:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-12-13 13:42:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-12-13 13:42:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 13:42:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 13:42:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 13:42:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-12-13 13:42:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:33,260 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2022-12-13 13:42:33,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:33,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796882587] [2022-12-13 13:42:33,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796882587] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:33,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:33,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:42:33,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813721124] [2022-12-13 13:42:33,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:33,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 13:42:33,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:33,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 13:42:33,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 13:42:33,262 INFO L87 Difference]: Start difference. First operand 2653 states and 3725 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-13 13:42:41,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:42:41,259 INFO L93 Difference]: Finished difference Result 8707 states and 12450 transitions. [2022-12-13 13:42:41,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 13:42:41,260 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 238 [2022-12-13 13:42:41,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:42:41,291 INFO L225 Difference]: With dead ends: 8707 [2022-12-13 13:42:41,291 INFO L226 Difference]: Without dead ends: 6086 [2022-12-13 13:42:41,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 13:42:41,303 INFO L413 NwaCegarLoop]: 1439 mSDtfsCounter, 6219 mSDsluCounter, 4576 mSDsCounter, 0 mSdLazyCounter, 8642 mSolverCounterSat, 4995 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6571 SdHoareTripleChecker+Valid, 6015 SdHoareTripleChecker+Invalid, 13637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4995 IncrementalHoareTripleChecker+Valid, 8642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-12-13 13:42:41,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6571 Valid, 6015 Invalid, 13637 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4995 Valid, 8642 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-12-13 13:42:41,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6086 states. [2022-12-13 13:42:41,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6086 to 5281. [2022-12-13 13:42:41,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5281 states, 3676 states have (on average 1.3136561479869424) internal successors, (4829), 3726 states have internal predecessors, (4829), 1288 states have call successors, (1288), 317 states have call predecessors, (1288), 316 states have return successors, (1297), 1281 states have call predecessors, (1297), 1287 states have call successors, (1297) [2022-12-13 13:42:41,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5281 states to 5281 states and 7414 transitions. [2022-12-13 13:42:41,538 INFO L78 Accepts]: Start accepts. Automaton has 5281 states and 7414 transitions. Word has length 238 [2022-12-13 13:42:41,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:42:41,539 INFO L495 AbstractCegarLoop]: Abstraction has 5281 states and 7414 transitions. [2022-12-13 13:42:41,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-13 13:42:41,539 INFO L276 IsEmpty]: Start isEmpty. Operand 5281 states and 7414 transitions. [2022-12-13 13:42:41,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-12-13 13:42:41,543 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:42:41,543 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:42:41,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 13:42:41,543 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:42:41,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:41,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1579856770, now seen corresponding path program 1 times [2022-12-13 13:42:41,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:41,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778015709] [2022-12-13 13:42:41,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:41,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:41,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:42:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:41,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:41,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:41,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:42:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:41,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:41,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:41,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:42:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:41,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:41,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:41,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 13:42:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:41,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:41,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:41,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 13:42:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:41,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:41,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:41,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:42:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:41,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:41,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 13:42:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:41,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:41,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 13:42:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:42,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:42,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 13:42:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:42,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:42,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 13:42:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:42,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:42,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 13:42:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:42,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 13:42:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:42,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 13:42:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:42,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 13:42:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:42,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 13:42:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:42,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 13:42:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:42,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 13:42:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:42,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:42,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:42,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:42,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 13:42:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:42,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-12-13 13:42:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:42,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:42,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:42,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 13:42:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:42,099 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2022-12-13 13:42:42,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:42,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778015709] [2022-12-13 13:42:42,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778015709] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:42,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:42,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:42:42,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877168154] [2022-12-13 13:42:42,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:42,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 13:42:42,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:42,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 13:42:42,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 13:42:42,101 INFO L87 Difference]: Start difference. First operand 5281 states and 7414 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-13 13:42:50,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:42:50,822 INFO L93 Difference]: Finished difference Result 17393 states and 24842 transitions. [2022-12-13 13:42:50,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 13:42:50,822 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 236 [2022-12-13 13:42:50,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:42:50,863 INFO L225 Difference]: With dead ends: 17393 [2022-12-13 13:42:50,863 INFO L226 Difference]: Without dead ends: 12144 [2022-12-13 13:42:50,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 13:42:50,878 INFO L413 NwaCegarLoop]: 1441 mSDtfsCounter, 5447 mSDsluCounter, 5159 mSDsCounter, 0 mSdLazyCounter, 9796 mSolverCounterSat, 3940 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5799 SdHoareTripleChecker+Valid, 6600 SdHoareTripleChecker+Invalid, 13736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3940 IncrementalHoareTripleChecker+Valid, 9796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:42:50,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5799 Valid, 6600 Invalid, 13736 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3940 Valid, 9796 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2022-12-13 13:42:50,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12144 states. [2022-12-13 13:42:51,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12144 to 10543. [2022-12-13 13:42:51,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10543 states, 7344 states have (on average 1.3129084967320261) internal successors, (9642), 7444 states have internal predecessors, (9642), 2564 states have call successors, (2564), 635 states have call predecessors, (2564), 634 states have return successors, (2587), 2551 states have call predecessors, (2587), 2563 states have call successors, (2587) [2022-12-13 13:42:51,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10543 states to 10543 states and 14793 transitions. [2022-12-13 13:42:51,301 INFO L78 Accepts]: Start accepts. Automaton has 10543 states and 14793 transitions. Word has length 236 [2022-12-13 13:42:51,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:42:51,302 INFO L495 AbstractCegarLoop]: Abstraction has 10543 states and 14793 transitions. [2022-12-13 13:42:51,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-13 13:42:51,302 INFO L276 IsEmpty]: Start isEmpty. Operand 10543 states and 14793 transitions. [2022-12-13 13:42:51,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-12-13 13:42:51,305 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:42:51,305 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:42:51,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 13:42:51,306 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:42:51,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:51,306 INFO L85 PathProgramCache]: Analyzing trace with hash 84519343, now seen corresponding path program 1 times [2022-12-13 13:42:51,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:51,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41044805] [2022-12-13 13:42:51,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:51,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:42:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:42:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:42:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 13:42:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 13:42:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:42:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 13:42:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 13:42:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 13:42:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 13:42:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 13:42:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 13:42:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 13:42:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 13:42:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 13:42:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 13:42:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 13:42:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 13:42:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 13:42:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:42:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-12-13 13:42:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:51,842 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2022-12-13 13:42:51,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:51,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41044805] [2022-12-13 13:42:51,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41044805] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:51,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:51,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:42:51,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101116117] [2022-12-13 13:42:51,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:51,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 13:42:51,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:51,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 13:42:51,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 13:42:51,844 INFO L87 Difference]: Start difference. First operand 10543 states and 14793 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-13 13:42:59,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:42:59,988 INFO L93 Difference]: Finished difference Result 34783 states and 49617 transitions. [2022-12-13 13:42:59,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 13:42:59,989 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 235 [2022-12-13 13:42:59,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:43:00,070 INFO L225 Difference]: With dead ends: 34783 [2022-12-13 13:43:00,070 INFO L226 Difference]: Without dead ends: 24272 [2022-12-13 13:43:00,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 13:43:00,101 INFO L413 NwaCegarLoop]: 1431 mSDtfsCounter, 6229 mSDsluCounter, 4560 mSDsCounter, 0 mSdLazyCounter, 8638 mSolverCounterSat, 4998 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6583 SdHoareTripleChecker+Valid, 5991 SdHoareTripleChecker+Invalid, 13636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4998 IncrementalHoareTripleChecker+Valid, 8638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-12-13 13:43:00,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6583 Valid, 5991 Invalid, 13636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4998 Valid, 8638 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2022-12-13 13:43:00,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24272 states. [2022-12-13 13:43:00,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24272 to 20999. [2022-12-13 13:43:00,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20999 states, 14624 states have (on average 1.31332056892779) internal successors, (19206), 14848 states have internal predecessors, (19206), 5108 states have call successors, (5108), 1267 states have call predecessors, (5108), 1266 states have return successors, (5163), 5059 states have call predecessors, (5163), 5107 states have call successors, (5163) [2022-12-13 13:43:01,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20999 states to 20999 states and 29477 transitions. [2022-12-13 13:43:01,017 INFO L78 Accepts]: Start accepts. Automaton has 20999 states and 29477 transitions. Word has length 235 [2022-12-13 13:43:01,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:43:01,017 INFO L495 AbstractCegarLoop]: Abstraction has 20999 states and 29477 transitions. [2022-12-13 13:43:01,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-13 13:43:01,018 INFO L276 IsEmpty]: Start isEmpty. Operand 20999 states and 29477 transitions. [2022-12-13 13:43:01,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-12-13 13:43:01,023 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:43:01,023 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:43:01,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 13:43:01,023 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:43:01,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:43:01,024 INFO L85 PathProgramCache]: Analyzing trace with hash 421785810, now seen corresponding path program 1 times [2022-12-13 13:43:01,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:43:01,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673798869] [2022-12-13 13:43:01,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:43:01,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:43:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:43:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:43:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:43:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 13:43:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 13:43:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:43:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 13:43:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 13:43:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 13:43:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 13:43:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 13:43:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 13:43:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 13:43:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 13:43:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 13:43:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 13:43:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 13:43:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 13:43:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 13:43:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-12-13 13:43:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,785 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2022-12-13 13:43:01,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:43:01,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673798869] [2022-12-13 13:43:01,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673798869] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:43:01,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:43:01,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:43:01,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948072911] [2022-12-13 13:43:01,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:43:01,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 13:43:01,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:43:01,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 13:43:01,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 13:43:01,787 INFO L87 Difference]: Start difference. First operand 20999 states and 29477 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 4 states have internal predecessors, (87), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-13 13:43:11,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:43:11,395 INFO L93 Difference]: Finished difference Result 68928 states and 98233 transitions. [2022-12-13 13:43:11,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 13:43:11,396 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 4 states have internal predecessors, (87), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 237 [2022-12-13 13:43:11,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:43:11,586 INFO L225 Difference]: With dead ends: 68928 [2022-12-13 13:43:11,586 INFO L226 Difference]: Without dead ends: 47961 [2022-12-13 13:43:11,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 13:43:11,635 INFO L413 NwaCegarLoop]: 1404 mSDtfsCounter, 5715 mSDsluCounter, 5012 mSDsCounter, 0 mSdLazyCounter, 9189 mSolverCounterSat, 4090 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6070 SdHoareTripleChecker+Valid, 6416 SdHoareTripleChecker+Invalid, 13279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4090 IncrementalHoareTripleChecker+Valid, 9189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-12-13 13:43:11,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6070 Valid, 6416 Invalid, 13279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4090 Valid, 9189 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2022-12-13 13:43:11,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47961 states. [2022-12-13 13:43:12,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47961 to 41744. [2022-12-13 13:43:12,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41744 states, 29088 states have (on average 1.3120874587458746) internal successors, (38166), 29520 states have internal predecessors, (38166), 10123 states have call successors, (10123), 2533 states have call predecessors, (10123), 2532 states have return successors, (10250), 10036 states have call predecessors, (10250), 10122 states have call successors, (10250) [2022-12-13 13:43:13,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41744 states to 41744 states and 58539 transitions. [2022-12-13 13:43:13,102 INFO L78 Accepts]: Start accepts. Automaton has 41744 states and 58539 transitions. Word has length 237 [2022-12-13 13:43:13,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:43:13,103 INFO L495 AbstractCegarLoop]: Abstraction has 41744 states and 58539 transitions. [2022-12-13 13:43:13,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 4 states have internal predecessors, (87), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-13 13:43:13,103 INFO L276 IsEmpty]: Start isEmpty. Operand 41744 states and 58539 transitions. [2022-12-13 13:43:13,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-12-13 13:43:13,108 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:43:13,108 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:43:13,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 13:43:13,108 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:43:13,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:43:13,108 INFO L85 PathProgramCache]: Analyzing trace with hash 540012268, now seen corresponding path program 1 times [2022-12-13 13:43:13,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:43:13,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639497792] [2022-12-13 13:43:13,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:43:13,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:43:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:43:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:43:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:43:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 13:43:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 13:43:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:43:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 13:43:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 13:43:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 13:43:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 13:43:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 13:43:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-12-13 13:43:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-12-13 13:43:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 13:43:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 13:43:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 13:43:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 13:43:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 13:43:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 13:43:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-12-13 13:43:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-12-13 13:43:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:13,957 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2022-12-13 13:43:13,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:43:13,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639497792] [2022-12-13 13:43:13,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639497792] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:43:13,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928577807] [2022-12-13 13:43:13,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:43:13,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:43:13,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:43:13,960 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:43:13,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 13:43:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:14,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 4253 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 13:43:14,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:43:14,922 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2022-12-13 13:43:14,923 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:43:14,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928577807] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:43:14,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 13:43:14,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2022-12-13 13:43:14,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900928356] [2022-12-13 13:43:14,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:43:14,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 13:43:14,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:43:14,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 13:43:14,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-12-13 13:43:14,925 INFO L87 Difference]: Start difference. First operand 41744 states and 58539 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 13:43:16,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:43:16,841 INFO L93 Difference]: Finished difference Result 104552 states and 146573 transitions. [2022-12-13 13:43:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 13:43:16,842 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 248 [2022-12-13 13:43:16,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:43:17,023 INFO L225 Difference]: With dead ends: 104552 [2022-12-13 13:43:17,024 INFO L226 Difference]: Without dead ends: 62840 [2022-12-13 13:43:17,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2022-12-13 13:43:17,183 INFO L413 NwaCegarLoop]: 3678 mSDtfsCounter, 2271 mSDsluCounter, 16913 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2275 SdHoareTripleChecker+Valid, 20591 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:43:17,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2275 Valid, 20591 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:43:17,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62840 states. [2022-12-13 13:43:19,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62840 to 62545. [2022-12-13 13:43:19,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62545 states, 43608 states have (on average 1.3123968079251513) internal successors, (57231), 44272 states have internal predecessors, (57231), 15130 states have call successors, (15130), 3791 states have call predecessors, (15130), 3806 states have return successors, (15369), 14997 states have call predecessors, (15369), 15129 states have call successors, (15369) [2022-12-13 13:43:19,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62545 states to 62545 states and 87730 transitions. [2022-12-13 13:43:19,446 INFO L78 Accepts]: Start accepts. Automaton has 62545 states and 87730 transitions. Word has length 248 [2022-12-13 13:43:19,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:43:19,446 INFO L495 AbstractCegarLoop]: Abstraction has 62545 states and 87730 transitions. [2022-12-13 13:43:19,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 13:43:19,447 INFO L276 IsEmpty]: Start isEmpty. Operand 62545 states and 87730 transitions. [2022-12-13 13:43:19,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-12-13 13:43:19,452 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:43:19,452 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:43:19,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 13:43:19,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:43:19,653 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:43:19,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:43:19,653 INFO L85 PathProgramCache]: Analyzing trace with hash 694328194, now seen corresponding path program 1 times [2022-12-13 13:43:19,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:43:19,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369522611] [2022-12-13 13:43:19,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:43:19,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:43:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:43:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:20,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:43:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:20,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:43:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 13:43:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 13:43:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:43:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 13:43:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 13:43:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 13:43:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 13:43:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 13:43:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 13:43:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 13:43:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-12-13 13:43:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 13:43:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 13:43:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-12-13 13:43:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 13:43:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-12-13 13:43:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 13:43:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 13:43:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:20,365 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2022-12-13 13:43:20,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:43:20,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369522611] [2022-12-13 13:43:20,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369522611] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:43:20,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364250202] [2022-12-13 13:43:20,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:43:20,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:43:20,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:43:20,368 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:43:20,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 13:43:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:21,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 4255 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 13:43:21,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:43:21,135 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2022-12-13 13:43:21,135 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:43:21,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364250202] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:43:21,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 13:43:21,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 13:43:21,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505160639] [2022-12-13 13:43:21,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:43:21,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 13:43:21,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:43:21,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 13:43:21,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-12-13 13:43:21,138 INFO L87 Difference]: Start difference. First operand 62545 states and 87730 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 13:43:23,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:43:23,911 INFO L93 Difference]: Finished difference Result 146260 states and 205047 transitions. [2022-12-13 13:43:23,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 13:43:23,912 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 249 [2022-12-13 13:43:23,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:43:24,177 INFO L225 Difference]: With dead ends: 146260 [2022-12-13 13:43:24,177 INFO L226 Difference]: Without dead ends: 83747 [2022-12-13 13:43:24,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-12-13 13:43:24,376 INFO L413 NwaCegarLoop]: 3812 mSDtfsCounter, 2271 mSDsluCounter, 17437 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2275 SdHoareTripleChecker+Valid, 21249 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:43:24,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2275 Valid, 21249 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:43:24,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83747 states. [2022-12-13 13:43:27,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83747 to 83410. [2022-12-13 13:43:27,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83410 states, 58168 states have (on average 1.3123366799614908) internal successors, (76336), 59096 states have internal predecessors, (76336), 20137 states have call successors, (20137), 5049 states have call predecessors, (20137), 5104 states have return successors, (20512), 19950 states have call predecessors, (20512), 20136 states have call successors, (20512) [2022-12-13 13:43:27,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83410 states to 83410 states and 116985 transitions. [2022-12-13 13:43:27,706 INFO L78 Accepts]: Start accepts. Automaton has 83410 states and 116985 transitions. Word has length 249 [2022-12-13 13:43:27,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:43:27,707 INFO L495 AbstractCegarLoop]: Abstraction has 83410 states and 116985 transitions. [2022-12-13 13:43:27,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 13:43:27,707 INFO L276 IsEmpty]: Start isEmpty. Operand 83410 states and 116985 transitions. [2022-12-13 13:43:27,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-12-13 13:43:27,714 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:43:27,715 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:43:27,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 13:43:27,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-12-13 13:43:27,915 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:43:27,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:43:27,916 INFO L85 PathProgramCache]: Analyzing trace with hash -84564301, now seen corresponding path program 1 times [2022-12-13 13:43:27,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:43:27,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359979390] [2022-12-13 13:43:27,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:43:27,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:43:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:43:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:43:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:43:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 13:43:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 13:43:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:43:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 13:43:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 13:43:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 13:43:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 13:43:28,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 13:43:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 13:43:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 13:43:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 13:43:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 13:43:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 13:43:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 13:43:28,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 13:43:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:28,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-12-13 13:43:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-12-13 13:43:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-12-13 13:43:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:28,654 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2022-12-13 13:43:28,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:43:28,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359979390] [2022-12-13 13:43:28,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359979390] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:43:28,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538328660] [2022-12-13 13:43:28,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:43:28,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:43:28,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:43:28,656 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:43:28,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 13:43:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:29,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 4257 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 13:43:29,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:43:29,273 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2022-12-13 13:43:29,273 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:43:29,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538328660] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:43:29,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 13:43:29,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 13:43:29,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711648888] [2022-12-13 13:43:29,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:43:29,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 13:43:29,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:43:29,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 13:43:29,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-12-13 13:43:29,275 INFO L87 Difference]: Start difference. First operand 83410 states and 116985 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 13:43:32,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:43:32,276 INFO L93 Difference]: Finished difference Result 187968 states and 263521 transitions. [2022-12-13 13:43:32,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 13:43:32,277 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 250 [2022-12-13 13:43:32,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:43:32,596 INFO L225 Difference]: With dead ends: 187968 [2022-12-13 13:43:32,597 INFO L226 Difference]: Without dead ends: 104590 [2022-12-13 13:43:32,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-12-13 13:43:32,765 INFO L413 NwaCegarLoop]: 3812 mSDtfsCounter, 2271 mSDsluCounter, 17437 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2275 SdHoareTripleChecker+Valid, 21249 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:43:32,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2275 Valid, 21249 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:43:32,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104590 states. [2022-12-13 13:43:36,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104590 to 83454. [2022-12-13 13:43:36,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83454 states, 58200 states have (on average 1.3121649484536082) internal successors, (76368), 59132 states have internal predecessors, (76368), 20137 states have call successors, (20137), 5049 states have call predecessors, (20137), 5116 states have return successors, (20530), 19958 states have call predecessors, (20530), 20136 states have call successors, (20530) [2022-12-13 13:43:36,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83454 states to 83454 states and 117035 transitions. [2022-12-13 13:43:36,478 INFO L78 Accepts]: Start accepts. Automaton has 83454 states and 117035 transitions. Word has length 250 [2022-12-13 13:43:36,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:43:36,479 INFO L495 AbstractCegarLoop]: Abstraction has 83454 states and 117035 transitions. [2022-12-13 13:43:36,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 13:43:36,479 INFO L276 IsEmpty]: Start isEmpty. Operand 83454 states and 117035 transitions. [2022-12-13 13:43:36,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-12-13 13:43:36,485 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:43:36,486 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:43:36,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-13 13:43:36,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:43:36,687 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:43:36,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:43:36,688 INFO L85 PathProgramCache]: Analyzing trace with hash 271853225, now seen corresponding path program 1 times [2022-12-13 13:43:36,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:43:36,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870566469] [2022-12-13 13:43:36,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:43:36,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:43:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:43:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:43:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:43:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 13:43:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 13:43:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:43:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 13:43:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 13:43:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 13:43:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 13:43:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 13:43:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 13:43:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 13:43:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-12-13 13:43:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-12-13 13:43:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-12-13 13:43:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 13:43:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 13:43:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 13:43:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 13:43:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-12-13 13:43:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:37,311 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2022-12-13 13:43:37,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:43:37,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870566469] [2022-12-13 13:43:37,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870566469] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:43:37,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650388774] [2022-12-13 13:43:37,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:43:37,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:43:37,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:43:37,313 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:43:37,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 13:43:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:38,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 4259 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 13:43:38,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:43:38,080 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2022-12-13 13:43:38,081 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:43:38,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650388774] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:43:38,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 13:43:38,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 13:43:38,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327621957] [2022-12-13 13:43:38,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:43:38,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 13:43:38,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:43:38,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 13:43:38,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-12-13 13:43:38,083 INFO L87 Difference]: Start difference. First operand 83454 states and 117035 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 13:43:41,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:43:41,047 INFO L93 Difference]: Finished difference Result 188028 states and 263587 transitions. [2022-12-13 13:43:41,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 13:43:41,048 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 251 [2022-12-13 13:43:41,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:43:41,385 INFO L225 Difference]: With dead ends: 188028 [2022-12-13 13:43:41,385 INFO L226 Difference]: Without dead ends: 104606 [2022-12-13 13:43:41,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-12-13 13:43:41,705 INFO L413 NwaCegarLoop]: 3812 mSDtfsCounter, 2271 mSDsluCounter, 17437 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2275 SdHoareTripleChecker+Valid, 21249 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:43:41,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2275 Valid, 21249 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:43:41,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104606 states. [2022-12-13 13:43:44,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104606 to 83480. [2022-12-13 13:43:44,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83480 states, 58220 states have (on average 1.312057712126417) internal successors, (76388), 59150 states have internal predecessors, (76388), 20137 states have call successors, (20137), 5049 states have call predecessors, (20137), 5122 states have return successors, (20536), 19966 states have call predecessors, (20536), 20136 states have call successors, (20536) [2022-12-13 13:43:45,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83480 states to 83480 states and 117061 transitions. [2022-12-13 13:43:45,012 INFO L78 Accepts]: Start accepts. Automaton has 83480 states and 117061 transitions. Word has length 251 [2022-12-13 13:43:45,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:43:45,012 INFO L495 AbstractCegarLoop]: Abstraction has 83480 states and 117061 transitions. [2022-12-13 13:43:45,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 13:43:45,013 INFO L276 IsEmpty]: Start isEmpty. Operand 83480 states and 117061 transitions. [2022-12-13 13:43:45,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-12-13 13:43:45,020 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:43:45,020 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:43:45,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-13 13:43:45,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:43:45,221 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:43:45,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:43:45,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1231195127, now seen corresponding path program 1 times [2022-12-13 13:43:45,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:43:45,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570741181] [2022-12-13 13:43:45,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:43:45,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:43:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:43:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:43:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:43:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 13:43:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 13:43:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:43:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 13:43:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 13:43:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 13:43:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 13:43:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 13:43:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 13:43:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 13:43:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 13:43:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 13:43:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 13:43:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 13:43:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-12-13 13:43:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 13:43:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 13:43:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-12-13 13:43:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:43:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-12-13 13:43:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:45,841 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2022-12-13 13:43:45,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:43:45,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570741181] [2022-12-13 13:43:45,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570741181] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:43:45,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812709189] [2022-12-13 13:43:45,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:43:45,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:43:45,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:43:45,842 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:43:45,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 13:43:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:46,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 4326 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 13:43:46,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:43:46,507 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-12-13 13:43:46,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:43:46,772 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-12-13 13:43:46,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812709189] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:43:46,772 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:43:46,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 24 [2022-12-13 13:43:46,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090594978] [2022-12-13 13:43:46,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:43:46,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 13:43:46,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:43:46,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 13:43:46,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2022-12-13 13:43:46,776 INFO L87 Difference]: Start difference. First operand 83480 states and 117061 transitions. Second operand has 24 states, 24 states have (on average 7.916666666666667) internal successors, (190), 15 states have internal predecessors, (190), 5 states have call successors, (64), 9 states have call predecessors, (64), 7 states have return successors, (56), 6 states have call predecessors, (56), 5 states have call successors, (56) [2022-12-13 13:44:58,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:44:58,950 INFO L93 Difference]: Finished difference Result 268102 states and 384941 transitions. [2022-12-13 13:44:58,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-12-13 13:44:58,951 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 7.916666666666667) internal successors, (190), 15 states have internal predecessors, (190), 5 states have call successors, (64), 9 states have call predecessors, (64), 7 states have return successors, (56), 6 states have call predecessors, (56), 5 states have call successors, (56) Word has length 264 [2022-12-13 13:44:58,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:44:59,550 INFO L225 Difference]: With dead ends: 268102 [2022-12-13 13:44:59,550 INFO L226 Difference]: Without dead ends: 184262 [2022-12-13 13:44:59,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 774 GetRequests, 613 SyntacticMatches, 8 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9229 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=3469, Invalid=20401, Unknown=0, NotChecked=0, Total=23870 [2022-12-13 13:44:59,769 INFO L413 NwaCegarLoop]: 4363 mSDtfsCounter, 19819 mSDsluCounter, 47487 mSDsCounter, 0 mSdLazyCounter, 90577 mSolverCounterSat, 17192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20575 SdHoareTripleChecker+Valid, 51850 SdHoareTripleChecker+Invalid, 107769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 17192 IncrementalHoareTripleChecker+Valid, 90577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.6s IncrementalHoareTripleChecker+Time [2022-12-13 13:44:59,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20575 Valid, 51850 Invalid, 107769 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [17192 Valid, 90577 Invalid, 0 Unknown, 0 Unchecked, 60.6s Time] [2022-12-13 13:44:59,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184262 states. [2022-12-13 13:45:05,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184262 to 145181. [2022-12-13 13:45:05,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145181 states, 101250 states have (on average 1.311446913580247) internal successors, (132784), 102836 states have internal predecessors, (132784), 35014 states have call successors, (35014), 8829 states have call predecessors, (35014), 8916 states have return successors, (35645), 34699 states have call predecessors, (35645), 35013 states have call successors, (35645) [2022-12-13 13:45:06,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145181 states to 145181 states and 203443 transitions. [2022-12-13 13:45:06,244 INFO L78 Accepts]: Start accepts. Automaton has 145181 states and 203443 transitions. Word has length 264 [2022-12-13 13:45:06,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:45:06,244 INFO L495 AbstractCegarLoop]: Abstraction has 145181 states and 203443 transitions. [2022-12-13 13:45:06,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.916666666666667) internal successors, (190), 15 states have internal predecessors, (190), 5 states have call successors, (64), 9 states have call predecessors, (64), 7 states have return successors, (56), 6 states have call predecessors, (56), 5 states have call successors, (56) [2022-12-13 13:45:06,244 INFO L276 IsEmpty]: Start isEmpty. Operand 145181 states and 203443 transitions. [2022-12-13 13:45:06,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-12-13 13:45:06,253 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:45:06,253 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:45:06,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-13 13:45:06,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:45:06,454 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:45:06,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:45:06,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1642168136, now seen corresponding path program 1 times [2022-12-13 13:45:06,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:45:06,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941077527] [2022-12-13 13:45:06,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:45:06,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:45:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:45:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:45:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:45:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:45:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:45:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:45:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 13:45:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:45:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 13:45:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:45:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:45:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 13:45:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 13:45:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 13:45:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 13:45:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 13:45:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 13:45:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:06,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-12-13 13:45:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:07,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 13:45:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:07,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 13:45:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:07,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 13:45:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:07,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 13:45:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:07,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 13:45:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:07,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 13:45:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:07,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:07,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:45:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:07,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 13:45:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:07,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 13:45:07,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:07,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:07,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:45:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:07,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-12-13 13:45:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:07,045 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2022-12-13 13:45:07,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:45:07,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941077527] [2022-12-13 13:45:07,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941077527] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:45:07,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030167947] [2022-12-13 13:45:07,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:45:07,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:45:07,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:45:07,046 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:45:07,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 13:45:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:07,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 4328 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 13:45:07,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:45:07,919 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-12-13 13:45:07,919 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:45:08,167 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-12-13 13:45:08,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030167947] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:45:08,167 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:45:08,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 24 [2022-12-13 13:45:08,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658286108] [2022-12-13 13:45:08,167 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:45:08,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 13:45:08,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:45:08,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 13:45:08,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2022-12-13 13:45:08,169 INFO L87 Difference]: Start difference. First operand 145181 states and 203443 transitions. Second operand has 24 states, 24 states have (on average 8.0) internal successors, (192), 15 states have internal predecessors, (192), 5 states have call successors, (64), 9 states have call predecessors, (64), 7 states have return successors, (56), 6 states have call predecessors, (56), 5 states have call successors, (56) [2022-12-13 13:46:21,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:46:21,827 INFO L93 Difference]: Finished difference Result 454615 states and 651115 transitions. [2022-12-13 13:46:21,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-12-13 13:46:21,828 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 8.0) internal successors, (192), 15 states have internal predecessors, (192), 5 states have call successors, (64), 9 states have call predecessors, (64), 7 states have return successors, (56), 6 states have call predecessors, (56), 5 states have call successors, (56) Word has length 265 [2022-12-13 13:46:21,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:46:22,940 INFO L225 Difference]: With dead ends: 454615 [2022-12-13 13:46:22,940 INFO L226 Difference]: Without dead ends: 308822 [2022-12-13 13:46:23,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 776 GetRequests, 615 SyntacticMatches, 8 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9394 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=3469, Invalid=20401, Unknown=0, NotChecked=0, Total=23870 [2022-12-13 13:46:23,442 INFO L413 NwaCegarLoop]: 4182 mSDtfsCounter, 16972 mSDsluCounter, 48840 mSDsCounter, 0 mSdLazyCounter, 95375 mSolverCounterSat, 11349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17728 SdHoareTripleChecker+Valid, 53022 SdHoareTripleChecker+Invalid, 106724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 11349 IncrementalHoareTripleChecker+Valid, 95375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.4s IncrementalHoareTripleChecker+Time [2022-12-13 13:46:23,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17728 Valid, 53022 Invalid, 106724 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [11349 Valid, 95375 Invalid, 0 Unknown, 0 Unchecked, 55.4s Time] [2022-12-13 13:46:23,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308822 states. [2022-12-13 13:46:34,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308822 to 242054. [2022-12-13 13:46:34,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242054 states, 168822 states have (on average 1.3107592612337255) internal successors, (221285), 171420 states have internal predecessors, (221285), 58337 states have call successors, (58337), 14789 states have call predecessors, (58337), 14894 states have return successors, (59304), 57798 states have call predecessors, (59304), 58336 states have call successors, (59304) [2022-12-13 13:46:35,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242054 states to 242054 states and 338926 transitions. [2022-12-13 13:46:35,546 INFO L78 Accepts]: Start accepts. Automaton has 242054 states and 338926 transitions. Word has length 265 [2022-12-13 13:46:35,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:46:35,547 INFO L495 AbstractCegarLoop]: Abstraction has 242054 states and 338926 transitions. [2022-12-13 13:46:35,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.0) internal successors, (192), 15 states have internal predecessors, (192), 5 states have call successors, (64), 9 states have call predecessors, (64), 7 states have return successors, (56), 6 states have call predecessors, (56), 5 states have call successors, (56) [2022-12-13 13:46:35,547 INFO L276 IsEmpty]: Start isEmpty. Operand 242054 states and 338926 transitions. [2022-12-13 13:46:35,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-12-13 13:46:35,562 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:46:35,562 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:46:35,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 13:46:35,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:46:35,764 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:46:35,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:46:35,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1000516094, now seen corresponding path program 1 times [2022-12-13 13:46:35,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:46:35,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351604283] [2022-12-13 13:46:35,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:46:35,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:46:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:46:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:46:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:46:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:46:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:46:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:46:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 13:46:36,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:46:36,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 13:46:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:46:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:46:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 13:46:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 13:46:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 13:46:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 13:46:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 13:46:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 13:46:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 13:46:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-12-13 13:46:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 13:46:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 13:46:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 13:46:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-12-13 13:46:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 13:46:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:36,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:46:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 13:46:36,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-12-13 13:46:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:46:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-12-13 13:46:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:36,550 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2022-12-13 13:46:36,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:46:36,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351604283] [2022-12-13 13:46:36,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351604283] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:46:36,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507430174] [2022-12-13 13:46:36,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:46:36,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:46:36,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:46:36,552 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:46:36,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 13:46:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:37,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 4330 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 13:46:37,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:46:37,355 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-12-13 13:46:37,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:46:37,637 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-12-13 13:46:37,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507430174] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:46:37,638 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:46:37,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 24 [2022-12-13 13:46:37,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465001860] [2022-12-13 13:46:37,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:46:37,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 13:46:37,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:46:37,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 13:46:37,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2022-12-13 13:46:37,641 INFO L87 Difference]: Start difference. First operand 242054 states and 338926 transitions. Second operand has 24 states, 24 states have (on average 8.083333333333334) internal successors, (194), 15 states have internal predecessors, (194), 5 states have call successors, (64), 9 states have call predecessors, (64), 7 states have return successors, (56), 6 states have call predecessors, (56), 5 states have call successors, (56) [2022-12-13 13:47:52,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:47:52,788 INFO L93 Difference]: Finished difference Result 665653 states and 951533 transitions. [2022-12-13 13:47:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-12-13 13:47:52,789 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 8.083333333333334) internal successors, (194), 15 states have internal predecessors, (194), 5 states have call successors, (64), 9 states have call predecessors, (64), 7 states have return successors, (56), 6 states have call predecessors, (56), 5 states have call successors, (56) Word has length 266 [2022-12-13 13:47:52,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:47:54,428 INFO L225 Difference]: With dead ends: 665653 [2022-12-13 13:47:54,428 INFO L226 Difference]: Without dead ends: 422721 [2022-12-13 13:47:55,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 778 GetRequests, 617 SyntacticMatches, 8 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9411 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=3469, Invalid=20401, Unknown=0, NotChecked=0, Total=23870 [2022-12-13 13:47:55,204 INFO L413 NwaCegarLoop]: 3659 mSDtfsCounter, 25735 mSDsluCounter, 41234 mSDsCounter, 0 mSdLazyCounter, 83774 mSolverCounterSat, 19463 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26491 SdHoareTripleChecker+Valid, 44893 SdHoareTripleChecker+Invalid, 103237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 19463 IncrementalHoareTripleChecker+Valid, 83774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.4s IncrementalHoareTripleChecker+Time [2022-12-13 13:47:55,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26491 Valid, 44893 Invalid, 103237 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [19463 Valid, 83774 Invalid, 0 Unknown, 0 Unchecked, 50.4s Time] [2022-12-13 13:47:55,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422721 states. [2022-12-13 13:48:10,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422721 to 324094. [2022-12-13 13:48:10,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324094 states, 226038 states have (on average 1.3098151638220121) internal successors, (296068), 229349 states have internal predecessors, (296068), 78091 states have call successors, (78091), 19903 states have call predecessors, (78091), 19964 states have return successors, (79216), 77425 states have call predecessors, (79216), 78090 states have call successors, (79216) [2022-12-13 13:48:12,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324094 states to 324094 states and 453375 transitions. [2022-12-13 13:48:12,289 INFO L78 Accepts]: Start accepts. Automaton has 324094 states and 453375 transitions. Word has length 266 [2022-12-13 13:48:12,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:48:12,289 INFO L495 AbstractCegarLoop]: Abstraction has 324094 states and 453375 transitions. [2022-12-13 13:48:12,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.083333333333334) internal successors, (194), 15 states have internal predecessors, (194), 5 states have call successors, (64), 9 states have call predecessors, (64), 7 states have return successors, (56), 6 states have call predecessors, (56), 5 states have call successors, (56) [2022-12-13 13:48:12,290 INFO L276 IsEmpty]: Start isEmpty. Operand 324094 states and 453375 transitions. [2022-12-13 13:48:12,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-12-13 13:48:12,300 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:48:12,301 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:48:12,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 13:48:12,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:48:12,503 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:48:12,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:48:12,504 INFO L85 PathProgramCache]: Analyzing trace with hash 684936749, now seen corresponding path program 1 times [2022-12-13 13:48:12,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:48:12,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115006993] [2022-12-13 13:48:12,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:48:12,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:48:12,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:48:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:48:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:48:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:48:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:48:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:48:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:48:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:48:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:48:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 13:48:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:48:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:48:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 13:48:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:48:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:48:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:48:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:48:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 13:48:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:48:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 13:48:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:48:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 13:48:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:48:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 13:48:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:48:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 13:48:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 13:48:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-12-13 13:48:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-12-13 13:48:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 13:48:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-12-13 13:48:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 13:48:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 13:48:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:48:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:48:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 13:48:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-12-13 13:48:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-12-13 13:48:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-12-13 13:48:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:12,940 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2022-12-13 13:48:12,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:48:12,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115006993] [2022-12-13 13:48:12,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115006993] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:48:12,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:48:12,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 13:48:12,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348871265] [2022-12-13 13:48:12,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:48:12,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 13:48:12,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:48:12,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 13:48:12,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 13:48:12,941 INFO L87 Difference]: Start difference. First operand 324094 states and 453375 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 13:48:55,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:48:55,910 INFO L93 Difference]: Finished difference Result 988133 states and 1406113 transitions. [2022-12-13 13:48:55,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:48:55,911 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 272 [2022-12-13 13:48:55,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:48:58,917 INFO L225 Difference]: With dead ends: 988133 [2022-12-13 13:48:58,917 INFO L226 Difference]: Without dead ends: 664071 [2022-12-13 13:48:59,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:48:59,881 INFO L413 NwaCegarLoop]: 2875 mSDtfsCounter, 3398 mSDsluCounter, 6093 mSDsCounter, 0 mSdLazyCounter, 5113 mSolverCounterSat, 2649 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3733 SdHoareTripleChecker+Valid, 8968 SdHoareTripleChecker+Invalid, 7762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2649 IncrementalHoareTripleChecker+Valid, 5113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-12-13 13:48:59,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3733 Valid, 8968 Invalid, 7762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2649 Valid, 5113 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-12-13 13:49:00,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664071 states. [2022-12-13 13:49:27,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664071 to 541411. [2022-12-13 13:49:27,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541411 states, 379088 states have (on average 1.308762081627485) internal successors, (496136), 385259 states have internal predecessors, (496136), 127698 states have call successors, (127698), 34501 states have call predecessors, (127698), 34624 states have return successors, (129441), 126240 states have call predecessors, (129441), 127697 states have call successors, (129441) [2022-12-13 13:49:30,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541411 states to 541411 states and 753275 transitions. [2022-12-13 13:49:30,225 INFO L78 Accepts]: Start accepts. Automaton has 541411 states and 753275 transitions. Word has length 272 [2022-12-13 13:49:30,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:49:30,226 INFO L495 AbstractCegarLoop]: Abstraction has 541411 states and 753275 transitions. [2022-12-13 13:49:30,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 13:49:30,226 INFO L276 IsEmpty]: Start isEmpty. Operand 541411 states and 753275 transitions. [2022-12-13 13:49:30,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2022-12-13 13:49:30,245 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:49:30,245 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:49:30,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 13:49:30,246 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:49:30,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:49:30,246 INFO L85 PathProgramCache]: Analyzing trace with hash 547793768, now seen corresponding path program 1 times [2022-12-13 13:49:30,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:49:30,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679903688] [2022-12-13 13:49:30,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:49:30,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:49:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:49:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:49:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:49:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:49:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:49:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:49:30,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:49:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:49:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:49:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 13:49:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:49:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:49:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 13:49:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:49:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:49:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:49:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:49:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 13:49:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:49:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 13:49:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:49:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 13:49:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:49:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 13:49:30,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:49:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 13:49:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 13:49:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:49:30,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:49:30,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 13:49:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 13:49:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 13:49:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-12-13 13:49:30,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-12-13 13:49:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-12-13 13:49:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-12-13 13:49:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 13:49:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:49:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:49:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 13:49:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-12-13 13:49:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 13:49:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-12-13 13:49:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:30,838 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2022-12-13 13:49:30,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:49:30,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679903688] [2022-12-13 13:49:30,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679903688] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:49:30,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:49:30,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 13:49:30,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190473431] [2022-12-13 13:49:30,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:49:30,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 13:49:30,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:49:30,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 13:49:30,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 13:49:30,841 INFO L87 Difference]: Start difference. First operand 541411 states and 753275 transitions. Second operand has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 13:50:16,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:50:16,067 INFO L93 Difference]: Finished difference Result 1213829 states and 1718711 transitions. [2022-12-13 13:50:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:50:16,067 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 313 [2022-12-13 13:50:16,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:50:19,232 INFO L225 Difference]: With dead ends: 1213829 [2022-12-13 13:50:19,232 INFO L226 Difference]: Without dead ends: 672450 [2022-12-13 13:50:20,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:50:20,803 INFO L413 NwaCegarLoop]: 1772 mSDtfsCounter, 1567 mSDsluCounter, 4371 mSDsCounter, 0 mSdLazyCounter, 3122 mSolverCounterSat, 1768 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1659 SdHoareTripleChecker+Valid, 6143 SdHoareTripleChecker+Invalid, 4890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1768 IncrementalHoareTripleChecker+Valid, 3122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-13 13:50:20,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1659 Valid, 6143 Invalid, 4890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1768 Valid, 3122 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-12-13 13:50:21,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672450 states. [2022-12-13 13:50:48,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672450 to 541919. [2022-12-13 13:50:48,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541919 states, 379596 states have (on average 1.3083488761736162) internal successors, (496644), 385767 states have internal predecessors, (496644), 127698 states have call successors, (127698), 34501 states have call predecessors, (127698), 34624 states have return successors, (129441), 126240 states have call predecessors, (129441), 127697 states have call successors, (129441) [2022-12-13 13:50:51,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541919 states to 541919 states and 753783 transitions. [2022-12-13 13:50:51,375 INFO L78 Accepts]: Start accepts. Automaton has 541919 states and 753783 transitions. Word has length 313 [2022-12-13 13:50:51,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:50:51,376 INFO L495 AbstractCegarLoop]: Abstraction has 541919 states and 753783 transitions. [2022-12-13 13:50:51,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 13:50:51,376 INFO L276 IsEmpty]: Start isEmpty. Operand 541919 states and 753783 transitions. [2022-12-13 13:50:51,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-12-13 13:50:51,388 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:50:51,388 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:50:51,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 13:50:51,389 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:50:51,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:50:51,389 INFO L85 PathProgramCache]: Analyzing trace with hash 994789717, now seen corresponding path program 1 times [2022-12-13 13:50:51,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:50:51,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212968202] [2022-12-13 13:50:51,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:50:51,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:50:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:50:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:50:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:50:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:50:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:50:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:50:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:50:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:50:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:50:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 13:50:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:50:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:50:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 13:50:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:50:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:50:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:50:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:50:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 13:50:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:50:51,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 13:50:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:50:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 13:50:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:50:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 13:50:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:50:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 13:50:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 13:50:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:50:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:50:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 13:50:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 13:50:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 13:50:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 13:50:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-12-13 13:50:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 13:50:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 13:50:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-12-13 13:50:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:50:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:50:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-12-13 13:50:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-12-13 13:50:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-12-13 13:50:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-12-13 13:50:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:51,968 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2022-12-13 13:50:51,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:50:51,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212968202] [2022-12-13 13:50:51,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212968202] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:50:51,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784920041] [2022-12-13 13:50:51,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:50:51,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:50:51,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:50:51,969 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:50:51,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 13:50:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:52,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 4909 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 13:50:52,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:50:52,688 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2022-12-13 13:50:52,688 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:50:52,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784920041] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:50:52,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 13:50:52,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-12-13 13:50:52,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163030178] [2022-12-13 13:50:52,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:50:52,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:50:52,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:50:52,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:50:52,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 13:50:52,691 INFO L87 Difference]: Start difference. First operand 541919 states and 753783 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-13 13:51:17,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:51:17,891 INFO L93 Difference]: Finished difference Result 1084060 states and 1508032 transitions. [2022-12-13 13:51:17,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:51:17,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 325 [2022-12-13 13:51:17,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:51:20,024 INFO L225 Difference]: With dead ends: 1084060 [2022-12-13 13:51:20,024 INFO L226 Difference]: Without dead ends: 542173 [2022-12-13 13:51:21,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 13:51:21,223 INFO L413 NwaCegarLoop]: 2250 mSDtfsCounter, 0 mSDsluCounter, 2245 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4495 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:51:21,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4495 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:51:21,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542173 states. [2022-12-13 13:51:46,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542173 to 542173. [2022-12-13 13:51:46,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542173 states, 379850 states have (on average 1.3081426879031197) internal successors, (496898), 386021 states have internal predecessors, (496898), 127698 states have call successors, (127698), 34501 states have call predecessors, (127698), 34624 states have return successors, (129441), 126240 states have call predecessors, (129441), 127697 states have call successors, (129441) [2022-12-13 13:51:49,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542173 states to 542173 states and 754037 transitions. [2022-12-13 13:51:49,116 INFO L78 Accepts]: Start accepts. Automaton has 542173 states and 754037 transitions. Word has length 325 [2022-12-13 13:51:49,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:51:49,116 INFO L495 AbstractCegarLoop]: Abstraction has 542173 states and 754037 transitions. [2022-12-13 13:51:49,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-13 13:51:49,117 INFO L276 IsEmpty]: Start isEmpty. Operand 542173 states and 754037 transitions. [2022-12-13 13:51:49,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-12-13 13:51:49,128 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:51:49,128 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:51:49,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-12-13 13:51:49,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-13 13:51:49,329 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:51:49,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:51:49,330 INFO L85 PathProgramCache]: Analyzing trace with hash 662146579, now seen corresponding path program 1 times [2022-12-13 13:51:49,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:51:49,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780494304] [2022-12-13 13:51:49,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:51:49,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:51:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:51:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:51:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:51:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:51:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:51:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:51:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:51:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:51:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:51:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 13:51:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:51:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:51:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 13:51:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:51:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:51:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:51:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:51:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 13:51:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:51:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 13:51:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:51:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 13:51:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:51:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 13:51:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:51:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 13:51:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 13:51:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:51:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:51:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 13:51:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 13:51:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 13:51:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 13:51:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-12-13 13:51:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 13:51:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 13:51:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-12-13 13:51:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:51:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:51:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-12-13 13:51:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-12-13 13:51:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-12-13 13:51:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-12-13 13:51:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:49,929 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2022-12-13 13:51:49,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:51:49,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780494304] [2022-12-13 13:51:49,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780494304] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:51:49,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685502603] [2022-12-13 13:51:49,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:51:49,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:51:49,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:51:49,930 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:51:49,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e819445b-f6ca-4dec-9c7f-bc62a677ac92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 13:51:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:50,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 4912 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 13:51:50,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:51:50,864 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-12-13 13:51:50,864 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:51:50,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685502603] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:51:50,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 13:51:50,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-12-13 13:51:50,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952893040] [2022-12-13 13:51:50,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:51:50,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:51:50,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:51:50,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:51:50,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 13:51:50,867 INFO L87 Difference]: Start difference. First operand 542173 states and 754037 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29)