./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--atm--nicstar.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_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/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_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/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_579dc40f-c295-464e-af5c-e8bd29c18561/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 4a1e17c33569fa40e536cd8c869720d5a80d6c0d7c343e9efbe1ac963f2ae01b --- 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 22:25:44,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:25:44,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:25:44,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:25:44,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:25:44,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:25:44,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:25:44,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:25:44,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:25:44,641 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:25:44,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:25:44,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:25:44,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:25:44,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:25:44,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:25:44,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:25:44,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:25:44,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:25:44,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:25:44,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:25:44,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:25:44,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:25:44,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:25:44,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:25:44,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:25:44,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:25:44,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:25:44,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:25:44,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:25:44,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:25:44,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:25:44,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:25:44,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:25:44,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:25:44,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:25:44,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:25:44,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:25:44,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:25:44,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:25:44,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:25:44,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:25:44,667 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 22:25:44,685 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:25:44,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:25:44,685 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:25:44,686 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:25:44,686 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:25:44,686 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:25:44,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:25:44,687 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:25:44,687 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:25:44,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:25:44,688 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:25:44,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:25:44,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:25:44,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:25:44,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:25:44,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:25:44,688 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:25:44,689 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:25:44,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:25:44,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:25:44,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:25:44,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:25:44,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:25:44,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:25:44,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:25:44,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:25:44,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 22:25:44,690 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:25:44,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:25:44,691 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:25:44,691 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:25:44,691 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:25:44,691 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_579dc40f-c295-464e-af5c-e8bd29c18561/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a1e17c33569fa40e536cd8c869720d5a80d6c0d7c343e9efbe1ac963f2ae01b [2022-12-13 22:25:44,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:25:44,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:25:44,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:25:44,911 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:25:44,912 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:25:44,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i [2022-12-13 22:25:47,492 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:25:47,839 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:25:47,840 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i [2022-12-13 22:25:47,865 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/data/7e4709641/7c47703e9d7a42fcab9bb4bbdfb1a387/FLAG26b3aa276 [2022-12-13 22:25:47,876 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/data/7e4709641/7c47703e9d7a42fcab9bb4bbdfb1a387 [2022-12-13 22:25:47,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:25:47,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:25:47,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:25:47,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:25:47,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:25:47,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:25:47" (1/1) ... [2022-12-13 22:25:47,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50f4bf2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:25:47, skipping insertion in model container [2022-12-13 22:25:47,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:25:47" (1/1) ... [2022-12-13 22:25:47,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:25:47,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:25:48,481 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 22:25:48,520 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 22:25:48,531 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 22:25:48,542 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 22:25:48,577 WARN L623 FunctionHandler]: Unknown extern function ktime_get_with_offset [2022-12-13 22:25:48,613 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-13 22:25:48,639 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 22:25:48,641 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 22:25:48,641 WARN L623 FunctionHandler]: Unknown extern function idr_find_slowpath [2022-12-13 22:25:48,719 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 22:25:48,719 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 22:25:48,720 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 22:25:48,724 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 22:25:48,724 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 22:25:48,725 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 22:25:48,753 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 22:25:48,756 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 22:25:48,757 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 22:25:48,762 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 22:25:48,767 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-13 22:25:48,782 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-13 22:25:48,786 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-13 22:25:48,817 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 22:25:48,874 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 22:25:48,892 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-13 22:25:48,895 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 22:25:48,922 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-13 22:25:49,003 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 22:25:49,005 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 22:25:49,006 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 22:25:49,007 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 22:25:49,008 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 22:25:49,008 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 22:25:49,013 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 22:25:49,014 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 22:25:49,014 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 22:25:49,015 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 22:25:49,019 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 22:25:49,122 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 22:25:49,122 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-13 22:25:49,123 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-13 22:25:49,123 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-13 22:25:49,123 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-13 22:25:49,125 WARN L623 FunctionHandler]: Unknown extern function idr_destroy [2022-12-13 22:25:49,125 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 22:25:49,125 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 22:25:49,126 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 22:25:49,126 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:25:49,132 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 22:25:49,141 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 22:25:49,141 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,142 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,143 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,143 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 22:25:49,144 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 22:25:49,145 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,145 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 22:25:49,146 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,147 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:25:49,147 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:25:49,148 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:25:49,148 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:25:49,149 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:25:49,149 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:25:49,149 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:25:49,150 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:25:49,151 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,152 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,153 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,154 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,156 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-13 22:25:49,156 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,158 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-13 22:25:49,159 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,162 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,167 WARN L623 FunctionHandler]: Unknown extern function idr_init [2022-12-13 22:25:49,168 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,168 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,169 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,170 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,171 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,172 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,173 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,174 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,175 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,175 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,177 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,178 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,179 WARN L623 FunctionHandler]: Unknown extern function mac_pton [2022-12-13 22:25:49,181 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,182 WARN L623 FunctionHandler]: Unknown extern function suni_init [2022-12-13 22:25:49,182 WARN L623 FunctionHandler]: Unknown extern function idt77105_init [2022-12-13 22:25:49,186 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-13 22:25:49,186 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-13 22:25:49,187 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-13 22:25:49,187 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-13 22:25:49,188 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:25:49,188 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:25:49,189 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 22:25:49,189 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 22:25:49,189 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:25:49,190 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-13 22:25:49,191 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:25:49,192 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:25:49,192 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:25:49,193 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 22:25:49,194 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 22:25:49,197 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,199 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:25:49,199 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 22:25:49,200 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:25:49,203 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 22:25:49,203 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 22:25:49,204 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 22:25:49,204 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 22:25:49,205 WARN L623 FunctionHandler]: Unknown extern function idr_alloc [2022-12-13 22:25:49,205 WARN L623 FunctionHandler]: Unknown extern function idr_alloc [2022-12-13 22:25:49,210 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,211 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,212 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,213 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,214 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,215 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,216 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,217 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,221 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,223 WARN L623 FunctionHandler]: Unknown extern function atm_pcr_goal [2022-12-13 22:25:49,224 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,235 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 22:25:49,239 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,242 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,242 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,243 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,243 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,248 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,249 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 22:25:49,250 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 22:25:49,250 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 22:25:49,251 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,253 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,254 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 22:25:49,255 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 22:25:49,256 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 22:25:49,261 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,262 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 22:25:49,264 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,270 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-12-13 22:25:49,271 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,273 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,273 WARN L623 FunctionHandler]: Unknown extern function atm_charge [2022-12-13 22:25:49,274 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 22:25:49,275 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 22:25:49,276 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-13 22:25:49,276 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,277 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,278 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,280 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,281 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,281 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,282 WARN L623 FunctionHandler]: Unknown extern function atm_charge [2022-12-13 22:25:49,282 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 22:25:49,283 WARN L623 FunctionHandler]: Unknown extern function atm_charge [2022-12-13 22:25:49,284 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 22:25:49,284 WARN L623 FunctionHandler]: Unknown extern function atm_charge [2022-12-13 22:25:49,285 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 22:25:49,285 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 22:25:49,286 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-13 22:25:49,286 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,287 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,288 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,288 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,289 WARN L623 FunctionHandler]: Unknown extern function atm_charge [2022-12-13 22:25:49,289 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,290 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 22:25:49,291 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 22:25:49,293 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,294 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,294 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 22:25:49,295 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,296 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,296 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 22:25:49,297 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,297 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,298 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 22:25:49,299 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 22:25:49,300 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 22:25:49,300 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 22:25:49,301 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 22:25:49,301 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 22:25:49,302 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 22:25:49,305 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 22:25:49,308 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 22:25:49,308 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,309 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,310 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-13 22:25:49,310 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,311 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,312 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-13 22:25:49,312 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,313 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,314 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,355 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 22:25:49,361 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-13 22:25:49,362 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-13 22:25:49,366 WARN L623 FunctionHandler]: Unknown extern function atm_dev_deregister [2022-12-13 22:25:49,367 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 22:25:49,367 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 22:25:49,368 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 22:25:49,369 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 22:25:49,370 WARN L623 FunctionHandler]: Unknown extern function atm_dev_register [2022-12-13 22:25:49,371 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 22:25:49,371 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 22:25:49,376 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_579dc40f-c295-464e-af5c-e8bd29c18561/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i[321673,321686] [2022-12-13 22:25:49,407 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-13 22:25:49,426 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-12-13 22:25:49,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:25:49,458 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:25:49,570 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 22:25:49,571 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 22:25:49,571 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 22:25:49,571 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 22:25:49,572 WARN L623 FunctionHandler]: Unknown extern function ktime_get_with_offset [2022-12-13 22:25:49,573 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-13 22:25:49,574 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 22:25:49,575 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 22:25:49,575 WARN L623 FunctionHandler]: Unknown extern function idr_find_slowpath [2022-12-13 22:25:49,577 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 22:25:49,577 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 22:25:49,577 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 22:25:49,578 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 22:25:49,578 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 22:25:49,579 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 22:25:49,582 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 22:25:49,583 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 22:25:49,583 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 22:25:49,584 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 22:25:49,585 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-13 22:25:49,586 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-13 22:25:49,586 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-13 22:25:49,589 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 22:25:49,591 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 22:25:49,592 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-13 22:25:49,592 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 22:25:49,593 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-13 22:25:49,597 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 22:25:49,598 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 22:25:49,599 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 22:25:49,600 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 22:25:49,601 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 22:25:49,601 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 22:25:49,603 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 22:25:49,603 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 22:25:49,603 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 22:25:49,604 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 22:25:49,605 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 22:25:49,610 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 22:25:49,610 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-13 22:25:49,611 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-13 22:25:49,611 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-13 22:25:49,611 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-13 22:25:49,612 WARN L623 FunctionHandler]: Unknown extern function idr_destroy [2022-12-13 22:25:49,612 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 22:25:49,612 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 22:25:49,613 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 22:25:49,613 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:25:49,615 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 22:25:49,618 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 22:25:49,618 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,618 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,619 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,619 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 22:25:49,620 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 22:25:49,620 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,620 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 22:25:49,621 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,621 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:25:49,622 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:25:49,622 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:25:49,622 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:25:49,622 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:25:49,622 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:25:49,623 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:25:49,623 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:25:49,624 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,625 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,625 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,626 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,652 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-13 22:25:49,653 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,654 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-13 22:25:49,655 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,656 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,660 WARN L623 FunctionHandler]: Unknown extern function idr_init [2022-12-13 22:25:49,661 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,661 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,662 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,662 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,663 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,664 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,664 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,665 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,666 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,666 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,668 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,669 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,669 WARN L623 FunctionHandler]: Unknown extern function mac_pton [2022-12-13 22:25:49,670 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,672 WARN L623 FunctionHandler]: Unknown extern function suni_init [2022-12-13 22:25:49,673 WARN L623 FunctionHandler]: Unknown extern function idt77105_init [2022-12-13 22:25:49,677 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-13 22:25:49,677 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-13 22:25:49,678 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-13 22:25:49,678 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-13 22:25:49,679 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:25:49,679 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:25:49,679 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 22:25:49,680 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 22:25:49,680 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:25:49,681 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-13 22:25:49,682 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:25:49,683 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:25:49,683 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:25:49,684 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 22:25:49,685 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 22:25:49,694 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,700 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:25:49,700 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 22:25:49,701 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:25:49,704 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 22:25:49,704 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 22:25:49,704 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 22:25:49,705 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 22:25:49,705 WARN L623 FunctionHandler]: Unknown extern function idr_alloc [2022-12-13 22:25:49,705 WARN L623 FunctionHandler]: Unknown extern function idr_alloc [2022-12-13 22:25:49,711 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,712 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,712 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,713 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,714 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,715 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,716 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,717 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,720 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,722 WARN L623 FunctionHandler]: Unknown extern function atm_pcr_goal [2022-12-13 22:25:49,723 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,732 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 22:25:49,736 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,738 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,739 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,739 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,740 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,745 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,746 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 22:25:49,746 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 22:25:49,747 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 22:25:49,747 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,749 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,750 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 22:25:49,751 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 22:25:49,751 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 22:25:49,756 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,757 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 22:25:49,759 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,768 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-12-13 22:25:49,769 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,770 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,771 WARN L623 FunctionHandler]: Unknown extern function atm_charge [2022-12-13 22:25:49,771 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 22:25:49,772 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 22:25:49,777 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-13 22:25:49,777 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,778 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,779 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,781 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,781 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,782 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,783 WARN L623 FunctionHandler]: Unknown extern function atm_charge [2022-12-13 22:25:49,783 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 22:25:49,788 WARN L623 FunctionHandler]: Unknown extern function atm_charge [2022-12-13 22:25:49,789 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 22:25:49,794 WARN L623 FunctionHandler]: Unknown extern function atm_charge [2022-12-13 22:25:49,794 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 22:25:49,795 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 22:25:49,800 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-13 22:25:49,800 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,801 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,802 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,803 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,803 WARN L623 FunctionHandler]: Unknown extern function atm_charge [2022-12-13 22:25:49,804 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,804 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 22:25:49,805 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 22:25:49,812 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,813 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,813 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 22:25:49,814 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,815 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,815 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 22:25:49,816 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,816 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,817 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 22:25:49,818 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 22:25:49,818 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 22:25:49,819 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 22:25:49,819 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 22:25:49,820 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 22:25:49,821 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 22:25:49,823 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 22:25:49,826 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 22:25:49,826 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,827 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,828 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-13 22:25:49,828 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,829 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,830 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-13 22:25:49,830 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,831 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:25:49,843 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 22:25:49,852 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 22:25:49,855 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-13 22:25:49,856 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-13 22:25:49,858 WARN L623 FunctionHandler]: Unknown extern function atm_dev_deregister [2022-12-13 22:25:49,859 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 22:25:49,859 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 22:25:49,859 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 22:25:49,860 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 22:25:49,861 WARN L623 FunctionHandler]: Unknown extern function atm_dev_register [2022-12-13 22:25:49,861 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 22:25:49,861 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 22:25:49,862 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_579dc40f-c295-464e-af5c-e8bd29c18561/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i[321673,321686] [2022-12-13 22:25:49,863 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-13 22:25:49,867 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-12-13 22:25:49,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:25:49,925 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:25:49,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:25:49 WrapperNode [2022-12-13 22:25:49,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:25:49,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:25:49,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:25:49,926 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:25:49,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:25:49" (1/1) ... [2022-12-13 22:25:49,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:25:49" (1/1) ... [2022-12-13 22:25:50,130 INFO L138 Inliner]: procedures = 252, calls = 2329, calls flagged for inlining = 114, calls inlined = 111, statements flattened = 6002 [2022-12-13 22:25:50,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:25:50,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:25:50,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:25:50,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:25:50,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:25:49" (1/1) ... [2022-12-13 22:25:50,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:25:49" (1/1) ... [2022-12-13 22:25:50,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:25:49" (1/1) ... [2022-12-13 22:25:50,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:25:49" (1/1) ... [2022-12-13 22:25:50,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:25:49" (1/1) ... [2022-12-13 22:25:50,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:25:49" (1/1) ... [2022-12-13 22:25:50,323 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:25:49" (1/1) ... [2022-12-13 22:25:50,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:25:49" (1/1) ... [2022-12-13 22:25:50,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:25:50,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:25:50,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:25:50,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:25:50,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:25:49" (1/1) ... [2022-12-13 22:25:50,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:25:50,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:25:50,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:25:50,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:25:50,419 INFO L130 BoogieDeclarations]: Found specification of procedure atm_charge [2022-12-13 22:25:50,420 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_charge [2022-12-13 22:25:50,420 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-12-13 22:25:50,420 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-12-13 22:25:50,420 INFO L130 BoogieDeclarations]: Found specification of procedure process_tsq [2022-12-13 22:25:50,420 INFO L138 BoogieDeclarations]: Found implementation of procedure process_tsq [2022-12-13 22:25:50,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 22:25:50,420 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-12-13 22:25:50,420 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-12-13 22:25:50,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 22:25:50,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 22:25:50,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 22:25:50,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 22:25:50,420 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 22:25:50,420 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-12-13 22:25:50,421 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-12-13 22:25:50,421 INFO L130 BoogieDeclarations]: Found specification of procedure ns_open [2022-12-13 22:25:50,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_open [2022-12-13 22:25:50,421 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-12-13 22:25:50,421 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-12-13 22:25:50,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-12-13 22:25:50,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-12-13 22:25:50,421 INFO L130 BoogieDeclarations]: Found specification of procedure ns_read_sram [2022-12-13 22:25:50,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_read_sram [2022-12-13 22:25:50,421 INFO L130 BoogieDeclarations]: Found specification of procedure get_scq [2022-12-13 22:25:50,421 INFO L138 BoogieDeclarations]: Found implementation of procedure get_scq [2022-12-13 22:25:50,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 22:25:50,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 22:25:50,421 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_rx_buf [2022-12-13 22:25:50,421 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_rx_buf [2022-12-13 22:25:50,421 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-13 22:25:50,422 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-13 22:25:50,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 22:25:50,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 22:25:50,422 INFO L130 BoogieDeclarations]: Found specification of procedure __net_timestamp [2022-12-13 22:25:50,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __net_timestamp [2022-12-13 22:25:50,422 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-13 22:25:50,422 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-13 22:25:50,422 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-13 22:25:50,422 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-13 22:25:50,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 22:25:50,422 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 22:25:50,422 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 22:25:50,422 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 22:25:50,422 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 22:25:50,422 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 22:25:50,422 INFO L130 BoogieDeclarations]: Found specification of procedure ns_ioctl [2022-12-13 22:25:50,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_ioctl [2022-12-13 22:25:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-12-13 22:25:50,423 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-12-13 22:25:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 22:25:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-13 22:25:50,423 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-13 22:25:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure process_rsq [2022-12-13 22:25:50,423 INFO L138 BoogieDeclarations]: Found implementation of procedure process_rsq [2022-12-13 22:25:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 22:25:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-13 22:25:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-12-13 22:25:50,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-12-13 22:25:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 22:25:50,423 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 22:25:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2022-12-13 22:25:50,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2022-12-13 22:25:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 22:25:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-12-13 22:25:50,424 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-12-13 22:25:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-12-13 22:25:50,424 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-12-13 22:25:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 22:25:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue_sm_buf [2022-12-13 22:25:50,424 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue_sm_buf [2022-12-13 22:25:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-12-13 22:25:50,424 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-12-13 22:25:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-12-13 22:25:50,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-12-13 22:25:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 22:25:50,424 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 22:25:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure push_rxbufs [2022-12-13 22:25:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure push_rxbufs [2022-12-13 22:25:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 22:25:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure ns_phy_get [2022-12-13 22:25:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_phy_get [2022-12-13 22:25:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-13 22:25:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-13 22:25:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-13 22:25:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-13 22:25:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-12-13 22:25:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-12-13 22:25:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 22:25:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure ns_close [2022-12-13 22:25:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_close [2022-12-13 22:25:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-12-13 22:25:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-12-13 22:25:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-12-13 22:25:50,426 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-12-13 22:25:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 22:25:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-13 22:25:50,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-13 22:25:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure nicstar_read_eprom [2022-12-13 22:25:50,426 INFO L138 BoogieDeclarations]: Found implementation of procedure nicstar_read_eprom [2022-12-13 22:25:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 22:25:50,426 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 22:25:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure ns_phy_put [2022-12-13 22:25:50,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_phy_put [2022-12-13 22:25:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-13 22:25:50,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-13 22:25:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_iov_buf [2022-12-13 22:25:50,426 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_iov_buf [2022-12-13 22:25:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-12-13 22:25:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-12-13 22:25:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 22:25:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 22:25:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 22:25:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-13 22:25:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-13 22:25:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-12-13 22:25:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-12-13 22:25:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure ns_send [2022-12-13 22:25:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_send [2022-12-13 22:25:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-12-13 22:25:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-12-13 22:25:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-12-13 22:25:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-12-13 22:25:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-12-13 22:25:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-12-13 22:25:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 22:25:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 22:25:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-12-13 22:25:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-12-13 22:25:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-13 22:25:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-13 22:25:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 22:25:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-13 22:25:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-13 22:25:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-12-13 22:25:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-12-13 22:25:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-12-13 22:25:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-12-13 22:25:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2022-12-13 22:25:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2022-12-13 22:25:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:25:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-13 22:25:50,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-13 22:25:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-13 22:25:50,429 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-13 22:25:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-13 22:25:50,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-13 22:25:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 22:25:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-13 22:25:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-12-13 22:25:50,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-12-13 22:25:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-12-13 22:25:50,429 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-12-13 22:25:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-12-13 22:25:50,429 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-12-13 22:25:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-13 22:25:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-13 22:25:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure free_scq [2022-12-13 22:25:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure free_scq [2022-12-13 22:25:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2022-12-13 22:25:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2022-12-13 22:25:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2022-12-13 22:25:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2022-12-13 22:25:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_iovec_rx_bufs [2022-12-13 22:25:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_iovec_rx_bufs [2022-12-13 22:25:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-12-13 22:25:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-12-13 22:25:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure nicstar_remove_one [2022-12-13 22:25:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure nicstar_remove_one [2022-12-13 22:25:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2022-12-13 22:25:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2022-12-13 22:25:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-13 22:25:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-13 22:25:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-12-13 22:25:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-12-13 22:25:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure ns_init_card_error [2022-12-13 22:25:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_init_card_error [2022-12-13 22:25:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-13 22:25:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-13 22:25:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-13 22:25:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-13 22:25:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-13 22:25:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-13 22:25:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure ns_write_sram [2022-12-13 22:25:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_write_sram [2022-12-13 22:25:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-12-13 22:25:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-12-13 22:25:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 22:25:50,432 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-13 22:25:50,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-13 22:25:50,432 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-12-13 22:25:50,432 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-12-13 22:25:50,432 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-12-13 22:25:50,432 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-12-13 22:25:50,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:25:50,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:25:50,461 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-12-13 22:25:50,461 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-12-13 22:25:51,033 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:25:51,036 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:25:51,899 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 22:25:57,061 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:25:57,080 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:25:57,080 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 22:25:57,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:25:57 BoogieIcfgContainer [2022-12-13 22:25:57,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:25:57,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:25:57,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:25:57,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:25:57,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:25:47" (1/3) ... [2022-12-13 22:25:57,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d33b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:25:57, skipping insertion in model container [2022-12-13 22:25:57,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:25:49" (2/3) ... [2022-12-13 22:25:57,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d33b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:25:57, skipping insertion in model container [2022-12-13 22:25:57,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:25:57" (3/3) ... [2022-12-13 22:25:57,091 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i [2022-12-13 22:25:57,105 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:25:57,105 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 22:25:57,178 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:25:57,183 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;@18a72575, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:25:57,183 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 22:25:57,192 INFO L276 IsEmpty]: Start isEmpty. Operand has 2010 states, 1354 states have (on average 1.344165435745938) internal successors, (1820), 1425 states have internal predecessors, (1820), 569 states have call successors, (569), 90 states have call predecessors, (569), 89 states have return successors, (563), 552 states have call predecessors, (563), 563 states have call successors, (563) [2022-12-13 22:25:57,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-12-13 22:25:57,211 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:25:57,212 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:25:57,213 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:25:57,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:25:57,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1522665938, now seen corresponding path program 1 times [2022-12-13 22:25:57,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:25:57,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069660436] [2022-12-13 22:25:57,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:25:57,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:25:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:57,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:25:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:57,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:57,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:25:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:57,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 22:25:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:57,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:57,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:25:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:57,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 22:25:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:57,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:57,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:25:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:57,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:25:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:57,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:57,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:25:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:57,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 22:25:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:57,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:57,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:25:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:57,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 22:25:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:57,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:57,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 22:25:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:57,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:57,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 22:25:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:57,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:57,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 22:25:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:57,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:57,958 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-12-13 22:25:57,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:25:57,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069660436] [2022-12-13 22:25:57,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069660436] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:25:57,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:25:57,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:25:57,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200178133] [2022-12-13 22:25:57,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:25:57,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:25:57,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:25:57,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:25:57,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:25:58,002 INFO L87 Difference]: Start difference. First operand has 2010 states, 1354 states have (on average 1.344165435745938) internal successors, (1820), 1425 states have internal predecessors, (1820), 569 states have call successors, (569), 90 states have call predecessors, (569), 89 states have return successors, (563), 552 states have call predecessors, (563), 563 states have call successors, (563) Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-12-13 22:26:00,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:26:08,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:26:09,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:26:09,222 INFO L93 Difference]: Finished difference Result 6140 states and 9383 transitions. [2022-12-13 22:26:09,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:26:09,224 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 149 [2022-12-13 22:26:09,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:26:09,253 INFO L225 Difference]: With dead ends: 6140 [2022-12-13 22:26:09,253 INFO L226 Difference]: Without dead ends: 4092 [2022-12-13 22:26:09,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:26:09,271 INFO L413 NwaCegarLoop]: 2768 mSDtfsCounter, 5269 mSDsluCounter, 3224 mSDsCounter, 0 mSdLazyCounter, 3835 mSolverCounterSat, 4028 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5640 SdHoareTripleChecker+Valid, 5992 SdHoareTripleChecker+Invalid, 7863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4028 IncrementalHoareTripleChecker+Valid, 3835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-12-13 22:26:09,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5640 Valid, 5992 Invalid, 7863 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4028 Valid, 3835 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2022-12-13 22:26:09,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4092 states. [2022-12-13 22:26:09,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4092 to 3448. [2022-12-13 22:26:09,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3448 states, 2324 states have (on average 1.3420826161790018) internal successors, (3119), 2434 states have internal predecessors, (3119), 954 states have call successors, (954), 170 states have call predecessors, (954), 169 states have return successors, (953), 931 states have call predecessors, (953), 953 states have call successors, (953) [2022-12-13 22:26:09,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3448 states to 3448 states and 5026 transitions. [2022-12-13 22:26:09,496 INFO L78 Accepts]: Start accepts. Automaton has 3448 states and 5026 transitions. Word has length 149 [2022-12-13 22:26:09,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:26:09,496 INFO L495 AbstractCegarLoop]: Abstraction has 3448 states and 5026 transitions. [2022-12-13 22:26:09,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-12-13 22:26:09,497 INFO L276 IsEmpty]: Start isEmpty. Operand 3448 states and 5026 transitions. [2022-12-13 22:26:09,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-12-13 22:26:09,501 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:26:09,501 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:26:09,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 22:26:09,502 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:26:09,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:26:09,502 INFO L85 PathProgramCache]: Analyzing trace with hash 921060964, now seen corresponding path program 1 times [2022-12-13 22:26:09,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:26:09,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075433397] [2022-12-13 22:26:09,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:26:09,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:26:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:09,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:26:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:09,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:09,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:26:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:09,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 22:26:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:09,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:09,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:26:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:09,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 22:26:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:09,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:09,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:26:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:09,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:26:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:09,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:09,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:26:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:09,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 22:26:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:09,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:09,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:26:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:09,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 22:26:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:09,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:09,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 22:26:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:09,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:09,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 22:26:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:09,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:09,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 22:26:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:09,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:09,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 22:26:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:09,783 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-12-13 22:26:09,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:26:09,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075433397] [2022-12-13 22:26:09,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075433397] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:26:09,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:26:09,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:26:09,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310664450] [2022-12-13 22:26:09,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:26:09,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:26:09,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:26:09,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:26:09,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:26:09,786 INFO L87 Difference]: Start difference. First operand 3448 states and 5026 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 22:26:17,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:26:19,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:26:24,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:26:24,070 INFO L93 Difference]: Finished difference Result 10492 states and 15587 transitions. [2022-12-13 22:26:24,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:26:24,071 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 156 [2022-12-13 22:26:24,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:26:24,099 INFO L225 Difference]: With dead ends: 10492 [2022-12-13 22:26:24,099 INFO L226 Difference]: Without dead ends: 7084 [2022-12-13 22:26:24,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 50 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 22:26:24,111 INFO L413 NwaCegarLoop]: 2617 mSDtfsCounter, 4236 mSDsluCounter, 4754 mSDsCounter, 0 mSdLazyCounter, 6196 mSolverCounterSat, 3023 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4661 SdHoareTripleChecker+Valid, 7371 SdHoareTripleChecker+Invalid, 9220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3023 IncrementalHoareTripleChecker+Valid, 6196 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:26:24,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4661 Valid, 7371 Invalid, 9220 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3023 Valid, 6196 Invalid, 1 Unknown, 0 Unchecked, 13.9s Time] [2022-12-13 22:26:24,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7084 states. [2022-12-13 22:26:24,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7084 to 6027. [2022-12-13 22:26:24,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6027 states, 4048 states have (on average 1.3317687747035574) internal successors, (5391), 4244 states have internal predecessors, (5391), 1673 states have call successors, (1673), 302 states have call predecessors, (1673), 305 states have return successors, (1694), 1626 states have call predecessors, (1694), 1672 states have call successors, (1694) [2022-12-13 22:26:24,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6027 states to 6027 states and 8758 transitions. [2022-12-13 22:26:24,340 INFO L78 Accepts]: Start accepts. Automaton has 6027 states and 8758 transitions. Word has length 156 [2022-12-13 22:26:24,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:26:24,341 INFO L495 AbstractCegarLoop]: Abstraction has 6027 states and 8758 transitions. [2022-12-13 22:26:24,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 22:26:24,341 INFO L276 IsEmpty]: Start isEmpty. Operand 6027 states and 8758 transitions. [2022-12-13 22:26:24,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-12-13 22:26:24,343 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:26:24,343 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:26:24,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 22:26:24,344 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:26:24,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:26:24,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1958714135, now seen corresponding path program 1 times [2022-12-13 22:26:24,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:26:24,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211283612] [2022-12-13 22:26:24,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:26:24,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:26:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:26:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:26:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 22:26:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:26:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 22:26:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:26:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:26:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:26:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 22:26:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:26:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 22:26:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 22:26:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 22:26:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 22:26:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 22:26:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 22:26:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 22:26:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:24,802 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-12-13 22:26:24,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:26:24,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211283612] [2022-12-13 22:26:24,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211283612] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:26:24,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:26:24,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 22:26:24,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671837158] [2022-12-13 22:26:24,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:26:24,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:26:24,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:26:24,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:26:24,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:26:24,803 INFO L87 Difference]: Start difference. First operand 6027 states and 8758 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-13 22:26:34,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:26:42,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:26:42,608 INFO L93 Difference]: Finished difference Result 23117 states and 35478 transitions. [2022-12-13 22:26:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 22:26:42,608 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 174 [2022-12-13 22:26:42,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:26:42,688 INFO L225 Difference]: With dead ends: 23117 [2022-12-13 22:26:42,688 INFO L226 Difference]: Without dead ends: 17130 [2022-12-13 22:26:42,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:26:42,717 INFO L413 NwaCegarLoop]: 2947 mSDtfsCounter, 8266 mSDsluCounter, 8711 mSDsCounter, 0 mSdLazyCounter, 11704 mSolverCounterSat, 8089 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8874 SdHoareTripleChecker+Valid, 11658 SdHoareTripleChecker+Invalid, 19794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8089 IncrementalHoareTripleChecker+Valid, 11704 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-12-13 22:26:42,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8874 Valid, 11658 Invalid, 19794 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8089 Valid, 11704 Invalid, 1 Unknown, 0 Unchecked, 16.7s Time] [2022-12-13 22:26:42,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17130 states. [2022-12-13 22:26:43,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17130 to 12029. [2022-12-13 22:26:43,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12029 states, 8085 states have (on average 1.331230674087817) internal successors, (10763), 8477 states have internal predecessors, (10763), 3333 states have call successors, (3333), 603 states have call predecessors, (3333), 610 states have return successors, (3432), 3240 states have call predecessors, (3432), 3332 states have call successors, (3432) [2022-12-13 22:26:43,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12029 states to 12029 states and 17528 transitions. [2022-12-13 22:26:43,479 INFO L78 Accepts]: Start accepts. Automaton has 12029 states and 17528 transitions. Word has length 174 [2022-12-13 22:26:43,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:26:43,479 INFO L495 AbstractCegarLoop]: Abstraction has 12029 states and 17528 transitions. [2022-12-13 22:26:43,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-13 22:26:43,480 INFO L276 IsEmpty]: Start isEmpty. Operand 12029 states and 17528 transitions. [2022-12-13 22:26:43,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-12-13 22:26:43,481 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:26:43,481 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:26:43,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 22:26:43,482 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:26:43,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:26:43,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1440392085, now seen corresponding path program 1 times [2022-12-13 22:26:43,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:26:43,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858682797] [2022-12-13 22:26:43,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:26:43,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:26:43,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:43,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:26:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:43,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:43,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:26:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:43,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 22:26:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:43,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:43,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:26:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:43,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 22:26:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:43,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:43,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:26:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:43,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:26:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:43,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:43,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:26:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:43,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 22:26:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:43,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:43,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:26:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:43,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 22:26:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:43,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:43,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 22:26:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:43,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:43,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 22:26:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:44,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:44,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 22:26:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:44,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:44,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 22:26:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:44,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 22:26:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:44,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 22:26:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:44,064 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-12-13 22:26:44,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:26:44,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858682797] [2022-12-13 22:26:44,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858682797] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:26:44,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:26:44,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 22:26:44,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581275402] [2022-12-13 22:26:44,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:26:44,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:26:44,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:26:44,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:26:44,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:26:44,067 INFO L87 Difference]: Start difference. First operand 12029 states and 17528 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-13 22:26:48,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:26:55,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:26:57,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:26:59,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:27:10,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:27:10,605 INFO L93 Difference]: Finished difference Result 46231 states and 71162 transitions. [2022-12-13 22:27:10,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 22:27:10,606 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 173 [2022-12-13 22:27:10,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:27:10,728 INFO L225 Difference]: With dead ends: 46231 [2022-12-13 22:27:10,728 INFO L226 Difference]: Without dead ends: 34242 [2022-12-13 22:27:10,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:27:10,776 INFO L413 NwaCegarLoop]: 2913 mSDtfsCounter, 7048 mSDsluCounter, 10520 mSDsCounter, 0 mSdLazyCounter, 15514 mSolverCounterSat, 6311 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7653 SdHoareTripleChecker+Valid, 13433 SdHoareTripleChecker+Invalid, 21826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6311 IncrementalHoareTripleChecker+Valid, 15514 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:27:10,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7653 Valid, 13433 Invalid, 21826 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6311 Valid, 15514 Invalid, 1 Unknown, 0 Unchecked, 24.8s Time] [2022-12-13 22:27:10,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34242 states. [2022-12-13 22:27:11,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34242 to 24049. [2022-12-13 22:27:11,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24049 states, 16171 states have (on average 1.3302826046626677) internal successors, (21512), 16955 states have internal predecessors, (21512), 6653 states have call successors, (6653), 1209 states have call predecessors, (6653), 1224 states have return successors, (6956), 6468 states have call predecessors, (6956), 6652 states have call successors, (6956) [2022-12-13 22:27:12,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24049 states to 24049 states and 35121 transitions. [2022-12-13 22:27:12,132 INFO L78 Accepts]: Start accepts. Automaton has 24049 states and 35121 transitions. Word has length 173 [2022-12-13 22:27:12,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:27:12,133 INFO L495 AbstractCegarLoop]: Abstraction has 24049 states and 35121 transitions. [2022-12-13 22:27:12,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-13 22:27:12,133 INFO L276 IsEmpty]: Start isEmpty. Operand 24049 states and 35121 transitions. [2022-12-13 22:27:12,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-12-13 22:27:12,135 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:27:12,135 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:27:12,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 22:27:12,135 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:27:12,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:27:12,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1877968600, now seen corresponding path program 1 times [2022-12-13 22:27:12,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:27:12,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633899768] [2022-12-13 22:27:12,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:27:12,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:27:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:27:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:27:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:27:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 22:27:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:27:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:27:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 22:27:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:27:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:27:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:27:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:27:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:27:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 22:27:12,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:27:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:27:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 22:27:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:27:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 22:27:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:27:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 22:27:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:27:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 22:27:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:27:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 22:27:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 22:27:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-12-13 22:27:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:12,630 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-12-13 22:27:12,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:27:12,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633899768] [2022-12-13 22:27:12,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633899768] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:27:12,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:27:12,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 22:27:12,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128400874] [2022-12-13 22:27:12,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:27:12,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:27:12,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:27:12,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:27:12,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:27:12,632 INFO L87 Difference]: Start difference. First operand 24049 states and 35121 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-13 22:27:17,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:27:18,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:27:19,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:27:24,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:27:34,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:27:34,381 INFO L93 Difference]: Finished difference Result 92521 states and 142795 transitions. [2022-12-13 22:27:34,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 22:27:34,382 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 175 [2022-12-13 22:27:34,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:27:34,672 INFO L225 Difference]: With dead ends: 92521 [2022-12-13 22:27:34,672 INFO L226 Difference]: Without dead ends: 68512 [2022-12-13 22:27:34,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 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 22:27:34,770 INFO L413 NwaCegarLoop]: 2555 mSDtfsCounter, 9080 mSDsluCounter, 7467 mSDsCounter, 0 mSdLazyCounter, 11062 mSolverCounterSat, 8628 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9687 SdHoareTripleChecker+Valid, 10022 SdHoareTripleChecker+Invalid, 19690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8628 IncrementalHoareTripleChecker+Valid, 11062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:27:34,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9687 Valid, 10022 Invalid, 19690 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8628 Valid, 11062 Invalid, 0 Unknown, 0 Unchecked, 18.5s Time] [2022-12-13 22:27:34,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68512 states. [2022-12-13 22:27:36,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68512 to 48135. [2022-12-13 22:27:37,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48135 states, 32381 states have (on average 1.3294215743800377) internal successors, (43048), 33949 states have internal predecessors, (43048), 13293 states have call successors, (13293), 2429 states have call predecessors, (13293), 2460 states have return successors, (14092), 12924 states have call predecessors, (14092), 13292 states have call successors, (14092) [2022-12-13 22:27:37,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48135 states to 48135 states and 70433 transitions. [2022-12-13 22:27:37,206 INFO L78 Accepts]: Start accepts. Automaton has 48135 states and 70433 transitions. Word has length 175 [2022-12-13 22:27:37,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:27:37,206 INFO L495 AbstractCegarLoop]: Abstraction has 48135 states and 70433 transitions. [2022-12-13 22:27:37,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-13 22:27:37,207 INFO L276 IsEmpty]: Start isEmpty. Operand 48135 states and 70433 transitions. [2022-12-13 22:27:37,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-12-13 22:27:37,208 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:27:37,208 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:27:37,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 22:27:37,208 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:27:37,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:27:37,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1300266426, now seen corresponding path program 1 times [2022-12-13 22:27:37,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:27:37,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504179016] [2022-12-13 22:27:37,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:27:37,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:27:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:27:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:27:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:27:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 22:27:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:27:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:27:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 22:27:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:27:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:27:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:27:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:27:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:27:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 22:27:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:27:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:27:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 22:27:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:27:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 22:27:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:27:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 22:27:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:27:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 22:27:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:27:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 22:27:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 22:27:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 22:27:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:37,588 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-12-13 22:27:37,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:27:37,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504179016] [2022-12-13 22:27:37,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504179016] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:27:37,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:27:37,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 22:27:37,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143242455] [2022-12-13 22:27:37,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:27:37,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:27:37,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:27:37,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:27:37,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:27:37,590 INFO L87 Difference]: Start difference. First operand 48135 states and 70433 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-13 22:27:42,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:27:56,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:27:58,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:27:59,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:28:01,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:28:03,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:28:05,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:28:10,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:28:20,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:28:20,541 INFO L93 Difference]: Finished difference Result 184236 states and 285028 transitions. [2022-12-13 22:28:20,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 22:28:20,542 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 172 [2022-12-13 22:28:20,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:28:21,161 INFO L225 Difference]: With dead ends: 184236 [2022-12-13 22:28:21,161 INFO L226 Difference]: Without dead ends: 136141 [2022-12-13 22:28:21,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:28:21,366 INFO L413 NwaCegarLoop]: 3537 mSDtfsCounter, 6472 mSDsluCounter, 13253 mSDsCounter, 0 mSdLazyCounter, 16669 mSolverCounterSat, 5253 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7070 SdHoareTripleChecker+Valid, 16790 SdHoareTripleChecker+Invalid, 21925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5253 IncrementalHoareTripleChecker+Valid, 16669 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.3s IncrementalHoareTripleChecker+Time [2022-12-13 22:28:21,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7070 Valid, 16790 Invalid, 21925 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5253 Valid, 16669 Invalid, 3 Unknown, 0 Unchecked, 37.3s Time] [2022-12-13 22:28:21,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136141 states. [2022-12-13 22:28:26,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136141 to 95229. [2022-12-13 22:28:26,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95229 states, 64034 states have (on average 1.329731080363557) internal successors, (85148), 67222 states have internal predecessors, (85148), 26317 states have call successors, (26317), 4813 states have call predecessors, (26317), 4877 states have return successors, (28264), 25508 states have call predecessors, (28264), 26316 states have call successors, (28264) [2022-12-13 22:28:26,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95229 states to 95229 states and 139729 transitions. [2022-12-13 22:28:26,784 INFO L78 Accepts]: Start accepts. Automaton has 95229 states and 139729 transitions. Word has length 172 [2022-12-13 22:28:26,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:28:26,784 INFO L495 AbstractCegarLoop]: Abstraction has 95229 states and 139729 transitions. [2022-12-13 22:28:26,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-13 22:28:26,784 INFO L276 IsEmpty]: Start isEmpty. Operand 95229 states and 139729 transitions. [2022-12-13 22:28:26,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-12-13 22:28:26,787 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:28:26,787 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-13 22:28:26,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 22:28:26,788 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:28:26,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:28:26,788 INFO L85 PathProgramCache]: Analyzing trace with hash -544481374, now seen corresponding path program 1 times [2022-12-13 22:28:26,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:28:26,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375643208] [2022-12-13 22:28:26,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:28:26,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:28:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:26,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:28:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:26,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:28:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:26,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:28:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:26,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 22:28:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:26,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:28:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:26,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:28:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:26,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 22:28:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:26,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:28:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:26,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:28:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:26,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:28:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:27,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:28:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:27,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:28:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:27,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 22:28:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:27,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:28:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:27,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:28:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:27,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 22:28:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:27,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:28:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:27,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 22:28:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:27,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:28:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:27,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 22:28:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:27,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:28:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:27,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 22:28:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:27,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:28:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:27,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 22:28:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:27,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:28:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:27,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:28:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:27,103 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-12-13 22:28:27,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:28:27,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375643208] [2022-12-13 22:28:27,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375643208] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:28:27,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:28:27,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:28:27,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363714492] [2022-12-13 22:28:27,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:28:27,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:28:27,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:28:27,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:28:27,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:28:27,105 INFO L87 Difference]: Start difference. First operand 95229 states and 139729 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-12-13 22:28:35,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:28:37,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:28:39,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:28:46,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:28:46,907 INFO L93 Difference]: Finished difference Result 206884 states and 309746 transitions. [2022-12-13 22:28:46,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:28:46,908 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 181 [2022-12-13 22:28:46,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:28:47,351 INFO L225 Difference]: With dead ends: 206884 [2022-12-13 22:28:47,351 INFO L226 Difference]: Without dead ends: 111663 [2022-12-13 22:28:47,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:28:47,804 INFO L413 NwaCegarLoop]: 2250 mSDtfsCounter, 1216 mSDsluCounter, 4760 mSDsCounter, 0 mSdLazyCounter, 4981 mSolverCounterSat, 1459 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1303 SdHoareTripleChecker+Valid, 7010 SdHoareTripleChecker+Invalid, 6442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1459 IncrementalHoareTripleChecker+Valid, 4981 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:28:47,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1303 Valid, 7010 Invalid, 6442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1459 Valid, 4981 Invalid, 2 Unknown, 0 Unchecked, 15.1s Time] [2022-12-13 22:28:47,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111663 states. [2022-12-13 22:28:52,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111663 to 95229. [2022-12-13 22:28:52,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95229 states, 64034 states have (on average 1.3292313458475185) internal successors, (85116), 67222 states have internal predecessors, (85116), 26317 states have call successors, (26317), 4813 states have call predecessors, (26317), 4877 states have return successors, (28264), 25508 states have call predecessors, (28264), 26316 states have call successors, (28264) [2022-12-13 22:28:52,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95229 states to 95229 states and 139697 transitions. [2022-12-13 22:28:52,865 INFO L78 Accepts]: Start accepts. Automaton has 95229 states and 139697 transitions. Word has length 181 [2022-12-13 22:28:52,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:28:52,865 INFO L495 AbstractCegarLoop]: Abstraction has 95229 states and 139697 transitions. [2022-12-13 22:28:52,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-12-13 22:28:52,865 INFO L276 IsEmpty]: Start isEmpty. Operand 95229 states and 139697 transitions. [2022-12-13 22:28:52,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-12-13 22:28:52,868 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:28:52,868 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-13 22:28:52,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 22:28:52,868 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:28:52,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:28:52,869 INFO L85 PathProgramCache]: Analyzing trace with hash -410467868, now seen corresponding path program 1 times [2022-12-13 22:28:52,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:28:52,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547636501] [2022-12-13 22:28:52,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:28:52,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:28:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:28:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:28:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:28:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 22:28:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:28:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:28:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 22:28:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:28:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:28:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:28:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:28:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:28:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 22:28:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:28:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:28:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 22:28:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:28:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 22:28:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:28:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 22:28:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:28:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 22:28:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:28:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 22:28:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:28:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:28:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:53,238 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-12-13 22:28:53,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:28:53,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547636501] [2022-12-13 22:28:53,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547636501] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:28:53,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:28:53,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:28:53,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902284044] [2022-12-13 22:28:53,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:28:53,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:28:53,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:28:53,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:28:53,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:28:53,240 INFO L87 Difference]: Start difference. First operand 95229 states and 139697 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 22:29:01,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:29:09,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:29:09,392 INFO L93 Difference]: Finished difference Result 173904 states and 264442 transitions. [2022-12-13 22:29:09,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:29:09,393 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 181 [2022-12-13 22:29:09,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:29:10,254 INFO L225 Difference]: With dead ends: 173904 [2022-12-13 22:29:10,254 INFO L226 Difference]: Without dead ends: 173901 [2022-12-13 22:29:10,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 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 22:29:10,341 INFO L413 NwaCegarLoop]: 2790 mSDtfsCounter, 4781 mSDsluCounter, 2403 mSDsCounter, 0 mSdLazyCounter, 3198 mSolverCounterSat, 3522 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5141 SdHoareTripleChecker+Valid, 5193 SdHoareTripleChecker+Invalid, 6721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3522 IncrementalHoareTripleChecker+Valid, 3198 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-12-13 22:29:10,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5141 Valid, 5193 Invalid, 6721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3522 Valid, 3198 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2022-12-13 22:29:10,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173901 states. [2022-12-13 22:29:18,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173901 to 150493. [2022-12-13 22:29:18,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150493 states, 99935 states have (on average 1.3200680442287487) internal successors, (131921), 105273 states have internal predecessors, (131921), 41774 states have call successors, (41774), 8209 states have call predecessors, (41774), 8783 states have return successors, (48418), 40395 states have call predecessors, (48418), 41773 states have call successors, (48418) [2022-12-13 22:29:19,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150493 states to 150493 states and 222113 transitions. [2022-12-13 22:29:19,011 INFO L78 Accepts]: Start accepts. Automaton has 150493 states and 222113 transitions. Word has length 181 [2022-12-13 22:29:19,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:29:19,011 INFO L495 AbstractCegarLoop]: Abstraction has 150493 states and 222113 transitions. [2022-12-13 22:29:19,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 22:29:19,011 INFO L276 IsEmpty]: Start isEmpty. Operand 150493 states and 222113 transitions. [2022-12-13 22:29:19,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-12-13 22:29:19,014 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:29:19,014 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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] [2022-12-13 22:29:19,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 22:29:19,015 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:29:19,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:29:19,015 INFO L85 PathProgramCache]: Analyzing trace with hash -938715803, now seen corresponding path program 1 times [2022-12-13 22:29:19,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:29:19,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879941165] [2022-12-13 22:29:19,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:29:19,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:29:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:29:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:29:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:29:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 22:29:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:29:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:29:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 22:29:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:29:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:29:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:29:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:29:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:29:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 22:29:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:29:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:29:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 22:29:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:29:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 22:29:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:29:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 22:29:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:29:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 22:29:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:29:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 22:29:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 22:29:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 22:29:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-12-13 22:29:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:19,563 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-12-13 22:29:19,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:29:19,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879941165] [2022-12-13 22:29:19,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879941165] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:29:19,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037935102] [2022-12-13 22:29:19,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:29:19,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:29:19,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:29:19,565 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:29:19,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 22:29:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:20,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 1917 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 22:29:20,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:29:20,380 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-12-13 22:29:20,380 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:29:20,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2037935102] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:29:20,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 22:29:20,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2022-12-13 22:29:20,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963263189] [2022-12-13 22:29:20,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:29:20,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 22:29:20,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:29:20,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 22:29:20,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-12-13 22:29:20,382 INFO L87 Difference]: Start difference. First operand 150493 states and 222113 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 22:29:32,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:29:32,079 INFO L93 Difference]: Finished difference Result 376025 states and 555128 transitions. [2022-12-13 22:29:32,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 22:29:32,080 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 185 [2022-12-13 22:29:32,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:29:33,466 INFO L225 Difference]: With dead ends: 376025 [2022-12-13 22:29:33,466 INFO L226 Difference]: Without dead ends: 225572 [2022-12-13 22:29:34,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2022-12-13 22:29:34,183 INFO L413 NwaCegarLoop]: 3900 mSDtfsCounter, 2933 mSDsluCounter, 18443 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2933 SdHoareTripleChecker+Valid, 22343 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:29:34,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2933 Valid, 22343 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 22:29:34,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225572 states. [2022-12-13 22:29:45,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225572 to 224967. [2022-12-13 22:29:45,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224967 states, 149429 states have (on average 1.3202858882813913) internal successors, (197289), 157449 states have internal predecessors, (197289), 62383 states have call successors, (62383), 12261 states have call predecessors, (62383), 13154 states have return successors, (72588), 60314 states have call predecessors, (72588), 62382 states have call successors, (72588) [2022-12-13 22:29:47,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224967 states to 224967 states and 332260 transitions. [2022-12-13 22:29:47,554 INFO L78 Accepts]: Start accepts. Automaton has 224967 states and 332260 transitions. Word has length 185 [2022-12-13 22:29:47,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:29:47,554 INFO L495 AbstractCegarLoop]: Abstraction has 224967 states and 332260 transitions. [2022-12-13 22:29:47,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 22:29:47,554 INFO L276 IsEmpty]: Start isEmpty. Operand 224967 states and 332260 transitions. [2022-12-13 22:29:47,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-12-13 22:29:47,558 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:29:47,558 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-13 22:29:47,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 22:29:47,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-12-13 22:29:47,759 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:29:47,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:29:47,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1528013829, now seen corresponding path program 1 times [2022-12-13 22:29:47,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:29:47,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545076054] [2022-12-13 22:29:47,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:29:47,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:29:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:29:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:29:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:29:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 22:29:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:29:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:29:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 22:29:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:29:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:29:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:29:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:29:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:29:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 22:29:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:29:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:29:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 22:29:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:29:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 22:29:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:29:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 22:29:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:29:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 22:29:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:29:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:29:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 22:29:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 22:29:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 22:29:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,310 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-12-13 22:29:48,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:29:48,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545076054] [2022-12-13 22:29:48,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545076054] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:29:48,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106473239] [2022-12-13 22:29:48,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:29:48,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:29:48,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:29:48,312 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:29:48,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 22:29:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:48,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 1919 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 22:29:48,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:29:48,868 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-12-13 22:29:48,868 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:29:48,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1106473239] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:29:48,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 22:29:48,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 22:29:48,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817696197] [2022-12-13 22:29:48,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:29:48,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 22:29:48,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:29:48,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 22:29:48,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-12-13 22:29:48,870 INFO L87 Difference]: Start difference. First operand 224967 states and 332260 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 22:30:04,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:30:04,145 INFO L93 Difference]: Finished difference Result 525185 states and 775606 transitions. [2022-12-13 22:30:04,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 22:30:04,145 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 186 [2022-12-13 22:30:04,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:30:05,872 INFO L225 Difference]: With dead ends: 525185 [2022-12-13 22:30:05,873 INFO L226 Difference]: Without dead ends: 300258 [2022-12-13 22:30:06,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 232 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 22:30:06,926 INFO L413 NwaCegarLoop]: 4492 mSDtfsCounter, 2933 mSDsluCounter, 20799 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2933 SdHoareTripleChecker+Valid, 25291 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:30:06,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2933 Valid, 25291 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 22:30:07,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300258 states. [2022-12-13 22:30:21,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300258 to 299577. [2022-12-13 22:30:22,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299577 states, 199011 states have (on average 1.3202536543206154) internal successors, (262745), 209769 states have internal predecessors, (262745), 82992 states have call successors, (82992), 16313 states have call predecessors, (82992), 17573 states have return successors, (96806), 80225 states have call predecessors, (96806), 82991 states have call successors, (96806) [2022-12-13 22:30:24,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299577 states to 299577 states and 442543 transitions. [2022-12-13 22:30:24,159 INFO L78 Accepts]: Start accepts. Automaton has 299577 states and 442543 transitions. Word has length 186 [2022-12-13 22:30:24,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:30:24,159 INFO L495 AbstractCegarLoop]: Abstraction has 299577 states and 442543 transitions. [2022-12-13 22:30:24,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 22:30:24,160 INFO L276 IsEmpty]: Start isEmpty. Operand 299577 states and 442543 transitions. [2022-12-13 22:30:24,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-12-13 22:30:24,163 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:30:24,163 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-13 22:30:24,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 22:30:24,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 22:30:24,364 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:30:24,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:30:24,364 INFO L85 PathProgramCache]: Analyzing trace with hash 391819948, now seen corresponding path program 1 times [2022-12-13 22:30:24,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:30:24,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450282429] [2022-12-13 22:30:24,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:30:24,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:30:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:30:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:30:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:30:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 22:30:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:30:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:30:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 22:30:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:30:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:30:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:30:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:30:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:30:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 22:30:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:30:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:30:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 22:30:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:30:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 22:30:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:30:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 22:30:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:30:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 22:30:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:30:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 22:30:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 22:30:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 22:30:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-12-13 22:30:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:24,750 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-12-13 22:30:24,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:30:24,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450282429] [2022-12-13 22:30:24,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450282429] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:30:24,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462775065] [2022-12-13 22:30:24,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:30:24,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:30:24,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:30:24,752 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:30:24,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 22:30:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:25,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 1921 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 22:30:25,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:30:25,362 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-12-13 22:30:25,362 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:30:25,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462775065] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:30:25,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 22:30:25,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 22:30:25,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806081456] [2022-12-13 22:30:25,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:30:25,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 22:30:25,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:30:25,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 22:30:25,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-12-13 22:30:25,364 INFO L87 Difference]: Start difference. First operand 299577 states and 442543 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 22:30:43,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:30:43,111 INFO L93 Difference]: Finished difference Result 674369 states and 996108 transitions. [2022-12-13 22:30:43,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 22:30:43,112 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 187 [2022-12-13 22:30:43,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:30:45,511 INFO L225 Difference]: With dead ends: 674369 [2022-12-13 22:30:45,511 INFO L226 Difference]: Without dead ends: 374832 [2022-12-13 22:30:47,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 233 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 22:30:47,037 INFO L413 NwaCegarLoop]: 4490 mSDtfsCounter, 2933 mSDsluCounter, 20791 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2933 SdHoareTripleChecker+Valid, 25281 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:30:47,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2933 Valid, 25281 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 22:30:47,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374832 states. [2022-12-13 22:31:01,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374832 to 299673. [2022-12-13 22:31:01,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299673 states, 199083 states have (on average 1.3201378319595345) internal successors, (262817), 209841 states have internal predecessors, (262817), 82992 states have call successors, (82992), 16313 states have call predecessors, (82992), 17597 states have return successors, (96842), 80249 states have call predecessors, (96842), 82991 states have call successors, (96842) [2022-12-13 22:31:03,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299673 states to 299673 states and 442651 transitions. [2022-12-13 22:31:03,748 INFO L78 Accepts]: Start accepts. Automaton has 299673 states and 442651 transitions. Word has length 187 [2022-12-13 22:31:03,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:31:03,748 INFO L495 AbstractCegarLoop]: Abstraction has 299673 states and 442651 transitions. [2022-12-13 22:31:03,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 22:31:03,749 INFO L276 IsEmpty]: Start isEmpty. Operand 299673 states and 442651 transitions. [2022-12-13 22:31:03,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-12-13 22:31:03,752 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:31:03,752 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-13 22:31:03,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 22:31:03,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:31:03,953 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:31:03,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:31:03,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1509639006, now seen corresponding path program 1 times [2022-12-13 22:31:03,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:31:03,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200184707] [2022-12-13 22:31:03,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:31:03,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:31:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:31:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:31:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:31:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 22:31:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:31:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:31:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 22:31:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:31:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:31:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:31:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:31:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:31:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 22:31:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:31:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:31:04,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 22:31:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:31:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 22:31:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:31:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 22:31:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:31:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 22:31:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:31:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 22:31:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 22:31:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 22:31:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-12-13 22:31:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,445 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-12-13 22:31:04,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:31:04,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200184707] [2022-12-13 22:31:04,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200184707] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:31:04,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344662802] [2022-12-13 22:31:04,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:31:04,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:31:04,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:31:04,447 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:31:04,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 22:31:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:04,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 1923 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 22:31:04,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:31:05,015 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-12-13 22:31:05,015 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:31:05,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344662802] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:31:05,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 22:31:05,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 22:31:05,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215507844] [2022-12-13 22:31:05,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:31:05,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 22:31:05,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:31:05,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 22:31:05,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-12-13 22:31:05,017 INFO L87 Difference]: Start difference. First operand 299673 states and 442651 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 22:31:23,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:31:23,879 INFO L93 Difference]: Finished difference Result 674513 states and 996264 transitions. [2022-12-13 22:31:23,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 22:31:23,880 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 188 [2022-12-13 22:31:23,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:31:25,963 INFO L225 Difference]: With dead ends: 674513 [2022-12-13 22:31:25,963 INFO L226 Difference]: Without dead ends: 374880 [2022-12-13 22:31:27,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 234 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 22:31:27,576 INFO L413 NwaCegarLoop]: 4462 mSDtfsCounter, 2933 mSDsluCounter, 20679 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2933 SdHoareTripleChecker+Valid, 25141 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:31:27,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2933 Valid, 25141 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 22:31:27,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374880 states. [2022-12-13 22:31:42,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374880 to 299733. [2022-12-13 22:31:42,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299733 states, 199131 states have (on average 1.3200606635832692) internal successors, (262865), 209877 states have internal predecessors, (262865), 82992 states have call successors, (82992), 16313 states have call predecessors, (82992), 17609 states have return successors, (96854), 80273 states have call predecessors, (96854), 82991 states have call successors, (96854) [2022-12-13 22:31:44,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299733 states to 299733 states and 442711 transitions. [2022-12-13 22:31:44,390 INFO L78 Accepts]: Start accepts. Automaton has 299733 states and 442711 transitions. Word has length 188 [2022-12-13 22:31:44,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:31:44,390 INFO L495 AbstractCegarLoop]: Abstraction has 299733 states and 442711 transitions. [2022-12-13 22:31:44,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 22:31:44,390 INFO L276 IsEmpty]: Start isEmpty. Operand 299733 states and 442711 transitions. [2022-12-13 22:31:44,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-12-13 22:31:44,394 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:31:44,394 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-12-13 22:31:44,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 22:31:44,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:31:44,596 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:31:44,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:31:44,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1030154784, now seen corresponding path program 1 times [2022-12-13 22:31:44,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:31:44,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450773856] [2022-12-13 22:31:44,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:31:44,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:31:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:44,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:31:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:44,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:31:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:44,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:31:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:44,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 22:31:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:44,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:31:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:44,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:31:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:44,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 22:31:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:44,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:31:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:44,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:31:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:44,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:31:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:44,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:31:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:44,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:31:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:44,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 22:31:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:44,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:31:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:44,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:31:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:44,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 22:31:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:44,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:31:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:44,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 22:31:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:44,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:31:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:44,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 22:31:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:44,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:31:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:44,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 22:31:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:44,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:31:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:44,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 22:31:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:44,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 22:31:44,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:45,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-12-13 22:31:45,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:45,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-12-13 22:31:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:45,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 22:31:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:45,049 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-13 22:31:45,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:31:45,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450773856] [2022-12-13 22:31:45,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450773856] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:31:45,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771184490] [2022-12-13 22:31:45,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:31:45,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:31:45,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:31:45,051 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:31:45,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 22:31:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:45,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 22:31:45,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:31:45,708 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2022-12-13 22:31:45,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 22:31:46,006 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2022-12-13 22:31:46,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771184490] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 22:31:46,006 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 22:31:46,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 24 [2022-12-13 22:31:46,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568669010] [2022-12-13 22:31:46,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 22:31:46,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 22:31:46,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:31:46,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 22:31:46,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2022-12-13 22:31:46,009 INFO L87 Difference]: Start difference. First operand 299733 states and 442711 transitions. Second operand has 24 states, 24 states have (on average 6.0) internal successors, (144), 15 states have internal predecessors, (144), 5 states have call successors, (39), 8 states have call predecessors, (39), 7 states have return successors, (32), 6 states have call predecessors, (32), 5 states have call successors, (32) [2022-12-13 22:32:04,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:32:36,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:32:38,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:32:39,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:32:40,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:32:55,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:32:57,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:33:00,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:33:03,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:33:04,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:33:40,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:34:59,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:34:59,188 INFO L93 Difference]: Finished difference Result 980625 states and 1500543 transitions. [2022-12-13 22:34:59,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-12-13 22:34:59,189 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 6.0) internal successors, (144), 15 states have internal predecessors, (144), 5 states have call successors, (39), 8 states have call predecessors, (39), 7 states have return successors, (32), 6 states have call predecessors, (32), 5 states have call successors, (32) Word has length 201 [2022-12-13 22:34:59,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:35:03,626 INFO L225 Difference]: With dead ends: 980625 [2022-12-13 22:35:03,626 INFO L226 Difference]: Without dead ends: 680148 [2022-12-13 22:35:05,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 595 GetRequests, 457 SyntacticMatches, 8 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6471 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=2808, Invalid=14484, Unknown=0, NotChecked=0, Total=17292 [2022-12-13 22:35:05,554 INFO L413 NwaCegarLoop]: 4655 mSDtfsCounter, 24152 mSDsluCounter, 43683 mSDsCounter, 0 mSdLazyCounter, 93034 mSolverCounterSat, 20508 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 139.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25474 SdHoareTripleChecker+Valid, 48338 SdHoareTripleChecker+Invalid, 113543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 20508 IncrementalHoareTripleChecker+Valid, 93034 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 149.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:35:05,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25474 Valid, 48338 Invalid, 113543 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [20508 Valid, 93034 Invalid, 1 Unknown, 0 Unchecked, 149.4s Time] [2022-12-13 22:35:06,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680148 states. [2022-12-13 22:35:40,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680148 to 589455. [2022-12-13 22:35:40,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589455 states, 389301 states have (on average 1.3229454843424497) internal successors, (515024), 412369 states have internal predecessors, (515024), 168585 states have call successors, (168585), 28337 states have call predecessors, (168585), 31568 states have return successors, (207912), 162436 states have call predecessors, (207912), 168584 states have call successors, (207912) [2022-12-13 22:35:45,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589455 states to 589455 states and 891521 transitions. [2022-12-13 22:35:45,338 INFO L78 Accepts]: Start accepts. Automaton has 589455 states and 891521 transitions. Word has length 201 [2022-12-13 22:35:45,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:35:45,338 INFO L495 AbstractCegarLoop]: Abstraction has 589455 states and 891521 transitions. [2022-12-13 22:35:45,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 6.0) internal successors, (144), 15 states have internal predecessors, (144), 5 states have call successors, (39), 8 states have call predecessors, (39), 7 states have return successors, (32), 6 states have call predecessors, (32), 5 states have call successors, (32) [2022-12-13 22:35:45,339 INFO L276 IsEmpty]: Start isEmpty. Operand 589455 states and 891521 transitions. [2022-12-13 22:35:45,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-12-13 22:35:45,343 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:35:45,344 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-12-13 22:35:45,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 22:35:45,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:35:45,545 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:35:45,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:45,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1557030671, now seen corresponding path program 1 times [2022-12-13 22:35:45,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:45,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718009653] [2022-12-13 22:35:45,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:45,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:45,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:35:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:45,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:45,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:35:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:45,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 22:35:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:45,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:45,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:35:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:45,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 22:35:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:45,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:45,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:35:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:45,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:35:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:45,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:45,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:35:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:45,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 22:35:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:45,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:45,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:35:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:45,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 22:35:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:46,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:46,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 22:35:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:46,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:46,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 22:35:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:46,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:46,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 22:35:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:46,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:35:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:46,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 22:35:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:46,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 22:35:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:46,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 22:35:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:46,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 22:35:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:46,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 22:35:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:46,128 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-13 22:35:46,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:35:46,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718009653] [2022-12-13 22:35:46,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718009653] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:35:46,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774993959] [2022-12-13 22:35:46,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:46,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:35:46,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:46,129 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:35:46,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_579dc40f-c295-464e-af5c-e8bd29c18561/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 22:35:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:46,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 2012 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 22:35:46,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:35:46,711 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2022-12-13 22:35:46,712 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 22:35:46,933 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2022-12-13 22:35:46,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774993959] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 22:35:46,934 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 22:35:46,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 24 [2022-12-13 22:35:46,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431994223] [2022-12-13 22:35:46,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 22:35:46,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 22:35:46,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:35:46,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 22:35:46,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2022-12-13 22:35:46,935 INFO L87 Difference]: Start difference. First operand 589455 states and 891521 transitions. Second operand has 24 states, 24 states have (on average 6.083333333333333) internal successors, (146), 15 states have internal predecessors, (146), 5 states have call successors, (39), 8 states have call predecessors, (39), 7 states have return successors, (32), 6 states have call predecessors, (32), 5 states have call successors, (32) [2022-12-13 22:36:03,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:36:29,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:36:31,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []