./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R --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 cde51297e6fd0e941efee971bf40d8442d789ab4fb58443b4ef667bb6a80abb8 --- 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-38b53e6 [2022-11-25 15:52:13,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:52:13,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:52:13,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:52:13,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:52:13,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:52:13,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:52:13,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:52:13,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:52:13,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:52:13,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:52:13,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:52:13,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:52:13,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:52:13,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:52:13,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:52:13,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:52:13,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:52:13,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:52:13,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:52:13,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:52:13,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:52:13,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:52:13,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:52:13,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:52:13,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:52:13,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:52:13,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:52:13,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:52:13,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:52:13,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:52:13,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:52:13,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:52:13,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:52:13,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:52:13,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:52:13,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:52:13,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:52:13,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:52:13,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:52:13,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:52:13,894 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 15:52:13,922 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:52:13,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:52:13,923 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:52:13,923 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:52:13,924 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:52:13,924 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:52:13,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:52:13,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:52:13,926 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:52:13,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:52:13,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:52:13,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:52:13,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:52:13,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:52:13,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:52:13,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:52:13,928 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:52:13,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:52:13,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:52:13,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:52:13,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:52:13,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:52:13,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:52:13,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:52:13,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:52:13,931 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:52:13,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:52:13,932 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:52:13,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:52:13,932 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:52:13,933 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:52:13,933 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_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cde51297e6fd0e941efee971bf40d8442d789ab4fb58443b4ef667bb6a80abb8 [2022-11-25 15:52:14,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:52:14,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:52:14,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:52:14,315 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:52:14,316 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:52:14,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-11-25 15:52:18,120 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:52:18,938 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:52:18,939 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-11-25 15:52:19,027 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/data/4fbcd6ad3/f304265e75f54d558e1966e6f997ef68/FLAG299176e5c [2022-11-25 15:52:19,051 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/data/4fbcd6ad3/f304265e75f54d558e1966e6f997ef68 [2022-11-25 15:52:19,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:52:19,058 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:52:19,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:52:19,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:52:19,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:52:19,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:52:19" (1/1) ... [2022-11-25 15:52:19,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e0ff78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:19, skipping insertion in model container [2022-11-25 15:52:19,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:52:19" (1/1) ... [2022-11-25 15:52:19,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:52:19,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:52:20,427 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 15:52:20,496 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 15:52:20,519 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 15:52:20,539 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 15:52:20,627 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 15:52:20,873 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 15:52:20,882 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 15:52:20,882 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 15:52:20,898 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 15:52:20,908 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 15:52:20,918 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 15:52:20,926 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-25 15:52:20,969 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 15:52:20,979 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 15:52:20,982 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 15:52:20,990 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-25 15:52:21,104 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 15:52:21,113 WARN L623 FunctionHandler]: Unknown extern function ___pskb_trim [2022-11-25 15:52:21,281 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 15:52:21,281 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:21,406 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 15:52:21,407 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 15:52:21,424 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 15:52:21,430 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:52:21,480 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 15:52:21,487 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 15:52:21,581 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-11-25 15:52:21,588 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-11-25 15:52:21,595 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-11-25 15:52:21,641 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-11-25 15:52:21,706 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 15:52:21,739 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 15:52:21,947 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-11-25 15:52:21,963 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 15:52:21,964 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:21,981 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 15:52:21,983 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:52:21,987 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 15:52:22,003 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:52:22,017 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 15:52:22,017 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 15:52:22,053 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:52:22,071 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:52:22,081 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:52:22,109 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 15:52:22,109 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:22,134 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:52:22,148 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:22,165 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:22,166 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 15:52:22,166 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 15:52:22,205 WARN L623 FunctionHandler]: Unknown extern function __rwlock_init [2022-11-25 15:52:22,224 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 15:52:22,233 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:22,240 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:22,301 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:22,349 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:22,350 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:22,352 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-25 15:52:22,379 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:22,382 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:22,384 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 15:52:22,384 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 15:52:22,387 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:52:22,388 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-11-25 15:52:22,400 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-11-25 15:52:22,402 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:22,410 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-11-25 15:52:22,411 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-11-25 15:52:22,454 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 15:52:22,458 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:22,515 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:52:22,519 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:52:22,522 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:22,523 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 15:52:22,539 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 15:52:22,551 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 15:52:22,552 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 15:52:22,553 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-25 15:52:22,556 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:52:22,559 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:22,562 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:52:22,567 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:52:22,572 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:52:22,574 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 15:52:22,575 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 15:52:22,576 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 15:52:22,576 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 15:52:22,576 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 15:52:22,584 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 15:52:22,585 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-25 15:52:22,586 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 15:52:22,586 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:22,588 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 15:52:22,590 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 15:52:22,614 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 15:52:22,616 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 15:52:22,617 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 15:52:22,618 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 15:52:22,618 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 15:52:22,619 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 15:52:22,619 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 15:52:22,620 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:22,621 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-25 15:52:22,622 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:22,623 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-25 15:52:22,624 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 15:52:22,625 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:22,626 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:22,629 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:52:22,630 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 15:52:22,631 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 15:52:22,632 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 15:52:22,634 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 15:52:22,636 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:22,638 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 15:52:22,638 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 15:52:22,639 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 15:52:22,640 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 15:52:22,648 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 15:52:22,648 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 15:52:22,649 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 15:52:22,657 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 15:52:22,658 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 15:52:22,667 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 15:52:22,667 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:22,668 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 15:52:22,677 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:22,677 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 15:52:23,256 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 15:52:23,268 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 15:52:23,272 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 15:52:23,277 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 15:52:23,290 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 15:52:23,299 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 15:52:23,310 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 15:52:23,311 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 15:52:23,314 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 15:52:23,323 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 15:52:23,324 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 15:52:23,325 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 15:52:23,326 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_trylock [2022-11-25 15:52:23,327 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 15:52:23,328 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 15:52:23,329 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 15:52:23,330 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 15:52:23,330 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 15:52:23,331 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 15:52:23,331 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 15:52:23,332 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 15:52:23,398 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:23,401 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:23,404 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 15:52:23,407 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:52:23,408 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:52:23,427 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:23,428 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:23,429 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:23,430 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:23,431 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:23,433 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:23,433 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:23,434 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:23,436 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:52:23,436 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:23,438 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:23,439 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:23,439 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:23,521 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:23,571 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 15:52:23,572 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 15:52:23,583 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 15:52:23,590 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 15:52:23,591 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 15:52:23,591 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 15:52:23,592 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 15:52:23,610 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-11-25 15:52:23,620 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-25 15:52:23,622 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 15:52:23,640 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:52:23,641 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:52:23,642 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:52:23,643 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:52:23,644 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:52:23,646 WARN L623 FunctionHandler]: Unknown extern function netdev_notice [2022-11-25 15:52:23,646 WARN L623 FunctionHandler]: Unknown extern function netdev_notice [2022-11-25 15:52:23,739 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 15:52:23,753 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:23,902 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:23,909 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:23,916 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:23,924 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:23,952 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:23,960 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:23,967 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:23,975 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:23,982 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,010 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,017 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,025 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,032 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,039 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,080 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,088 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,096 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,104 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,112 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,141 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,148 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,156 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,163 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,170 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,199 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,206 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,214 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,221 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,228 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,255 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,263 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,269 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,276 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,283 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,311 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,318 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,325 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,332 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,342 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,369 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,370 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,371 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,378 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,385 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,412 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,420 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,427 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,435 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,442 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,470 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,478 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,485 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,492 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,500 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,529 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,538 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,546 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,554 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,561 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,588 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,595 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,602 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,610 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,617 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,644 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,652 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,659 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,666 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,674 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,701 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,709 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,716 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,724 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,732 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,760 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,767 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,768 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,769 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,776 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,803 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,804 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,804 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,805 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,805 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,805 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,806 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,806 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,808 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,808 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,809 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,809 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,809 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,811 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,815 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,816 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,816 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:24,854 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_34a25201-72c3-42c5-83b4-d854d32ef1a8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464446,464459] [2022-11-25 15:52:24,858 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_34a25201-72c3-42c5-83b4-d854d32ef1a8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464591,464604] [2022-11-25 15:52:24,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:52:24,935 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:52:25,080 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 15:52:25,081 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 15:52:25,082 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 15:52:25,083 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 15:52:25,084 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 15:52:25,091 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 15:52:25,092 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 15:52:25,092 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 15:52:25,094 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 15:52:25,096 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 15:52:25,097 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 15:52:25,098 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-25 15:52:25,170 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 15:52:25,172 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 15:52:25,172 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 15:52:25,173 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-25 15:52:25,179 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 15:52:25,180 WARN L623 FunctionHandler]: Unknown extern function ___pskb_trim [2022-11-25 15:52:25,185 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 15:52:25,186 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:25,188 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 15:52:25,189 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 15:52:25,190 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 15:52:25,191 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:52:25,193 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 15:52:25,193 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 15:52:25,195 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-11-25 15:52:25,198 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-11-25 15:52:25,201 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-11-25 15:52:25,204 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-11-25 15:52:25,208 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 15:52:25,209 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 15:52:25,216 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-11-25 15:52:25,218 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 15:52:25,219 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:25,222 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 15:52:25,223 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:52:25,225 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 15:52:25,228 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:52:25,229 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 15:52:25,229 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 15:52:25,234 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:52:25,238 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:52:25,241 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:52:25,245 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 15:52:25,246 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:25,252 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:52:25,255 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:25,260 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:25,261 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 15:52:25,261 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 15:52:25,269 WARN L623 FunctionHandler]: Unknown extern function __rwlock_init [2022-11-25 15:52:25,272 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 15:52:25,274 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:25,279 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:25,299 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:25,310 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:25,311 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:25,313 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-25 15:52:25,318 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:25,321 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:25,322 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 15:52:25,323 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 15:52:25,325 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:52:25,326 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-11-25 15:52:25,330 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-11-25 15:52:25,331 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:25,332 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-11-25 15:52:25,333 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-11-25 15:52:25,341 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 15:52:25,345 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:25,365 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:52:25,367 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:52:25,370 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:25,370 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 15:52:25,373 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 15:52:25,377 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 15:52:25,377 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 15:52:25,378 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-25 15:52:25,380 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:52:25,381 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:25,383 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:52:25,385 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:52:25,387 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:52:25,389 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 15:52:25,390 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 15:52:25,391 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 15:52:25,392 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 15:52:25,392 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 15:52:25,394 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 15:52:25,394 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-25 15:52:25,394 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 15:52:25,395 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:25,395 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 15:52:25,397 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 15:52:25,402 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 15:52:25,403 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 15:52:25,403 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 15:52:25,404 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 15:52:25,405 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 15:52:25,405 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 15:52:25,406 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 15:52:25,406 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:25,414 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-25 15:52:25,415 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:25,416 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-25 15:52:25,416 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 15:52:25,417 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:25,418 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:25,420 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:52:25,421 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 15:52:25,421 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 15:52:25,422 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 15:52:25,422 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 15:52:25,423 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:25,424 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 15:52:25,424 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 15:52:25,425 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 15:52:25,425 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 15:52:25,427 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 15:52:25,427 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 15:52:25,428 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 15:52:25,429 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 15:52:25,429 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 15:52:25,430 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 15:52:25,431 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:25,431 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 15:52:25,434 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:25,434 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 15:52:25,448 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 15:52:25,451 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 15:52:25,455 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 15:52:25,455 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 15:52:25,467 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 15:52:25,470 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 15:52:25,482 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 15:52:25,483 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 15:52:25,490 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 15:52:25,491 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 15:52:25,492 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 15:52:25,493 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 15:52:25,493 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_trylock [2022-11-25 15:52:25,494 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 15:52:25,495 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 15:52:25,496 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 15:52:25,497 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 15:52:25,497 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 15:52:25,498 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 15:52:25,498 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 15:52:25,499 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 15:52:25,504 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:25,506 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:25,508 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 15:52:25,511 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:52:25,512 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:52:25,521 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:25,522 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:25,523 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:25,529 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:25,530 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:25,531 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:25,532 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:25,533 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:25,534 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:52:25,535 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:25,540 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:25,541 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:25,542 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:52:25,548 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:52:25,561 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 15:52:25,562 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 15:52:25,566 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 15:52:25,567 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 15:52:25,567 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 15:52:25,567 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 15:52:25,568 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 15:52:25,571 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-11-25 15:52:25,574 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-25 15:52:25,576 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 15:52:25,580 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:52:25,580 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:52:25,581 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:52:25,582 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:52:25,583 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:52:25,584 WARN L623 FunctionHandler]: Unknown extern function netdev_notice [2022-11-25 15:52:25,585 WARN L623 FunctionHandler]: Unknown extern function netdev_notice [2022-11-25 15:52:25,592 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 15:52:25,593 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,599 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,599 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,600 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,600 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,601 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,602 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,603 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,603 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,604 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,605 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,605 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,606 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,606 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,607 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,608 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,609 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,609 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,610 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,610 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,611 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,612 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,613 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,613 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,614 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,615 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,616 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,616 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,616 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,617 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,618 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,619 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,619 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,620 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,620 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,621 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,622 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,622 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,623 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,623 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,624 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,625 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,625 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,626 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,626 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,627 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,716 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,716 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,717 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,717 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,718 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,719 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,719 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,719 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,720 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,721 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,721 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,722 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,722 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,722 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,723 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,724 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,724 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,725 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,725 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,726 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,726 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,727 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,727 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,728 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,729 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,729 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,730 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,730 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,730 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,732 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,733 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,733 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,734 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,734 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,735 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,736 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,736 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,737 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,737 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,737 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,738 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,738 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,738 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,738 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,739 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,739 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,739 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,740 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,740 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,740 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,741 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:52:25,743 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_34a25201-72c3-42c5-83b4-d854d32ef1a8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464446,464459] [2022-11-25 15:52:25,743 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_34a25201-72c3-42c5-83b4-d854d32ef1a8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464591,464604] [2022-11-25 15:52:25,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:52:25,998 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:52:25,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:25 WrapperNode [2022-11-25 15:52:25,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:52:26,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:52:26,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:52:26,001 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:52:26,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:25" (1/1) ... [2022-11-25 15:52:26,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:25" (1/1) ... [2022-11-25 15:52:26,553 INFO L138 Inliner]: procedures = 623, calls = 3565, calls flagged for inlining = 310, calls inlined = 274, statements flattened = 8067 [2022-11-25 15:52:26,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:52:26,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:52:26,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:52:26,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:52:26,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:25" (1/1) ... [2022-11-25 15:52:26,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:25" (1/1) ... [2022-11-25 15:52:26,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:25" (1/1) ... [2022-11-25 15:52:26,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:25" (1/1) ... [2022-11-25 15:52:26,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:25" (1/1) ... [2022-11-25 15:52:26,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:25" (1/1) ... [2022-11-25 15:52:26,996 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:25" (1/1) ... [2022-11-25 15:52:27,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:25" (1/1) ... [2022-11-25 15:52:27,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:52:27,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:52:27,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:52:27,101 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:52:27,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:25" (1/1) ... [2022-11-25 15:52:27,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:52:27,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:52:27,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:52:27,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:52:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-25 15:52:27,189 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-25 15:52:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-25 15:52:27,189 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-25 15:52:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2022-11-25 15:52:27,190 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2022-11-25 15:52:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 15:52:27,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 15:52:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2022-11-25 15:52:27,191 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2022-11-25 15:52:27,191 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-25 15:52:27,191 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-25 15:52:27,191 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-25 15:52:27,191 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-25 15:52:27,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 15:52:27,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 15:52:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2022-11-25 15:52:27,192 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2022-11-25 15:52:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-25 15:52:27,192 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-25 15:52:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-25 15:52:27,193 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-25 15:52:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-25 15:52:27,193 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-25 15:52:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-25 15:52:27,193 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-25 15:52:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 15:52:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 15:52:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2022-11-25 15:52:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2022-11-25 15:52:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_resume [2022-11-25 15:52:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_resume [2022-11-25 15:52:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2022-11-25 15:52:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2022-11-25 15:52:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_close [2022-11-25 15:52:27,195 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_close [2022-11-25 15:52:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-25 15:52:27,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-25 15:52:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 15:52:27,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 15:52:27,196 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2022-11-25 15:52:27,196 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2022-11-25 15:52:27,196 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-25 15:52:27,196 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-25 15:52:27,196 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-25 15:52:27,196 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-25 15:52:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-25 15:52:27,197 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-25 15:52:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 15:52:27,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 15:52:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 15:52:27,197 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 15:52:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2022-11-25 15:52:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2022-11-25 15:52:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-25 15:52:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-25 15:52:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-25 15:52:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-25 15:52:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 15:52:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_106 [2022-11-25 15:52:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_106 [2022-11-25 15:52:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-25 15:52:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-25 15:52:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2022-11-25 15:52:27,200 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2022-11-25 15:52:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-25 15:52:27,200 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-25 15:52:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2022-11-25 15:52:27,200 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2022-11-25 15:52:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-25 15:52:27,201 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-25 15:52:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 15:52:27,201 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 15:52:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 15:52:27,201 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 15:52:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 15:52:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2022-11-25 15:52:27,202 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2022-11-25 15:52:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-25 15:52:27,202 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-25 15:52:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 15:52:27,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 15:52:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2022-11-25 15:52:27,203 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2022-11-25 15:52:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 15:52:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 15:52:27,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 15:52:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 15:52:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-25 15:52:27,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-25 15:52:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-25 15:52:27,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-25 15:52:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 15:52:27,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 15:52:27,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-25 15:52:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-25 15:52:27,205 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-25 15:52:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-25 15:52:27,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-25 15:52:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-25 15:52:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-11-25 15:52:27,206 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-11-25 15:52:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-25 15:52:27,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-25 15:52:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-25 15:52:27,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-25 15:52:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2022-11-25 15:52:27,207 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2022-11-25 15:52:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-25 15:52:27,207 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-25 15:52:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-25 15:52:27,207 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-25 15:52:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2022-11-25 15:52:27,208 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2022-11-25 15:52:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 15:52:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2022-11-25 15:52:27,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2022-11-25 15:52:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-25 15:52:27,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-25 15:52:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-25 15:52:27,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-25 15:52:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:52:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-25 15:52:27,209 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-25 15:52:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 15:52:27,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 15:52:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 15:52:27,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 15:52:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 15:52:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 15:52:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-25 15:52:27,210 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-25 15:52:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-25 15:52:27,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-25 15:52:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-25 15:52:27,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-25 15:52:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-25 15:52:27,212 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-25 15:52:27,212 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2022-11-25 15:52:27,212 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2022-11-25 15:52:27,212 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2022-11-25 15:52:27,212 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2022-11-25 15:52:27,212 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-25 15:52:27,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-25 15:52:27,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2022-11-25 15:52:27,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2022-11-25 15:52:27,213 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-25 15:52:27,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-25 15:52:27,213 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-25 15:52:27,213 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-25 15:52:27,214 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 15:52:27,214 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 15:52:27,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-25 15:52:27,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-25 15:52:27,214 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2022-11-25 15:52:27,214 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2022-11-25 15:52:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-25 15:52:27,215 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-25 15:52:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-25 15:52:27,215 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-25 15:52:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-25 15:52:27,215 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-25 15:52:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2022-11-25 15:52:27,216 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2022-11-25 15:52:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-25 15:52:27,216 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-25 15:52:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-25 15:52:27,216 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-25 15:52:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:52:27,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:52:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-25 15:52:27,217 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-25 15:52:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-25 15:52:27,217 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-25 15:52:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 15:52:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 15:52:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 15:52:27,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 15:52:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-25 15:52:27,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-25 15:52:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-25 15:52:27,219 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-25 15:52:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-25 15:52:27,219 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-25 15:52:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-25 15:52:27,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-25 15:52:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2022-11-25 15:52:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2022-11-25 15:52:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2022-11-25 15:52:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2022-11-25 15:52:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-25 15:52:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-25 15:52:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-25 15:52:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-25 15:52:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-25 15:52:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-25 15:52:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2022-11-25 15:52:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2022-11-25 15:52:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-25 15:52:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-25 15:52:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 15:52:27,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 15:52:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2022-11-25 15:52:27,222 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2022-11-25 15:52:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 15:52:27,222 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 15:52:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-25 15:52:27,223 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-25 15:52:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 15:52:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 15:52:27,223 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 15:52:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-25 15:52:27,223 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-25 15:52:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-25 15:52:27,224 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-25 15:52:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2022-11-25 15:52:27,224 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2022-11-25 15:52:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_114 [2022-11-25 15:52:27,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_114 [2022-11-25 15:52:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 15:52:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2022-11-25 15:52:27,225 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2022-11-25 15:52:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2022-11-25 15:52:27,225 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2022-11-25 15:52:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-25 15:52:27,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-25 15:52:27,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_102 [2022-11-25 15:52:27,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_102 [2022-11-25 15:52:27,226 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2022-11-25 15:52:27,226 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2022-11-25 15:52:27,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 15:52:27,226 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2022-11-25 15:52:27,227 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2022-11-25 15:52:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-25 15:52:27,227 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-25 15:52:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-25 15:52:27,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-25 15:52:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 15:52:27,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 15:52:27,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 15:52:27,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 15:52:27,228 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-25 15:52:27,228 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-25 15:52:27,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-25 15:52:27,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-25 15:52:27,229 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2022-11-25 15:52:27,229 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2022-11-25 15:52:27,229 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2022-11-25 15:52:27,229 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2022-11-25 15:52:27,229 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2022-11-25 15:52:27,230 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2022-11-25 15:52:27,230 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 15:52:27,230 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 15:52:27,230 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-25 15:52:27,230 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-25 15:52:27,230 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_open [2022-11-25 15:52:27,230 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_open [2022-11-25 15:52:27,231 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-25 15:52:27,231 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-25 15:52:27,231 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-25 15:52:27,231 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-25 15:52:27,231 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2022-11-25 15:52:27,231 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2022-11-25 15:52:27,232 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 15:52:27,232 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 15:52:27,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 15:52:27,232 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2022-11-25 15:52:27,232 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2022-11-25 15:52:27,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 15:52:27,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 15:52:27,233 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2022-11-25 15:52:27,233 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2022-11-25 15:52:27,233 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2022-11-25 15:52:27,233 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2022-11-25 15:52:27,233 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-25 15:52:27,233 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-25 15:52:27,234 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-25 15:52:27,234 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-25 15:52:27,234 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_nway_reset [2022-11-25 15:52:27,234 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_nway_reset [2022-11-25 15:52:27,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_105 [2022-11-25 15:52:27,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_105 [2022-11-25 15:52:27,235 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-25 15:52:27,235 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-25 15:52:27,235 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2022-11-25 15:52:27,235 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2022-11-25 15:52:27,235 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-25 15:52:27,235 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-25 15:52:27,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 15:52:27,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 15:52:27,236 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-25 15:52:27,236 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-25 15:52:27,236 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-25 15:52:27,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-25 15:52:27,236 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2022-11-25 15:52:27,237 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2022-11-25 15:52:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-25 15:52:27,237 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-25 15:52:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-25 15:52:27,237 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-25 15:52:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2022-11-25 15:52:27,238 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2022-11-25 15:52:27,238 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-25 15:52:27,238 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-25 15:52:27,238 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-25 15:52:27,238 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-25 15:52:27,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:52:27,238 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-25 15:52:27,239 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-25 15:52:27,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-25 15:52:27,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-25 15:52:27,239 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2022-11-25 15:52:27,239 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2022-11-25 15:52:27,239 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2022-11-25 15:52:27,240 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2022-11-25 15:52:28,792 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:52:28,797 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:52:29,267 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 15:52:41,303 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-25 15:52:41,692 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:52:41,726 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:52:41,726 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 15:52:41,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:52:41 BoogieIcfgContainer [2022-11-25 15:52:41,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:52:41,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:52:41,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:52:41,743 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:52:41,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:52:19" (1/3) ... [2022-11-25 15:52:41,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b4070d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:52:41, skipping insertion in model container [2022-11-25 15:52:41,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:25" (2/3) ... [2022-11-25 15:52:41,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b4070d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:52:41, skipping insertion in model container [2022-11-25 15:52:41,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:52:41" (3/3) ... [2022-11-25 15:52:41,749 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-11-25 15:52:41,773 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:52:41,773 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 15:52:41,924 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:52:41,932 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;@1c6c7b7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:52:41,933 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 15:52:41,948 INFO L276 IsEmpty]: Start isEmpty. Operand has 2820 states, 1904 states have (on average 1.259453781512605) internal successors, (2398), 1929 states have internal predecessors, (2398), 767 states have call successors, (767), 149 states have call predecessors, (767), 148 states have return successors, (761), 759 states have call predecessors, (761), 761 states have call successors, (761) [2022-11-25 15:52:42,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-11-25 15:52:42,008 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:52:42,010 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:52:42,010 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:52:42,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:52:42,017 INFO L85 PathProgramCache]: Analyzing trace with hash -757163544, now seen corresponding path program 1 times [2022-11-25 15:52:42,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:52:42,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531299569] [2022-11-25 15:52:42,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:52:42,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:52:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 15:52:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:52:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 15:52:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:52:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 15:52:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:52:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 15:52:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:52:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 15:52:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:52:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 15:52:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:52:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 15:52:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:52:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 15:52:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:52:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 15:52:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:52:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 15:52:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:52:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 15:52:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:52:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 15:52:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:52:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 15:52:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:52:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 15:52:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:52:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-25 15:52:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-25 15:52:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:52:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:52:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 15:52:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-25 15:52:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-25 15:52:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:52:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 15:52:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-25 15:52:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:43,998 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2022-11-25 15:52:43,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:52:43,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531299569] [2022-11-25 15:52:44,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531299569] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:52:44,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:52:44,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 15:52:44,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582164338] [2022-11-25 15:52:44,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:52:44,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 15:52:44,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:52:44,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 15:52:44,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:52:44,081 INFO L87 Difference]: Start difference. First operand has 2820 states, 1904 states have (on average 1.259453781512605) internal successors, (2398), 1929 states have internal predecessors, (2398), 767 states have call successors, (767), 149 states have call predecessors, (767), 148 states have return successors, (761), 759 states have call predecessors, (761), 761 states have call successors, (761) Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-25 15:52:56,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:52:56,546 INFO L93 Difference]: Finished difference Result 7735 states and 10874 transitions. [2022-11-25 15:52:56,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 15:52:56,553 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 231 [2022-11-25 15:52:56,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:52:56,635 INFO L225 Difference]: With dead ends: 7735 [2022-11-25 15:52:56,635 INFO L226 Difference]: Without dead ends: 4862 [2022-11-25 15:52:56,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:52:56,673 INFO L413 NwaCegarLoop]: 3241 mSDtfsCounter, 3809 mSDsluCounter, 3851 mSDsCounter, 0 mSdLazyCounter, 3860 mSolverCounterSat, 1726 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4345 SdHoareTripleChecker+Valid, 7092 SdHoareTripleChecker+Invalid, 5586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1726 IncrementalHoareTripleChecker+Valid, 3860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-11-25 15:52:56,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4345 Valid, 7092 Invalid, 5586 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1726 Valid, 3860 Invalid, 0 Unknown, 0 Unchecked, 11.5s Time] [2022-11-25 15:52:56,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4862 states. [2022-11-25 15:52:57,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4862 to 4625. [2022-11-25 15:52:57,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4625 states, 3137 states have (on average 1.2489639783232387) internal successors, (3918), 3180 states have internal predecessors, (3918), 1222 states have call successors, (1222), 266 states have call predecessors, (1222), 265 states have return successors, (1222), 1215 states have call predecessors, (1222), 1222 states have call successors, (1222) [2022-11-25 15:52:57,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4625 states to 4625 states and 6362 transitions. [2022-11-25 15:52:57,169 INFO L78 Accepts]: Start accepts. Automaton has 4625 states and 6362 transitions. Word has length 231 [2022-11-25 15:52:57,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:52:57,174 INFO L495 AbstractCegarLoop]: Abstraction has 4625 states and 6362 transitions. [2022-11-25 15:52:57,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-25 15:52:57,175 INFO L276 IsEmpty]: Start isEmpty. Operand 4625 states and 6362 transitions. [2022-11-25 15:52:57,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-11-25 15:52:57,201 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:52:57,202 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:52:57,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 15:52:57,203 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:52:57,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:52:57,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1941024023, now seen corresponding path program 1 times [2022-11-25 15:52:57,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:52:57,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455764397] [2022-11-25 15:52:57,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:52:57,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:52:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:57,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:52:57,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455764397] [2022-11-25 15:52:57,459 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-25 15:52:57,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731859363] [2022-11-25 15:52:57,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:52:57,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:52:57,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:52:57,465 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:52:57,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 15:52:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:59,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 3784 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:52:59,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:53:00,096 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-11-25 15:53:00,096 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:53:00,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731859363] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:53:00,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:53:00,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:53:00,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692692851] [2022-11-25 15:53:00,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:53:00,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:53:00,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:53:00,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:53:00,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:00,101 INFO L87 Difference]: Start difference. First operand 4625 states and 6362 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:00,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:53:00,426 INFO L93 Difference]: Finished difference Result 9217 states and 12689 transitions. [2022-11-25 15:53:00,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:53:00,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 237 [2022-11-25 15:53:00,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:53:00,464 INFO L225 Difference]: With dead ends: 9217 [2022-11-25 15:53:00,464 INFO L226 Difference]: Without dead ends: 4625 [2022-11-25 15:53:00,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:00,488 INFO L413 NwaCegarLoop]: 3828 mSDtfsCounter, 3704 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3704 SdHoareTripleChecker+Valid, 3828 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:53:00,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3704 Valid, 3828 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:53:00,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4625 states. [2022-11-25 15:53:00,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4625 to 4625. [2022-11-25 15:53:00,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4625 states, 3137 states have (on average 1.248326426522155) internal successors, (3916), 3180 states have internal predecessors, (3916), 1222 states have call successors, (1222), 266 states have call predecessors, (1222), 265 states have return successors, (1222), 1215 states have call predecessors, (1222), 1222 states have call successors, (1222) [2022-11-25 15:53:00,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4625 states to 4625 states and 6360 transitions. [2022-11-25 15:53:00,786 INFO L78 Accepts]: Start accepts. Automaton has 4625 states and 6360 transitions. Word has length 237 [2022-11-25 15:53:00,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:53:00,787 INFO L495 AbstractCegarLoop]: Abstraction has 4625 states and 6360 transitions. [2022-11-25 15:53:00,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:00,788 INFO L276 IsEmpty]: Start isEmpty. Operand 4625 states and 6360 transitions. [2022-11-25 15:53:00,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-11-25 15:53:00,796 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:53:00,796 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:53:00,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 15:53:01,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:53:01,012 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:53:01,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:53:01,012 INFO L85 PathProgramCache]: Analyzing trace with hash 359644944, now seen corresponding path program 1 times [2022-11-25 15:53:01,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:53:01,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405081541] [2022-11-25 15:53:01,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:01,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:53:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:01,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:53:01,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405081541] [2022-11-25 15:53:01,314 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-25 15:53:01,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158907588] [2022-11-25 15:53:01,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:01,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:53:01,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:53:01,316 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:53:01,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 15:53:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:03,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 3785 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:53:03,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:53:03,849 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-11-25 15:53:03,850 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:53:03,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158907588] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:53:03,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:53:03,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:53:03,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596096242] [2022-11-25 15:53:03,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:53:03,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:53:03,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:53:03,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:53:03,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:03,853 INFO L87 Difference]: Start difference. First operand 4625 states and 6360 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 2 states have internal predecessors, (86), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:04,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:53:04,175 INFO L93 Difference]: Finished difference Result 9217 states and 12685 transitions. [2022-11-25 15:53:04,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:53:04,176 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 2 states have internal predecessors, (86), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 238 [2022-11-25 15:53:04,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:53:04,215 INFO L225 Difference]: With dead ends: 9217 [2022-11-25 15:53:04,215 INFO L226 Difference]: Without dead ends: 4625 [2022-11-25 15:53:04,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:04,250 INFO L413 NwaCegarLoop]: 3827 mSDtfsCounter, 3702 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3702 SdHoareTripleChecker+Valid, 3827 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:53:04,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3702 Valid, 3827 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:53:04,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4625 states. [2022-11-25 15:53:04,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4625 to 4625. [2022-11-25 15:53:04,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4625 states, 3137 states have (on average 1.247688874721071) internal successors, (3914), 3180 states have internal predecessors, (3914), 1222 states have call successors, (1222), 266 states have call predecessors, (1222), 265 states have return successors, (1222), 1215 states have call predecessors, (1222), 1222 states have call successors, (1222) [2022-11-25 15:53:04,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4625 states to 4625 states and 6358 transitions. [2022-11-25 15:53:04,603 INFO L78 Accepts]: Start accepts. Automaton has 4625 states and 6358 transitions. Word has length 238 [2022-11-25 15:53:04,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:53:04,604 INFO L495 AbstractCegarLoop]: Abstraction has 4625 states and 6358 transitions. [2022-11-25 15:53:04,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 2 states have internal predecessors, (86), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:04,605 INFO L276 IsEmpty]: Start isEmpty. Operand 4625 states and 6358 transitions. [2022-11-25 15:53:04,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-11-25 15:53:04,615 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:53:04,616 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:53:04,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 15:53:04,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:53:04,831 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:53:04,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:53:04,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1219544507, now seen corresponding path program 1 times [2022-11-25 15:53:04,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:53:04,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700899034] [2022-11-25 15:53:04,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:04,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:53:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:05,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:53:05,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700899034] [2022-11-25 15:53:05,081 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-25 15:53:05,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166547643] [2022-11-25 15:53:05,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:05,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:53:05,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:53:05,083 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:53:05,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 15:53:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:07,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 3786 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:53:07,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:53:07,546 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-11-25 15:53:07,546 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:53:07,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166547643] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:53:07,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:53:07,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:53:07,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906644890] [2022-11-25 15:53:07,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:53:07,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:53:07,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:53:07,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:53:07,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:07,550 INFO L87 Difference]: Start difference. First operand 4625 states and 6358 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 2 states have internal predecessors, (87), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:07,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:53:07,929 INFO L93 Difference]: Finished difference Result 9217 states and 12681 transitions. [2022-11-25 15:53:07,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:53:07,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 2 states have internal predecessors, (87), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 239 [2022-11-25 15:53:07,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:53:07,963 INFO L225 Difference]: With dead ends: 9217 [2022-11-25 15:53:07,964 INFO L226 Difference]: Without dead ends: 4625 [2022-11-25 15:53:07,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:07,990 INFO L413 NwaCegarLoop]: 3826 mSDtfsCounter, 3700 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3700 SdHoareTripleChecker+Valid, 3826 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:53:07,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3700 Valid, 3826 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:53:08,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4625 states. [2022-11-25 15:53:08,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4625 to 4625. [2022-11-25 15:53:08,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4625 states, 3137 states have (on average 1.2470513229199873) internal successors, (3912), 3180 states have internal predecessors, (3912), 1222 states have call successors, (1222), 266 states have call predecessors, (1222), 265 states have return successors, (1222), 1215 states have call predecessors, (1222), 1222 states have call successors, (1222) [2022-11-25 15:53:08,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4625 states to 4625 states and 6356 transitions. [2022-11-25 15:53:08,355 INFO L78 Accepts]: Start accepts. Automaton has 4625 states and 6356 transitions. Word has length 239 [2022-11-25 15:53:08,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:53:08,357 INFO L495 AbstractCegarLoop]: Abstraction has 4625 states and 6356 transitions. [2022-11-25 15:53:08,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 2 states have internal predecessors, (87), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:08,357 INFO L276 IsEmpty]: Start isEmpty. Operand 4625 states and 6356 transitions. [2022-11-25 15:53:08,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-11-25 15:53:08,367 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:53:08,367 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:53:08,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 15:53:08,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:53:08,590 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:53:08,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:53:08,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1479706668, now seen corresponding path program 1 times [2022-11-25 15:53:08,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:53:08,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171924244] [2022-11-25 15:53:08,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:08,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:53:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:08,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:53:08,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171924244] [2022-11-25 15:53:08,888 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-25 15:53:08,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498757746] [2022-11-25 15:53:08,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:08,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:53:08,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:53:08,890 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:53:08,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 15:53:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:10,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 3787 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:53:10,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:53:11,308 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-11-25 15:53:11,309 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:53:11,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498757746] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:53:11,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:53:11,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:53:11,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217952299] [2022-11-25 15:53:11,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:53:11,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:53:11,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:53:11,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:53:11,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:11,312 INFO L87 Difference]: Start difference. First operand 4625 states and 6356 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 2 states have internal predecessors, (88), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:11,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:53:11,630 INFO L93 Difference]: Finished difference Result 9217 states and 12677 transitions. [2022-11-25 15:53:11,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:53:11,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 2 states have internal predecessors, (88), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 240 [2022-11-25 15:53:11,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:53:11,665 INFO L225 Difference]: With dead ends: 9217 [2022-11-25 15:53:11,665 INFO L226 Difference]: Without dead ends: 4625 [2022-11-25 15:53:11,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:11,691 INFO L413 NwaCegarLoop]: 3825 mSDtfsCounter, 3698 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3698 SdHoareTripleChecker+Valid, 3825 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:53:11,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3698 Valid, 3825 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:53:11,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4625 states. [2022-11-25 15:53:12,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4625 to 4625. [2022-11-25 15:53:12,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4625 states, 3137 states have (on average 1.2464137711189034) internal successors, (3910), 3180 states have internal predecessors, (3910), 1222 states have call successors, (1222), 266 states have call predecessors, (1222), 265 states have return successors, (1222), 1215 states have call predecessors, (1222), 1222 states have call successors, (1222) [2022-11-25 15:53:12,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4625 states to 4625 states and 6354 transitions. [2022-11-25 15:53:12,084 INFO L78 Accepts]: Start accepts. Automaton has 4625 states and 6354 transitions. Word has length 240 [2022-11-25 15:53:12,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:53:12,087 INFO L495 AbstractCegarLoop]: Abstraction has 4625 states and 6354 transitions. [2022-11-25 15:53:12,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 2 states have internal predecessors, (88), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:12,088 INFO L276 IsEmpty]: Start isEmpty. Operand 4625 states and 6354 transitions. [2022-11-25 15:53:12,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-11-25 15:53:12,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:53:12,098 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:53:12,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 15:53:12,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:53:12,315 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:53:12,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:53:12,315 INFO L85 PathProgramCache]: Analyzing trace with hash -628336223, now seen corresponding path program 1 times [2022-11-25 15:53:12,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:53:12,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047326473] [2022-11-25 15:53:12,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:12,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:53:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:12,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:53:12,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047326473] [2022-11-25 15:53:12,608 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-25 15:53:12,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298564560] [2022-11-25 15:53:12,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:12,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:53:12,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:53:12,611 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:53:12,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 15:53:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:14,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 3788 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:53:14,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:53:14,995 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-11-25 15:53:14,996 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:53:14,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298564560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:53:14,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:53:14,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:53:14,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554080769] [2022-11-25 15:53:14,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:53:14,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:53:14,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:53:14,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:53:14,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:14,999 INFO L87 Difference]: Start difference. First operand 4625 states and 6354 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:15,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:53:15,333 INFO L93 Difference]: Finished difference Result 9217 states and 12673 transitions. [2022-11-25 15:53:15,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:53:15,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 241 [2022-11-25 15:53:15,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:53:15,392 INFO L225 Difference]: With dead ends: 9217 [2022-11-25 15:53:15,394 INFO L226 Difference]: Without dead ends: 4625 [2022-11-25 15:53:15,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:15,420 INFO L413 NwaCegarLoop]: 3824 mSDtfsCounter, 3696 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3696 SdHoareTripleChecker+Valid, 3824 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:53:15,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3696 Valid, 3824 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:53:15,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4625 states. [2022-11-25 15:53:15,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4625 to 4625. [2022-11-25 15:53:15,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4625 states, 3137 states have (on average 1.2457762193178197) internal successors, (3908), 3180 states have internal predecessors, (3908), 1222 states have call successors, (1222), 266 states have call predecessors, (1222), 265 states have return successors, (1222), 1215 states have call predecessors, (1222), 1222 states have call successors, (1222) [2022-11-25 15:53:15,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4625 states to 4625 states and 6352 transitions. [2022-11-25 15:53:15,953 INFO L78 Accepts]: Start accepts. Automaton has 4625 states and 6352 transitions. Word has length 241 [2022-11-25 15:53:15,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:53:15,954 INFO L495 AbstractCegarLoop]: Abstraction has 4625 states and 6352 transitions. [2022-11-25 15:53:15,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:15,954 INFO L276 IsEmpty]: Start isEmpty. Operand 4625 states and 6352 transitions. [2022-11-25 15:53:15,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-11-25 15:53:15,963 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:53:15,963 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:53:15,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 15:53:16,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:53:16,179 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:53:16,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:53:16,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1438639800, now seen corresponding path program 1 times [2022-11-25 15:53:16,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:53:16,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10051581] [2022-11-25 15:53:16,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:16,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:53:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:16,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:53:16,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10051581] [2022-11-25 15:53:16,427 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-25 15:53:16,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618721458] [2022-11-25 15:53:16,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:16,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:53:16,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:53:16,432 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:53:16,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 15:53:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:18,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 3789 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:53:18,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:53:18,806 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-11-25 15:53:18,806 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:53:18,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618721458] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:53:18,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:53:18,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:53:18,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749889880] [2022-11-25 15:53:18,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:53:18,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:53:18,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:53:18,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:53:18,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:18,809 INFO L87 Difference]: Start difference. First operand 4625 states and 6352 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:19,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:53:19,147 INFO L93 Difference]: Finished difference Result 9217 states and 12669 transitions. [2022-11-25 15:53:19,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:53:19,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 242 [2022-11-25 15:53:19,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:53:19,174 INFO L225 Difference]: With dead ends: 9217 [2022-11-25 15:53:19,174 INFO L226 Difference]: Without dead ends: 4625 [2022-11-25 15:53:19,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:19,194 INFO L413 NwaCegarLoop]: 3823 mSDtfsCounter, 3694 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3694 SdHoareTripleChecker+Valid, 3823 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:53:19,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3694 Valid, 3823 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:53:19,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4625 states. [2022-11-25 15:53:19,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4625 to 4625. [2022-11-25 15:53:19,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4625 states, 3137 states have (on average 1.2451386675167357) internal successors, (3906), 3180 states have internal predecessors, (3906), 1222 states have call successors, (1222), 266 states have call predecessors, (1222), 265 states have return successors, (1222), 1215 states have call predecessors, (1222), 1222 states have call successors, (1222) [2022-11-25 15:53:19,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4625 states to 4625 states and 6350 transitions. [2022-11-25 15:53:19,761 INFO L78 Accepts]: Start accepts. Automaton has 4625 states and 6350 transitions. Word has length 242 [2022-11-25 15:53:19,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:53:19,764 INFO L495 AbstractCegarLoop]: Abstraction has 4625 states and 6350 transitions. [2022-11-25 15:53:19,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:19,764 INFO L276 IsEmpty]: Start isEmpty. Operand 4625 states and 6350 transitions. [2022-11-25 15:53:19,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-25 15:53:19,777 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:53:19,777 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:53:19,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 15:53:19,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:53:19,991 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:53:19,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:53:19,992 INFO L85 PathProgramCache]: Analyzing trace with hash -673730307, now seen corresponding path program 1 times [2022-11-25 15:53:19,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:53:19,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980330289] [2022-11-25 15:53:19,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:19,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:53:20,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:20,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:53:20,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980330289] [2022-11-25 15:53:20,260 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-25 15:53:20,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680110947] [2022-11-25 15:53:20,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:20,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:53:20,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:53:20,263 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:53:20,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 15:53:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:21,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 3790 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:53:21,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:53:22,467 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-11-25 15:53:22,467 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:53:22,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680110947] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:53:22,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:53:22,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:53:22,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729013906] [2022-11-25 15:53:22,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:53:22,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:53:22,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:53:22,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:53:22,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:22,470 INFO L87 Difference]: Start difference. First operand 4625 states and 6350 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:22,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:53:22,834 INFO L93 Difference]: Finished difference Result 9217 states and 12665 transitions. [2022-11-25 15:53:22,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:53:22,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 243 [2022-11-25 15:53:22,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:53:22,861 INFO L225 Difference]: With dead ends: 9217 [2022-11-25 15:53:22,862 INFO L226 Difference]: Without dead ends: 4625 [2022-11-25 15:53:22,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:22,881 INFO L413 NwaCegarLoop]: 3822 mSDtfsCounter, 3692 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3692 SdHoareTripleChecker+Valid, 3822 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:53:22,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3692 Valid, 3822 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:53:22,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4625 states. [2022-11-25 15:53:23,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4625 to 4625. [2022-11-25 15:53:23,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4625 states, 3137 states have (on average 1.2445011157156518) internal successors, (3904), 3180 states have internal predecessors, (3904), 1222 states have call successors, (1222), 266 states have call predecessors, (1222), 265 states have return successors, (1222), 1215 states have call predecessors, (1222), 1222 states have call successors, (1222) [2022-11-25 15:53:23,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4625 states to 4625 states and 6348 transitions. [2022-11-25 15:53:23,366 INFO L78 Accepts]: Start accepts. Automaton has 4625 states and 6348 transitions. Word has length 243 [2022-11-25 15:53:23,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:53:23,368 INFO L495 AbstractCegarLoop]: Abstraction has 4625 states and 6348 transitions. [2022-11-25 15:53:23,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:23,369 INFO L276 IsEmpty]: Start isEmpty. Operand 4625 states and 6348 transitions. [2022-11-25 15:53:23,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-11-25 15:53:23,378 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:53:23,378 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:53:23,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-25 15:53:23,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-25 15:53:23,601 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:53:23,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:53:23,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1678144100, now seen corresponding path program 1 times [2022-11-25 15:53:23,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:53:23,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693191412] [2022-11-25 15:53:23,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:23,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:53:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:23,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:53:23,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693191412] [2022-11-25 15:53:23,815 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-25 15:53:23,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670745405] [2022-11-25 15:53:23,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:23,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:53:23,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:53:23,818 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:53:23,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 15:53:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:25,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 3791 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:53:25,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:53:26,177 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-11-25 15:53:26,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:53:26,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670745405] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:53:26,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:53:26,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:53:26,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736667106] [2022-11-25 15:53:26,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:53:26,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:53:26,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:53:26,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:53:26,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:26,181 INFO L87 Difference]: Start difference. First operand 4625 states and 6348 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:26,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:53:26,558 INFO L93 Difference]: Finished difference Result 9217 states and 12661 transitions. [2022-11-25 15:53:26,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:53:26,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 244 [2022-11-25 15:53:26,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:53:26,583 INFO L225 Difference]: With dead ends: 9217 [2022-11-25 15:53:26,583 INFO L226 Difference]: Without dead ends: 4625 [2022-11-25 15:53:26,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:26,604 INFO L413 NwaCegarLoop]: 3821 mSDtfsCounter, 3690 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3690 SdHoareTripleChecker+Valid, 3821 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:53:26,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3690 Valid, 3821 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:53:26,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4625 states. [2022-11-25 15:53:27,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4625 to 4625. [2022-11-25 15:53:27,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4625 states, 3137 states have (on average 1.243863563914568) internal successors, (3902), 3180 states have internal predecessors, (3902), 1222 states have call successors, (1222), 266 states have call predecessors, (1222), 265 states have return successors, (1222), 1215 states have call predecessors, (1222), 1222 states have call successors, (1222) [2022-11-25 15:53:27,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4625 states to 4625 states and 6346 transitions. [2022-11-25 15:53:27,119 INFO L78 Accepts]: Start accepts. Automaton has 4625 states and 6346 transitions. Word has length 244 [2022-11-25 15:53:27,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:53:27,120 INFO L495 AbstractCegarLoop]: Abstraction has 4625 states and 6346 transitions. [2022-11-25 15:53:27,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:27,121 INFO L276 IsEmpty]: Start isEmpty. Operand 4625 states and 6346 transitions. [2022-11-25 15:53:27,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-11-25 15:53:27,131 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:53:27,131 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:53:27,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-25 15:53:27,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:53:27,353 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:53:27,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:53:27,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1686323289, now seen corresponding path program 1 times [2022-11-25 15:53:27,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:53:27,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099797881] [2022-11-25 15:53:27,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:27,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:53:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:27,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:53:27,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099797881] [2022-11-25 15:53:27,556 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-25 15:53:27,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691380858] [2022-11-25 15:53:27,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:27,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:53:27,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:53:27,558 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:53:27,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-25 15:53:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:29,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 3792 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:53:29,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:53:29,859 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-11-25 15:53:29,859 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:53:29,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691380858] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:53:29,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:53:29,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:53:29,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655260913] [2022-11-25 15:53:29,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:53:29,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:53:29,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:53:29,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:53:29,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:29,865 INFO L87 Difference]: Start difference. First operand 4625 states and 6346 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:30,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:53:30,290 INFO L93 Difference]: Finished difference Result 9324 states and 12783 transitions. [2022-11-25 15:53:30,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:53:30,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 245 [2022-11-25 15:53:30,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:53:30,316 INFO L225 Difference]: With dead ends: 9324 [2022-11-25 15:53:30,316 INFO L226 Difference]: Without dead ends: 4732 [2022-11-25 15:53:30,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:30,336 INFO L413 NwaCegarLoop]: 3873 mSDtfsCounter, 3616 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3616 SdHoareTripleChecker+Valid, 4007 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:53:30,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3616 Valid, 4007 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:53:30,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4732 states. [2022-11-25 15:53:30,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4732 to 4732. [2022-11-25 15:53:30,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4732 states, 3209 states have (on average 1.2433779993767529) internal successors, (3990), 3252 states have internal predecessors, (3990), 1240 states have call successors, (1240), 283 states have call predecessors, (1240), 282 states have return successors, (1240), 1233 states have call predecessors, (1240), 1240 states have call successors, (1240) [2022-11-25 15:53:30,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4732 states to 4732 states and 6470 transitions. [2022-11-25 15:53:30,831 INFO L78 Accepts]: Start accepts. Automaton has 4732 states and 6470 transitions. Word has length 245 [2022-11-25 15:53:30,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:53:30,832 INFO L495 AbstractCegarLoop]: Abstraction has 4732 states and 6470 transitions. [2022-11-25 15:53:30,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:30,833 INFO L276 IsEmpty]: Start isEmpty. Operand 4732 states and 6470 transitions. [2022-11-25 15:53:30,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-11-25 15:53:30,843 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:53:30,843 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:53:30,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-25 15:53:31,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-25 15:53:31,059 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:53:31,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:53:31,060 INFO L85 PathProgramCache]: Analyzing trace with hash 2054394752, now seen corresponding path program 1 times [2022-11-25 15:53:31,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:53:31,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052943155] [2022-11-25 15:53:31,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:31,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:53:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:31,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:53:31,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052943155] [2022-11-25 15:53:31,254 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-25 15:53:31,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087947525] [2022-11-25 15:53:31,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:31,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:53:31,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:53:31,256 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:53:31,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-25 15:53:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:32,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 3793 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:53:32,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:53:33,405 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-11-25 15:53:33,405 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:53:33,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087947525] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:53:33,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:53:33,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:53:33,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344972531] [2022-11-25 15:53:33,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:53:33,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:53:33,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:53:33,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:53:33,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:33,408 INFO L87 Difference]: Start difference. First operand 4732 states and 6470 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:33,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:53:33,995 INFO L93 Difference]: Finished difference Result 9431 states and 12905 transitions. [2022-11-25 15:53:33,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:53:33,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 246 [2022-11-25 15:53:33,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:53:34,026 INFO L225 Difference]: With dead ends: 9431 [2022-11-25 15:53:34,026 INFO L226 Difference]: Without dead ends: 4732 [2022-11-25 15:53:34,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:34,049 INFO L413 NwaCegarLoop]: 3819 mSDtfsCounter, 3686 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3686 SdHoareTripleChecker+Valid, 3819 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:53:34,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3686 Valid, 3819 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:53:34,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4732 states. [2022-11-25 15:53:34,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4732 to 4732. [2022-11-25 15:53:34,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4732 states, 3209 states have (on average 1.2427547522592708) internal successors, (3988), 3252 states have internal predecessors, (3988), 1240 states have call successors, (1240), 283 states have call predecessors, (1240), 282 states have return successors, (1240), 1233 states have call predecessors, (1240), 1240 states have call successors, (1240) [2022-11-25 15:53:34,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4732 states to 4732 states and 6468 transitions. [2022-11-25 15:53:34,655 INFO L78 Accepts]: Start accepts. Automaton has 4732 states and 6468 transitions. Word has length 246 [2022-11-25 15:53:34,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:53:34,655 INFO L495 AbstractCegarLoop]: Abstraction has 4732 states and 6468 transitions. [2022-11-25 15:53:34,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:34,656 INFO L276 IsEmpty]: Start isEmpty. Operand 4732 states and 6468 transitions. [2022-11-25 15:53:34,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-11-25 15:53:34,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:53:34,664 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:53:34,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-25 15:53:34,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-25 15:53:34,880 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:53:34,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:53:34,880 INFO L85 PathProgramCache]: Analyzing trace with hash 694224821, now seen corresponding path program 1 times [2022-11-25 15:53:34,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:53:34,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939828455] [2022-11-25 15:53:34,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:34,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:53:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:35,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:53:35,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939828455] [2022-11-25 15:53:35,083 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-25 15:53:35,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327874085] [2022-11-25 15:53:35,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:35,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:53:35,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:53:35,085 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:53:35,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-25 15:53:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:36,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 3794 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:53:36,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:53:37,454 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-11-25 15:53:37,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:53:37,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327874085] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:53:37,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:53:37,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:53:37,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932322432] [2022-11-25 15:53:37,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:53:37,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:53:37,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:53:37,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:53:37,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:37,456 INFO L87 Difference]: Start difference. First operand 4732 states and 6468 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:37,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:53:37,991 INFO L93 Difference]: Finished difference Result 9431 states and 12901 transitions. [2022-11-25 15:53:37,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:53:37,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 247 [2022-11-25 15:53:37,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:53:38,015 INFO L225 Difference]: With dead ends: 9431 [2022-11-25 15:53:38,015 INFO L226 Difference]: Without dead ends: 4732 [2022-11-25 15:53:38,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:38,033 INFO L413 NwaCegarLoop]: 3818 mSDtfsCounter, 3684 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3684 SdHoareTripleChecker+Valid, 3818 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:53:38,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3684 Valid, 3818 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:53:38,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4732 states. [2022-11-25 15:53:38,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4732 to 4732. [2022-11-25 15:53:38,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4732 states, 3209 states have (on average 1.2421315051417887) internal successors, (3986), 3252 states have internal predecessors, (3986), 1240 states have call successors, (1240), 283 states have call predecessors, (1240), 282 states have return successors, (1240), 1233 states have call predecessors, (1240), 1240 states have call successors, (1240) [2022-11-25 15:53:38,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4732 states to 4732 states and 6466 transitions. [2022-11-25 15:53:38,521 INFO L78 Accepts]: Start accepts. Automaton has 4732 states and 6466 transitions. Word has length 247 [2022-11-25 15:53:38,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:53:38,522 INFO L495 AbstractCegarLoop]: Abstraction has 4732 states and 6466 transitions. [2022-11-25 15:53:38,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:38,522 INFO L276 IsEmpty]: Start isEmpty. Operand 4732 states and 6466 transitions. [2022-11-25 15:53:38,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-11-25 15:53:38,530 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:53:38,531 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:53:38,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-25 15:53:38,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-25 15:53:38,746 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:53:38,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:53:38,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1593146524, now seen corresponding path program 1 times [2022-11-25 15:53:38,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:53:38,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293786105] [2022-11-25 15:53:38,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:38,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:53:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:38,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:53:38,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293786105] [2022-11-25 15:53:38,956 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-25 15:53:38,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90811475] [2022-11-25 15:53:38,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:38,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:53:38,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:53:38,960 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:53:38,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-25 15:53:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:40,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 3795 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:53:40,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:53:41,098 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-11-25 15:53:41,099 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:53:41,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90811475] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:53:41,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:53:41,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:53:41,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864908338] [2022-11-25 15:53:41,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:53:41,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:53:41,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:53:41,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:53:41,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:41,102 INFO L87 Difference]: Start difference. First operand 4732 states and 6466 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:41,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:53:41,556 INFO L93 Difference]: Finished difference Result 9431 states and 12897 transitions. [2022-11-25 15:53:41,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:53:41,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 248 [2022-11-25 15:53:41,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:53:41,581 INFO L225 Difference]: With dead ends: 9431 [2022-11-25 15:53:41,581 INFO L226 Difference]: Without dead ends: 4732 [2022-11-25 15:53:41,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:41,600 INFO L413 NwaCegarLoop]: 3817 mSDtfsCounter, 3682 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3682 SdHoareTripleChecker+Valid, 3817 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:53:41,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3682 Valid, 3817 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:53:41,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4732 states. [2022-11-25 15:53:42,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4732 to 4732. [2022-11-25 15:53:42,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4732 states, 3209 states have (on average 1.2415082580243066) internal successors, (3984), 3252 states have internal predecessors, (3984), 1240 states have call successors, (1240), 283 states have call predecessors, (1240), 282 states have return successors, (1240), 1233 states have call predecessors, (1240), 1240 states have call successors, (1240) [2022-11-25 15:53:42,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4732 states to 4732 states and 6464 transitions. [2022-11-25 15:53:42,116 INFO L78 Accepts]: Start accepts. Automaton has 4732 states and 6464 transitions. Word has length 248 [2022-11-25 15:53:42,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:53:42,117 INFO L495 AbstractCegarLoop]: Abstraction has 4732 states and 6464 transitions. [2022-11-25 15:53:42,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:42,117 INFO L276 IsEmpty]: Start isEmpty. Operand 4732 states and 6464 transitions. [2022-11-25 15:53:42,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-11-25 15:53:42,125 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:53:42,126 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:53:42,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-25 15:53:42,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-25 15:53:42,339 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:53:42,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:53:42,340 INFO L85 PathProgramCache]: Analyzing trace with hash -490535151, now seen corresponding path program 1 times [2022-11-25 15:53:42,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:53:42,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475604059] [2022-11-25 15:53:42,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:42,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:53:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:42,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:53:42,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475604059] [2022-11-25 15:53:42,535 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-25 15:53:42,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357990386] [2022-11-25 15:53:42,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:42,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:53:42,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:53:42,538 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:53:42,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-25 15:53:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:44,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 3796 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:53:44,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:53:44,870 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-11-25 15:53:44,870 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:53:44,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357990386] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:53:44,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:53:44,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:53:44,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142061785] [2022-11-25 15:53:44,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:53:44,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:53:44,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:53:44,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:53:44,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:44,873 INFO L87 Difference]: Start difference. First operand 4732 states and 6464 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:45,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:53:45,270 INFO L93 Difference]: Finished difference Result 9431 states and 12893 transitions. [2022-11-25 15:53:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:53:45,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 249 [2022-11-25 15:53:45,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:53:45,296 INFO L225 Difference]: With dead ends: 9431 [2022-11-25 15:53:45,297 INFO L226 Difference]: Without dead ends: 4732 [2022-11-25 15:53:45,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:45,317 INFO L413 NwaCegarLoop]: 3816 mSDtfsCounter, 3680 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3680 SdHoareTripleChecker+Valid, 3816 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:53:45,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3680 Valid, 3816 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:53:45,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4732 states. [2022-11-25 15:53:45,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4732 to 4732. [2022-11-25 15:53:45,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4732 states, 3209 states have (on average 1.2408850109068246) internal successors, (3982), 3252 states have internal predecessors, (3982), 1240 states have call successors, (1240), 283 states have call predecessors, (1240), 282 states have return successors, (1240), 1233 states have call predecessors, (1240), 1240 states have call successors, (1240) [2022-11-25 15:53:45,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4732 states to 4732 states and 6462 transitions. [2022-11-25 15:53:45,867 INFO L78 Accepts]: Start accepts. Automaton has 4732 states and 6462 transitions. Word has length 249 [2022-11-25 15:53:45,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:53:45,868 INFO L495 AbstractCegarLoop]: Abstraction has 4732 states and 6462 transitions. [2022-11-25 15:53:45,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:45,869 INFO L276 IsEmpty]: Start isEmpty. Operand 4732 states and 6462 transitions. [2022-11-25 15:53:45,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-25 15:53:45,876 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:53:45,877 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:53:45,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-25 15:53:46,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-25 15:53:46,093 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:53:46,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:53:46,094 INFO L85 PathProgramCache]: Analyzing trace with hash -545641032, now seen corresponding path program 1 times [2022-11-25 15:53:46,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:53:46,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861261433] [2022-11-25 15:53:46,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:46,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:53:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:46,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:53:46,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861261433] [2022-11-25 15:53:46,314 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-25 15:53:46,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536793242] [2022-11-25 15:53:46,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:46,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:53:46,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:53:46,317 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:53:46,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-25 15:53:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:48,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 3797 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:53:48,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:53:48,857 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-11-25 15:53:48,858 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:53:48,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536793242] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:53:48,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:53:48,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:53:48,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438881297] [2022-11-25 15:53:48,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:53:48,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:53:48,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:53:48,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:53:48,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:48,861 INFO L87 Difference]: Start difference. First operand 4732 states and 6462 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:49,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:53:49,463 INFO L93 Difference]: Finished difference Result 9431 states and 12889 transitions. [2022-11-25 15:53:49,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:53:49,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 250 [2022-11-25 15:53:49,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:53:49,491 INFO L225 Difference]: With dead ends: 9431 [2022-11-25 15:53:49,491 INFO L226 Difference]: Without dead ends: 4732 [2022-11-25 15:53:49,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:49,511 INFO L413 NwaCegarLoop]: 3815 mSDtfsCounter, 3678 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3678 SdHoareTripleChecker+Valid, 3815 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:53:49,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3678 Valid, 3815 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:53:49,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4732 states. [2022-11-25 15:53:50,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4732 to 4732. [2022-11-25 15:53:50,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4732 states, 3209 states have (on average 1.2402617637893425) internal successors, (3980), 3252 states have internal predecessors, (3980), 1240 states have call successors, (1240), 283 states have call predecessors, (1240), 282 states have return successors, (1240), 1233 states have call predecessors, (1240), 1240 states have call successors, (1240) [2022-11-25 15:53:50,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4732 states to 4732 states and 6460 transitions. [2022-11-25 15:53:50,099 INFO L78 Accepts]: Start accepts. Automaton has 4732 states and 6460 transitions. Word has length 250 [2022-11-25 15:53:50,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:53:50,100 INFO L495 AbstractCegarLoop]: Abstraction has 4732 states and 6460 transitions. [2022-11-25 15:53:50,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:50,101 INFO L276 IsEmpty]: Start isEmpty. Operand 4732 states and 6460 transitions. [2022-11-25 15:53:50,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-11-25 15:53:50,110 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:53:50,110 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:53:50,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-25 15:53:50,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:53:50,324 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:53:50,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:53:50,324 INFO L85 PathProgramCache]: Analyzing trace with hash -2139406739, now seen corresponding path program 1 times [2022-11-25 15:53:50,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:53:50,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425485072] [2022-11-25 15:53:50,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:50,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:53:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:50,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:53:50,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425485072] [2022-11-25 15:53:50,517 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-25 15:53:50,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702596643] [2022-11-25 15:53:50,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:50,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:53:50,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:53:50,519 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:53:50,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-25 15:53:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:52,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 3798 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:53:52,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:53:52,832 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-11-25 15:53:52,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:53:52,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702596643] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:53:52,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:53:52,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:53:52,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606467991] [2022-11-25 15:53:52,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:53:52,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:53:52,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:53:52,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:53:52,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:52,837 INFO L87 Difference]: Start difference. First operand 4732 states and 6460 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:53,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:53:53,244 INFO L93 Difference]: Finished difference Result 9431 states and 12885 transitions. [2022-11-25 15:53:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:53:53,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 251 [2022-11-25 15:53:53,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:53:53,270 INFO L225 Difference]: With dead ends: 9431 [2022-11-25 15:53:53,271 INFO L226 Difference]: Without dead ends: 4732 [2022-11-25 15:53:53,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:53,289 INFO L413 NwaCegarLoop]: 3814 mSDtfsCounter, 3676 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3676 SdHoareTripleChecker+Valid, 3814 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:53:53,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3676 Valid, 3814 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:53:53,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4732 states. [2022-11-25 15:53:53,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4732 to 4732. [2022-11-25 15:53:53,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4732 states, 3209 states have (on average 1.2396385166718604) internal successors, (3978), 3252 states have internal predecessors, (3978), 1240 states have call successors, (1240), 283 states have call predecessors, (1240), 282 states have return successors, (1240), 1233 states have call predecessors, (1240), 1240 states have call successors, (1240) [2022-11-25 15:53:53,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4732 states to 4732 states and 6458 transitions. [2022-11-25 15:53:53,882 INFO L78 Accepts]: Start accepts. Automaton has 4732 states and 6458 transitions. Word has length 251 [2022-11-25 15:53:53,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:53:53,883 INFO L495 AbstractCegarLoop]: Abstraction has 4732 states and 6458 transitions. [2022-11-25 15:53:53,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:53,884 INFO L276 IsEmpty]: Start isEmpty. Operand 4732 states and 6458 transitions. [2022-11-25 15:53:53,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-11-25 15:53:53,891 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:53:53,892 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:53:53,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-25 15:53:54,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-25 15:53:54,108 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:53:54,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:53:54,109 INFO L85 PathProgramCache]: Analyzing trace with hash 107980500, now seen corresponding path program 1 times [2022-11-25 15:53:54,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:53:54,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995615222] [2022-11-25 15:53:54,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:54,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:53:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:54,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:53:54,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995615222] [2022-11-25 15:53:54,303 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-25 15:53:54,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236324974] [2022-11-25 15:53:54,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:54,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:53:54,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:53:54,306 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:53:54,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-25 15:53:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:56,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 3799 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:53:56,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:53:56,788 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-11-25 15:53:56,788 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:53:56,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236324974] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:53:56,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:53:56,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:53:56,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431106579] [2022-11-25 15:53:56,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:53:56,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:53:56,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:53:56,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:53:56,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:56,793 INFO L87 Difference]: Start difference. First operand 4732 states and 6458 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:57,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:53:57,745 INFO L93 Difference]: Finished difference Result 14122 states and 19283 transitions. [2022-11-25 15:53:57,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:53:57,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 252 [2022-11-25 15:53:57,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:53:57,790 INFO L225 Difference]: With dead ends: 14122 [2022-11-25 15:53:57,790 INFO L226 Difference]: Without dead ends: 9423 [2022-11-25 15:53:57,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:57,814 INFO L413 NwaCegarLoop]: 4816 mSDtfsCounter, 3675 mSDsluCounter, 3752 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3675 SdHoareTripleChecker+Valid, 8568 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:53:57,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3675 Valid, 8568 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:53:57,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9423 states. [2022-11-25 15:53:58,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9423 to 9420. [2022-11-25 15:53:58,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9420 states, 6392 states have (on average 1.2403003754693367) internal successors, (7928), 6481 states have internal predecessors, (7928), 2464 states have call successors, (2464), 566 states have call predecessors, (2464), 563 states have return successors, (2464), 2446 states have call predecessors, (2464), 2464 states have call successors, (2464) [2022-11-25 15:53:58,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9420 states to 9420 states and 12856 transitions. [2022-11-25 15:53:58,960 INFO L78 Accepts]: Start accepts. Automaton has 9420 states and 12856 transitions. Word has length 252 [2022-11-25 15:53:58,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:53:58,961 INFO L495 AbstractCegarLoop]: Abstraction has 9420 states and 12856 transitions. [2022-11-25 15:53:58,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 15:53:58,961 INFO L276 IsEmpty]: Start isEmpty. Operand 9420 states and 12856 transitions. [2022-11-25 15:53:58,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-11-25 15:53:58,968 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:53:58,969 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:53:58,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-25 15:53:59,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-25 15:53:59,185 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:53:59,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:53:59,185 INFO L85 PathProgramCache]: Analyzing trace with hash 136609651, now seen corresponding path program 1 times [2022-11-25 15:53:59,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:53:59,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985257471] [2022-11-25 15:53:59,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:59,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:53:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:59,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:53:59,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985257471] [2022-11-25 15:53:59,376 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-25 15:53:59,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172887566] [2022-11-25 15:53:59,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:59,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:53:59,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:53:59,378 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:53:59,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-25 15:54:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:54:01,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 3798 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:54:01,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:54:01,335 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-11-25 15:54:01,335 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:54:01,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172887566] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:54:01,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:54:01,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:54:01,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602874755] [2022-11-25 15:54:01,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:54:01,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:54:01,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:54:01,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:54:01,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:54:01,338 INFO L87 Difference]: Start difference. First operand 9420 states and 12856 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-25 15:54:03,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:54:03,241 INFO L93 Difference]: Finished difference Result 24584 states and 33469 transitions. [2022-11-25 15:54:03,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:54:03,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 252 [2022-11-25 15:54:03,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:54:03,299 INFO L225 Difference]: With dead ends: 24584 [2022-11-25 15:54:03,299 INFO L226 Difference]: Without dead ends: 15197 [2022-11-25 15:54:03,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:54:03,336 INFO L413 NwaCegarLoop]: 5422 mSDtfsCounter, 2659 mSDsluCounter, 3708 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2659 SdHoareTripleChecker+Valid, 9130 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 15:54:03,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2659 Valid, 9130 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 15:54:03,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15197 states. [2022-11-25 15:54:05,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15197 to 15191. [2022-11-25 15:54:05,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15191 states, 10366 states have (on average 1.239340150491993) internal successors, (12847), 10494 states have internal predecessors, (12847), 3874 states have call successors, (3874), 954 states have call predecessors, (3874), 950 states have return successors, (3874), 3846 states have call predecessors, (3874), 3874 states have call successors, (3874) [2022-11-25 15:54:05,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15191 states to 15191 states and 20595 transitions. [2022-11-25 15:54:05,342 INFO L78 Accepts]: Start accepts. Automaton has 15191 states and 20595 transitions. Word has length 252 [2022-11-25 15:54:05,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:54:05,343 INFO L495 AbstractCegarLoop]: Abstraction has 15191 states and 20595 transitions. [2022-11-25 15:54:05,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-25 15:54:05,344 INFO L276 IsEmpty]: Start isEmpty. Operand 15191 states and 20595 transitions. [2022-11-25 15:54:05,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-11-25 15:54:05,353 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:54:05,353 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:54:05,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-25 15:54:05,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-25 15:54:05,569 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:54:05,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:54:05,569 INFO L85 PathProgramCache]: Analyzing trace with hash -409706816, now seen corresponding path program 1 times [2022-11-25 15:54:05,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:54:05,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834023317] [2022-11-25 15:54:05,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:54:05,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:54:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:54:05,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:54:05,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834023317] [2022-11-25 15:54:05,758 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-25 15:54:05,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087492509] [2022-11-25 15:54:05,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:54:05,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:54:05,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:54:05,760 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:54:05,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-25 15:54:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:54:07,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 3992 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:54:07,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:54:07,838 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 822 trivial. 0 not checked. [2022-11-25 15:54:07,839 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:54:07,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087492509] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:54:07,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:54:07,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:54:07,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576912543] [2022-11-25 15:54:07,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:54:07,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:54:07,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:54:07,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:54:07,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:54:07,842 INFO L87 Difference]: Start difference. First operand 15191 states and 20595 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-25 15:54:10,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:54:10,222 INFO L93 Difference]: Finished difference Result 36150 states and 48955 transitions. [2022-11-25 15:54:10,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:54:10,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 304 [2022-11-25 15:54:10,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:54:10,319 INFO L225 Difference]: With dead ends: 36150 [2022-11-25 15:54:10,319 INFO L226 Difference]: Without dead ends: 20992 [2022-11-25 15:54:10,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:54:10,371 INFO L413 NwaCegarLoop]: 4661 mSDtfsCounter, 3715 mSDsluCounter, 2653 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3715 SdHoareTripleChecker+Valid, 7314 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 15:54:10,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3715 Valid, 7314 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 15:54:10,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20992 states. [2022-11-25 15:54:12,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20992 to 20986. [2022-11-25 15:54:12,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20986 states, 14348 states have (on average 1.241287984388068) internal successors, (17810), 14515 states have internal predecessors, (17810), 5288 states have call successors, (5288), 1354 states have call predecessors, (5288), 1349 states have return successors, (5288), 5250 states have call predecessors, (5288), 5288 states have call successors, (5288) [2022-11-25 15:54:12,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20986 states to 20986 states and 28386 transitions. [2022-11-25 15:54:12,937 INFO L78 Accepts]: Start accepts. Automaton has 20986 states and 28386 transitions. Word has length 304 [2022-11-25 15:54:12,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:54:12,938 INFO L495 AbstractCegarLoop]: Abstraction has 20986 states and 28386 transitions. [2022-11-25 15:54:12,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-25 15:54:12,938 INFO L276 IsEmpty]: Start isEmpty. Operand 20986 states and 28386 transitions. [2022-11-25 15:54:12,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-11-25 15:54:12,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:54:12,946 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:54:12,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-11-25 15:54:13,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:54:13,147 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:54:13,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:54:13,148 INFO L85 PathProgramCache]: Analyzing trace with hash -10692375, now seen corresponding path program 1 times [2022-11-25 15:54:13,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:54:13,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771971319] [2022-11-25 15:54:13,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:54:13,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:54:13,282 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 15:54:13,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [82440556] [2022-11-25 15:54:13,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:54:13,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:54:13,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:54:13,284 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:54:13,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-25 15:54:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:54:15,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 4066 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:54:15,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:54:15,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 921 trivial. 0 not checked. [2022-11-25 15:54:15,254 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:54:15,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:54:15,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771971319] [2022-11-25 15:54:15,255 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 15:54:15,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82440556] [2022-11-25 15:54:15,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82440556] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:54:15,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:54:15,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:54:15,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654786688] [2022-11-25 15:54:15,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:54:15,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:54:15,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:54:15,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:54:15,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:54:15,258 INFO L87 Difference]: Start difference. First operand 20986 states and 28386 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-25 15:54:18,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:54:18,324 INFO L93 Difference]: Finished difference Result 46882 states and 63387 transitions. [2022-11-25 15:54:18,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:54:18,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 316 [2022-11-25 15:54:18,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:54:18,430 INFO L225 Difference]: With dead ends: 46882 [2022-11-25 15:54:18,431 INFO L226 Difference]: Without dead ends: 25929 [2022-11-25 15:54:18,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:54:18,496 INFO L413 NwaCegarLoop]: 5287 mSDtfsCounter, 2646 mSDsluCounter, 3697 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2646 SdHoareTripleChecker+Valid, 8984 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 15:54:18,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2646 Valid, 8984 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 15:54:18,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25929 states. [2022-11-25 15:54:21,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25929 to 25923. [2022-11-25 15:54:21,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25923 states, 17756 states have (on average 1.2403131335886461) internal successors, (22023), 17962 states have internal predecessors, (22023), 6482 states have call successors, (6482), 1690 states have call predecessors, (6482), 1684 states have return successors, (6482), 6434 states have call predecessors, (6482), 6482 states have call successors, (6482) [2022-11-25 15:54:21,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25923 states to 25923 states and 34987 transitions. [2022-11-25 15:54:21,908 INFO L78 Accepts]: Start accepts. Automaton has 25923 states and 34987 transitions. Word has length 316 [2022-11-25 15:54:21,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:54:21,909 INFO L495 AbstractCegarLoop]: Abstraction has 25923 states and 34987 transitions. [2022-11-25 15:54:21,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-25 15:54:21,910 INFO L276 IsEmpty]: Start isEmpty. Operand 25923 states and 34987 transitions. [2022-11-25 15:54:21,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2022-11-25 15:54:21,920 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:54:21,920 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 14, 14, 14, 14, 14, 14, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:54:21,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-11-25 15:54:22,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:54:22,121 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:54:22,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:54:22,122 INFO L85 PathProgramCache]: Analyzing trace with hash 512963158, now seen corresponding path program 1 times [2022-11-25 15:54:22,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:54:22,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246627720] [2022-11-25 15:54:22,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:54:22,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:54:22,271 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 15:54:22,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2120274229] [2022-11-25 15:54:22,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:54:22,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:54:22,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:54:22,274 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:54:22,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-11-25 15:54:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:54:24,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 4287 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:54:24,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:54:24,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1258 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 1185 trivial. 0 not checked. [2022-11-25 15:54:24,184 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:54:24,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:54:24,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246627720] [2022-11-25 15:54:24,184 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 15:54:24,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120274229] [2022-11-25 15:54:24,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2120274229] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:54:24,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:54:24,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:54:24,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102713520] [2022-11-25 15:54:24,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:54:24,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:54:24,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:54:24,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:54:24,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:54:24,187 INFO L87 Difference]: Start difference. First operand 25923 states and 34987 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-25 15:54:28,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:54:28,025 INFO L93 Difference]: Finished difference Result 58498 states and 78910 transitions. [2022-11-25 15:54:28,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:54:28,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 390 [2022-11-25 15:54:28,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:54:28,148 INFO L225 Difference]: With dead ends: 58498 [2022-11-25 15:54:28,149 INFO L226 Difference]: Without dead ends: 32608 [2022-11-25 15:54:28,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:54:28,206 INFO L413 NwaCegarLoop]: 4720 mSDtfsCounter, 3294 mSDsluCounter, 3333 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3294 SdHoareTripleChecker+Valid, 8053 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 15:54:28,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3294 Valid, 8053 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 15:54:28,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32608 states. [2022-11-25 15:54:31,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32608 to 32602. [2022-11-25 15:54:31,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32602 states, 22404 states have (on average 1.2401803249419747) internal successors, (27785), 22657 states have internal predecessors, (27785), 8070 states have call successors, (8070), 2134 states have call predecessors, (8070), 2127 states have return successors, (8070), 8012 states have call predecessors, (8070), 8070 states have call successors, (8070) [2022-11-25 15:54:31,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32602 states to 32602 states and 43925 transitions. [2022-11-25 15:54:31,845 INFO L78 Accepts]: Start accepts. Automaton has 32602 states and 43925 transitions. Word has length 390 [2022-11-25 15:54:31,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:54:31,846 INFO L495 AbstractCegarLoop]: Abstraction has 32602 states and 43925 transitions. [2022-11-25 15:54:31,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-25 15:54:31,846 INFO L276 IsEmpty]: Start isEmpty. Operand 32602 states and 43925 transitions. [2022-11-25 15:54:31,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2022-11-25 15:54:31,855 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:54:31,856 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 14, 14, 14, 14, 14, 14, 9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:54:31,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-11-25 15:54:32,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:54:32,057 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:54:32,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:54:32,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1316957407, now seen corresponding path program 1 times [2022-11-25 15:54:32,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:54:32,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917837758] [2022-11-25 15:54:32,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:54:32,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:54:32,205 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 15:54:32,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [438237543] [2022-11-25 15:54:32,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:54:32,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:54:32,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:54:32,207 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:54:32,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a25201-72c3-42c5-83b4-d854d32ef1a8/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-11-25 15:54:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:54:34,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 4371 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:54:34,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:54:34,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2022-11-25 15:54:34,210 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:54:34,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:54:34,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917837758] [2022-11-25 15:54:34,211 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 15:54:34,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438237543] [2022-11-25 15:54:34,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438237543] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:54:34,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:54:34,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:54:34,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060395783] [2022-11-25 15:54:34,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:54:34,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:54:34,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:54:34,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:54:34,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:54:34,216 INFO L87 Difference]: Start difference. First operand 32602 states and 43925 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40)