./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3a2c6724f5301da85e20fbddd1914030623487cb494f00194a53042f01a1dafb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 17:22:29,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:22:29,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:22:29,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:22:29,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:22:29,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:22:29,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:22:29,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:22:29,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:22:29,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:22:29,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:22:29,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:22:29,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:22:29,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:22:29,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:22:29,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:22:29,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:22:29,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:22:29,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:22:29,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:22:29,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:22:29,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:22:29,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:22:29,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:22:29,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:22:29,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:22:29,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:22:29,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:22:29,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:22:29,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:22:29,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:22:29,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:22:29,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:22:29,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:22:29,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:22:29,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:22:29,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:22:29,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:22:29,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:22:29,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:22:29,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:22:29,656 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 17:22:29,668 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:22:29,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:22:29,669 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:22:29,669 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:22:29,669 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:22:29,669 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:22:29,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:22:29,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:22:29,675 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:22:29,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:22:29,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:22:29,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:22:29,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:22:29,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:22:29,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:22:29,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:22:29,677 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:22:29,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:22:29,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:22:29,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:22:29,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:22:29,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:22:29,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:22:29,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:22:29,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:22:29,678 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:22:29,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 17:22:29,679 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:22:29,679 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:22:29,679 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:22:29,679 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:22:29,679 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:22:29,680 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_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a2c6724f5301da85e20fbddd1914030623487cb494f00194a53042f01a1dafb [2022-12-13 17:22:29,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:22:29,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:22:29,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:22:29,881 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:22:29,882 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:22:29,882 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-12-13 17:22:32,382 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:22:32,771 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:22:32,771 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-12-13 17:22:32,797 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/data/4180c1bc4/304eb821c1544eb396ac0ad5606c0b44/FLAG4b7479a0a [2022-12-13 17:22:32,951 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/data/4180c1bc4/304eb821c1544eb396ac0ad5606c0b44 [2022-12-13 17:22:32,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:22:32,954 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:22:32,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:22:32,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:22:32,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:22:32,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:22:32" (1/1) ... [2022-12-13 17:22:32,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c8d3c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:22:32, skipping insertion in model container [2022-12-13 17:22:32,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:22:32" (1/1) ... [2022-12-13 17:22:32,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:22:33,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:22:33,617 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 17:22:33,622 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 17:22:33,628 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 17:22:33,647 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 17:22:33,677 WARN L623 FunctionHandler]: Unknown extern function devm_pinctrl_get [2022-12-13 17:22:33,678 WARN L623 FunctionHandler]: Unknown extern function pinctrl_lookup_state [2022-12-13 17:22:33,678 WARN L623 FunctionHandler]: Unknown extern function devm_pinctrl_put [2022-12-13 17:22:33,679 WARN L623 FunctionHandler]: Unknown extern function pinctrl_select_state [2022-12-13 17:22:33,679 WARN L623 FunctionHandler]: Unknown extern function devm_pinctrl_put [2022-12-13 17:22:33,751 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:22:33,792 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 17:22:33,795 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 17:22:33,796 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 17:22:33,801 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 17:22:33,805 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-13 17:22:33,820 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 17:22:33,825 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 17:22:33,826 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 17:22:33,856 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 17:22:33,871 WARN L623 FunctionHandler]: Unknown extern function skb_tstamp_tx [2022-12-13 17:22:33,875 WARN L623 FunctionHandler]: Unknown extern function skb_clone_tx_timestamp [2022-12-13 17:22:33,899 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-13 17:22:33,905 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 17:22:33,906 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 17:22:33,942 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 17:22:33,943 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 17:22:33,950 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 17:22:33,951 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:22:33,975 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-13 17:22:33,979 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 17:22:34,073 WARN L623 FunctionHandler]: Unknown extern function gpio_to_desc [2022-12-13 17:22:34,073 WARN L623 FunctionHandler]: Unknown extern function gpiod_to_irq [2022-12-13 17:22:34,084 WARN L623 FunctionHandler]: Unknown extern function devm_request_threaded_irq [2022-12-13 17:22:34,112 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-13 17:22:34,120 WARN L623 FunctionHandler]: Unknown extern function mdiobus_alloc_size [2022-12-13 17:22:34,215 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 17:22:34,233 WARN L623 FunctionHandler]: Unknown extern function clk_round_rate [2022-12-13 17:22:34,234 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 17:22:34,235 WARN L623 FunctionHandler]: Unknown extern function clk_set_rate [2022-12-13 17:22:34,235 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 17:22:34,239 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:22:34,243 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 17:22:34,243 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 17:22:34,244 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 17:22:34,245 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 17:22:34,249 WARN L623 FunctionHandler]: Unknown extern function phy_find_first [2022-12-13 17:22:34,249 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 17:22:34,250 WARN L623 FunctionHandler]: Unknown extern function devm_gpio_request [2022-12-13 17:22:34,251 WARN L623 FunctionHandler]: Unknown extern function phy_connect_direct [2022-12-13 17:22:34,252 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 17:22:34,257 WARN L623 FunctionHandler]: Unknown extern function phy_find_first [2022-12-13 17:22:34,258 WARN L623 FunctionHandler]: Unknown extern function mdiobus_scan [2022-12-13 17:22:34,260 WARN L623 FunctionHandler]: Unknown extern function mdiobus_register [2022-12-13 17:22:34,260 WARN L623 FunctionHandler]: Unknown extern function mdiobus_unregister [2022-12-13 17:22:34,261 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:22:34,261 WARN L623 FunctionHandler]: Unknown extern function mdiobus_free [2022-12-13 17:22:34,266 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 17:22:34,271 WARN L623 FunctionHandler]: Unknown extern function usecs_to_jiffies [2022-12-13 17:22:34,272 WARN L623 FunctionHandler]: Unknown extern function usleep_range [2022-12-13 17:22:34,276 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 17:22:34,277 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 17:22:34,278 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 17:22:34,291 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 17:22:34,292 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 17:22:34,301 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 17:22:34,302 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 17:22:34,303 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 17:22:34,304 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 17:22:34,304 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-13 17:22:34,310 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 17:22:34,311 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 17:22:34,312 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-13 17:22:34,321 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-13 17:22:34,327 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-13 17:22:34,329 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 17:22:34,333 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-13 17:22:34,334 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-13 17:22:34,334 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-13 17:22:34,338 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:22:34,339 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 17:22:34,340 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 17:22:34,341 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 17:22:34,348 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 17:22:34,350 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 17:22:34,355 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:22:34,362 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:22:34,368 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 17:22:34,374 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 17:22:34,379 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 17:22:34,381 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 17:22:34,399 WARN L623 FunctionHandler]: Unknown extern function clk_get_rate [2022-12-13 17:22:34,403 WARN L623 FunctionHandler]: Unknown extern function clk_get_rate [2022-12-13 17:22:34,443 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 17:22:34,444 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 17:22:34,444 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 17:22:34,445 WARN L623 FunctionHandler]: Unknown extern function phy_start [2022-12-13 17:22:34,449 WARN L623 FunctionHandler]: Unknown extern function phy_stop [2022-12-13 17:22:34,449 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:22:34,449 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 17:22:34,465 WARN L623 FunctionHandler]: Unknown extern function phy_ethtool_gset [2022-12-13 17:22:34,469 WARN L623 FunctionHandler]: Unknown extern function phy_ethtool_sset [2022-12-13 17:22:34,481 WARN L623 FunctionHandler]: Unknown extern function phy_mii_ioctl [2022-12-13 17:22:34,486 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-12-13 17:22:34,487 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:22:34,487 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:22:34,488 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 17:22:34,488 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 17:22:34,489 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 17:22:34,489 WARN L623 FunctionHandler]: Unknown extern function devm_clk_get [2022-12-13 17:22:34,490 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:22:34,490 WARN L623 FunctionHandler]: Unknown extern function devm_clk_get [2022-12-13 17:22:34,491 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:22:34,492 WARN L623 FunctionHandler]: Unknown extern function devm_clk_get [2022-12-13 17:22:34,492 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:22:34,493 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:22:34,493 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:22:34,494 WARN L623 FunctionHandler]: Unknown extern function devm_ioremap [2022-12-13 17:22:34,494 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:22:34,494 WARN L623 FunctionHandler]: Unknown extern function platform_get_irq [2022-12-13 17:22:34,495 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:22:34,495 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-13 17:22:34,499 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:22:34,499 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 17:22:34,500 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 17:22:34,501 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 17:22:34,506 WARN L623 FunctionHandler]: Unknown extern function phy_disconnect [2022-12-13 17:22:34,507 WARN L623 FunctionHandler]: Unknown extern function mdiobus_unregister [2022-12-13 17:22:34,507 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:22:34,507 WARN L623 FunctionHandler]: Unknown extern function mdiobus_free [2022-12-13 17:22:34,512 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 17:22:34,513 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 17:22:34,517 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-13 17:22:34,724 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_ts_info [2022-12-13 17:22:34,725 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 17:22:34,725 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 17:22:34,726 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 17:22:34,726 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-13 17:22:34,727 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 17:22:34,728 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 17:22:34,728 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 17:22:34,729 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 17:22:34,730 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 17:22:34,734 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 17:22:34,741 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-13 17:22:34,747 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 17:22:34,748 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 17:22:34,748 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 17:22:34,749 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 17:22:34,749 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 17:22:34,749 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 17:22:34,749 WARN L623 FunctionHandler]: Unknown extern function platform_driver_probe [2022-12-13 17:22:34,750 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-12-13 17:22:34,774 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 17:22:34,775 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 17:22:34,782 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:22:34,858 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_b01c87df-6d6b-4e2f-8645-69cd56b3209e/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[325844,325857] [2022-12-13 17:22:34,862 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:22:34,862 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:22:34,863 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:22:34,867 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:22:34,868 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:22:34,868 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:22:34,876 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:22:34,876 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:22:34,877 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:22:34,878 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:22:34,878 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:22:34,879 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:22:34,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:22:34,903 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:22:34,977 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 17:22:34,978 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 17:22:34,978 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 17:22:34,978 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 17:22:34,979 WARN L623 FunctionHandler]: Unknown extern function devm_pinctrl_get [2022-12-13 17:22:34,979 WARN L623 FunctionHandler]: Unknown extern function pinctrl_lookup_state [2022-12-13 17:22:34,979 WARN L623 FunctionHandler]: Unknown extern function devm_pinctrl_put [2022-12-13 17:22:34,979 WARN L623 FunctionHandler]: Unknown extern function pinctrl_select_state [2022-12-13 17:22:34,980 WARN L623 FunctionHandler]: Unknown extern function devm_pinctrl_put [2022-12-13 17:22:34,982 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:22:34,984 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 17:22:34,985 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 17:22:34,985 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 17:22:34,986 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 17:22:34,986 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-13 17:22:34,988 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 17:22:34,989 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 17:22:34,989 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 17:22:34,991 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 17:22:34,991 WARN L623 FunctionHandler]: Unknown extern function skb_tstamp_tx [2022-12-13 17:22:34,992 WARN L623 FunctionHandler]: Unknown extern function skb_clone_tx_timestamp [2022-12-13 17:22:34,993 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-13 17:22:34,993 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 17:22:34,993 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 17:22:34,995 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 17:22:34,995 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 17:22:34,996 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 17:22:34,996 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:22:34,997 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-13 17:22:34,997 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 17:22:34,998 WARN L623 FunctionHandler]: Unknown extern function gpio_to_desc [2022-12-13 17:22:34,999 WARN L623 FunctionHandler]: Unknown extern function gpiod_to_irq [2022-12-13 17:22:34,999 WARN L623 FunctionHandler]: Unknown extern function devm_request_threaded_irq [2022-12-13 17:22:35,000 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-13 17:22:35,001 WARN L623 FunctionHandler]: Unknown extern function mdiobus_alloc_size [2022-12-13 17:22:35,008 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 17:22:35,010 WARN L623 FunctionHandler]: Unknown extern function clk_round_rate [2022-12-13 17:22:35,011 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 17:22:35,011 WARN L623 FunctionHandler]: Unknown extern function clk_set_rate [2022-12-13 17:22:35,011 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 17:22:35,012 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:22:35,014 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 17:22:35,014 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 17:22:35,014 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 17:22:35,015 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 17:22:35,015 WARN L623 FunctionHandler]: Unknown extern function phy_find_first [2022-12-13 17:22:35,015 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 17:22:35,016 WARN L623 FunctionHandler]: Unknown extern function devm_gpio_request [2022-12-13 17:22:35,017 WARN L623 FunctionHandler]: Unknown extern function phy_connect_direct [2022-12-13 17:22:35,017 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 17:22:35,021 WARN L623 FunctionHandler]: Unknown extern function phy_find_first [2022-12-13 17:22:35,021 WARN L623 FunctionHandler]: Unknown extern function mdiobus_scan [2022-12-13 17:22:35,023 WARN L623 FunctionHandler]: Unknown extern function mdiobus_register [2022-12-13 17:22:35,023 WARN L623 FunctionHandler]: Unknown extern function mdiobus_unregister [2022-12-13 17:22:35,023 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:22:35,023 WARN L623 FunctionHandler]: Unknown extern function mdiobus_free [2022-12-13 17:22:35,024 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 17:22:35,025 WARN L623 FunctionHandler]: Unknown extern function usecs_to_jiffies [2022-12-13 17:22:35,026 WARN L623 FunctionHandler]: Unknown extern function usleep_range [2022-12-13 17:22:35,026 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 17:22:35,027 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 17:22:35,028 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 17:22:35,030 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 17:22:35,031 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 17:22:35,033 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 17:22:35,034 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 17:22:35,034 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 17:22:35,035 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 17:22:35,035 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-13 17:22:35,036 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 17:22:35,037 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 17:22:35,037 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-13 17:22:35,042 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-13 17:22:35,043 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-13 17:22:35,044 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 17:22:35,045 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-13 17:22:35,045 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-13 17:22:35,045 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-13 17:22:35,046 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:22:35,046 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 17:22:35,047 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 17:22:35,048 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 17:22:35,050 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 17:22:35,051 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 17:22:35,052 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:22:35,053 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:22:35,071 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 17:22:35,072 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 17:22:35,074 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 17:22:35,075 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 17:22:35,079 WARN L623 FunctionHandler]: Unknown extern function clk_get_rate [2022-12-13 17:22:35,080 WARN L623 FunctionHandler]: Unknown extern function clk_get_rate [2022-12-13 17:22:35,089 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 17:22:35,089 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 17:22:35,089 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 17:22:35,092 WARN L623 FunctionHandler]: Unknown extern function phy_start [2022-12-13 17:22:35,092 WARN L623 FunctionHandler]: Unknown extern function phy_stop [2022-12-13 17:22:35,093 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:22:35,093 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 17:22:35,096 WARN L623 FunctionHandler]: Unknown extern function phy_ethtool_gset [2022-12-13 17:22:35,097 WARN L623 FunctionHandler]: Unknown extern function phy_ethtool_sset [2022-12-13 17:22:35,100 WARN L623 FunctionHandler]: Unknown extern function phy_mii_ioctl [2022-12-13 17:22:35,101 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-12-13 17:22:35,101 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:22:35,102 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:22:35,103 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 17:22:35,103 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 17:22:35,103 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 17:22:35,104 WARN L623 FunctionHandler]: Unknown extern function devm_clk_get [2022-12-13 17:22:35,104 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:22:35,104 WARN L623 FunctionHandler]: Unknown extern function devm_clk_get [2022-12-13 17:22:35,105 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:22:35,105 WARN L623 FunctionHandler]: Unknown extern function devm_clk_get [2022-12-13 17:22:35,106 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:22:35,106 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:22:35,106 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:22:35,107 WARN L623 FunctionHandler]: Unknown extern function devm_ioremap [2022-12-13 17:22:35,107 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:22:35,107 WARN L623 FunctionHandler]: Unknown extern function platform_get_irq [2022-12-13 17:22:35,108 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:22:35,108 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-13 17:22:35,124 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:22:35,125 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 17:22:35,125 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 17:22:35,125 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 17:22:35,127 WARN L623 FunctionHandler]: Unknown extern function phy_disconnect [2022-12-13 17:22:35,127 WARN L623 FunctionHandler]: Unknown extern function mdiobus_unregister [2022-12-13 17:22:35,127 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:22:35,127 WARN L623 FunctionHandler]: Unknown extern function mdiobus_free [2022-12-13 17:22:35,128 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 17:22:35,128 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 17:22:35,129 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-13 17:22:35,132 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_ts_info [2022-12-13 17:22:35,132 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 17:22:35,133 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 17:22:35,133 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 17:22:35,133 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-13 17:22:35,134 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 17:22:35,134 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 17:22:35,135 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 17:22:35,136 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 17:22:35,136 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 17:22:35,139 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 17:22:35,162 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-13 17:22:35,167 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 17:22:35,168 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 17:22:35,168 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 17:22:35,168 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 17:22:35,169 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 17:22:35,169 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 17:22:35,169 WARN L623 FunctionHandler]: Unknown extern function platform_driver_probe [2022-12-13 17:22:35,169 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-12-13 17:22:35,171 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 17:22:35,171 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 17:22:35,172 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:22:35,176 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_b01c87df-6d6b-4e2f-8645-69cd56b3209e/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[325844,325857] [2022-12-13 17:22:35,177 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:22:35,179 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:22:35,179 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:22:35,180 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:22:35,180 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:22:35,180 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:22:35,181 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:22:35,181 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:22:35,182 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:22:35,182 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:22:35,183 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:22:35,183 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 17:22:35,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:22:35,293 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:22:35,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:22:35 WrapperNode [2022-12-13 17:22:35,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:22:35,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:22:35,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:22:35,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:22:35,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:22:35" (1/1) ... [2022-12-13 17:22:35,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:22:35" (1/1) ... [2022-12-13 17:22:35,470 INFO L138 Inliner]: procedures = 414, calls = 2190, calls flagged for inlining = 245, calls inlined = 230, statements flattened = 5710 [2022-12-13 17:22:35,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:22:35,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:22:35,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:22:35,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:22:35,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:22:35" (1/1) ... [2022-12-13 17:22:35,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:22:35" (1/1) ... [2022-12-13 17:22:35,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:22:35" (1/1) ... [2022-12-13 17:22:35,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:22:35" (1/1) ... [2022-12-13 17:22:35,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:22:35" (1/1) ... [2022-12-13 17:22:35,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:22:35" (1/1) ... [2022-12-13 17:22:35,583 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:22:35" (1/1) ... [2022-12-13 17:22:35,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:22:35" (1/1) ... [2022-12-13 17:22:35,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:22:35,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:22:35,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:22:35,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:22:35,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:22:35" (1/1) ... [2022-12-13 17:22:35,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:22:35,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:22:35,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:22:35,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:22:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 17:22:35,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 17:22:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-12-13 17:22:35,691 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-12-13 17:22:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-13 17:22:35,691 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-13 17:22:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 17:22:35,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 17:22:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2022-12-13 17:22:35,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2022-12-13 17:22:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-12-13 17:22:35,692 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-12-13 17:22:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-13 17:22:35,692 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-13 17:22:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-13 17:22:35,692 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-13 17:22:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2022-12-13 17:22:35,692 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2022-12-13 17:22:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_regs_len [2022-12-13 17:22:35,692 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_regs_len [2022-12-13 17:22:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 17:22:35,692 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 17:22:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure macb_probe [2022-12-13 17:22:35,692 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_probe [2022-12-13 17:22:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-13 17:22:35,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-13 17:22:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-12-13 17:22:35,693 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-12-13 17:22:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-13 17:22:35,693 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-13 17:22:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 17:22:35,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 17:22:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-12-13 17:22:35,693 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-12-13 17:22:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 17:22:35,693 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 17:22:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 17:22:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure macb_remove [2022-12-13 17:22:35,694 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_remove [2022-12-13 17:22:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 17:22:35,694 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 17:22:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-12-13 17:22:35,694 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-12-13 17:22:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-13 17:22:35,694 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-13 17:22:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 17:22:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2022-12-13 17:22:35,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2022-12-13 17:22:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-13 17:22:35,694 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-13 17:22:35,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-12-13 17:22:35,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-12-13 17:22:35,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 17:22:35,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-13 17:22:35,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-13 17:22:35,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 17:22:35,695 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-13 17:22:35,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-13 17:22:35,695 INFO L130 BoogieDeclarations]: Found specification of procedure macb_free_consistent [2022-12-13 17:22:35,695 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_free_consistent [2022-12-13 17:22:35,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 17:22:35,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 17:22:35,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-12-13 17:22:35,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-12-13 17:22:35,696 INFO L130 BoogieDeclarations]: Found specification of procedure macb_open [2022-12-13 17:22:35,696 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_open [2022-12-13 17:22:35,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-13 17:22:35,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-13 17:22:35,696 INFO L130 BoogieDeclarations]: Found specification of procedure macb_alloc_consistent [2022-12-13 17:22:35,696 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_alloc_consistent [2022-12-13 17:22:35,696 INFO L130 BoogieDeclarations]: Found specification of procedure macb_resume [2022-12-13 17:22:35,696 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_resume [2022-12-13 17:22:35,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 17:22:35,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-12-13 17:22:35,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-12-13 17:22:35,696 INFO L130 BoogieDeclarations]: Found specification of procedure macb_is_gem [2022-12-13 17:22:35,696 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_is_gem [2022-12-13 17:22:35,697 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-12-13 17:22:35,697 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-12-13 17:22:35,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:22:35,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 17:22:35,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 17:22:35,697 INFO L130 BoogieDeclarations]: Found specification of procedure macb_rx_ring_wrap [2022-12-13 17:22:35,697 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_rx_ring_wrap [2022-12-13 17:22:35,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 17:22:35,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 17:22:35,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 17:22:35,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-13 17:22:35,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-13 17:22:35,697 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-12-13 17:22:35,698 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-12-13 17:22:35,698 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-13 17:22:35,698 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-13 17:22:35,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-13 17:22:35,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-13 17:22:35,698 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-13 17:22:35,698 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-13 17:22:35,698 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2022-12-13 17:22:35,698 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2022-12-13 17:22:35,698 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-12-13 17:22:35,698 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-12-13 17:22:35,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:22:35,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:22:35,698 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-13 17:22:35,699 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-13 17:22:35,699 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-12-13 17:22:35,699 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-12-13 17:22:35,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 17:22:35,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 17:22:35,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 17:22:35,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 17:22:35,699 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-12-13 17:22:35,699 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-12-13 17:22:35,699 INFO L130 BoogieDeclarations]: Found specification of procedure phy_find_first [2022-12-13 17:22:35,699 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_find_first [2022-12-13 17:22:35,699 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-13 17:22:35,699 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-13 17:22:35,699 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_ring_wrap [2022-12-13 17:22:35,700 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_ring_wrap [2022-12-13 17:22:35,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_17 [2022-12-13 17:22:35,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_17 [2022-12-13 17:22:35,700 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2022-12-13 17:22:35,700 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2022-12-13 17:22:35,700 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-13 17:22:35,700 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-13 17:22:35,700 INFO L130 BoogieDeclarations]: Found specification of procedure macb_handle_link_change [2022-12-13 17:22:35,700 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_handle_link_change [2022-12-13 17:22:35,700 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2022-12-13 17:22:35,700 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2022-12-13 17:22:35,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_14 [2022-12-13 17:22:35,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_14 [2022-12-13 17:22:35,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_16 [2022-12-13 17:22:35,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_16 [2022-12-13 17:22:35,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_15 [2022-12-13 17:22:35,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_15 [2022-12-13 17:22:35,701 INFO L130 BoogieDeclarations]: Found specification of procedure macb_close [2022-12-13 17:22:35,701 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_close [2022-12-13 17:22:35,701 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mdc_clk_div [2022-12-13 17:22:35,701 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mdc_clk_div [2022-12-13 17:22:35,701 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-12-13 17:22:35,701 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-12-13 17:22:35,701 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-13 17:22:35,701 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-13 17:22:35,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_19 [2022-12-13 17:22:35,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_19 [2022-12-13 17:22:35,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 17:22:35,702 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-12-13 17:22:35,702 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-12-13 17:22:35,702 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-12-13 17:22:35,702 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-12-13 17:22:35,702 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-13 17:22:35,702 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-13 17:22:35,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2022-12-13 17:22:35,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2022-12-13 17:22:35,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 17:22:35,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_20 [2022-12-13 17:22:35,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_20 [2022-12-13 17:22:35,702 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2022-12-13 17:22:35,702 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2022-12-13 17:22:35,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 17:22:35,703 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2022-12-13 17:22:35,703 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2022-12-13 17:22:35,703 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_desc [2022-12-13 17:22:35,703 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_desc [2022-12-13 17:22:35,703 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-12-13 17:22:35,703 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-12-13 17:22:35,703 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-13 17:22:35,703 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-13 17:22:35,703 INFO L130 BoogieDeclarations]: Found specification of procedure macb_reset_hw [2022-12-13 17:22:35,703 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_reset_hw [2022-12-13 17:22:35,703 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-13 17:22:35,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-13 17:22:35,703 INFO L130 BoogieDeclarations]: Found specification of procedure macb_suspend [2022-12-13 17:22:35,703 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_suspend [2022-12-13 17:22:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2022-12-13 17:22:35,704 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2022-12-13 17:22:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-13 17:22:35,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-13 17:22:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure macb_dbw [2022-12-13 17:22:35,704 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_dbw [2022-12-13 17:22:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 17:22:35,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 17:22:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-12-13 17:22:35,704 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-12-13 17:22:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-13 17:22:35,704 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-13 17:22:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-13 17:22:35,704 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-13 17:22:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure devm_pinctrl_put [2022-12-13 17:22:35,705 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_pinctrl_put [2022-12-13 17:22:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-13 17:22:35,705 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-13 17:22:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 17:22:35,705 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 17:22:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 17:22:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 17:22:35,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 17:22:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure gem_rx_refill [2022-12-13 17:22:35,705 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_rx_refill [2022-12-13 17:22:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-12-13 17:22:35,705 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-12-13 17:22:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_dma [2022-12-13 17:22:35,706 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_dma [2022-12-13 17:22:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_skb [2022-12-13 17:22:35,706 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_skb [2022-12-13 17:22:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure macb_interrupt [2022-12-13 17:22:35,706 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_interrupt [2022-12-13 17:22:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-13 17:22:35,706 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-13 17:22:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-12-13 17:22:35,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-12-13 17:22:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-13 17:22:35,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-13 17:22:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-12-13 17:22:35,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-12-13 17:22:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-12-13 17:22:35,706 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-12-13 17:22:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 17:22:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-13 17:22:35,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-13 17:22:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-12-13 17:22:35,707 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-12-13 17:22:36,308 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:22:36,311 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:22:36,395 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 17:22:42,434 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:22:42,446 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:22:42,446 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 17:22:42,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:22:42 BoogieIcfgContainer [2022-12-13 17:22:42,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:22:42,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:22:42,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:22:42,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:22:42,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:22:32" (1/3) ... [2022-12-13 17:22:42,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a638423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:22:42, skipping insertion in model container [2022-12-13 17:22:42,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:22:35" (2/3) ... [2022-12-13 17:22:42,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a638423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:22:42, skipping insertion in model container [2022-12-13 17:22:42,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:22:42" (3/3) ... [2022-12-13 17:22:42,455 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-12-13 17:22:42,469 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:22:42,469 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 17:22:42,527 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:22:42,532 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;@40cb23b9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:22:42,532 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 17:22:42,540 INFO L276 IsEmpty]: Start isEmpty. Operand has 1902 states, 1318 states have (on average 1.2511380880121397) internal successors, (1649), 1345 states have internal predecessors, (1649), 480 states have call successors, (480), 103 states have call predecessors, (480), 102 states have return successors, (474), 469 states have call predecessors, (474), 474 states have call successors, (474) [2022-12-13 17:22:42,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-13 17:22:42,546 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:22:42,547 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-12-13 17:22:42,547 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:22:42,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:22:42,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1377079052, now seen corresponding path program 1 times [2022-12-13 17:22:42,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:22:42,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310645860] [2022-12-13 17:22:42,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:22:42,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:22:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:43,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 17:22:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:43,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 17:22:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:43,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 17:22:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:43,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:43,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 17:22:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:43,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 17:22:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:43,225 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 17:22:43,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:22:43,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310645860] [2022-12-13 17:22:43,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310645860] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:22:43,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:22:43,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 17:22:43,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827778344] [2022-12-13 17:22:43,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:22:43,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 17:22:43,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:22:43,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:22:43,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:22:43,257 INFO L87 Difference]: Start difference. First operand has 1902 states, 1318 states have (on average 1.2511380880121397) internal successors, (1649), 1345 states have internal predecessors, (1649), 480 states have call successors, (480), 103 states have call predecessors, (480), 102 states have return successors, (474), 469 states have call predecessors, (474), 474 states have call successors, (474) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 17:22:43,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:22:43,552 INFO L93 Difference]: Finished difference Result 3783 states and 5237 transitions. [2022-12-13 17:22:43,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 17:22:43,554 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2022-12-13 17:22:43,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:22:43,574 INFO L225 Difference]: With dead ends: 3783 [2022-12-13 17:22:43,574 INFO L226 Difference]: Without dead ends: 1892 [2022-12-13 17:22:43,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:22:43,586 INFO L413 NwaCegarLoop]: 2587 mSDtfsCounter, 2574 mSDsluCounter, 5169 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2578 SdHoareTripleChecker+Valid, 7756 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:22:43,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2578 Valid, 7756 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:22:43,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1892 states. [2022-12-13 17:22:43,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1892 to 1892. [2022-12-13 17:22:43,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1892 states, 1315 states have (on average 1.2403041825095058) internal successors, (1631), 1338 states have internal predecessors, (1631), 474 states have call successors, (474), 103 states have call predecessors, (474), 102 states have return successors, (471), 466 states have call predecessors, (471), 471 states have call successors, (471) [2022-12-13 17:22:43,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1892 states and 2576 transitions. [2022-12-13 17:22:43,705 INFO L78 Accepts]: Start accepts. Automaton has 1892 states and 2576 transitions. Word has length 48 [2022-12-13 17:22:43,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:22:43,705 INFO L495 AbstractCegarLoop]: Abstraction has 1892 states and 2576 transitions. [2022-12-13 17:22:43,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 17:22:43,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 2576 transitions. [2022-12-13 17:22:43,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-13 17:22:43,707 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:22:43,708 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-12-13 17:22:43,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 17:22:43,708 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:22:43,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:22:43,708 INFO L85 PathProgramCache]: Analyzing trace with hash -468534672, now seen corresponding path program 1 times [2022-12-13 17:22:43,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:22:43,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233964286] [2022-12-13 17:22:43,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:22:43,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:22:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:43,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 17:22:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:44,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 17:22:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:44,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 17:22:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:44,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:44,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 17:22:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:44,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 17:22:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:44,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 17:22:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:44,071 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 17:22:44,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:22:44,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233964286] [2022-12-13 17:22:44,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233964286] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:22:44,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:22:44,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 17:22:44,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915521661] [2022-12-13 17:22:44,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:22:44,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 17:22:44,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:22:44,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:22:44,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:22:44,074 INFO L87 Difference]: Start difference. First operand 1892 states and 2576 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-13 17:22:44,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:22:44,270 INFO L93 Difference]: Finished difference Result 3730 states and 5121 transitions. [2022-12-13 17:22:44,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 17:22:44,271 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2022-12-13 17:22:44,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:22:44,289 INFO L225 Difference]: With dead ends: 3730 [2022-12-13 17:22:44,290 INFO L226 Difference]: Without dead ends: 3728 [2022-12-13 17:22:44,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:22:44,293 INFO L413 NwaCegarLoop]: 3511 mSDtfsCounter, 2580 mSDsluCounter, 9518 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2582 SdHoareTripleChecker+Valid, 13029 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:22:44,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2582 Valid, 13029 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:22:44,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3728 states. [2022-12-13 17:22:44,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3728 to 3703. [2022-12-13 17:22:44,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3703 states, 2577 states have (on average 1.239813736903376) internal successors, (3195), 2622 states have internal predecessors, (3195), 923 states have call successors, (923), 205 states have call predecessors, (923), 202 states have return successors, (969), 906 states have call predecessors, (969), 917 states have call successors, (969) [2022-12-13 17:22:44,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3703 states to 3703 states and 5087 transitions. [2022-12-13 17:22:44,491 INFO L78 Accepts]: Start accepts. Automaton has 3703 states and 5087 transitions. Word has length 53 [2022-12-13 17:22:44,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:22:44,492 INFO L495 AbstractCegarLoop]: Abstraction has 3703 states and 5087 transitions. [2022-12-13 17:22:44,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-13 17:22:44,492 INFO L276 IsEmpty]: Start isEmpty. Operand 3703 states and 5087 transitions. [2022-12-13 17:22:44,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-13 17:22:44,494 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:22:44,494 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:22:44,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 17:22:44,494 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:22:44,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:22:44,495 INFO L85 PathProgramCache]: Analyzing trace with hash -741927372, now seen corresponding path program 1 times [2022-12-13 17:22:44,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:22:44,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599913673] [2022-12-13 17:22:44,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:22:44,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:22:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:44,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 17:22:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:44,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 17:22:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:44,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 17:22:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:44,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:44,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 17:22:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:44,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 17:22:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:44,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 17:22:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:44,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-12-13 17:22:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:44,888 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-13 17:22:44,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:22:44,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599913673] [2022-12-13 17:22:44,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599913673] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:22:44,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:22:44,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 17:22:44,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926166708] [2022-12-13 17:22:44,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:22:44,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 17:22:44,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:22:44,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:22:44,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:22:44,890 INFO L87 Difference]: Start difference. First operand 3703 states and 5087 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 17:22:45,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:22:45,160 INFO L93 Difference]: Finished difference Result 7356 states and 10236 transitions. [2022-12-13 17:22:45,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 17:22:45,160 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2022-12-13 17:22:45,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:22:45,199 INFO L225 Difference]: With dead ends: 7356 [2022-12-13 17:22:45,199 INFO L226 Difference]: Without dead ends: 7352 [2022-12-13 17:22:45,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:22:45,204 INFO L413 NwaCegarLoop]: 3094 mSDtfsCounter, 2580 mSDsluCounter, 8690 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2581 SdHoareTripleChecker+Valid, 11784 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:22:45,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2581 Valid, 11784 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:22:45,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7352 states. [2022-12-13 17:22:45,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7352 to 7313. [2022-12-13 17:22:45,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7313 states, 5093 states have (on average 1.2397408207343412) internal successors, (6314), 5181 states have internal predecessors, (6314), 1819 states have call successors, (1819), 408 states have call predecessors, (1819), 400 states have return successors, (2049), 1784 states have call predecessors, (2049), 1807 states have call successors, (2049) [2022-12-13 17:22:45,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7313 states to 7313 states and 10182 transitions. [2022-12-13 17:22:45,586 INFO L78 Accepts]: Start accepts. Automaton has 7313 states and 10182 transitions. Word has length 58 [2022-12-13 17:22:45,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:22:45,586 INFO L495 AbstractCegarLoop]: Abstraction has 7313 states and 10182 transitions. [2022-12-13 17:22:45,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 17:22:45,586 INFO L276 IsEmpty]: Start isEmpty. Operand 7313 states and 10182 transitions. [2022-12-13 17:22:45,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-12-13 17:22:45,587 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:22:45,587 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 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] [2022-12-13 17:22:45,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 17:22:45,588 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:22:45,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:22:45,588 INFO L85 PathProgramCache]: Analyzing trace with hash 954685168, now seen corresponding path program 1 times [2022-12-13 17:22:45,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:22:45,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820329336] [2022-12-13 17:22:45,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:22:45,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:22:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:45,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 17:22:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:45,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 17:22:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:45,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 17:22:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:45,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:45,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 17:22:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:45,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 17:22:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:45,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 17:22:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:45,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 17:22:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:45,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 17:22:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:45,890 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-13 17:22:45,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:22:45,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820329336] [2022-12-13 17:22:45,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820329336] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:22:45,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:22:45,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 17:22:45,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248822054] [2022-12-13 17:22:45,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:22:45,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 17:22:45,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:22:45,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:22:45,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:22:45,892 INFO L87 Difference]: Start difference. First operand 7313 states and 10182 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 17:22:46,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:22:46,309 INFO L93 Difference]: Finished difference Result 14617 states and 20787 transitions. [2022-12-13 17:22:46,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 17:22:46,309 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 70 [2022-12-13 17:22:46,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:22:46,417 INFO L225 Difference]: With dead ends: 14617 [2022-12-13 17:22:46,417 INFO L226 Difference]: Without dead ends: 14547 [2022-12-13 17:22:46,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:22:46,427 INFO L413 NwaCegarLoop]: 3176 mSDtfsCounter, 2579 mSDsluCounter, 8909 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2579 SdHoareTripleChecker+Valid, 12085 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:22:46,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2579 Valid, 12085 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:22:46,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14547 states. [2022-12-13 17:22:47,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14547 to 14537. [2022-12-13 17:22:47,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14537 states, 10130 states have (on average 1.240375123395854) internal successors, (12565), 10304 states have internal predecessors, (12565), 3613 states have call successors, (3613), 807 states have call predecessors, (3613), 793 states have return successors, (4516), 3546 states have call predecessors, (4516), 3592 states have call successors, (4516) [2022-12-13 17:22:47,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14537 states to 14537 states and 20694 transitions. [2022-12-13 17:22:47,199 INFO L78 Accepts]: Start accepts. Automaton has 14537 states and 20694 transitions. Word has length 70 [2022-12-13 17:22:47,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:22:47,200 INFO L495 AbstractCegarLoop]: Abstraction has 14537 states and 20694 transitions. [2022-12-13 17:22:47,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 17:22:47,200 INFO L276 IsEmpty]: Start isEmpty. Operand 14537 states and 20694 transitions. [2022-12-13 17:22:47,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-12-13 17:22:47,240 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:22:47,240 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 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, 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] [2022-12-13 17:22:47,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 17:22:47,241 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:22:47,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:22:47,241 INFO L85 PathProgramCache]: Analyzing trace with hash 699267451, now seen corresponding path program 1 times [2022-12-13 17:22:47,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:22:47,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768910828] [2022-12-13 17:22:47,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:22:47,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:22:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 17:22:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 17:22:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 17:22:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:22:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:22:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 17:22:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:22:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:22:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 17:22:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 17:22:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-12-13 17:22:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 17:22:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 17:22:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 17:22:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 17:22:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:22:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:22:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 17:22:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 17:22:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 17:22:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 17:22:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 17:22:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 17:22:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 17:22:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 17:22:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-12-13 17:22:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 17:22:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-12-13 17:22:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-12-13 17:22:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 17:22:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 17:22:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-12-13 17:22:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-12-13 17:22:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:49,892 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 5 proven. 41 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2022-12-13 17:22:49,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:22:49,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768910828] [2022-12-13 17:22:49,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768910828] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:22:49,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174067497] [2022-12-13 17:22:49,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:22:49,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:22:49,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:22:49,894 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:22:49,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 17:22:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:50,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 2921 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-13 17:22:50,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:22:50,887 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-12-13 17:22:50,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:22:50,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174067497] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:22:50,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:22:50,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [15] total 25 [2022-12-13 17:22:50,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90292432] [2022-12-13 17:22:50,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:22:50,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 17:22:50,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:22:50,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 17:22:50,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=544, Unknown=0, NotChecked=0, Total=600 [2022-12-13 17:22:50,891 INFO L87 Difference]: Start difference. First operand 14537 states and 20694 transitions. Second operand has 14 states, 13 states have (on average 11.307692307692308) internal successors, (147), 12 states have internal predecessors, (147), 6 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 7 states have call predecessors, (40), 6 states have call successors, (40) [2022-12-13 17:22:52,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:22:52,103 INFO L93 Difference]: Finished difference Result 29469 states and 41997 transitions. [2022-12-13 17:22:52,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-13 17:22:52,104 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.307692307692308) internal successors, (147), 12 states have internal predecessors, (147), 6 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 7 states have call predecessors, (40), 6 states have call successors, (40) Word has length 301 [2022-12-13 17:22:52,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:22:52,188 INFO L225 Difference]: With dead ends: 29469 [2022-12-13 17:22:52,188 INFO L226 Difference]: Without dead ends: 14939 [2022-12-13 17:22:52,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=956, Unknown=0, NotChecked=0, Total=1056 [2022-12-13 17:22:52,252 INFO L413 NwaCegarLoop]: 2594 mSDtfsCounter, 177 mSDsluCounter, 30808 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 33402 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 17:22:52,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 33402 Invalid, 600 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [46 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 17:22:52,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14939 states. [2022-12-13 17:22:52,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14939 to 14667. [2022-12-13 17:22:52,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14667 states, 10219 states have (on average 1.2384773461199725) internal successors, (12656), 10399 states have internal predecessors, (12656), 3646 states have call successors, (3646), 807 states have call predecessors, (3646), 801 states have return successors, (4593), 3581 states have call predecessors, (4593), 3625 states have call successors, (4593) [2022-12-13 17:22:52,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14667 states to 14667 states and 20895 transitions. [2022-12-13 17:22:52,873 INFO L78 Accepts]: Start accepts. Automaton has 14667 states and 20895 transitions. Word has length 301 [2022-12-13 17:22:52,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:22:52,873 INFO L495 AbstractCegarLoop]: Abstraction has 14667 states and 20895 transitions. [2022-12-13 17:22:52,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.307692307692308) internal successors, (147), 12 states have internal predecessors, (147), 6 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 7 states have call predecessors, (40), 6 states have call successors, (40) [2022-12-13 17:22:52,874 INFO L276 IsEmpty]: Start isEmpty. Operand 14667 states and 20895 transitions. [2022-12-13 17:22:52,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2022-12-13 17:22:52,884 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:22:52,885 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 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, 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] [2022-12-13 17:22:52,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 17:22:53,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:22:53,087 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:22:53,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:22:53,088 INFO L85 PathProgramCache]: Analyzing trace with hash 94184785, now seen corresponding path program 1 times [2022-12-13 17:22:53,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:22:53,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616275075] [2022-12-13 17:22:53,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:22:53,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:22:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:53,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 17:22:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:53,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 17:22:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:53,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 17:22:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:53,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:53,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:22:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:53,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:22:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:53,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 17:22:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:53,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:53,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:22:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:53,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:22:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:53,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 17:22:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:53,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 17:22:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:22:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 17:22:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:54,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 17:22:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 17:22:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 17:22:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 17:22:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 17:22:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-12-13 17:22:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 17:22:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:22:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 17:22:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 17:22:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 17:22:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-12-13 17:22:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 17:22:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 17:22:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 17:22:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-12-13 17:22:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-12-13 17:22:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-12-13 17:22:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-12-13 17:22:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:22:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-12-13 17:22:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-12-13 17:22:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-12-13 17:22:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-12-13 17:22:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:54,418 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2022-12-13 17:22:54,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:22:54,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616275075] [2022-12-13 17:22:54,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616275075] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:22:54,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890038930] [2022-12-13 17:22:54,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:22:54,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:22:54,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:22:54,420 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:22:54,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 17:22:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:22:55,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 3224 conjuncts, 50 conjunts are in the unsatisfiable core [2022-12-13 17:22:55,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:22:55,420 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 25 proven. 21 refuted. 0 times theorem prover too weak. 539 trivial. 0 not checked. [2022-12-13 17:22:55,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 17:22:55,823 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 29 proven. 21 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2022-12-13 17:22:55,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890038930] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 17:22:55,823 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 17:22:55,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15, 15] total 26 [2022-12-13 17:22:55,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417017553] [2022-12-13 17:22:55,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 17:22:55,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-12-13 17:22:55,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:22:55,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-12-13 17:22:55,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-12-13 17:22:55,826 INFO L87 Difference]: Start difference. First operand 14667 states and 20895 transitions. Second operand has 26 states, 25 states have (on average 8.0) internal successors, (200), 20 states have internal predecessors, (200), 7 states have call successors, (76), 6 states have call predecessors, (76), 6 states have return successors, (74), 8 states have call predecessors, (74), 7 states have call successors, (74) [2022-12-13 17:23:14,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:23:19,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:23:19,934 INFO L93 Difference]: Finished difference Result 34312 states and 51314 transitions. [2022-12-13 17:23:19,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 17:23:19,935 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 8.0) internal successors, (200), 20 states have internal predecessors, (200), 7 states have call successors, (76), 6 states have call predecessors, (76), 6 states have return successors, (74), 8 states have call predecessors, (74), 7 states have call successors, (74) Word has length 333 [2022-12-13 17:23:19,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:23:20,036 INFO L225 Difference]: With dead ends: 34312 [2022-12-13 17:23:20,036 INFO L226 Difference]: Without dead ends: 19653 [2022-12-13 17:23:20,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 799 GetRequests, 758 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=207, Invalid=1599, Unknown=0, NotChecked=0, Total=1806 [2022-12-13 17:23:20,089 INFO L413 NwaCegarLoop]: 1176 mSDtfsCounter, 2291 mSDsluCounter, 20602 mSDsCounter, 0 mSdLazyCounter, 38573 mSolverCounterSat, 733 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2770 SdHoareTripleChecker+Valid, 21778 SdHoareTripleChecker+Invalid, 39307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 733 IncrementalHoareTripleChecker+Valid, 38573 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2022-12-13 17:23:20,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2770 Valid, 21778 Invalid, 39307 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [733 Valid, 38573 Invalid, 1 Unknown, 0 Unchecked, 22.3s Time] [2022-12-13 17:23:20,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19653 states. [2022-12-13 17:23:20,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19653 to 18112. [2022-12-13 17:23:20,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18112 states, 12643 states have (on average 1.2372854544016452) internal successors, (15643), 12885 states have internal predecessors, (15643), 4522 states have call successors, (4522), 807 states have call predecessors, (4522), 946 states have return successors, (6353), 4588 states have call predecessors, (6353), 4508 states have call successors, (6353) [2022-12-13 17:23:21,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18112 states to 18112 states and 26518 transitions. [2022-12-13 17:23:21,019 INFO L78 Accepts]: Start accepts. Automaton has 18112 states and 26518 transitions. Word has length 333 [2022-12-13 17:23:21,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:23:21,020 INFO L495 AbstractCegarLoop]: Abstraction has 18112 states and 26518 transitions. [2022-12-13 17:23:21,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 8.0) internal successors, (200), 20 states have internal predecessors, (200), 7 states have call successors, (76), 6 states have call predecessors, (76), 6 states have return successors, (74), 8 states have call predecessors, (74), 7 states have call successors, (74) [2022-12-13 17:23:21,020 INFO L276 IsEmpty]: Start isEmpty. Operand 18112 states and 26518 transitions. [2022-12-13 17:23:21,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-12-13 17:23:21,028 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:23:21,028 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 11, 11, 11, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 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, 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] [2022-12-13 17:23:21,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 17:23:21,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-13 17:23:21,229 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:23:21,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:23:21,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1059092645, now seen corresponding path program 1 times [2022-12-13 17:23:21,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:23:21,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371523374] [2022-12-13 17:23:21,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:23:21,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:23:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:21,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 17:23:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:21,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 17:23:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:21,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 17:23:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:21,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:21,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:23:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:21,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:23:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:21,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 17:23:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:21,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:21,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:23:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:21,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:23:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:21,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 17:23:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:21,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 17:23:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:23:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:23:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:23:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 17:23:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 17:23:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 17:23:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 17:23:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 17:23:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 17:23:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 17:23:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 17:23:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 17:23:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 17:23:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 17:23:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 17:23:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 17:23:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 17:23:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 17:23:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-12-13 17:23:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-12-13 17:23:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-12-13 17:23:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-12-13 17:23:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-12-13 17:23:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-12-13 17:23:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-12-13 17:23:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-12-13 17:23:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-12-13 17:23:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-12-13 17:23:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,431 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2022-12-13 17:23:22,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:23:22,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371523374] [2022-12-13 17:23:22,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371523374] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:23:22,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:23:22,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 17:23:22,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188390512] [2022-12-13 17:23:22,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:23:22,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 17:23:22,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:23:22,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 17:23:22,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 17:23:22,433 INFO L87 Difference]: Start difference. First operand 18112 states and 26518 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (46), 6 states have call predecessors, (46), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-12-13 17:23:30,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:23:30,303 INFO L93 Difference]: Finished difference Result 37760 states and 57301 transitions. [2022-12-13 17:23:30,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 17:23:30,304 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (46), 6 states have call predecessors, (46), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 356 [2022-12-13 17:23:30,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:23:30,371 INFO L225 Difference]: With dead ends: 37760 [2022-12-13 17:23:30,371 INFO L226 Difference]: Without dead ends: 19663 [2022-12-13 17:23:30,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-12-13 17:23:30,436 INFO L413 NwaCegarLoop]: 1192 mSDtfsCounter, 4503 mSDsluCounter, 4308 mSDsCounter, 0 mSdLazyCounter, 8603 mSolverCounterSat, 3057 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4907 SdHoareTripleChecker+Valid, 5500 SdHoareTripleChecker+Invalid, 11660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3057 IncrementalHoareTripleChecker+Valid, 8603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-12-13 17:23:30,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4907 Valid, 5500 Invalid, 11660 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3057 Valid, 8603 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-12-13 17:23:30,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19663 states. [2022-12-13 17:23:31,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19663 to 18136. [2022-12-13 17:23:31,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18136 states, 12667 states have (on average 1.2368358727401911) internal successors, (15667), 12909 states have internal predecessors, (15667), 4522 states have call successors, (4522), 807 states have call predecessors, (4522), 946 states have return successors, (6353), 4588 states have call predecessors, (6353), 4508 states have call successors, (6353) [2022-12-13 17:23:31,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18136 states to 18136 states and 26542 transitions. [2022-12-13 17:23:31,307 INFO L78 Accepts]: Start accepts. Automaton has 18136 states and 26542 transitions. Word has length 356 [2022-12-13 17:23:31,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:23:31,308 INFO L495 AbstractCegarLoop]: Abstraction has 18136 states and 26542 transitions. [2022-12-13 17:23:31,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (46), 6 states have call predecessors, (46), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-12-13 17:23:31,308 INFO L276 IsEmpty]: Start isEmpty. Operand 18136 states and 26542 transitions. [2022-12-13 17:23:31,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2022-12-13 17:23:31,318 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:23:31,318 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 8, 8, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 17:23:31,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 17:23:31,318 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:23:31,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:23:31,318 INFO L85 PathProgramCache]: Analyzing trace with hash 685901173, now seen corresponding path program 1 times [2022-12-13 17:23:31,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:23:31,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077805299] [2022-12-13 17:23:31,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:23:31,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:23:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:31,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 17:23:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:31,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 17:23:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:31,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 17:23:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:31,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:31,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:31,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:23:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:31,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:23:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:31,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 17:23:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:31,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:31,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:23:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:31,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:23:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:31,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 17:23:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:31,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 17:23:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:23:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:23:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:23:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 17:23:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 17:23:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 17:23:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 17:23:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 17:23:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:23:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:23:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:23:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 17:23:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:23:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 17:23:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 17:23:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 17:23:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-12-13 17:23:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 17:23:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 17:23:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:32,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 17:23:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-12-13 17:23:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-12-13 17:23:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-12-13 17:23:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-12-13 17:23:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-12-13 17:23:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 17:23:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-12-13 17:23:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-12-13 17:23:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-12-13 17:23:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-12-13 17:23:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-12-13 17:23:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:32,450 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2022-12-13 17:23:32,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:23:32,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077805299] [2022-12-13 17:23:32,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077805299] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:23:32,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:23:32,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 17:23:32,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099812641] [2022-12-13 17:23:32,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:23:32,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 17:23:32,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:23:32,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 17:23:32,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-12-13 17:23:32,453 INFO L87 Difference]: Start difference. First operand 18136 states and 26542 transitions. Second operand has 11 states, 11 states have (on average 11.545454545454545) internal successors, (127), 6 states have internal predecessors, (127), 2 states have call successors, (47), 6 states have call predecessors, (47), 3 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) [2022-12-13 17:23:41,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:23:41,583 INFO L93 Difference]: Finished difference Result 37764 states and 56662 transitions. [2022-12-13 17:23:41,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 17:23:41,584 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.545454545454545) internal successors, (127), 6 states have internal predecessors, (127), 2 states have call successors, (47), 6 states have call predecessors, (47), 3 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) Word has length 377 [2022-12-13 17:23:41,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:23:41,650 INFO L225 Difference]: With dead ends: 37764 [2022-12-13 17:23:41,650 INFO L226 Difference]: Without dead ends: 19643 [2022-12-13 17:23:41,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2022-12-13 17:23:41,707 INFO L413 NwaCegarLoop]: 1199 mSDtfsCounter, 3763 mSDsluCounter, 6323 mSDsCounter, 0 mSdLazyCounter, 12408 mSolverCounterSat, 2362 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4168 SdHoareTripleChecker+Valid, 7522 SdHoareTripleChecker+Invalid, 14770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2362 IncrementalHoareTripleChecker+Valid, 12408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:23:41,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4168 Valid, 7522 Invalid, 14770 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2362 Valid, 12408 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2022-12-13 17:23:41,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19643 states. [2022-12-13 17:23:42,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19643 to 18130. [2022-12-13 17:23:42,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18130 states, 12662 states have (on average 1.2366134891802243) internal successors, (15658), 12911 states have internal predecessors, (15658), 4514 states have call successors, (4514), 807 states have call predecessors, (4514), 953 states have return successors, (6365), 4580 states have call predecessors, (6365), 4500 states have call successors, (6365) [2022-12-13 17:23:42,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18130 states to 18130 states and 26537 transitions. [2022-12-13 17:23:42,552 INFO L78 Accepts]: Start accepts. Automaton has 18130 states and 26537 transitions. Word has length 377 [2022-12-13 17:23:42,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:23:42,552 INFO L495 AbstractCegarLoop]: Abstraction has 18130 states and 26537 transitions. [2022-12-13 17:23:42,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.545454545454545) internal successors, (127), 6 states have internal predecessors, (127), 2 states have call successors, (47), 6 states have call predecessors, (47), 3 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) [2022-12-13 17:23:42,553 INFO L276 IsEmpty]: Start isEmpty. Operand 18130 states and 26537 transitions. [2022-12-13 17:23:42,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2022-12-13 17:23:42,561 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:23:42,561 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 8, 8, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 17:23:42,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 17:23:42,562 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:23:42,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:23:42,562 INFO L85 PathProgramCache]: Analyzing trace with hash -480197432, now seen corresponding path program 1 times [2022-12-13 17:23:42,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:23:42,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784699721] [2022-12-13 17:23:42,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:23:42,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:23:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:42,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 17:23:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:42,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 17:23:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:42,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 17:23:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:42,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:42,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:23:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:42,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:23:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:42,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 17:23:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:42,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:42,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:23:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:42,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:23:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:42,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 17:23:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:42,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 17:23:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:23:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:23:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:23:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 17:23:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 17:23:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 17:23:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 17:23:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 17:23:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:23:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:23:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:23:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 17:23:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:23:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 17:23:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 17:23:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 17:23:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-12-13 17:23:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 17:23:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 17:23:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 17:23:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 17:23:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 17:23:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 17:23:43,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-12-13 17:23:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-12-13 17:23:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-12-13 17:23:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-12-13 17:23:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-12-13 17:23:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-12-13 17:23:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:43,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-12-13 17:23:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-12-13 17:23:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-12-13 17:23:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:43,425 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 836 trivial. 0 not checked. [2022-12-13 17:23:43,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:23:43,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784699721] [2022-12-13 17:23:43,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784699721] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:23:43,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:23:43,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 17:23:43,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834552944] [2022-12-13 17:23:43,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:23:43,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 17:23:43,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:23:43,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 17:23:43,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-12-13 17:23:43,426 INFO L87 Difference]: Start difference. First operand 18130 states and 26537 transitions. Second operand has 12 states, 12 states have (on average 11.666666666666666) internal successors, (140), 6 states have internal predecessors, (140), 2 states have call successors, (49), 7 states have call predecessors, (49), 3 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) [2022-12-13 17:23:54,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:23:54,845 INFO L93 Difference]: Finished difference Result 41216 states and 62317 transitions. [2022-12-13 17:23:54,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 17:23:54,846 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.666666666666666) internal successors, (140), 6 states have internal predecessors, (140), 2 states have call successors, (49), 7 states have call predecessors, (49), 3 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) Word has length 393 [2022-12-13 17:23:54,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:23:54,930 INFO L225 Difference]: With dead ends: 41216 [2022-12-13 17:23:54,930 INFO L226 Difference]: Without dead ends: 23101 [2022-12-13 17:23:54,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=445, Unknown=0, NotChecked=0, Total=552 [2022-12-13 17:23:54,994 INFO L413 NwaCegarLoop]: 1413 mSDtfsCounter, 4196 mSDsluCounter, 9035 mSDsCounter, 0 mSdLazyCounter, 15344 mSolverCounterSat, 2472 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4586 SdHoareTripleChecker+Valid, 10448 SdHoareTripleChecker+Invalid, 17816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2472 IncrementalHoareTripleChecker+Valid, 15344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:23:54,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4586 Valid, 10448 Invalid, 17816 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2472 Valid, 15344 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2022-12-13 17:23:55,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23101 states. [2022-12-13 17:23:55,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23101 to 21238. [2022-12-13 17:23:56,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21238 states, 14803 states have (on average 1.2354928055123962) internal successors, (18289), 15071 states have internal predecessors, (18289), 5426 states have call successors, (5426), 807 states have call predecessors, (5426), 1008 states have return successors, (7836), 5570 states have call predecessors, (7836), 5412 states have call successors, (7836) [2022-12-13 17:23:56,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21238 states to 21238 states and 31551 transitions. [2022-12-13 17:23:56,092 INFO L78 Accepts]: Start accepts. Automaton has 21238 states and 31551 transitions. Word has length 393 [2022-12-13 17:23:56,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:23:56,093 INFO L495 AbstractCegarLoop]: Abstraction has 21238 states and 31551 transitions. [2022-12-13 17:23:56,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.666666666666666) internal successors, (140), 6 states have internal predecessors, (140), 2 states have call successors, (49), 7 states have call predecessors, (49), 3 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) [2022-12-13 17:23:56,093 INFO L276 IsEmpty]: Start isEmpty. Operand 21238 states and 31551 transitions. [2022-12-13 17:23:56,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2022-12-13 17:23:56,114 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:23:56,114 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 13, 13, 13, 9, 9, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:23:56,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 17:23:56,114 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:23:56,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:23:56,115 INFO L85 PathProgramCache]: Analyzing trace with hash 429622015, now seen corresponding path program 1 times [2022-12-13 17:23:56,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:23:56,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067368773] [2022-12-13 17:23:56,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:23:56,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:23:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 17:23:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 17:23:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 17:23:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:23:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:23:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 17:23:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:23:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:23:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 17:23:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 17:23:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:23:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:23:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:23:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 17:23:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 17:23:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 17:23:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 17:23:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 17:23:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:23:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:23:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:23:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 17:23:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:23:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 17:23:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 17:23:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 17:23:56,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-12-13 17:23:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 17:23:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 17:23:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 17:23:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 17:23:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-12-13 17:23:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-12-13 17:23:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-12-13 17:23:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-12-13 17:23:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-12-13 17:23:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-12-13 17:23:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-12-13 17:23:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:56,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-12-13 17:23:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:57,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-12-13 17:23:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:57,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-12-13 17:23:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:57,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-12-13 17:23:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:57,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:23:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:57,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-12-13 17:23:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:57,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-12-13 17:23:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:57,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-12-13 17:23:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:57,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-12-13 17:23:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:57,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-12-13 17:23:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:57,049 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2022-12-13 17:23:57,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:23:57,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067368773] [2022-12-13 17:23:57,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067368773] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:23:57,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:23:57,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-13 17:23:57,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738895791] [2022-12-13 17:23:57,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:23:57,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 17:23:57,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:23:57,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 17:23:57,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-12-13 17:23:57,051 INFO L87 Difference]: Start difference. First operand 21238 states and 31551 transitions. Second operand has 13 states, 13 states have (on average 11.923076923076923) internal successors, (155), 6 states have internal predecessors, (155), 2 states have call successors, (55), 8 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 2 states have call successors, (53) [2022-12-13 17:24:08,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:24:10,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:24:17,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:24:17,757 INFO L93 Difference]: Finished difference Result 48450 states and 75502 transitions. [2022-12-13 17:24:17,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 17:24:17,758 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.923076923076923) internal successors, (155), 6 states have internal predecessors, (155), 2 states have call successors, (55), 8 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 2 states have call successors, (53) Word has length 435 [2022-12-13 17:24:17,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:24:17,861 INFO L225 Difference]: With dead ends: 48450 [2022-12-13 17:24:17,861 INFO L226 Difference]: Without dead ends: 27227 [2022-12-13 17:24:17,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=239, Invalid=883, Unknown=0, NotChecked=0, Total=1122 [2022-12-13 17:24:17,946 INFO L413 NwaCegarLoop]: 1528 mSDtfsCounter, 5746 mSDsluCounter, 12064 mSDsCounter, 0 mSdLazyCounter, 20870 mSolverCounterSat, 2384 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6236 SdHoareTripleChecker+Valid, 13592 SdHoareTripleChecker+Invalid, 23255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2384 IncrementalHoareTripleChecker+Valid, 20870 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2022-12-13 17:24:17,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6236 Valid, 13592 Invalid, 23255 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2384 Valid, 20870 Invalid, 1 Unknown, 0 Unchecked, 18.6s Time] [2022-12-13 17:24:17,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27227 states. [2022-12-13 17:24:19,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27227 to 21659. [2022-12-13 17:24:19,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21659 states, 15020 states have (on average 1.2286950732356858) internal successors, (18455), 15239 states have internal predecessors, (18455), 5622 states have call successors, (5622), 789 states have call predecessors, (5622), 1016 states have return successors, (8236), 5824 states have call predecessors, (8236), 5608 states have call successors, (8236) [2022-12-13 17:24:19,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21659 states to 21659 states and 32313 transitions. [2022-12-13 17:24:19,221 INFO L78 Accepts]: Start accepts. Automaton has 21659 states and 32313 transitions. Word has length 435 [2022-12-13 17:24:19,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:24:19,221 INFO L495 AbstractCegarLoop]: Abstraction has 21659 states and 32313 transitions. [2022-12-13 17:24:19,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.923076923076923) internal successors, (155), 6 states have internal predecessors, (155), 2 states have call successors, (55), 8 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 2 states have call successors, (53) [2022-12-13 17:24:19,222 INFO L276 IsEmpty]: Start isEmpty. Operand 21659 states and 32313 transitions. [2022-12-13 17:24:19,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2022-12-13 17:24:19,240 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:24:19,240 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 13, 13, 13, 9, 9, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:24:19,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 17:24:19,240 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:24:19,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:24:19,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1040891073, now seen corresponding path program 1 times [2022-12-13 17:24:19,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:24:19,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800772480] [2022-12-13 17:24:19,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:24:19,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:24:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 17:24:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 17:24:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 17:24:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:24:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:24:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 17:24:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:24:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:24:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 17:24:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 17:24:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:24:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:24:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:24:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 17:24:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 17:24:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 17:24:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 17:24:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 17:24:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:24:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:19,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:24:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:24:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 17:24:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:24:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 17:24:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 17:24:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 17:24:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-12-13 17:24:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 17:24:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 17:24:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 17:24:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 17:24:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-12-13 17:24:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-12-13 17:24:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-12-13 17:24:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-12-13 17:24:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-12-13 17:24:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-12-13 17:24:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-12-13 17:24:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:19,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-12-13 17:24:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:20,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-12-13 17:24:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:20,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-12-13 17:24:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:20,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-12-13 17:24:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:20,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:20,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-12-13 17:24:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:20,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-12-13 17:24:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:20,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-12-13 17:24:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:20,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-12-13 17:24:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:20,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-12-13 17:24:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:20,031 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2022-12-13 17:24:20,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:24:20,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800772480] [2022-12-13 17:24:20,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800772480] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:24:20,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:24:20,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-13 17:24:20,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247985867] [2022-12-13 17:24:20,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:24:20,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 17:24:20,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:24:20,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 17:24:20,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-12-13 17:24:20,033 INFO L87 Difference]: Start difference. First operand 21659 states and 32313 transitions. Second operand has 13 states, 13 states have (on average 11.923076923076923) internal successors, (155), 6 states have internal predecessors, (155), 2 states have call successors, (55), 8 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 2 states have call successors, (53) [2022-12-13 17:24:33,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:24:33,670 INFO L93 Difference]: Finished difference Result 49365 states and 75516 transitions. [2022-12-13 17:24:33,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 17:24:33,671 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.923076923076923) internal successors, (155), 6 states have internal predecessors, (155), 2 states have call successors, (55), 8 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 2 states have call successors, (53) Word has length 435 [2022-12-13 17:24:33,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:24:33,779 INFO L225 Difference]: With dead ends: 49365 [2022-12-13 17:24:33,779 INFO L226 Difference]: Without dead ends: 27721 [2022-12-13 17:24:33,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=206, Invalid=916, Unknown=0, NotChecked=0, Total=1122 [2022-12-13 17:24:33,857 INFO L413 NwaCegarLoop]: 1390 mSDtfsCounter, 9121 mSDsluCounter, 9527 mSDsCounter, 0 mSdLazyCounter, 17717 mSolverCounterSat, 7615 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9589 SdHoareTripleChecker+Valid, 10917 SdHoareTripleChecker+Invalid, 25332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7615 IncrementalHoareTripleChecker+Valid, 17717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2022-12-13 17:24:33,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9589 Valid, 10917 Invalid, 25332 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7615 Valid, 17717 Invalid, 0 Unknown, 0 Unchecked, 11.7s Time] [2022-12-13 17:24:33,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27721 states. [2022-12-13 17:24:34,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27721 to 18784. [2022-12-13 17:24:34,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18784 states, 13001 states have (on average 1.2271363741250674) internal successors, (15954), 13185 states have internal predecessors, (15954), 4806 states have call successors, (4806), 789 states have call predecessors, (4806), 976 states have return successors, (7169), 4963 states have call predecessors, (7169), 4792 states have call successors, (7169) [2022-12-13 17:24:35,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18784 states to 18784 states and 27929 transitions. [2022-12-13 17:24:35,052 INFO L78 Accepts]: Start accepts. Automaton has 18784 states and 27929 transitions. Word has length 435 [2022-12-13 17:24:35,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:24:35,053 INFO L495 AbstractCegarLoop]: Abstraction has 18784 states and 27929 transitions. [2022-12-13 17:24:35,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.923076923076923) internal successors, (155), 6 states have internal predecessors, (155), 2 states have call successors, (55), 8 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 2 states have call successors, (53) [2022-12-13 17:24:35,053 INFO L276 IsEmpty]: Start isEmpty. Operand 18784 states and 27929 transitions. [2022-12-13 17:24:35,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2022-12-13 17:24:35,079 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:24:35,079 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 13, 13, 13, 10, 10, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:24:35,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 17:24:35,079 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:24:35,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:24:35,080 INFO L85 PathProgramCache]: Analyzing trace with hash -214325720, now seen corresponding path program 1 times [2022-12-13 17:24:35,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:24:35,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273894317] [2022-12-13 17:24:35,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:24:35,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:24:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 17:24:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 17:24:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 17:24:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:24:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:24:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 17:24:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:24:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:24:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 17:24:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 17:24:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:24:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:24:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:24:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 17:24:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 17:24:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 17:24:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 17:24:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 17:24:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:24:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:24:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:24:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 17:24:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:24:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 17:24:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 17:24:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 17:24:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-12-13 17:24:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 17:24:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 17:24:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 17:24:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 17:24:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-12-13 17:24:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 17:24:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 17:24:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-12-13 17:24:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-12-13 17:24:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 17:24:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-12-13 17:24:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-12-13 17:24:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-12-13 17:24:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-12-13 17:24:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-12-13 17:24:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-12-13 17:24:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-12-13 17:24:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-12-13 17:24:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-12-13 17:24:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-12-13 17:24:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-12-13 17:24:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-12-13 17:24:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:36,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 17 proven. 42 refuted. 0 times theorem prover too weak. 1017 trivial. 0 not checked. [2022-12-13 17:24:36,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:24:36,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273894317] [2022-12-13 17:24:36,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273894317] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:24:36,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631293964] [2022-12-13 17:24:36,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:24:36,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:24:36,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:24:36,987 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:24:36,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 17:24:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:37,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 3764 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-13 17:24:37,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:24:37,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2022-12-13 17:24:37,988 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:24:37,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631293964] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:24:37,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:24:37,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [18] total 23 [2022-12-13 17:24:37,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322757189] [2022-12-13 17:24:37,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:24:37,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 17:24:37,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:24:37,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 17:24:37,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2022-12-13 17:24:37,991 INFO L87 Difference]: Start difference. First operand 18784 states and 27929 transitions. Second operand has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 6 states have internal predecessors, (176), 2 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (57), 3 states have call predecessors, (57), 2 states have call successors, (57) [2022-12-13 17:24:39,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:24:39,007 INFO L93 Difference]: Finished difference Result 36561 states and 55780 transitions. [2022-12-13 17:24:39,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 17:24:39,008 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 6 states have internal predecessors, (176), 2 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (57), 3 states have call predecessors, (57), 2 states have call successors, (57) Word has length 462 [2022-12-13 17:24:39,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:24:39,084 INFO L225 Difference]: With dead ends: 36561 [2022-12-13 17:24:39,084 INFO L226 Difference]: Without dead ends: 17792 [2022-12-13 17:24:39,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 625 GetRequests, 601 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2022-12-13 17:24:39,163 INFO L413 NwaCegarLoop]: 2606 mSDtfsCounter, 98 mSDsluCounter, 12866 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 15472 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:24:39,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 15472 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:24:39,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17792 states. [2022-12-13 17:24:40,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17792 to 17014. [2022-12-13 17:24:40,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17014 states, 11760 states have (on average 1.22406462585034) internal successors, (14395), 11907 states have internal predecessors, (14395), 4301 states have call successors, (4301), 783 states have call predecessors, (4301), 952 states have return successors, (6494), 4447 states have call predecessors, (6494), 4287 states have call successors, (6494) [2022-12-13 17:24:40,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17014 states to 17014 states and 25190 transitions. [2022-12-13 17:24:40,149 INFO L78 Accepts]: Start accepts. Automaton has 17014 states and 25190 transitions. Word has length 462 [2022-12-13 17:24:40,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:24:40,149 INFO L495 AbstractCegarLoop]: Abstraction has 17014 states and 25190 transitions. [2022-12-13 17:24:40,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 6 states have internal predecessors, (176), 2 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (57), 3 states have call predecessors, (57), 2 states have call successors, (57) [2022-12-13 17:24:40,150 INFO L276 IsEmpty]: Start isEmpty. Operand 17014 states and 25190 transitions. [2022-12-13 17:24:40,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2022-12-13 17:24:40,175 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:24:40,176 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 13, 13, 13, 10, 10, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:24:40,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 17:24:40,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-13 17:24:40,378 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:24:40,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:24:40,379 INFO L85 PathProgramCache]: Analyzing trace with hash 2066796198, now seen corresponding path program 1 times [2022-12-13 17:24:40,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:24:40,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637154096] [2022-12-13 17:24:40,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:24:40,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:24:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:42,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 17:24:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:42,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 17:24:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:42,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 17:24:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:42,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:42,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:24:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:42,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:24:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:42,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 17:24:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:42,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:42,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:24:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:42,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:24:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:42,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 17:24:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:42,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 17:24:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:24:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:24:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:24:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 17:24:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 17:24:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 17:24:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 17:24:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 17:24:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:24:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:24:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:24:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 17:24:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:24:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 17:24:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 17:24:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 17:24:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-12-13 17:24:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 17:24:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 17:24:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 17:24:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 17:24:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-12-13 17:24:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 17:24:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 17:24:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-12-13 17:24:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-12-13 17:24:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 17:24:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-12-13 17:24:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-12-13 17:24:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-12-13 17:24:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-12-13 17:24:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-12-13 17:24:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-12-13 17:24:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-12-13 17:24:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:24:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-12-13 17:24:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-12-13 17:24:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-12-13 17:24:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-12-13 17:24:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-12-13 17:24:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:43,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 17 proven. 42 refuted. 0 times theorem prover too weak. 1017 trivial. 0 not checked. [2022-12-13 17:24:43,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:24:43,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637154096] [2022-12-13 17:24:43,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637154096] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:24:43,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864412566] [2022-12-13 17:24:43,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:24:43,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:24:43,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:24:43,466 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:24:43,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 17:24:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:24:44,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 3767 conjuncts, 127 conjunts are in the unsatisfiable core [2022-12-13 17:24:44,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:24:44,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-13 17:24:44,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-13 17:24:45,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 23 [2022-12-13 17:24:45,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 23 [2022-12-13 17:24:45,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 10 [2022-12-13 17:24:45,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 10 [2022-12-13 17:24:46,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 496 proven. 38 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2022-12-13 17:24:46,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 17:24:47,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 1011 trivial. 0 not checked. [2022-12-13 17:24:47,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864412566] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 17:24:47,076 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 17:24:47,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 23, 14] total 44 [2022-12-13 17:24:47,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842218923] [2022-12-13 17:24:47,077 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 17:24:47,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-12-13 17:24:47,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:24:47,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-12-13 17:24:47,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1784, Unknown=0, NotChecked=0, Total=1892 [2022-12-13 17:24:47,081 INFO L87 Difference]: Start difference. First operand 17014 states and 25190 transitions. Second operand has 44 states, 39 states have (on average 8.051282051282051) internal successors, (314), 27 states have internal predecessors, (314), 11 states have call successors, (117), 9 states have call predecessors, (117), 13 states have return successors, (110), 17 states have call predecessors, (110), 11 states have call successors, (110) [2022-12-13 17:25:24,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:25:26,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:25:55,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:25:57,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:26:00,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:26:02,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:26:04,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:26:06,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:26:08,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:26:37,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:26:48,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:26:56,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:27:34,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:27:34,156 INFO L93 Difference]: Finished difference Result 58794 states and 97494 transitions. [2022-12-13 17:27:34,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2022-12-13 17:27:34,157 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 39 states have (on average 8.051282051282051) internal successors, (314), 27 states have internal predecessors, (314), 11 states have call successors, (117), 9 states have call predecessors, (117), 13 states have return successors, (110), 17 states have call predecessors, (110), 11 states have call successors, (110) Word has length 462 [2022-12-13 17:27:34,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:27:34,385 INFO L225 Difference]: With dead ends: 58794 [2022-12-13 17:27:34,385 INFO L226 Difference]: Without dead ends: 41795 [2022-12-13 17:27:34,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1301 GetRequests, 1050 SyntacticMatches, 12 SemanticMatches, 239 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21316 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=4667, Invalid=53173, Unknown=0, NotChecked=0, Total=57840 [2022-12-13 17:27:34,474 INFO L413 NwaCegarLoop]: 2313 mSDtfsCounter, 13744 mSDsluCounter, 63222 mSDsCounter, 0 mSdLazyCounter, 154773 mSolverCounterSat, 13582 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 141.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14326 SdHoareTripleChecker+Valid, 65535 SdHoareTripleChecker+Invalid, 168367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.7s SdHoareTripleChecker+Time, 13582 IncrementalHoareTripleChecker+Valid, 154773 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 153.9s IncrementalHoareTripleChecker+Time [2022-12-13 17:27:34,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14326 Valid, 65535 Invalid, 168367 Unknown, 0 Unchecked, 0.7s Time], IncrementalHoareTripleChecker [13582 Valid, 154773 Invalid, 12 Unknown, 0 Unchecked, 153.9s Time] [2022-12-13 17:27:34,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41795 states. [2022-12-13 17:27:37,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41795 to 27983. [2022-12-13 17:27:37,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27983 states, 19315 states have (on average 1.221537665027181) internal successors, (23594), 19749 states have internal predecessors, (23594), 6858 states have call successors, (6858), 1398 states have call predecessors, (6858), 1809 states have return successors, (14623), 7039 states have call predecessors, (14623), 6844 states have call successors, (14623) [2022-12-13 17:27:37,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27983 states to 27983 states and 45075 transitions. [2022-12-13 17:27:37,448 INFO L78 Accepts]: Start accepts. Automaton has 27983 states and 45075 transitions. Word has length 462 [2022-12-13 17:27:37,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:27:37,448 INFO L495 AbstractCegarLoop]: Abstraction has 27983 states and 45075 transitions. [2022-12-13 17:27:37,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 39 states have (on average 8.051282051282051) internal successors, (314), 27 states have internal predecessors, (314), 11 states have call successors, (117), 9 states have call predecessors, (117), 13 states have return successors, (110), 17 states have call predecessors, (110), 11 states have call successors, (110) [2022-12-13 17:27:37,448 INFO L276 IsEmpty]: Start isEmpty. Operand 27983 states and 45075 transitions. [2022-12-13 17:27:37,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-12-13 17:27:37,488 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:27:37,488 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 11, 11, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:27:37,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-13 17:27:37,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:27:37,690 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:27:37,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:27:37,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1344903799, now seen corresponding path program 1 times [2022-12-13 17:27:37,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:27:37,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589043165] [2022-12-13 17:27:37,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:27:37,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:27:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:38,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 17:27:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:38,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 17:27:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:38,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 17:27:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:38,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:27:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:38,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:27:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:38,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:27:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:38,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 17:27:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:38,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:27:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:38,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:27:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:38,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:27:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:38,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 17:27:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:38,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 17:27:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:27:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:27:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:27:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:27:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:27:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 17:27:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:27:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:27:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:27:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:27:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:27:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:27:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:27:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:27:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 17:27:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:27:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 17:27:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 17:27:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:27:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:27:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:27:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 17:27:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 17:27:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 17:27:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:27:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:27:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 17:27:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:27:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-12-13 17:27:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:27:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:27:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 17:27:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:27:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 17:27:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:27:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:27:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 17:27:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:27:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-12-13 17:27:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:27:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 17:27:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:27:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 17:27:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:27:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-12-13 17:27:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:27:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 17:27:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:27:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-12-13 17:27:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-12-13 17:27:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-12-13 17:27:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-12-13 17:27:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:27:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-12-13 17:27:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:27:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-12-13 17:27:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-12-13 17:27:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-12-13 17:27:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-12-13 17:27:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-12-13 17:27:39,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:27:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-12-13 17:27:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-12-13 17:27:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-12-13 17:27:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-12-13 17:27:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-12-13 17:27:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:39,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1198 trivial. 0 not checked. [2022-12-13 17:27:39,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:27:39,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589043165] [2022-12-13 17:27:39,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589043165] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:27:39,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:27:39,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 17:27:39,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85072678] [2022-12-13 17:27:39,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:27:39,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 17:27:39,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:27:39,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 17:27:39,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-12-13 17:27:39,649 INFO L87 Difference]: Start difference. First operand 27983 states and 45075 transitions. Second operand has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 5 states have internal predecessors, (169), 2 states have call successors, (57), 8 states have call predecessors, (57), 3 states have return successors, (55), 3 states have call predecessors, (55), 2 states have call successors, (55) [2022-12-13 17:27:58,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:27:58,216 INFO L93 Difference]: Finished difference Result 59743 states and 98761 transitions. [2022-12-13 17:27:58,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-13 17:27:58,217 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 5 states have internal predecessors, (169), 2 states have call successors, (57), 8 states have call predecessors, (57), 3 states have return successors, (55), 3 states have call predecessors, (55), 2 states have call successors, (55) Word has length 482 [2022-12-13 17:27:58,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:27:58,362 INFO L225 Difference]: With dead ends: 59743 [2022-12-13 17:27:58,362 INFO L226 Difference]: Without dead ends: 31775 [2022-12-13 17:27:58,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=156, Invalid=600, Unknown=0, NotChecked=0, Total=756 [2022-12-13 17:27:58,513 INFO L413 NwaCegarLoop]: 1195 mSDtfsCounter, 8243 mSDsluCounter, 7736 mSDsCounter, 0 mSdLazyCounter, 15938 mSolverCounterSat, 6759 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8703 SdHoareTripleChecker+Valid, 8931 SdHoareTripleChecker+Invalid, 22697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6759 IncrementalHoareTripleChecker+Valid, 15938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2022-12-13 17:27:58,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8703 Valid, 8931 Invalid, 22697 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6759 Valid, 15938 Invalid, 0 Unknown, 0 Unchecked, 15.4s Time] [2022-12-13 17:27:58,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31775 states. [2022-12-13 17:28:00,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31775 to 27998. [2022-12-13 17:28:00,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27998 states, 19330 states have (on average 1.2213657527159856) internal successors, (23609), 19759 states have internal predecessors, (23609), 6858 states have call successors, (6858), 1398 states have call predecessors, (6858), 1809 states have return successors, (14623), 7044 states have call predecessors, (14623), 6844 states have call successors, (14623) [2022-12-13 17:28:00,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27998 states to 27998 states and 45090 transitions. [2022-12-13 17:28:00,596 INFO L78 Accepts]: Start accepts. Automaton has 27998 states and 45090 transitions. Word has length 482 [2022-12-13 17:28:00,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:28:00,597 INFO L495 AbstractCegarLoop]: Abstraction has 27998 states and 45090 transitions. [2022-12-13 17:28:00,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 5 states have internal predecessors, (169), 2 states have call successors, (57), 8 states have call predecessors, (57), 3 states have return successors, (55), 3 states have call predecessors, (55), 2 states have call successors, (55) [2022-12-13 17:28:00,597 INFO L276 IsEmpty]: Start isEmpty. Operand 27998 states and 45090 transitions. [2022-12-13 17:28:00,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2022-12-13 17:28:00,640 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:28:00,640 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 16, 16, 13, 13, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:28:00,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 17:28:00,640 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:28:00,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:28:00,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1829137282, now seen corresponding path program 2 times [2022-12-13 17:28:00,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:28:00,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473195455] [2022-12-13 17:28:00,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:28:00,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:28:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:01,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 17:28:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:01,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 17:28:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:01,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 17:28:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:28:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:28:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 17:28:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:28:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:28:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 17:28:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 17:28:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:28:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:28:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:28:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 17:28:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:28:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:28:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:28:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:28:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:28:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:02,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 17:28:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 17:28:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 17:28:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:02,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:28:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:28:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 17:28:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 17:28:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 17:28:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 17:28:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-12-13 17:28:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:28:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:28:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:28:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 17:28:02,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 17:28:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:28:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:28:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:28:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-12-13 17:28:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 17:28:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-12-13 17:28:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 17:28:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-12-13 17:28:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-12-13 17:28:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 17:28:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-12-13 17:28:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-12-13 17:28:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-12-13 17:28:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-12-13 17:28:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-12-13 17:28:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-12-13 17:28:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-12-13 17:28:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-12-13 17:28:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-12-13 17:28:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2022-12-13 17:28:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2022-12-13 17:28:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-12-13 17:28:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-12-13 17:28:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2022-12-13 17:28:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:02,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1577 backedges. 9 proven. 65 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2022-12-13 17:28:02,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:28:02,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473195455] [2022-12-13 17:28:02,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473195455] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:28:02,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035811457] [2022-12-13 17:28:02,586 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 17:28:02,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:28:02,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:28:02,587 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:28:02,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 17:28:03,762 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 17:28:03,762 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 17:28:03,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 3923 conjuncts, 40 conjunts are in the unsatisfiable core [2022-12-13 17:28:03,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:28:03,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1577 backedges. 292 proven. 3 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2022-12-13 17:28:03,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 17:28:04,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1577 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 1505 trivial. 0 not checked. [2022-12-13 17:28:04,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035811457] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 17:28:04,448 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 17:28:04,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 8] total 21 [2022-12-13 17:28:04,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956633272] [2022-12-13 17:28:04,449 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 17:28:04,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-12-13 17:28:04,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:28:04,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-12-13 17:28:04,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2022-12-13 17:28:04,452 INFO L87 Difference]: Start difference. First operand 27998 states and 45090 transitions. Second operand has 21 states, 19 states have (on average 16.263157894736842) internal successors, (309), 13 states have internal predecessors, (309), 6 states have call successors, (133), 8 states have call predecessors, (133), 5 states have return successors, (113), 6 states have call predecessors, (113), 6 states have call successors, (113) [2022-12-13 17:28:26,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:28:29,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:28:36,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:28:46,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:28:46,353 INFO L93 Difference]: Finished difference Result 59667 states and 95954 transitions. [2022-12-13 17:28:46,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-13 17:28:46,354 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 16.263157894736842) internal successors, (309), 13 states have internal predecessors, (309), 6 states have call successors, (133), 8 states have call predecessors, (133), 5 states have return successors, (113), 6 states have call predecessors, (113), 6 states have call successors, (113) Word has length 510 [2022-12-13 17:28:46,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:28:46,502 INFO L225 Difference]: With dead ends: 59667 [2022-12-13 17:28:46,502 INFO L226 Difference]: Without dead ends: 31682 [2022-12-13 17:28:46,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1214 GetRequests, 1175 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=230, Invalid=1102, Unknown=0, NotChecked=0, Total=1332 [2022-12-13 17:28:46,615 INFO L413 NwaCegarLoop]: 1168 mSDtfsCounter, 5563 mSDsluCounter, 13800 mSDsCounter, 0 mSdLazyCounter, 31408 mSolverCounterSat, 2371 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6189 SdHoareTripleChecker+Valid, 14968 SdHoareTripleChecker+Invalid, 33781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2371 IncrementalHoareTripleChecker+Valid, 31408 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.4s IncrementalHoareTripleChecker+Time [2022-12-13 17:28:46,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6189 Valid, 14968 Invalid, 33781 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2371 Valid, 31408 Invalid, 2 Unknown, 0 Unchecked, 38.4s Time] [2022-12-13 17:28:46,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31682 states. [2022-12-13 17:28:48,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31682 to 27998. [2022-12-13 17:28:48,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27998 states, 19330 states have (on average 1.221314019658562) internal successors, (23608), 19758 states have internal predecessors, (23608), 6858 states have call successors, (6858), 1398 states have call predecessors, (6858), 1809 states have return successors, (14623), 7044 states have call predecessors, (14623), 6844 states have call successors, (14623) [2022-12-13 17:28:48,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27998 states to 27998 states and 45089 transitions. [2022-12-13 17:28:48,863 INFO L78 Accepts]: Start accepts. Automaton has 27998 states and 45089 transitions. Word has length 510 [2022-12-13 17:28:48,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:28:48,863 INFO L495 AbstractCegarLoop]: Abstraction has 27998 states and 45089 transitions. [2022-12-13 17:28:48,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 16.263157894736842) internal successors, (309), 13 states have internal predecessors, (309), 6 states have call successors, (133), 8 states have call predecessors, (133), 5 states have return successors, (113), 6 states have call predecessors, (113), 6 states have call successors, (113) [2022-12-13 17:28:48,863 INFO L276 IsEmpty]: Start isEmpty. Operand 27998 states and 45089 transitions. [2022-12-13 17:28:48,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2022-12-13 17:28:48,908 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:28:48,908 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 16, 16, 13, 13, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:28:48,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-13 17:28:49,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-13 17:28:49,110 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:28:49,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:28:49,112 INFO L85 PathProgramCache]: Analyzing trace with hash 556001631, now seen corresponding path program 1 times [2022-12-13 17:28:49,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:28:49,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790807166] [2022-12-13 17:28:49,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:28:49,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:28:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:51,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 17:28:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:51,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 17:28:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:51,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 17:28:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:51,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:51,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:28:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:51,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:28:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:51,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 17:28:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:51,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 17:28:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:51,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:51,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:28:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:51,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:28:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:51,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 17:28:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:51,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 17:28:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:28:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:28:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:28:53,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 17:28:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:28:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:28:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:28:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:28:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:28:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 17:28:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 17:28:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 17:28:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:28:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:28:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 17:28:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 17:28:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 17:28:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 17:28:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-12-13 17:28:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:28:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:28:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:28:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 17:28:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 17:28:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:28:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:28:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:28:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-12-13 17:28:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 17:28:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-12-13 17:28:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 17:28:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-12-13 17:28:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-12-13 17:28:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:53,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:54,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 17:28:54,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:54,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-12-13 17:28:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:54,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-12-13 17:28:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:54,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-12-13 17:28:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:54,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:54,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-12-13 17:28:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:54,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:54,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-12-13 17:28:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:54,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-12-13 17:28:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:54,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-12-13 17:28:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:54,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-12-13 17:28:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:54,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-12-13 17:28:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:54,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:28:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:54,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-12-13 17:28:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:54,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-12-13 17:28:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:54,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2022-12-13 17:28:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:54,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-12-13 17:28:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:54,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2022-12-13 17:28:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:54,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1583 backedges. 116 proven. 7 refuted. 0 times theorem prover too weak. 1460 trivial. 0 not checked. [2022-12-13 17:28:54,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:28:54,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790807166] [2022-12-13 17:28:54,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790807166] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:28:54,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235182880] [2022-12-13 17:28:54,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:28:54,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:28:54,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:28:54,180 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:28:54,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 17:28:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:28:55,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 3941 conjuncts, 105 conjunts are in the unsatisfiable core [2022-12-13 17:28:55,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:28:55,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-13 17:28:55,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-13 17:28:56,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-13 17:28:56,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 26 [2022-12-13 17:28:56,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-13 17:28:56,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 13 [2022-12-13 17:28:57,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1583 backedges. 642 proven. 10 refuted. 0 times theorem prover too weak. 931 trivial. 0 not checked. [2022-12-13 17:28:57,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 17:28:58,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [235182880] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:28:58,718 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 17:28:58,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 25] total 40 [2022-12-13 17:28:58,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888572814] [2022-12-13 17:28:58,719 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 17:28:58,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-12-13 17:28:58,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:28:58,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-12-13 17:28:58,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=2279, Unknown=0, NotChecked=0, Total=2450 [2022-12-13 17:28:58,722 INFO L87 Difference]: Start difference. First operand 27998 states and 45089 transitions. Second operand has 40 states, 35 states have (on average 6.942857142857143) internal successors, (243), 25 states have internal predecessors, (243), 12 states have call successors, (101), 10 states have call predecessors, (101), 14 states have return successors, (91), 16 states have call predecessors, (91), 12 states have call successors, (91) [2022-12-13 17:29:13,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:29:16,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:29:26,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:29:28,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:29:31,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:29:34,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:29:37,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:29:39,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:29:41,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:29:43,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:29:45,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:29:57,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:30:05,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:30:07,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:30:15,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:30:17,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:30:22,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:30:24,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:30:32,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:30:50,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:30:52,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:30:54,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:30:56,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:30:58,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:31:04,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:31:06,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:31:08,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:31:15,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:31:17,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:31:21,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:31:23,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:31:25,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:31:27,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:31:29,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:31:31,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:31:34,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:31:50,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:31:53,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:31:55,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:31:57,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:31:59,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:32:06,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:32:09,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:32:16,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:32:18,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:32:20,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:32:24,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:32:31,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:32:33,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:32:37,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:32:40,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:32:53,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:32:53,471 INFO L93 Difference]: Finished difference Result 99850 states and 183253 transitions. [2022-12-13 17:32:53,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-12-13 17:32:53,473 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 35 states have (on average 6.942857142857143) internal successors, (243), 25 states have internal predecessors, (243), 12 states have call successors, (101), 10 states have call predecessors, (101), 14 states have return successors, (91), 16 states have call predecessors, (91), 12 states have call successors, (91) Word has length 514 [2022-12-13 17:32:53,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:32:53,989 INFO L225 Difference]: With dead ends: 99850 [2022-12-13 17:32:53,989 INFO L226 Difference]: Without dead ends: 71867 [2022-12-13 17:32:54,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 981 GetRequests, 833 SyntacticMatches, 9 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6468 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=2044, Invalid=17696, Unknown=0, NotChecked=0, Total=19740 [2022-12-13 17:32:54,129 INFO L413 NwaCegarLoop]: 1560 mSDtfsCounter, 11950 mSDsluCounter, 30064 mSDsCounter, 0 mSdLazyCounter, 92996 mSolverCounterSat, 9763 mSolverCounterUnsat, 45 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 210.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12530 SdHoareTripleChecker+Valid, 31624 SdHoareTripleChecker+Invalid, 102804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 9763 IncrementalHoareTripleChecker+Valid, 92996 IncrementalHoareTripleChecker+Invalid, 45 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 221.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:32:54,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12530 Valid, 31624 Invalid, 102804 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [9763 Valid, 92996 Invalid, 45 Unknown, 0 Unchecked, 221.0s Time] [2022-12-13 17:32:54,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71867 states. [2022-12-13 17:33:01,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71867 to 65884. [2022-12-13 17:33:01,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65884 states, 45212 states have (on average 1.2175528620720162) internal successors, (55048), 46616 states have internal predecessors, (55048), 15937 states have call successors, (15937), 3778 states have call predecessors, (15937), 4734 states have return successors, (54306), 15930 states have call predecessors, (54306), 15923 states have call successors, (54306) [2022-12-13 17:33:01,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65884 states to 65884 states and 125291 transitions. [2022-12-13 17:33:01,670 INFO L78 Accepts]: Start accepts. Automaton has 65884 states and 125291 transitions. Word has length 514 [2022-12-13 17:33:01,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:33:01,671 INFO L495 AbstractCegarLoop]: Abstraction has 65884 states and 125291 transitions. [2022-12-13 17:33:01,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 35 states have (on average 6.942857142857143) internal successors, (243), 25 states have internal predecessors, (243), 12 states have call successors, (101), 10 states have call predecessors, (101), 14 states have return successors, (91), 16 states have call predecessors, (91), 12 states have call successors, (91) [2022-12-13 17:33:01,671 INFO L276 IsEmpty]: Start isEmpty. Operand 65884 states and 125291 transitions. [2022-12-13 17:33:01,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-12-13 17:33:01,744 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:33:01,744 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 16, 16, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:33:01,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 17:33:01,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-13 17:33:01,947 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:33:01,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:33:01,948 INFO L85 PathProgramCache]: Analyzing trace with hash 487178382, now seen corresponding path program 1 times [2022-12-13 17:33:01,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:33:01,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630569996] [2022-12-13 17:33:01,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:33:01,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:33:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 17:33:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 17:33:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 17:33:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:33:04,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:33:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 17:33:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 17:33:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:33:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:33:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 17:33:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 17:33:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:04,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:33:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:33:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:33:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 17:33:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:33:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:33:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:33:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:33:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:33:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 17:33:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 17:33:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 17:33:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:33:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:33:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 17:33:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 17:33:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 17:33:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:04,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 17:33:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-12-13 17:33:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-12-13 17:33:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 17:33:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 17:33:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-12-13 17:33:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 17:33:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-12-13 17:33:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-12-13 17:33:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:33:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:33:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-12-13 17:33:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 17:33:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 17:33:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 17:33:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 17:33:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 17:33:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 17:33:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-12-13 17:33:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-12-13 17:33:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-12-13 17:33:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-12-13 17:33:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-12-13 17:33:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-12-13 17:33:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-12-13 17:33:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-12-13 17:33:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-12-13 17:33:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:05,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1194 backedges. 33 proven. 8 refuted. 0 times theorem prover too weak. 1153 trivial. 0 not checked. [2022-12-13 17:33:05,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:33:05,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630569996] [2022-12-13 17:33:05,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630569996] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:33:05,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920442049] [2022-12-13 17:33:05,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:33:05,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:33:05,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:33:05,178 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:33:05,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 17:33:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:06,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 3912 conjuncts, 57 conjunts are in the unsatisfiable core [2022-12-13 17:33:06,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:33:06,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1194 backedges. 580 proven. 0 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2022-12-13 17:33:06,348 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:33:06,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1920442049] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:33:06,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:33:06,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [19] total 22 [2022-12-13 17:33:06,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142909660] [2022-12-13 17:33:06,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:33:06,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 17:33:06,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:33:06,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 17:33:06,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2022-12-13 17:33:06,350 INFO L87 Difference]: Start difference. First operand 65884 states and 125291 transitions. Second operand has 13 states, 11 states have (on average 18.727272727272727) internal successors, (206), 9 states have internal predecessors, (206), 4 states have call successors, (62), 2 states have call predecessors, (62), 6 states have return successors, (60), 6 states have call predecessors, (60), 4 states have call successors, (60) [2022-12-13 17:33:13,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:33:13,272 INFO L93 Difference]: Finished difference Result 131841 states and 255089 transitions. [2022-12-13 17:33:13,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 17:33:13,273 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 18.727272727272727) internal successors, (206), 9 states have internal predecessors, (206), 4 states have call successors, (62), 2 states have call predecessors, (62), 6 states have return successors, (60), 6 states have call predecessors, (60), 4 states have call successors, (60) Word has length 484 [2022-12-13 17:33:13,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:33:13,769 INFO L225 Difference]: With dead ends: 131841 [2022-12-13 17:33:13,769 INFO L226 Difference]: Without dead ends: 65972 [2022-12-13 17:33:14,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 650 GetRequests, 625 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-12-13 17:33:14,164 INFO L413 NwaCegarLoop]: 2553 mSDtfsCounter, 101 mSDsluCounter, 27863 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 30416 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 17:33:14,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 30416 Invalid, 347 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 17:33:14,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65972 states. [2022-12-13 17:33:20,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65972 to 65916. [2022-12-13 17:33:20,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65916 states, 45236 states have (on average 1.2174374392077107) internal successors, (55072), 46632 states have internal predecessors, (55072), 15945 states have call successors, (15945), 3778 states have call predecessors, (15945), 4734 states have return successors, (54314), 15946 states have call predecessors, (54314), 15931 states have call successors, (54314) [2022-12-13 17:33:20,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65916 states to 65916 states and 125331 transitions. [2022-12-13 17:33:20,932 INFO L78 Accepts]: Start accepts. Automaton has 65916 states and 125331 transitions. Word has length 484 [2022-12-13 17:33:20,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:33:20,932 INFO L495 AbstractCegarLoop]: Abstraction has 65916 states and 125331 transitions. [2022-12-13 17:33:20,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 18.727272727272727) internal successors, (206), 9 states have internal predecessors, (206), 4 states have call successors, (62), 2 states have call predecessors, (62), 6 states have return successors, (60), 6 states have call predecessors, (60), 4 states have call successors, (60) [2022-12-13 17:33:20,933 INFO L276 IsEmpty]: Start isEmpty. Operand 65916 states and 125331 transitions. [2022-12-13 17:33:21,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2022-12-13 17:33:21,008 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:33:21,008 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 16, 16, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:33:21,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 17:33:21,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-13 17:33:21,210 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:33:21,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:33:21,211 INFO L85 PathProgramCache]: Analyzing trace with hash -378885492, now seen corresponding path program 1 times [2022-12-13 17:33:21,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:33:21,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088518543] [2022-12-13 17:33:21,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:33:21,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:33:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:24,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 17:33:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:24,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 17:33:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:24,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 17:33:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:24,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:24,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:33:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:24,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:33:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:24,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 17:33:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:24,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 17:33:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:24,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:24,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:33:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:24,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:33:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:24,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 17:33:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:24,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 17:33:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:33:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:33:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:33:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 17:33:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:33:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:33:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:33:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:33:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:33:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 17:33:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 17:33:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 17:33:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:33:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:33:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 17:33:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 17:33:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 17:33:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:33:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:33:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:33:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-12-13 17:33:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 17:33:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-12-13 17:33:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 17:33:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-12-13 17:33:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-12-13 17:33:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-12-13 17:33:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-12-13 17:33:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 17:33:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:33:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:33:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-12-13 17:33:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-12-13 17:33:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 17:33:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 17:33:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 17:33:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:25,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 17:33:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:26,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:26,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 17:33:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:26,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:26,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-12-13 17:33:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:26,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-12-13 17:33:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:26,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-12-13 17:33:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:26,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:26,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-12-13 17:33:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:26,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-12-13 17:33:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:26,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-12-13 17:33:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:26,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:26,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-12-13 17:33:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:26,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-12-13 17:33:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:26,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-12-13 17:33:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:26,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1375 backedges. 28 proven. 50 refuted. 0 times theorem prover too weak. 1297 trivial. 0 not checked. [2022-12-13 17:33:26,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:33:26,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088518543] [2022-12-13 17:33:26,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088518543] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:33:26,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675992166] [2022-12-13 17:33:26,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:33:26,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:33:26,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:33:26,065 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:33:26,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 17:33:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:29,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 3971 conjuncts, 79 conjunts are in the unsatisfiable core [2022-12-13 17:33:29,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:33:30,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1375 backedges. 696 proven. 0 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2022-12-13 17:33:30,704 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:33:30,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675992166] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:33:30,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:33:30,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [27] total 43 [2022-12-13 17:33:30,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828719502] [2022-12-13 17:33:30,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:33:30,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-12-13 17:33:30,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:33:30,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-12-13 17:33:30,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1701, Unknown=0, NotChecked=0, Total=1806 [2022-12-13 17:33:30,706 INFO L87 Difference]: Start difference. First operand 65916 states and 125331 transitions. Second operand has 20 states, 16 states have (on average 13.4375) internal successors, (215), 14 states have internal predecessors, (215), 6 states have call successors, (65), 2 states have call predecessors, (65), 8 states have return successors, (63), 9 states have call predecessors, (63), 6 states have call successors, (63) [2022-12-13 17:33:37,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:33:37,611 INFO L93 Difference]: Finished difference Result 131801 states and 254937 transitions. [2022-12-13 17:33:37,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 17:33:37,612 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 13.4375) internal successors, (215), 14 states have internal predecessors, (215), 6 states have call successors, (65), 2 states have call predecessors, (65), 8 states have return successors, (63), 9 states have call predecessors, (63), 6 states have call successors, (63) Word has length 503 [2022-12-13 17:33:37,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:33:38,145 INFO L225 Difference]: With dead ends: 131801 [2022-12-13 17:33:38,145 INFO L226 Difference]: Without dead ends: 65900 [2022-12-13 17:33:38,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 685 GetRequests, 638 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=138, Invalid=2214, Unknown=0, NotChecked=0, Total=2352 [2022-12-13 17:33:38,458 INFO L413 NwaCegarLoop]: 2536 mSDtfsCounter, 109 mSDsluCounter, 40238 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 42774 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 17:33:38,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 42774 Invalid, 885 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 17:33:38,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65900 states. [2022-12-13 17:33:44,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65900 to 65868. [2022-12-13 17:33:44,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65868 states, 45204 states have (on average 1.2174143881072472) internal successors, (55032), 46608 states have internal predecessors, (55032), 15929 states have call successors, (15929), 3778 states have call predecessors, (15929), 4734 states have return successors, (54298), 15922 states have call predecessors, (54298), 15915 states have call successors, (54298) [2022-12-13 17:33:45,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65868 states to 65868 states and 125259 transitions. [2022-12-13 17:33:45,037 INFO L78 Accepts]: Start accepts. Automaton has 65868 states and 125259 transitions. Word has length 503 [2022-12-13 17:33:45,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:33:45,038 INFO L495 AbstractCegarLoop]: Abstraction has 65868 states and 125259 transitions. [2022-12-13 17:33:45,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 13.4375) internal successors, (215), 14 states have internal predecessors, (215), 6 states have call successors, (65), 2 states have call predecessors, (65), 8 states have return successors, (63), 9 states have call predecessors, (63), 6 states have call successors, (63) [2022-12-13 17:33:45,038 INFO L276 IsEmpty]: Start isEmpty. Operand 65868 states and 125259 transitions. [2022-12-13 17:33:45,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2022-12-13 17:33:45,122 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:33:45,123 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 16, 16, 12, 12, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:33:45,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 17:33:45,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-13 17:33:45,325 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:33:45,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:33:45,326 INFO L85 PathProgramCache]: Analyzing trace with hash 875812162, now seen corresponding path program 1 times [2022-12-13 17:33:45,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:33:45,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679072672] [2022-12-13 17:33:45,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:33:45,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:33:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:47,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 17:33:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:47,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 17:33:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:47,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 17:33:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:47,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:47,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:33:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:47,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:33:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:47,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 17:33:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:47,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 17:33:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:47,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:47,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:33:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:47,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:33:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:47,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 17:33:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:47,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 17:33:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:33:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:33:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:33:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 17:33:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:33:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:33:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:33:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:33:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 17:33:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 17:33:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 17:33:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 17:33:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:33:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:33:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 17:33:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 17:33:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 17:33:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 17:33:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-12-13 17:33:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 17:33:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 17:33:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 17:33:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-12-13 17:33:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 17:33:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:49,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 17:33:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-12-13 17:33:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:33:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:33:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 17:33:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-12-13 17:33:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-12-13 17:33:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-12-13 17:33:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-12-13 17:33:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-12-13 17:33:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-12-13 17:33:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-12-13 17:33:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-12-13 17:33:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-12-13 17:33:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-12-13 17:33:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-12-13 17:33:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:50,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-12-13 17:33:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2022-12-13 17:33:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2022-12-13 17:33:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2022-12-13 17:33:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-12-13 17:33:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:50,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1392 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2022-12-13 17:33:50,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:33:50,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679072672] [2022-12-13 17:33:50,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679072672] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:33:50,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773632135] [2022-12-13 17:33:50,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:33:50,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:33:50,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:33:50,357 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:33:50,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01c87df-6d6b-4e2f-8645-69cd56b3209e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 17:33:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 4017 conjuncts, 101 conjunts are in the unsatisfiable core [2022-12-13 17:33:51,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:33:51,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-13 17:33:51,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-13 17:33:53,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 23 [2022-12-13 17:33:53,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 23 [2022-12-13 17:33:53,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 17:33:53,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2022-12-13 17:33:53,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 17:33:53,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2022-12-13 17:33:53,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 10 [2022-12-13 17:33:53,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 10 [2022-12-13 17:33:53,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1392 backedges. 698 proven. 13 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2022-12-13 17:33:53,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 17:33:54,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773632135] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:33:54,825 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 17:33:54,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 19] total 42 [2022-12-13 17:33:54,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496368625] [2022-12-13 17:33:54,826 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 17:33:54,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-12-13 17:33:54,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:33:54,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-12-13 17:33:54,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=2208, Unknown=0, NotChecked=0, Total=2352 [2022-12-13 17:33:54,827 INFO L87 Difference]: Start difference. First operand 65868 states and 125259 transitions. Second operand has 42 states, 39 states have (on average 7.230769230769231) internal successors, (282), 26 states have internal predecessors, (282), 12 states have call successors, (109), 9 states have call predecessors, (109), 11 states have return successors, (101), 18 states have call predecessors, (101), 12 states have call successors, (101) [2022-12-13 17:34:40,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:34:42,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:35:06,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:35:09,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:35:11,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:35:13,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:35:15,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:35:17,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:35:19,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:35:21,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:35:23,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:35:29,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:35:44,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]