./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322b011-f470-4521-96c0-6141f23356e2/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322b011-f470-4521-96c0-6141f23356e2/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_7322b011-f470-4521-96c0-6141f23356e2/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322b011-f470-4521-96c0-6141f23356e2/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322b011-f470-4521-96c0-6141f23356e2/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_7322b011-f470-4521-96c0-6141f23356e2/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 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f --- 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 12:27:57,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:27:57,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:27:57,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:27:57,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:27:57,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:27:57,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:27:57,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:27:57,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:27:57,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:27:57,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:27:57,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:27:57,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:27:57,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:27:57,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:27:57,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:27:57,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:27:57,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:27:57,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:27:57,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:27:57,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:27:57,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:27:57,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:27:57,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:27:57,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:27:57,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:27:57,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:27:57,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:27:57,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:27:57,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:27:57,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:27:57,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:27:57,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:27:57,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:27:57,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:27:57,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:27:57,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:27:57,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:27:57,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:27:57,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:27:57,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:27:57,397 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322b011-f470-4521-96c0-6141f23356e2/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 12:27:57,419 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:27:57,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:27:57,419 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:27:57,419 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:27:57,420 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:27:57,420 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:27:57,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:27:57,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:27:57,421 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:27:57,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:27:57,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:27:57,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:27:57,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:27:57,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:27:57,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:27:57,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:27:57,423 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:27:57,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:27:57,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:27:57,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:27:57,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:27:57,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:27:57,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:27:57,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:27:57,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:27:57,424 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:27:57,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:27:57,425 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:27:57,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:27:57,425 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:27:57,425 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:27:57,425 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:27:57,426 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_7322b011-f470-4521-96c0-6141f23356e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322b011-f470-4521-96c0-6141f23356e2/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f [2022-12-13 12:27:57,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:27:57,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:27:57,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:27:57,633 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:27:57,633 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:27:57,634 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322b011-f470-4521-96c0-6141f23356e2/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2022-12-13 12:28:00,181 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:28:00,540 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:28:00,540 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322b011-f470-4521-96c0-6141f23356e2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2022-12-13 12:28:00,567 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322b011-f470-4521-96c0-6141f23356e2/bin/uautomizer-uyxdKDjOR8/data/b30a4d8b0/c3a6d3fef65349c2b1beb80963a68735/FLAG6d8d0aba7 [2022-12-13 12:28:00,577 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322b011-f470-4521-96c0-6141f23356e2/bin/uautomizer-uyxdKDjOR8/data/b30a4d8b0/c3a6d3fef65349c2b1beb80963a68735 [2022-12-13 12:28:00,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:28:00,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:28:00,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:28:00,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:28:00,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:28:00,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:28:00" (1/1) ... [2022-12-13 12:28:00,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17491c12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:28:00, skipping insertion in model container [2022-12-13 12:28:00,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:28:00" (1/1) ... [2022-12-13 12:28:00,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:28:00,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:28:01,229 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 12:28:01,240 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 12:28:01,251 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 12:28:01,294 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 12:28:01,424 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 12:28:01,426 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 12:28:01,426 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 12:28:01,432 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 12:28:01,432 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 12:28:01,433 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 12:28:01,446 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 12:28:01,500 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-13 12:28:01,505 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-12-13 12:28:01,510 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-13 12:28:01,515 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-12-13 12:28:01,565 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 12:28:01,568 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 12:28:01,569 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 12:28:01,575 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 12:28:01,639 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:28:01,684 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 12:28:01,740 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 12:28:01,766 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-13 12:28:02,219 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,220 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,220 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,220 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,221 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,221 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,221 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,222 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,222 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,222 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,222 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,224 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,224 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,225 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,226 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:28:02,227 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:28:02,228 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-13 12:28:02,233 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 12:28:02,233 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,234 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,235 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 12:28:02,237 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:28:02,238 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,238 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,239 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,239 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,241 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,241 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,241 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,242 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,242 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,243 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,243 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,243 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,248 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,248 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,249 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,253 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,259 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,259 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-13 12:28:02,261 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,267 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,268 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 12:28:02,268 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 12:28:02,286 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,296 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-13 12:28:02,314 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 12:28:02,314 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 12:28:02,317 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 12:28:02,318 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 12:28:02,318 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 12:28:02,323 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 12:28:02,323 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 12:28:02,387 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,390 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,393 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,393 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,394 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,394 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,395 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,395 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,396 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,396 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,414 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 12:28:02,415 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 12:28:02,427 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,431 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-13 12:28:02,432 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,444 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 12:28:02,444 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 12:28:02,451 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,452 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,453 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,453 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,455 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,460 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,460 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,491 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,491 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,492 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,492 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,493 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,495 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,495 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,500 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,500 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,500 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,501 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,501 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,501 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,501 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,501 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,502 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,502 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,505 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,506 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,507 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,507 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,508 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,509 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,509 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,510 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,510 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,510 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,511 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,511 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,512 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,512 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,513 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,514 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,515 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,515 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,530 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,531 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,531 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,531 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,532 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,532 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,533 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,533 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,533 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,534 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,534 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,535 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,535 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,535 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,536 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,537 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,537 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,538 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,538 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,539 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,539 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,540 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,540 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,540 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,541 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,541 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,542 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,545 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,545 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,545 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,546 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,546 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,546 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,546 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,547 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,548 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,548 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,548 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,549 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,551 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 12:28:02,553 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 12:28:02,553 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,553 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 12:28:02,555 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 12:28:02,556 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 12:28:02,598 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 12:28:02,599 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_4 [2022-12-13 12:28:02,600 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 12:28:02,600 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 12:28:02,600 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 12:28:02,601 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 12:28:02,601 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 12:28:02,602 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 12:28:02,602 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 12:28:02,602 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 12:28:02,602 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_5 [2022-12-13 12:28:02,603 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_5 [2022-12-13 12:28:02,603 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-13 12:28:02,605 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 12:28:02,606 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 12:28:02,607 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 12:28:02,607 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 12:28:02,607 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 12:28:02,607 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 12:28:02,608 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 12:28:02,608 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 12:28:02,608 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 12:28:02,613 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_7322b011-f470-4521-96c0-6141f23356e2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i[386204,386217] [2022-12-13 12:28:02,642 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-13 12:28:02,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:28:02,701 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:28:02,759 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 12:28:02,760 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 12:28:02,760 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 12:28:02,760 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 12:28:02,762 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 12:28:02,762 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 12:28:02,762 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 12:28:02,763 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 12:28:02,763 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 12:28:02,763 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 12:28:02,764 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 12:28:02,765 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-13 12:28:02,767 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-12-13 12:28:02,768 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-13 12:28:02,769 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-12-13 12:28:02,772 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 12:28:02,773 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 12:28:02,773 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 12:28:02,774 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 12:28:02,777 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:28:02,794 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 12:28:02,795 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 12:28:02,796 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-13 12:28:02,801 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,801 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,802 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,802 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,802 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,802 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,802 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,803 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,803 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,803 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,803 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,804 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,804 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,805 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,805 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:28:02,806 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:28:02,806 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-13 12:28:02,808 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 12:28:02,809 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,809 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,810 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 12:28:02,812 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:28:02,812 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,813 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,813 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,813 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,814 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,814 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,814 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,815 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,815 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,815 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,816 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,816 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,818 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,818 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,819 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,821 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,824 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,824 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-13 12:28:02,825 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,828 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,828 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 12:28:02,828 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 12:28:02,835 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,840 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-13 12:28:02,845 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 12:28:02,845 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 12:28:02,847 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 12:28:02,848 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 12:28:02,848 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 12:28:02,848 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 12:28:02,849 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 12:28:02,883 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,885 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,887 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,888 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,888 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,888 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,889 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,889 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,889 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,889 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,902 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 12:28:02,902 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 12:28:02,910 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,912 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-13 12:28:02,913 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,920 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 12:28:02,920 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 12:28:02,923 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,924 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,924 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,925 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,926 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,929 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,929 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,963 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,963 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,964 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,964 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,965 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,966 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,967 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,971 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,972 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,972 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,972 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,973 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,973 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,973 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,973 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,974 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,974 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,977 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,978 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:28:02,979 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,979 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,980 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,980 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,981 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,981 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,982 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,982 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,983 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,983 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,984 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,984 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,985 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,985 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:28:02,986 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,987 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,987 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,987 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,987 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,988 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,988 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,988 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,989 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,989 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,989 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,990 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,990 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,990 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,991 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,991 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,991 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,992 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,993 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,993 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,994 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,994 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,994 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,995 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,995 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,996 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,996 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,996 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:02,997 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:03,000 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:03,000 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:03,000 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:03,001 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:03,001 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:03,001 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:03,001 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:03,002 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:03,002 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:03,003 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:03,003 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:03,004 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:03,005 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 12:28:03,007 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 12:28:03,007 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:28:03,007 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 12:28:03,008 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 12:28:03,009 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 12:28:03,017 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 12:28:03,018 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_4 [2022-12-13 12:28:03,019 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 12:28:03,019 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 12:28:03,019 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 12:28:03,020 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 12:28:03,020 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 12:28:03,021 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 12:28:03,021 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 12:28:03,021 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 12:28:03,022 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_5 [2022-12-13 12:28:03,022 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_5 [2022-12-13 12:28:03,022 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-13 12:28:03,024 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 12:28:03,025 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 12:28:03,025 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 12:28:03,026 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 12:28:03,026 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 12:28:03,026 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 12:28:03,026 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 12:28:03,027 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 12:28:03,027 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 12:28:03,027 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_7322b011-f470-4521-96c0-6141f23356e2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i[386204,386217] [2022-12-13 12:28:03,028 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-13 12:28:03,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:28:03,103 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:28:03,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:28:03 WrapperNode [2022-12-13 12:28:03,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:28:03,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:28:03,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:28:03,104 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:28:03,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:28:03" (1/1) ... [2022-12-13 12:28:03,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:28:03" (1/1) ... [2022-12-13 12:28:03,278 INFO L138 Inliner]: procedures = 333, calls = 3698, calls flagged for inlining = 139, calls inlined = 136, statements flattened = 6857 [2022-12-13 12:28:03,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:28:03,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:28:03,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:28:03,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:28:03,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:28:03" (1/1) ... [2022-12-13 12:28:03,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:28:03" (1/1) ... [2022-12-13 12:28:03,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:28:03" (1/1) ... [2022-12-13 12:28:03,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:28:03" (1/1) ... [2022-12-13 12:28:03,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:28:03" (1/1) ... [2022-12-13 12:28:03,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:28:03" (1/1) ... [2022-12-13 12:28:03,531 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:28:03" (1/1) ... [2022-12-13 12:28:03,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:28:03" (1/1) ... [2022-12-13 12:28:03,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:28:03,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:28:03,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:28:03,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:28:03,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:28:03" (1/1) ... [2022-12-13 12:28:03,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:28:03,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322b011-f470-4521-96c0-6141f23356e2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:28:03,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322b011-f470-4521-96c0-6141f23356e2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:28:03,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322b011-f470-4521-96c0-6141f23356e2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:28:03,658 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2022-12-13 12:28:03,658 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2022-12-13 12:28:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-12-13 12:28:03,659 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-12-13 12:28:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2022-12-13 12:28:03,659 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2022-12-13 12:28:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 12:28:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 12:28:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 12:28:03,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 12:28:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_interrupt [2022-12-13 12:28:03,659 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_interrupt [2022-12-13 12:28:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 12:28:03,659 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 12:28:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2022-12-13 12:28:03,660 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2022-12-13 12:28:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-12-13 12:28:03,660 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-12-13 12:28:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-13 12:28:03,660 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-13 12:28:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2022-12-13 12:28:03,660 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2022-12-13 12:28:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-12-13 12:28:03,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-12-13 12:28:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2022-12-13 12:28:03,660 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2022-12-13 12:28:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 12:28:03,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 12:28:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2022-12-13 12:28:03,661 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2022-12-13 12:28:03,661 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2022-12-13 12:28:03,661 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2022-12-13 12:28:03,661 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-12-13 12:28:03,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-12-13 12:28:03,661 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2022-12-13 12:28:03,661 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2022-12-13 12:28:03,661 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2022-12-13 12:28:03,661 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2022-12-13 12:28:03,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 12:28:03,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 12:28:03,661 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2022-12-13 12:28:03,661 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2022-12-13 12:28:03,661 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2022-12-13 12:28:03,662 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2022-12-13 12:28:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2022-12-13 12:28:03,662 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2022-12-13 12:28:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-13 12:28:03,662 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-13 12:28:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2022-12-13 12:28:03,662 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2022-12-13 12:28:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2022-12-13 12:28:03,662 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2022-12-13 12:28:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2022-12-13 12:28:03,662 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2022-12-13 12:28:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 12:28:03,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 12:28:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2022-12-13 12:28:03,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2022-12-13 12:28:03,663 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-12-13 12:28:03,663 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-12-13 12:28:03,663 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 12:28:03,663 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 12:28:03,663 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-13 12:28:03,663 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-13 12:28:03,663 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2022-12-13 12:28:03,663 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2022-12-13 12:28:03,663 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-12-13 12:28:03,663 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-12-13 12:28:03,663 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 12:28:03,663 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 12:28:03,663 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2022-12-13 12:28:03,664 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2022-12-13 12:28:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2022-12-13 12:28:03,664 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2022-12-13 12:28:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2022-12-13 12:28:03,664 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2022-12-13 12:28:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2022-12-13 12:28:03,664 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2022-12-13 12:28:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2022-12-13 12:28:03,664 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2022-12-13 12:28:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-12-13 12:28:03,664 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-12-13 12:28:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:28:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2022-12-13 12:28:03,664 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2022-12-13 12:28:03,665 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-12-13 12:28:03,665 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-12-13 12:28:03,665 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-13 12:28:03,665 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2022-12-13 12:28:03,665 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2022-12-13 12:28:03,665 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2022-12-13 12:28:03,665 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2022-12-13 12:28:03,665 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2022-12-13 12:28:03,665 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2022-12-13 12:28:03,665 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2022-12-13 12:28:03,665 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2022-12-13 12:28:03,665 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-12-13 12:28:03,685 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-12-13 12:28:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2022-12-13 12:28:03,685 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2022-12-13 12:28:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 12:28:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2022-12-13 12:28:03,685 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2022-12-13 12:28:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-12-13 12:28:03,685 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-12-13 12:28:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-13 12:28:03,685 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-13 12:28:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-12-13 12:28:03,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-12-13 12:28:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 12:28:03,686 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 12:28:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-12-13 12:28:03,686 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-12-13 12:28:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-12-13 12:28:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2022-12-13 12:28:03,686 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2022-12-13 12:28:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:28:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2022-12-13 12:28:03,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2022-12-13 12:28:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-12-13 12:28:03,686 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-12-13 12:28:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 12:28:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2022-12-13 12:28:03,687 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2022-12-13 12:28:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-12-13 12:28:03,687 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-12-13 12:28:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-12-13 12:28:03,687 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-12-13 12:28:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2022-12-13 12:28:03,687 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2022-12-13 12:28:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-12-13 12:28:03,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-12-13 12:28:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2022-12-13 12:28:03,687 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2022-12-13 12:28:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-12-13 12:28:03,688 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-12-13 12:28:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-13 12:28:03,688 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-13 12:28:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-12-13 12:28:03,688 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-12-13 12:28:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2022-12-13 12:28:03,688 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2022-12-13 12:28:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2022-12-13 12:28:03,688 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2022-12-13 12:28:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-13 12:28:03,688 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-13 12:28:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-13 12:28:03,688 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-13 12:28:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-12-13 12:28:03,689 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-12-13 12:28:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2022-12-13 12:28:03,689 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2022-12-13 12:28:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 12:28:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2022-12-13 12:28:03,689 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2022-12-13 12:28:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2022-12-13 12:28:03,689 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2022-12-13 12:28:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2022-12-13 12:28:03,689 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2022-12-13 12:28:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-13 12:28:03,689 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-13 12:28:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-13 12:28:03,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-13 12:28:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-12-13 12:28:03,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-12-13 12:28:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2022-12-13 12:28:03,690 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2022-12-13 12:28:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 12:28:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-12-13 12:28:03,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-12-13 12:28:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-12-13 12:28:03,690 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-12-13 12:28:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 12:28:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-13 12:28:03,690 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-13 12:28:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-13 12:28:03,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-13 12:28:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-12-13 12:28:03,691 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-12-13 12:28:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 12:28:03,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 12:28:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2022-12-13 12:28:03,691 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2022-12-13 12:28:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2022-12-13 12:28:03,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2022-12-13 12:28:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-13 12:28:03,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-13 12:28:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-12-13 12:28:03,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-12-13 12:28:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2022-12-13 12:28:03,692 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2022-12-13 12:28:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:28:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2022-12-13 12:28:03,692 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2022-12-13 12:28:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-13 12:28:03,692 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-13 12:28:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-13 12:28:03,692 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-13 12:28:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 12:28:03,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 12:28:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2022-12-13 12:28:03,692 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2022-12-13 12:28:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-13 12:28:03,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-13 12:28:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2022-12-13 12:28:03,693 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2022-12-13 12:28:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-12-13 12:28:03,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-12-13 12:28:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2022-12-13 12:28:03,693 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2022-12-13 12:28:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 12:28:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-12-13 12:28:03,693 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-12-13 12:28:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2022-12-13 12:28:03,693 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2022-12-13 12:28:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-13 12:28:03,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-13 12:28:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2022-12-13 12:28:03,694 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2022-12-13 12:28:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-13 12:28:03,694 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-13 12:28:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:28:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2022-12-13 12:28:03,694 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2022-12-13 12:28:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2022-12-13 12:28:03,694 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2022-12-13 12:28:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-13 12:28:03,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-13 12:28:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 12:28:03,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-12-13 12:28:03,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-12-13 12:28:03,695 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2022-12-13 12:28:03,695 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2022-12-13 12:28:03,695 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-12-13 12:28:03,695 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-12-13 12:28:03,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-12-13 12:28:03,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-12-13 12:28:03,695 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-13 12:28:03,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-13 12:28:03,695 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2022-12-13 12:28:03,695 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2022-12-13 12:28:03,695 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2022-12-13 12:28:03,695 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2022-12-13 12:28:03,696 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2022-12-13 12:28:03,696 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2022-12-13 12:28:03,696 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2022-12-13 12:28:03,696 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2022-12-13 12:28:03,696 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2022-12-13 12:28:03,696 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2022-12-13 12:28:03,696 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2022-12-13 12:28:03,696 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2022-12-13 12:28:03,696 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2022-12-13 12:28:03,696 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2022-12-13 12:28:03,696 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2022-12-13 12:28:03,696 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2022-12-13 12:28:03,696 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2022-12-13 12:28:03,697 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2022-12-13 12:28:03,697 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2022-12-13 12:28:03,697 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2022-12-13 12:28:03,697 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2022-12-13 12:28:03,697 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2022-12-13 12:28:03,697 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2022-12-13 12:28:03,697 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2022-12-13 12:28:03,697 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2022-12-13 12:28:03,697 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2022-12-13 12:28:03,697 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2022-12-13 12:28:03,697 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2022-12-13 12:28:03,697 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-12-13 12:28:03,697 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-12-13 12:28:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-12-13 12:28:03,698 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-12-13 12:28:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2022-12-13 12:28:03,698 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2022-12-13 12:28:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-12-13 12:28:03,698 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-12-13 12:28:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2022-12-13 12:28:03,698 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2022-12-13 12:28:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2022-12-13 12:28:03,698 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2022-12-13 12:28:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2022-12-13 12:28:03,698 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2022-12-13 12:28:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:28:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2022-12-13 12:28:03,699 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2022-12-13 12:28:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2022-12-13 12:28:03,699 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2022-12-13 12:28:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-12-13 12:28:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:28:03,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:28:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2022-12-13 12:28:03,699 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2022-12-13 12:28:04,395 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:28:04,399 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:28:04,776 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 12:28:18,763 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:28:18,789 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:28:18,789 INFO L300 CfgBuilder]: Removed 18 assume(true) statements. [2022-12-13 12:28:18,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:28:18 BoogieIcfgContainer [2022-12-13 12:28:18,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:28:18,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:28:18,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:28:18,801 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:28:18,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:28:00" (1/3) ... [2022-12-13 12:28:18,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ab255ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:28:18, skipping insertion in model container [2022-12-13 12:28:18,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:28:03" (2/3) ... [2022-12-13 12:28:18,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ab255ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:28:18, skipping insertion in model container [2022-12-13 12:28:18,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:28:18" (3/3) ... [2022-12-13 12:28:18,804 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2022-12-13 12:28:18,822 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:28:18,822 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 12:28:18,925 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:28:18,931 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;@6a20b059, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:28:18,932 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 12:28:18,945 INFO L276 IsEmpty]: Start isEmpty. Operand has 3456 states, 2481 states have (on average 1.3933897621926643) internal successors, (3457), 2543 states have internal predecessors, (3457), 854 states have call successors, (854), 136 states have call predecessors, (854), 135 states have return successors, (846), 835 states have call predecessors, (846), 846 states have call successors, (846) [2022-12-13 12:28:18,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-12-13 12:28:18,965 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:28:18,966 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-13 12:28:18,966 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:28:18,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:28:18,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1311695749, now seen corresponding path program 1 times [2022-12-13 12:28:18,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:28:18,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724321847] [2022-12-13 12:28:18,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:28:18,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:28:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:19,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:28:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:19,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:28:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:19,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:28:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:19,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 12:28:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:19,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:28:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:19,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:28:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:19,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 12:28:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:19,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:28:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:19,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:28:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:19,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 12:28:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:19,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:28:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:19,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:28:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:19,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 12:28:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:19,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:28:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:19,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 12:28:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:19,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:28:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:19,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 12:28:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:19,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 12:28:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:19,583 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-12-13 12:28:19,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:28:19,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724321847] [2022-12-13 12:28:19,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724321847] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:28:19,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:28:19,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 12:28:19,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683636465] [2022-12-13 12:28:19,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:28:19,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 12:28:19,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:28:19,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:28:19,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:28:19,623 INFO L87 Difference]: Start difference. First operand has 3456 states, 2481 states have (on average 1.3933897621926643) internal successors, (3457), 2543 states have internal predecessors, (3457), 854 states have call successors, (854), 136 states have call predecessors, (854), 135 states have return successors, (846), 835 states have call predecessors, (846), 846 states have call successors, (846) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 12:28:21,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:28:23,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:28:32,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:28:32,233 INFO L93 Difference]: Finished difference Result 7424 states and 11322 transitions. [2022-12-13 12:28:32,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:28:32,235 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 126 [2022-12-13 12:28:32,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:28:32,277 INFO L225 Difference]: With dead ends: 7424 [2022-12-13 12:28:32,277 INFO L226 Difference]: Without dead ends: 3952 [2022-12-13 12:28:32,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:28:32,305 INFO L413 NwaCegarLoop]: 3110 mSDtfsCounter, 3517 mSDsluCounter, 2965 mSDsCounter, 0 mSdLazyCounter, 4565 mSolverCounterSat, 2736 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3538 SdHoareTripleChecker+Valid, 6075 SdHoareTripleChecker+Invalid, 7302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2736 IncrementalHoareTripleChecker+Valid, 4565 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:28:32,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3538 Valid, 6075 Invalid, 7302 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2736 Valid, 4565 Invalid, 1 Unknown, 0 Unchecked, 12.1s Time] [2022-12-13 12:28:32,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2022-12-13 12:28:32,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3387. [2022-12-13 12:28:32,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3387 states, 2422 states have (on average 1.388934764657308) internal successors, (3364), 2461 states have internal predecessors, (3364), 830 states have call successors, (830), 135 states have call predecessors, (830), 134 states have return successors, (829), 818 states have call predecessors, (829), 829 states have call successors, (829) [2022-12-13 12:28:32,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3387 states to 3387 states and 5023 transitions. [2022-12-13 12:28:32,543 INFO L78 Accepts]: Start accepts. Automaton has 3387 states and 5023 transitions. Word has length 126 [2022-12-13 12:28:32,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:28:32,543 INFO L495 AbstractCegarLoop]: Abstraction has 3387 states and 5023 transitions. [2022-12-13 12:28:32,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 12:28:32,543 INFO L276 IsEmpty]: Start isEmpty. Operand 3387 states and 5023 transitions. [2022-12-13 12:28:32,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-12-13 12:28:32,550 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:28:32,550 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-13 12:28:32,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:28:32,550 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:28:32,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:28:32,551 INFO L85 PathProgramCache]: Analyzing trace with hash 85404045, now seen corresponding path program 1 times [2022-12-13 12:28:32,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:28:32,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813330221] [2022-12-13 12:28:32,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:28:32,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:28:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:32,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:28:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:32,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:28:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:32,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:28:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:32,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 12:28:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:32,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:28:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:32,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:28:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:32,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 12:28:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:32,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:28:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:32,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:28:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:32,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 12:28:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:32,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:28:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:32,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:28:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:32,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 12:28:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:32,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:28:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:32,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 12:28:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:32,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:28:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:32,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 12:28:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:32,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 12:28:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:32,967 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-12-13 12:28:32,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:28:32,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813330221] [2022-12-13 12:28:32,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813330221] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:28:32,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:28:32,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:28:32,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585481208] [2022-12-13 12:28:32,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:28:32,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:28:32,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:28:32,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:28:32,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:28:32,970 INFO L87 Difference]: Start difference. First operand 3387 states and 5023 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 12:28:35,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:28:49,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:28:49,986 INFO L93 Difference]: Finished difference Result 10982 states and 16451 transitions. [2022-12-13 12:28:49,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:28:49,987 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 126 [2022-12-13 12:28:49,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:28:50,018 INFO L225 Difference]: With dead ends: 10982 [2022-12-13 12:28:50,019 INFO L226 Difference]: Without dead ends: 7615 [2022-12-13 12:28:50,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-12-13 12:28:50,032 INFO L413 NwaCegarLoop]: 3705 mSDtfsCounter, 10612 mSDsluCounter, 6014 mSDsCounter, 0 mSdLazyCounter, 8878 mSolverCounterSat, 5986 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10951 SdHoareTripleChecker+Valid, 9719 SdHoareTripleChecker+Invalid, 14865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5986 IncrementalHoareTripleChecker+Valid, 8878 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2022-12-13 12:28:50,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10951 Valid, 9719 Invalid, 14865 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5986 Valid, 8878 Invalid, 1 Unknown, 0 Unchecked, 16.4s Time] [2022-12-13 12:28:50,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7615 states. [2022-12-13 12:28:50,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7615 to 6486. [2022-12-13 12:28:50,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6486 states, 4648 states have (on average 1.3898450946643717) internal successors, (6460), 4725 states have internal predecessors, (6460), 1578 states have call successors, (1578), 260 states have call predecessors, (1578), 259 states have return successors, (1577), 1555 states have call predecessors, (1577), 1577 states have call successors, (1577) [2022-12-13 12:28:50,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6486 states to 6486 states and 9615 transitions. [2022-12-13 12:28:50,295 INFO L78 Accepts]: Start accepts. Automaton has 6486 states and 9615 transitions. Word has length 126 [2022-12-13 12:28:50,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:28:50,295 INFO L495 AbstractCegarLoop]: Abstraction has 6486 states and 9615 transitions. [2022-12-13 12:28:50,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 12:28:50,296 INFO L276 IsEmpty]: Start isEmpty. Operand 6486 states and 9615 transitions. [2022-12-13 12:28:50,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-12-13 12:28:50,298 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:28:50,299 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:28:50,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 12:28:50,299 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:28:50,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:28:50,299 INFO L85 PathProgramCache]: Analyzing trace with hash 574976697, now seen corresponding path program 1 times [2022-12-13 12:28:50,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:28:50,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870725953] [2022-12-13 12:28:50,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:28:50,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:28:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:50,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:28:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:50,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:28:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:50,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:28:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:50,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 12:28:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:50,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:28:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:50,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:28:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:50,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 12:28:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:50,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:28:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:50,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:28:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:50,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 12:28:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:50,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:28:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:50,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:28:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:50,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 12:28:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:50,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:28:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:50,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 12:28:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:50,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:28:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:50,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 12:28:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:50,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 12:28:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:50,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 12:28:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:50,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 12:28:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:50,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 12:28:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:50,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 12:28:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:50,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 12:28:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:50,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 12:28:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:50,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 12:28:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:50,983 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-12-13 12:28:50,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:28:50,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870725953] [2022-12-13 12:28:50,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870725953] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:28:50,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:28:50,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 12:28:50,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626226105] [2022-12-13 12:28:50,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:28:50,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 12:28:50,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:28:50,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 12:28:50,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 12:28:50,986 INFO L87 Difference]: Start difference. First operand 6486 states and 9615 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 12:28:52,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:28:54,695 WARN L539 Checker$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 12:28:56,698 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 12:29:21,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:29:21,012 INFO L93 Difference]: Finished difference Result 22645 states and 33974 transitions. [2022-12-13 12:29:21,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 12:29:21,012 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 174 [2022-12-13 12:29:21,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:29:21,122 INFO L225 Difference]: With dead ends: 22645 [2022-12-13 12:29:21,123 INFO L226 Difference]: Without dead ends: 16179 [2022-12-13 12:29:21,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 12:29:21,164 INFO L413 NwaCegarLoop]: 2895 mSDtfsCounter, 16459 mSDsluCounter, 11993 mSDsCounter, 0 mSdLazyCounter, 22379 mSolverCounterSat, 10122 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16892 SdHoareTripleChecker+Valid, 14888 SdHoareTripleChecker+Invalid, 32503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10122 IncrementalHoareTripleChecker+Valid, 22379 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.9s IncrementalHoareTripleChecker+Time [2022-12-13 12:29:21,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16892 Valid, 14888 Invalid, 32503 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10122 Valid, 22379 Invalid, 2 Unknown, 0 Unchecked, 28.9s Time] [2022-12-13 12:29:21,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16179 states. [2022-12-13 12:29:21,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16179 to 12951. [2022-12-13 12:29:22,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12951 states, 9283 states have (on average 1.3903910373801573) internal successors, (12907), 9445 states have internal predecessors, (12907), 3148 states have call successors, (3148), 520 states have call predecessors, (3148), 519 states have return successors, (3147), 3095 states have call predecessors, (3147), 3147 states have call successors, (3147) [2022-12-13 12:29:22,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12951 states to 12951 states and 19202 transitions. [2022-12-13 12:29:22,090 INFO L78 Accepts]: Start accepts. Automaton has 12951 states and 19202 transitions. Word has length 174 [2022-12-13 12:29:22,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:29:22,091 INFO L495 AbstractCegarLoop]: Abstraction has 12951 states and 19202 transitions. [2022-12-13 12:29:22,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 12:29:22,091 INFO L276 IsEmpty]: Start isEmpty. Operand 12951 states and 19202 transitions. [2022-12-13 12:29:22,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-12-13 12:29:22,096 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:29:22,096 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:22,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 12:29:22,096 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:29:22,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:29:22,097 INFO L85 PathProgramCache]: Analyzing trace with hash -497563293, now seen corresponding path program 1 times [2022-12-13 12:29:22,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:29:22,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231165545] [2022-12-13 12:29:22,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:29:22,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:29:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:22,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:29:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:22,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:22,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:29:22,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:22,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 12:29:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:22,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:22,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:29:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:22,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 12:29:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:22,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:22,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:29:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:22,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 12:29:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:22,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:22,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:29:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:22,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 12:29:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:22,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:22,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 12:29:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:22,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:22,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 12:29:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:22,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 12:29:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:22,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 12:29:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:22,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 12:29:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:22,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 12:29:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:22,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 12:29:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:22,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 12:29:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:22,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 12:29:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:22,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-12-13 12:29:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:22,590 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-12-13 12:29:22,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:29:22,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231165545] [2022-12-13 12:29:22,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231165545] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:29:22,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:29:22,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 12:29:22,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746617178] [2022-12-13 12:29:22,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:29:22,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 12:29:22,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:29:22,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 12:29:22,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 12:29:22,593 INFO L87 Difference]: Start difference. First operand 12951 states and 19202 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 12:29:24,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:29:26,629 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 12:29:49,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:29:49,081 INFO L93 Difference]: Finished difference Result 45244 states and 69433 transitions. [2022-12-13 12:29:49,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 12:29:49,081 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 171 [2022-12-13 12:29:49,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:29:49,214 INFO L225 Difference]: With dead ends: 45244 [2022-12-13 12:29:49,214 INFO L226 Difference]: Without dead ends: 32313 [2022-12-13 12:29:49,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 12:29:49,264 INFO L413 NwaCegarLoop]: 2937 mSDtfsCounter, 19972 mSDsluCounter, 9859 mSDsCounter, 0 mSdLazyCounter, 18215 mSolverCounterSat, 13033 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20399 SdHoareTripleChecker+Valid, 12796 SdHoareTripleChecker+Invalid, 31250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13033 IncrementalHoareTripleChecker+Valid, 18215 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.9s IncrementalHoareTripleChecker+Time [2022-12-13 12:29:49,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20399 Valid, 12796 Invalid, 31250 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13033 Valid, 18215 Invalid, 2 Unknown, 0 Unchecked, 24.9s Time] [2022-12-13 12:29:49,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32313 states. [2022-12-13 12:29:50,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32313 to 28071. [2022-12-13 12:29:50,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28071 states, 20269 states have (on average 1.3690364596181361) internal successors, (27749), 20189 states have internal predecessors, (27749), 6480 states have call successors, (6480), 1042 states have call predecessors, (6480), 1321 states have return successors, (8271), 7039 states have call predecessors, (8271), 6479 states have call successors, (8271) [2022-12-13 12:29:50,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28071 states to 28071 states and 42500 transitions. [2022-12-13 12:29:50,615 INFO L78 Accepts]: Start accepts. Automaton has 28071 states and 42500 transitions. Word has length 171 [2022-12-13 12:29:50,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:29:50,616 INFO L495 AbstractCegarLoop]: Abstraction has 28071 states and 42500 transitions. [2022-12-13 12:29:50,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 12:29:50,616 INFO L276 IsEmpty]: Start isEmpty. Operand 28071 states and 42500 transitions. [2022-12-13 12:29:50,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-12-13 12:29:50,622 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:29:50,623 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:50,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 12:29:50,623 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:29:50,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:29:50,623 INFO L85 PathProgramCache]: Analyzing trace with hash 751107201, now seen corresponding path program 1 times [2022-12-13 12:29:50,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:29:50,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530694762] [2022-12-13 12:29:50,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:29:50,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:29:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:50,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:29:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:50,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:50,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:29:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:50,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 12:29:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:50,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:50,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:29:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:50,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 12:29:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:50,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:51,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:29:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:51,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 12:29:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:51,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:51,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:29:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:51,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 12:29:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:51,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:51,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 12:29:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:51,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:29:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:51,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:29:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:51,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 12:29:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:51,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:29:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:51,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 12:29:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:51,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:29:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:51,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 12:29:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:51,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 12:29:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:51,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 12:29:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:51,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 12:29:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:51,139 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-12-13 12:29:51,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:29:51,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530694762] [2022-12-13 12:29:51,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530694762] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:29:51,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:29:51,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 12:29:51,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550669544] [2022-12-13 12:29:51,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:29:51,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 12:29:51,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:29:51,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 12:29:51,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 12:29:51,141 INFO L87 Difference]: Start difference. First operand 28071 states and 42500 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 12:29:52,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:29:54,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:29:56,533 WARN L539 Checker$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 12:30:20,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:30:20,847 INFO L93 Difference]: Finished difference Result 92648 states and 145357 transitions. [2022-12-13 12:30:20,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 12:30:20,848 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 172 [2022-12-13 12:30:20,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:30:21,210 INFO L225 Difference]: With dead ends: 92648 [2022-12-13 12:30:21,210 INFO L226 Difference]: Without dead ends: 64597 [2022-12-13 12:30:21,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 12:30:21,322 INFO L413 NwaCegarLoop]: 2793 mSDtfsCounter, 16841 mSDsluCounter, 10662 mSDsCounter, 0 mSdLazyCounter, 19714 mSolverCounterSat, 10431 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17266 SdHoareTripleChecker+Valid, 13455 SdHoareTripleChecker+Invalid, 30146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10431 IncrementalHoareTripleChecker+Valid, 19714 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.8s IncrementalHoareTripleChecker+Time [2022-12-13 12:30:21,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17266 Valid, 13455 Invalid, 30146 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10431 Valid, 19714 Invalid, 1 Unknown, 0 Unchecked, 26.8s Time] [2022-12-13 12:30:21,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64597 states. [2022-12-13 12:30:23,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64597 to 57079. [2022-12-13 12:30:24,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57079 states, 41273 states have (on average 1.3642090470767814) internal successors, (56305), 40893 states have internal predecessors, (56305), 13068 states have call successors, (13068), 2086 states have call predecessors, (13068), 2737 states have return successors, (18853), 14503 states have call predecessors, (18853), 13067 states have call successors, (18853) [2022-12-13 12:30:24,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57079 states to 57079 states and 88226 transitions. [2022-12-13 12:30:24,358 INFO L78 Accepts]: Start accepts. Automaton has 57079 states and 88226 transitions. Word has length 172 [2022-12-13 12:30:24,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:30:24,359 INFO L495 AbstractCegarLoop]: Abstraction has 57079 states and 88226 transitions. [2022-12-13 12:30:24,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 12:30:24,359 INFO L276 IsEmpty]: Start isEmpty. Operand 57079 states and 88226 transitions. [2022-12-13 12:30:24,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-12-13 12:30:24,363 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:30:24,363 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:24,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 12:30:24,363 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:30:24,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:30:24,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1364760766, now seen corresponding path program 1 times [2022-12-13 12:30:24,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:30:24,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687974166] [2022-12-13 12:30:24,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:30:24,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:30:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:24,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:30:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:24,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:30:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:24,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:30:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:24,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 12:30:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:24,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:30:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:24,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:30:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:24,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 12:30:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:24,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:30:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:24,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:30:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:24,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 12:30:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:24,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:30:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:24,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:30:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:24,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 12:30:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:24,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:30:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:24,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 12:30:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:24,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:30:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:24,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:30:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:24,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-12-13 12:30:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:24,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 12:30:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:24,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 12:30:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:24,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 12:30:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:24,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:30:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:24,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 12:30:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:24,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 12:30:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:24,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-12-13 12:30:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:25,003 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-12-13 12:30:25,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:30:25,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687974166] [2022-12-13 12:30:25,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687974166] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:30:25,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:30:25,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 12:30:25,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762702257] [2022-12-13 12:30:25,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:30:25,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 12:30:25,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:30:25,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 12:30:25,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 12:30:25,005 INFO L87 Difference]: Start difference. First operand 57079 states and 88226 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 12:30:27,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:30:29,045 WARN L539 Checker$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 12:30:43,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:30:43,138 INFO L93 Difference]: Finished difference Result 96849 states and 150332 transitions. [2022-12-13 12:30:43,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 12:30:43,139 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 175 [2022-12-13 12:30:43,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:30:43,432 INFO L225 Difference]: With dead ends: 96849 [2022-12-13 12:30:43,432 INFO L226 Difference]: Without dead ends: 64650 [2022-12-13 12:30:43,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2022-12-13 12:30:43,551 INFO L413 NwaCegarLoop]: 2535 mSDtfsCounter, 12432 mSDsluCounter, 6969 mSDsCounter, 0 mSdLazyCounter, 10695 mSolverCounterSat, 7498 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12664 SdHoareTripleChecker+Valid, 9504 SdHoareTripleChecker+Invalid, 18195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7498 IncrementalHoareTripleChecker+Valid, 10695 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-12-13 12:30:43,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12664 Valid, 9504 Invalid, 18195 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7498 Valid, 10695 Invalid, 2 Unknown, 0 Unchecked, 15.3s Time] [2022-12-13 12:30:43,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64650 states. [2022-12-13 12:30:46,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64650 to 57111. [2022-12-13 12:30:46,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57111 states, 41305 states have (on average 1.363926885364968) internal successors, (56337), 40917 states have internal predecessors, (56337), 13060 states have call successors, (13060), 2094 states have call predecessors, (13060), 2745 states have return successors, (18845), 14503 states have call predecessors, (18845), 13059 states have call successors, (18845) [2022-12-13 12:30:46,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57111 states to 57111 states and 88242 transitions. [2022-12-13 12:30:46,731 INFO L78 Accepts]: Start accepts. Automaton has 57111 states and 88242 transitions. Word has length 175 [2022-12-13 12:30:46,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:30:46,731 INFO L495 AbstractCegarLoop]: Abstraction has 57111 states and 88242 transitions. [2022-12-13 12:30:46,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 12:30:46,731 INFO L276 IsEmpty]: Start isEmpty. Operand 57111 states and 88242 transitions. [2022-12-13 12:30:46,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-12-13 12:30:46,736 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:30:46,736 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:46,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 12:30:46,736 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:30:46,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:30:46,737 INFO L85 PathProgramCache]: Analyzing trace with hash 757569782, now seen corresponding path program 1 times [2022-12-13 12:30:46,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:30:46,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656405614] [2022-12-13 12:30:46,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:30:46,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:30:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:47,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:30:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:47,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:30:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:47,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:30:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:47,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 12:30:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:47,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:30:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:47,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:30:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:47,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 12:30:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:47,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:30:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:47,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:30:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:47,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 12:30:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:47,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:30:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:47,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:30:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:47,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 12:30:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:47,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:30:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:47,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 12:30:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:47,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:30:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:47,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 12:30:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:47,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 12:30:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:47,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 12:30:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:47,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 12:30:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:47,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 12:30:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:47,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 12:30:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:47,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 12:30:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:47,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 12:30:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:47,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-12-13 12:30:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:30:47,222 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-12-13 12:30:47,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:30:47,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656405614] [2022-12-13 12:30:47,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656405614] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:30:47,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:30:47,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 12:30:47,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200874462] [2022-12-13 12:30:47,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:30:47,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 12:30:47,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:30:47,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 12:30:47,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 12:30:47,224 INFO L87 Difference]: Start difference. First operand 57111 states and 88242 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 12:30:48,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:30:50,912 WARN L539 Checker$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 12:30:52,915 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 12:31:09,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:31:09,619 INFO L93 Difference]: Finished difference Result 96921 states and 150332 transitions. [2022-12-13 12:31:09,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 12:31:09,620 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 176 [2022-12-13 12:31:09,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:31:09,909 INFO L225 Difference]: With dead ends: 96921 [2022-12-13 12:31:09,909 INFO L226 Difference]: Without dead ends: 64682 [2022-12-13 12:31:10,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2022-12-13 12:31:10,031 INFO L413 NwaCegarLoop]: 2522 mSDtfsCounter, 10689 mSDsluCounter, 7881 mSDsCounter, 0 mSdLazyCounter, 12418 mSolverCounterSat, 6092 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10922 SdHoareTripleChecker+Valid, 10403 SdHoareTripleChecker+Invalid, 18512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6092 IncrementalHoareTripleChecker+Valid, 12418 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:31:10,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10922 Valid, 10403 Invalid, 18512 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6092 Valid, 12418 Invalid, 2 Unknown, 0 Unchecked, 19.1s Time] [2022-12-13 12:31:10,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64682 states. [2022-12-13 12:31:12,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64682 to 57143. [2022-12-13 12:31:12,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57143 states, 41337 states have (on average 1.3636451605099547) internal successors, (56369), 40941 states have internal predecessors, (56369), 13052 states have call successors, (13052), 2102 states have call predecessors, (13052), 2753 states have return successors, (18837), 14503 states have call predecessors, (18837), 13051 states have call successors, (18837) [2022-12-13 12:31:13,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57143 states to 57143 states and 88258 transitions. [2022-12-13 12:31:13,145 INFO L78 Accepts]: Start accepts. Automaton has 57143 states and 88258 transitions. Word has length 176 [2022-12-13 12:31:13,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:31:13,145 INFO L495 AbstractCegarLoop]: Abstraction has 57143 states and 88258 transitions. [2022-12-13 12:31:13,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 12:31:13,145 INFO L276 IsEmpty]: Start isEmpty. Operand 57143 states and 88258 transitions. [2022-12-13 12:31:13,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-12-13 12:31:13,149 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:31:13,149 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:13,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 12:31:13,150 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:31:13,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:31:13,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1365130688, now seen corresponding path program 1 times [2022-12-13 12:31:13,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:31:13,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573339457] [2022-12-13 12:31:13,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:31:13,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:31:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:13,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:31:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:13,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:13,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:31:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:13,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 12:31:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:13,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:13,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:31:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:13,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 12:31:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:13,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:13,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:31:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:13,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 12:31:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:13,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:13,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:31:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:13,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 12:31:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:13,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:13,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 12:31:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:13,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:13,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 12:31:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:13,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 12:31:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:13,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 12:31:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:13,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 12:31:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:13,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 12:31:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:13,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 12:31:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:13,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 12:31:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:13,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:31:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:13,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 12:31:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:13,652 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-12-13 12:31:13,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:31:13,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573339457] [2022-12-13 12:31:13,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573339457] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:31:13,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:31:13,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 12:31:13,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982354087] [2022-12-13 12:31:13,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:31:13,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 12:31:13,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:31:13,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 12:31:13,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 12:31:13,655 INFO L87 Difference]: Start difference. First operand 57143 states and 88258 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 12:31:15,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:31:17,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:31:19,699 WARN L539 Checker$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 12:31:50,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:31:50,158 INFO L93 Difference]: Finished difference Result 186444 states and 299367 transitions. [2022-12-13 12:31:50,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 12:31:50,159 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 173 [2022-12-13 12:31:50,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:31:50,874 INFO L225 Difference]: With dead ends: 186444 [2022-12-13 12:31:50,874 INFO L226 Difference]: Without dead ends: 129321 [2022-12-13 12:31:51,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 12:31:51,180 INFO L413 NwaCegarLoop]: 2756 mSDtfsCounter, 16836 mSDsluCounter, 11525 mSDsCounter, 0 mSdLazyCounter, 22000 mSolverCounterSat, 10501 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17259 SdHoareTripleChecker+Valid, 14281 SdHoareTripleChecker+Invalid, 32504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10501 IncrementalHoareTripleChecker+Valid, 22000 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2022-12-13 12:31:51,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17259 Valid, 14281 Invalid, 32504 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10501 Valid, 22000 Invalid, 3 Unknown, 0 Unchecked, 29.9s Time] [2022-12-13 12:31:51,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129321 states. [2022-12-13 12:31:57,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129321 to 115243. [2022-12-13 12:31:57,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115243 states, 83429 states have (on average 1.3611693775545675) internal successors, (113561), 82413 states have internal predecessors, (113561), 26208 states have call successors, (26208), 4210 states have call predecessors, (26208), 5605 states have return successors, (42711), 29431 states have call predecessors, (42711), 26207 states have call successors, (42711) [2022-12-13 12:31:58,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115243 states to 115243 states and 182480 transitions. [2022-12-13 12:31:58,195 INFO L78 Accepts]: Start accepts. Automaton has 115243 states and 182480 transitions. Word has length 173 [2022-12-13 12:31:58,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:31:58,195 INFO L495 AbstractCegarLoop]: Abstraction has 115243 states and 182480 transitions. [2022-12-13 12:31:58,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 12:31:58,195 INFO L276 IsEmpty]: Start isEmpty. Operand 115243 states and 182480 transitions. [2022-12-13 12:31:58,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-12-13 12:31:58,201 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:31:58,201 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:58,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 12:31:58,201 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:31:58,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:31:58,201 INFO L85 PathProgramCache]: Analyzing trace with hash -419346050, now seen corresponding path program 1 times [2022-12-13 12:31:58,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:31:58,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193662881] [2022-12-13 12:31:58,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:31:58,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:31:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:58,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:31:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:58,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:58,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:31:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:58,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 12:31:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:58,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:58,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:31:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:58,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 12:31:58,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:58,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:58,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:31:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:58,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 12:31:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:58,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:58,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:31:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:58,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 12:31:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:58,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:58,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 12:31:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:58,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:58,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 12:31:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:58,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 12:31:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:58,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 12:31:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:58,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 12:31:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:58,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 12:31:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:58,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 12:31:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:58,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 12:31:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:58,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 12:31:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:58,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 12:31:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:58,861 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-12-13 12:31:58,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:31:58,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193662881] [2022-12-13 12:31:58,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193662881] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:31:58,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:31:58,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 12:31:58,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311348709] [2022-12-13 12:31:58,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:31:58,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 12:31:58,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:31:58,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 12:31:58,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 12:31:58,863 INFO L87 Difference]: Start difference. First operand 115243 states and 182480 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 12:32:00,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:32:02,906 WARN L539 Checker$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 12:32:04,909 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 12:32:41,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:32:41,287 INFO L93 Difference]: Finished difference Result 373952 states and 608353 transitions. [2022-12-13 12:32:41,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 12:32:41,288 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 174 [2022-12-13 12:32:41,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:32:43,052 INFO L225 Difference]: With dead ends: 373952 [2022-12-13 12:32:43,052 INFO L226 Difference]: Without dead ends: 258729 [2022-12-13 12:32:43,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 12:32:43,581 INFO L413 NwaCegarLoop]: 2807 mSDtfsCounter, 17041 mSDsluCounter, 10556 mSDsCounter, 0 mSdLazyCounter, 19907 mSolverCounterSat, 10508 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17464 SdHoareTripleChecker+Valid, 13363 SdHoareTripleChecker+Invalid, 30418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10508 IncrementalHoareTripleChecker+Valid, 19907 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:32:43,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17464 Valid, 13363 Invalid, 30418 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10508 Valid, 19907 Invalid, 3 Unknown, 0 Unchecked, 29.0s Time] [2022-12-13 12:32:43,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258729 states. [2022-12-13 12:32:55,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258729 to 231499. [2022-12-13 12:32:55,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231499 states, 167677 states have (on average 1.3600732360431067) internal successors, (228053), 165413 states have internal predecessors, (228053), 52508 states have call successors, (52508), 8430 states have call predecessors, (52508), 11313 states have return successors, (96511), 59283 states have call predecessors, (96511), 52507 states have call successors, (96511) [2022-12-13 12:32:57,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231499 states to 231499 states and 377072 transitions. [2022-12-13 12:32:58,002 INFO L78 Accepts]: Start accepts. Automaton has 231499 states and 377072 transitions. Word has length 174 [2022-12-13 12:32:58,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:32:58,003 INFO L495 AbstractCegarLoop]: Abstraction has 231499 states and 377072 transitions. [2022-12-13 12:32:58,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 12:32:58,003 INFO L276 IsEmpty]: Start isEmpty. Operand 231499 states and 377072 transitions. [2022-12-13 12:32:58,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-12-13 12:32:58,008 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:32:58,008 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:58,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 12:32:58,009 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:32:58,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:32:58,009 INFO L85 PathProgramCache]: Analyzing trace with hash -45010209, now seen corresponding path program 1 times [2022-12-13 12:32:58,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:32:58,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253044991] [2022-12-13 12:32:58,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:32:58,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:32:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:58,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:32:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:58,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:58,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:32:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:58,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 12:32:58,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:58,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:58,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:32:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:58,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 12:32:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:58,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:58,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:32:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:58,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 12:32:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:58,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:58,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:32:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:58,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 12:32:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:58,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:58,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 12:32:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:58,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:58,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 12:32:58,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:58,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-12-13 12:32:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:58,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 12:32:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:58,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:32:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:58,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 12:32:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:58,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 12:32:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:58,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 12:32:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:58,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 12:32:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:58,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:32:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:58,549 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-12-13 12:32:58,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:32:58,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253044991] [2022-12-13 12:32:58,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253044991] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:32:58,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:32:58,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 12:32:58,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753150272] [2022-12-13 12:32:58,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:32:58,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 12:32:58,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:32:58,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 12:32:58,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 12:32:58,552 INFO L87 Difference]: Start difference. First operand 231499 states and 377072 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 4 states have internal predecessors, (81), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 12:33:00,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:33:02,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:33:04,171 WARN L539 Checker$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 12:33:32,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:33:32,775 INFO L93 Difference]: Finished difference Result 388202 states and 632433 transitions. [2022-12-13 12:33:32,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 12:33:32,776 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 4 states have internal predecessors, (81), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 177 [2022-12-13 12:33:32,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:33:34,822 INFO L225 Difference]: With dead ends: 388202 [2022-12-13 12:33:34,822 INFO L226 Difference]: Without dead ends: 257597 [2022-12-13 12:33:35,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2022-12-13 12:33:35,692 INFO L413 NwaCegarLoop]: 2544 mSDtfsCounter, 10568 mSDsluCounter, 9075 mSDsCounter, 0 mSdLazyCounter, 13889 mSolverCounterSat, 6073 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10800 SdHoareTripleChecker+Valid, 11619 SdHoareTripleChecker+Invalid, 19964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6073 IncrementalHoareTripleChecker+Valid, 13889 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2022-12-13 12:33:35,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10800 Valid, 11619 Invalid, 19964 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6073 Valid, 13889 Invalid, 2 Unknown, 0 Unchecked, 21.2s Time] [2022-12-13 12:33:35,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257597 states. [2022-12-13 12:33:48,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257597 to 230853. [2022-12-13 12:33:48,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230853 states, 167205 states have (on average 1.3598277563469992) internal successors, (227370), 164905 states have internal predecessors, (227370), 52345 states have call successors, (52345), 8419 states have call predecessors, (52345), 11302 states have return successors, (96346), 59153 states have call predecessors, (96346), 52344 states have call successors, (96346) [2022-12-13 12:33:50,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230853 states to 230853 states and 376061 transitions. [2022-12-13 12:33:50,345 INFO L78 Accepts]: Start accepts. Automaton has 230853 states and 376061 transitions. Word has length 177 [2022-12-13 12:33:50,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:33:50,346 INFO L495 AbstractCegarLoop]: Abstraction has 230853 states and 376061 transitions. [2022-12-13 12:33:50,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 4 states have internal predecessors, (81), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 12:33:50,346 INFO L276 IsEmpty]: Start isEmpty. Operand 230853 states and 376061 transitions. [2022-12-13 12:33:50,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-12-13 12:33:50,351 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:33:50,352 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:33:50,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 12:33:50,352 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:33:50,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:33:50,352 INFO L85 PathProgramCache]: Analyzing trace with hash 2048215630, now seen corresponding path program 1 times [2022-12-13 12:33:50,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:33:50,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987770937] [2022-12-13 12:33:50,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:33:50,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:33:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:33:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:33:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 12:33:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:33:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 12:33:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:33:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 12:33:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:33:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 12:33:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:50,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 12:33:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 12:33:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 12:33:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 12:33:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 12:33:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:33:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 12:33:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 12:33:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 12:33:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 12:33:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-12-13 12:33:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:50,966 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-12-13 12:33:50,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:33:50,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987770937] [2022-12-13 12:33:50,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987770937] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:33:50,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696072631] [2022-12-13 12:33:50,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:33:50,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:33:50,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322b011-f470-4521-96c0-6141f23356e2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:33:50,968 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322b011-f470-4521-96c0-6141f23356e2/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:33:50,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322b011-f470-4521-96c0-6141f23356e2/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 12:33:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:51,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 3162 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 12:33:51,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:33:52,040 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-12-13 12:33:52,040 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:33:52,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696072631] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:33:52,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 12:33:52,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2022-12-13 12:33:52,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397270296] [2022-12-13 12:33:52,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:33:52,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 12:33:52,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:33:52,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 12:33:52,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-12-13 12:33:52,042 INFO L87 Difference]: Start difference. First operand 230853 states and 376061 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 12:34:10,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:34:10,181 INFO L93 Difference]: Finished difference Result 577271 states and 952571 transitions. [2022-12-13 12:34:10,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 12:34:10,182 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 184 [2022-12-13 12:34:10,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:34:12,884 INFO L225 Difference]: With dead ends: 577271 [2022-12-13 12:34:12,884 INFO L226 Difference]: Without dead ends: 346438 [2022-12-13 12:34:13,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2022-12-13 12:34:13,990 INFO L413 NwaCegarLoop]: 6435 mSDtfsCounter, 5110 mSDsluCounter, 30776 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5114 SdHoareTripleChecker+Valid, 37211 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:34:13,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5114 Valid, 37211 Invalid, 79 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:34:14,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346438 states. [2022-12-13 12:34:32,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346438 to 345691. [2022-12-13 12:34:32,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345691 states, 250381 states have (on average 1.3603867705616641) internal successors, (340615), 247085 states have internal predecessors, (340615), 78386 states have call successors, (78386), 12612 states have call predecessors, (78386), 16923 states have return successors, (156653), 88427 states have call predecessors, (156653), 78385 states have call successors, (156653) [2022-12-13 12:34:35,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345691 states to 345691 states and 575654 transitions. [2022-12-13 12:34:35,930 INFO L78 Accepts]: Start accepts. Automaton has 345691 states and 575654 transitions. Word has length 184 [2022-12-13 12:34:35,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:34:35,930 INFO L495 AbstractCegarLoop]: Abstraction has 345691 states and 575654 transitions. [2022-12-13 12:34:35,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 12:34:35,930 INFO L276 IsEmpty]: Start isEmpty. Operand 345691 states and 575654 transitions. [2022-12-13 12:34:36,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-12-13 12:34:36,044 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:34:36,044 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:36,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322b011-f470-4521-96c0-6141f23356e2/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 12:34:36,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322b011-f470-4521-96c0-6141f23356e2/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-13 12:34:36,246 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:34:36,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:34:36,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1472530315, now seen corresponding path program 1 times [2022-12-13 12:34:36,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:34:36,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928278533] [2022-12-13 12:34:36,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:34:36,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:34:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:34:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:34:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 12:34:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:34:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 12:34:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:34:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 12:34:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:34:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 12:34:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 12:34:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 12:34:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:34:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 12:34:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 12:34:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 12:34:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:34:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:34:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 12:34:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:34:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 12:34:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:36,786 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-12-13 12:34:36,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:34:36,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928278533] [2022-12-13 12:34:36,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928278533] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:34:36,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595624605] [2022-12-13 12:34:36,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:34:36,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:34:36,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322b011-f470-4521-96c0-6141f23356e2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:34:36,787 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322b011-f470-4521-96c0-6141f23356e2/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:34:36,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322b011-f470-4521-96c0-6141f23356e2/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 12:34:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:37,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 3164 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 12:34:37,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:34:37,641 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-12-13 12:34:37,641 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:34:37,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595624605] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:34:37,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 12:34:37,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 12:34:37,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94286292] [2022-12-13 12:34:37,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:34:37,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 12:34:37,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:34:37,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 12:34:37,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-12-13 12:34:37,644 INFO L87 Difference]: Start difference. First operand 345691 states and 575654 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 12:35:03,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:03,084 INFO L93 Difference]: Finished difference Result 807159 states and 1351941 transitions. [2022-12-13 12:35:03,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 12:35:03,085 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 185 [2022-12-13 12:35:03,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:06,897 INFO L225 Difference]: With dead ends: 807159 [2022-12-13 12:35:06,897 INFO L226 Difference]: Without dead ends: 461488 [2022-12-13 12:35:08,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-12-13 12:35:08,938 INFO L413 NwaCegarLoop]: 6721 mSDtfsCounter, 5110 mSDsluCounter, 31920 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5114 SdHoareTripleChecker+Valid, 38641 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:08,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5114 Valid, 38641 Invalid, 81 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:35:09,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461488 states. [2022-12-13 12:35:35,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461488 to 460657. [2022-12-13 12:35:35,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460657 states, 333637 states have (on average 1.3605805111543383) internal successors, (453940), 329409 states have internal predecessors, (453940), 104427 states have call successors, (104427), 16805 states have call predecessors, (104427), 22592 states have return successors, (217008), 117685 states have call predecessors, (217008), 104426 states have call successors, (217008) [2022-12-13 12:35:40,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460657 states to 460657 states and 775375 transitions. [2022-12-13 12:35:40,226 INFO L78 Accepts]: Start accepts. Automaton has 460657 states and 775375 transitions. Word has length 185 [2022-12-13 12:35:40,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:40,227 INFO L495 AbstractCegarLoop]: Abstraction has 460657 states and 775375 transitions. [2022-12-13 12:35:40,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 12:35:40,227 INFO L276 IsEmpty]: Start isEmpty. Operand 460657 states and 775375 transitions. [2022-12-13 12:35:40,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-12-13 12:35:40,233 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:40,233 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:40,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322b011-f470-4521-96c0-6141f23356e2/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 12:35:40,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322b011-f470-4521-96c0-6141f23356e2/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-13 12:35:40,434 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:35:40,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:40,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1407074247, now seen corresponding path program 1 times [2022-12-13 12:35:40,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:40,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023469427] [2022-12-13 12:35:40,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:40,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:35:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:35:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 12:35:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:35:40,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 12:35:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:35:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 12:35:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:35:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 12:35:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 12:35:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:41,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:41,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 12:35:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:41,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 12:35:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:41,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 12:35:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:41,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 12:35:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:41,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 12:35:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:41,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 12:35:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:41,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 12:35:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:41,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 12:35:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:41,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-12-13 12:35:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:41,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 12:35:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:41,096 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-12-13 12:35:41,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:41,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023469427] [2022-12-13 12:35:41,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023469427] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:35:41,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981916403] [2022-12-13 12:35:41,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:41,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:35:41,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322b011-f470-4521-96c0-6141f23356e2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:35:41,098 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322b011-f470-4521-96c0-6141f23356e2/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:35:41,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322b011-f470-4521-96c0-6141f23356e2/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 12:35:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:42,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 3166 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 12:35:42,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:35:42,117 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-12-13 12:35:42,117 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:35:42,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981916403] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:42,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 12:35:42,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 12:35:42,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045277903] [2022-12-13 12:35:42,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:42,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 12:35:42,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:42,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 12:35:42,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-12-13 12:35:42,120 INFO L87 Difference]: Start difference. First operand 460657 states and 775375 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 12:36:14,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:36:14,466 INFO L93 Difference]: Finished difference Result 1037047 states and 1751311 transitions. [2022-12-13 12:36:14,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 12:36:14,467 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 186 [2022-12-13 12:36:14,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted.