./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--hippi--rrunner.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ed28fe99994604a1173e3d4f71ab5b1542eccb5293571b04f5dd99c12a84c046 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 17:21:36,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:21:36,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:21:36,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:21:36,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:21:36,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:21:36,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:21:36,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:21:36,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:21:36,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:21:36,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:21:36,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:21:36,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:21:36,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:21:36,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:21:36,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:21:36,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:21:36,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:21:36,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:21:36,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:21:36,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:21:36,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:21:36,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:21:36,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:21:36,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:21:36,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:21:36,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:21:36,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:21:36,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:21:36,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:21:36,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:21:36,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:21:36,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:21:36,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:21:36,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:21:36,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:21:36,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:21:36,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:21:36,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:21:36,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:21:36,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:21:36,482 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 17:21:36,517 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:21:36,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:21:36,517 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:21:36,518 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:21:36,522 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:21:36,523 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:21:36,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:21:36,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:21:36,524 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:21:36,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:21:36,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:21:36,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:21:36,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:21:36,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:21:36,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:21:36,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:21:36,528 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:21:36,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:21:36,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:21:36,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:21:36,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:21:36,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:21:36,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:21:36,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:21:36,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:21:36,531 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:21:36,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:21:36,532 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:21:36,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:21:36,533 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:21:36,533 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:21:36,534 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_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed28fe99994604a1173e3d4f71ab5b1542eccb5293571b04f5dd99c12a84c046 [2022-11-25 17:21:36,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:21:36,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:21:36,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:21:36,896 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:21:36,896 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:21:36,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2022-11-25 17:21:39,935 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:21:40,663 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:21:40,664 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2022-11-25 17:21:40,724 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/data/e51fcbcdc/8cb99c598d194255b2564aed7218f7c4/FLAG3d748cb20 [2022-11-25 17:21:40,745 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/data/e51fcbcdc/8cb99c598d194255b2564aed7218f7c4 [2022-11-25 17:21:40,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:21:40,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:21:40,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:21:40,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:21:40,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:21:40,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:21:40" (1/1) ... [2022-11-25 17:21:40,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36b501c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:40, skipping insertion in model container [2022-11-25 17:21:40,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:21:40" (1/1) ... [2022-11-25 17:21:40,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:21:40,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:21:41,868 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 17:21:41,879 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 17:21:41,889 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 17:21:42,034 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-11-25 17:21:42,044 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-11-25 17:21:42,124 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 17:21:42,136 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 17:21:42,137 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 17:21:42,158 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 17:21:42,176 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-25 17:21:42,184 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-11-25 17:21:42,199 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-11-25 17:21:42,222 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-11-25 17:21:42,284 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-11-25 17:21:42,287 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 17:21:42,287 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-25 17:21:42,293 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-11-25 17:21:42,294 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 17:21:42,296 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-11-25 17:21:42,386 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 17:21:42,459 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-11-25 17:21:42,483 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 17:21:42,582 WARN L623 FunctionHandler]: Unknown extern function alloc_hippi_dev [2022-11-25 17:21:42,583 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 17:21:42,584 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 17:21:42,586 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:21:42,587 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,588 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 17:21:42,589 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,590 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-25 17:21:42,591 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,596 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 17:21:42,597 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 17:21:42,604 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,612 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 17:21:42,616 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 17:21:42,617 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 17:21:42,623 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,627 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,632 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,659 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:21:42,673 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:21:42,676 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,690 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,692 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,694 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,697 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,700 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,705 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,721 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,727 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,736 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:21:42,745 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 17:21:42,761 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,763 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,764 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,765 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,766 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,766 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,767 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,768 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,769 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,770 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,771 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,775 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,776 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,778 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,779 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,791 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,792 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,792 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,793 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,793 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,794 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,794 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,795 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,795 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,796 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,797 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,799 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,799 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,802 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,803 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,809 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,818 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,819 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:21:42,821 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:21:42,822 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,823 WARN L623 FunctionHandler]: Unknown extern function hippi_type_trans [2022-11-25 17:21:42,823 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 17:21:42,833 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 17:21:42,835 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 17:21:42,841 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,843 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 17:21:42,845 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,848 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,849 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 17:21:42,857 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,858 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,859 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,860 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,861 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,862 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,863 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,864 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,865 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,866 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,868 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,869 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,870 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,870 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,871 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,874 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,878 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,879 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,880 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 17:21:42,881 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:21:42,881 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 17:21:42,882 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 17:21:42,886 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,889 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,890 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,893 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 17:21:42,895 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,896 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,897 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:21:42,898 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 17:21:42,900 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,900 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,901 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,902 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,902 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 17:21:42,903 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:42,904 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:21:42,904 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:21:42,905 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-11-25 17:21:42,951 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 17:21:42,954 WARN L623 FunctionHandler]: Unknown extern function hippi_change_mtu [2022-11-25 17:21:42,954 WARN L623 FunctionHandler]: Unknown extern function hippi_change_mtu [2022-11-25 17:21:42,955 WARN L623 FunctionHandler]: Unknown extern function hippi_mac_addr [2022-11-25 17:21:42,957 WARN L623 FunctionHandler]: Unknown extern function hippi_mac_addr [2022-11-25 17:21:42,957 WARN L623 FunctionHandler]: Unknown extern function hippi_mac_addr [2022-11-25 17:21:42,958 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_4 [2022-11-25 17:21:42,958 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_4 [2022-11-25 17:21:42,961 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-11-25 17:21:42,961 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-11-25 17:21:42,967 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 17:21:42,968 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 17:21:42,969 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 17:21:42,969 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 17:21:42,971 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 17:21:42,973 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 17:21:42,974 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 17:21:42,979 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 17:21:42,985 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_1143015f-ef78-4857-9cb9-e593e7935557/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i[275280,275293] [2022-11-25 17:21:43,022 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-11-25 17:21:43,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:21:43,113 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:21:43,301 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 17:21:43,302 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 17:21:43,303 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 17:21:43,306 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-11-25 17:21:43,316 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-11-25 17:21:43,323 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 17:21:43,324 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 17:21:43,324 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 17:21:43,326 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 17:21:43,327 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-25 17:21:43,329 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-11-25 17:21:43,330 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-11-25 17:21:43,331 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-11-25 17:21:43,340 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-11-25 17:21:43,341 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 17:21:43,341 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-25 17:21:43,342 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-11-25 17:21:43,345 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 17:21:43,346 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-11-25 17:21:43,351 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 17:21:43,355 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-11-25 17:21:43,357 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 17:21:43,367 WARN L623 FunctionHandler]: Unknown extern function alloc_hippi_dev [2022-11-25 17:21:43,367 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 17:21:43,373 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 17:21:43,378 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:21:43,378 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,380 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 17:21:43,380 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,381 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-25 17:21:43,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,385 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 17:21:43,385 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 17:21:43,389 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,390 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 17:21:43,391 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 17:21:43,391 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 17:21:43,392 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,393 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,395 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,399 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:21:43,414 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:21:43,415 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,417 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,418 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,419 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,420 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,422 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,423 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,428 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,429 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,432 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:21:43,438 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 17:21:43,441 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,441 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,442 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,442 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,443 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,443 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,444 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,446 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,448 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,448 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,450 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,451 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,452 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,454 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,454 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,457 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,458 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,458 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,459 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,459 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,460 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,460 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,461 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,461 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,462 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,462 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,462 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,463 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,463 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,464 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,466 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,470 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,470 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:21:43,472 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:21:43,472 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,473 WARN L623 FunctionHandler]: Unknown extern function hippi_type_trans [2022-11-25 17:21:43,474 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 17:21:43,483 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 17:21:43,485 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 17:21:43,486 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,488 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 17:21:43,489 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,491 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,493 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 17:21:43,495 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,497 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,498 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,499 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,501 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,502 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,503 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,505 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,506 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,506 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,508 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,510 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,511 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,513 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,514 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,518 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,529 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,530 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,530 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 17:21:43,531 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:21:43,531 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 17:21:43,531 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 17:21:43,535 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,537 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,539 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,546 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 17:21:43,547 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,548 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,551 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:21:43,551 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 17:21:43,553 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,553 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,554 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,555 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,557 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 17:21:43,557 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:21:43,558 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:21:43,559 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:21:43,559 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-11-25 17:21:43,567 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 17:21:43,569 WARN L623 FunctionHandler]: Unknown extern function hippi_change_mtu [2022-11-25 17:21:43,569 WARN L623 FunctionHandler]: Unknown extern function hippi_change_mtu [2022-11-25 17:21:43,570 WARN L623 FunctionHandler]: Unknown extern function hippi_mac_addr [2022-11-25 17:21:43,570 WARN L623 FunctionHandler]: Unknown extern function hippi_mac_addr [2022-11-25 17:21:43,571 WARN L623 FunctionHandler]: Unknown extern function hippi_mac_addr [2022-11-25 17:21:43,571 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_4 [2022-11-25 17:21:43,572 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_4 [2022-11-25 17:21:43,580 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-11-25 17:21:43,580 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-11-25 17:21:43,584 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 17:21:43,585 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 17:21:43,585 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 17:21:43,585 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 17:21:43,587 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 17:21:43,588 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 17:21:43,589 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 17:21:43,589 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 17:21:43,590 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_1143015f-ef78-4857-9cb9-e593e7935557/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i[275280,275293] [2022-11-25 17:21:43,591 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-11-25 17:21:43,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:21:43,734 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:21:43,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:43 WrapperNode [2022-11-25 17:21:43,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:21:43,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:21:43,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:21:43,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:21:43,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:43" (1/1) ... [2022-11-25 17:21:43,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:43" (1/1) ... [2022-11-25 17:21:43,998 INFO L138 Inliner]: procedures = 224, calls = 1254, calls flagged for inlining = 123, calls inlined = 120, statements flattened = 3542 [2022-11-25 17:21:43,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:21:44,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:21:44,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:21:44,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:21:44,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:43" (1/1) ... [2022-11-25 17:21:44,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:43" (1/1) ... [2022-11-25 17:21:44,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:43" (1/1) ... [2022-11-25 17:21:44,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:43" (1/1) ... [2022-11-25 17:21:44,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:43" (1/1) ... [2022-11-25 17:21:44,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:43" (1/1) ... [2022-11-25 17:21:44,270 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:43" (1/1) ... [2022-11-25 17:21:44,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:43" (1/1) ... [2022-11-25 17:21:44,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:21:44,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:21:44,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:21:44,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:21:44,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:43" (1/1) ... [2022-11-25 17:21:44,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:21:44,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:21:44,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:21:44,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:21:44,434 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-25 17:21:44,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-25 17:21:44,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 17:21:44,434 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-25 17:21:44,434 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-25 17:21:44,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 17:21:44,435 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-25 17:21:44,435 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-25 17:21:44,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 17:21:44,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 17:21:44,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 17:21:44,435 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 17:21:44,436 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-25 17:21:44,436 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-25 17:21:44,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-25 17:21:44,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-25 17:21:44,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 17:21:44,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 17:21:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 17:21:44,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 17:21:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-25 17:21:44,437 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-25 17:21:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-25 17:21:44,437 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-25 17:21:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 17:21:44,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 17:21:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 17:21:44,438 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 17:21:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 17:21:44,438 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 17:21:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-25 17:21:44,438 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-25 17:21:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure rr_init1 [2022-11-25 17:21:44,439 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_init1 [2022-11-25 17:21:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-25 17:21:44,439 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-25 17:21:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-25 17:21:44,439 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-25 17:21:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:21:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure rr_ioctl [2022-11-25 17:21:44,440 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_ioctl [2022-11-25 17:21:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 17:21:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 17:21:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-25 17:21:44,440 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-25 17:21:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-25 17:21:44,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-25 17:21:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 17:21:44,441 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 17:21:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-25 17:21:44,441 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-25 17:21:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:21:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 17:21:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-25 17:21:44,442 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-25 17:21:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-25 17:21:44,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-25 17:21:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 17:21:44,442 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 17:21:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure set_rraddr [2022-11-25 17:21:44,443 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rraddr [2022-11-25 17:21:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 17:21:44,443 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 17:21:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 17:21:44,443 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 17:21:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom_word [2022-11-25 17:21:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom_word [2022-11-25 17:21:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_mac_addr [2022-11-25 17:21:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_mac_addr [2022-11-25 17:21:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 17:21:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-25 17:21:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-25 17:21:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom [2022-11-25 17:21:44,445 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom [2022-11-25 17:21:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 17:21:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:21:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 17:21:44,445 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 17:21:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-25 17:21:44,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-25 17:21:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 17:21:44,446 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 17:21:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-25 17:21:44,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-25 17:21:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_change_mtu [2022-11-25 17:21:44,446 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_change_mtu [2022-11-25 17:21:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 17:21:44,446 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 17:21:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-25 17:21:44,447 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-25 17:21:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:21:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 17:21:44,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 17:21:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-25 17:21:44,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-25 17:21:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 17:21:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-25 17:21:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-25 17:21:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:21:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 17:21:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 17:21:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 17:21:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-25 17:21:44,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-25 17:21:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-11-25 17:21:44,449 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-11-25 17:21:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_tx [2022-11-25 17:21:44,449 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_tx [2022-11-25 17:21:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-25 17:21:44,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-25 17:21:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-25 17:21:44,450 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-25 17:21:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-25 17:21:44,450 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-25 17:21:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-25 17:21:44,450 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-25 17:21:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-25 17:21:44,451 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-25 17:21:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:21:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:21:44,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:21:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_rx [2022-11-25 17:21:44,451 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_rx [2022-11-25 17:21:45,235 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:21:45,241 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:21:46,738 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 17:21:48,490 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:21:48,521 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:21:48,522 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:21:48,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:21:48 BoogieIcfgContainer [2022-11-25 17:21:48,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:21:48,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:21:48,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:21:48,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:21:48,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:21:40" (1/3) ... [2022-11-25 17:21:48,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d1288c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:21:48, skipping insertion in model container [2022-11-25 17:21:48,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:43" (2/3) ... [2022-11-25 17:21:48,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d1288c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:21:48, skipping insertion in model container [2022-11-25 17:21:48,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:21:48" (3/3) ... [2022-11-25 17:21:48,546 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2022-11-25 17:21:48,583 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:21:48,583 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:21:48,724 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:21:48,732 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;@28b8169e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:21:48,733 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:21:48,744 INFO L276 IsEmpty]: Start isEmpty. Operand has 1172 states, 767 states have (on average 1.302477183833116) internal successors, (999), 792 states have internal predecessors, (999), 351 states have call successors, (351), 53 states have call predecessors, (351), 52 states have return successors, (345), 335 states have call predecessors, (345), 345 states have call successors, (345) [2022-11-25 17:21:48,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-25 17:21:48,785 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:21:48,786 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:21:48,787 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:21:48,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:21:48,798 INFO L85 PathProgramCache]: Analyzing trace with hash -64032530, now seen corresponding path program 1 times [2022-11-25 17:21:48,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:21:48,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580842573] [2022-11-25 17:21:48,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:21:48,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:21:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:49,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:21:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:49,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:49,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:21:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:49,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:21:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:49,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:49,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:21:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:49,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:21:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:49,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:49,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:21:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:49,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:21:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:49,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:49,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:21:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:49,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:21:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:49,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:49,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:21:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:49,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:49,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-25 17:21:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:50,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-25 17:21:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:50,025 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-25 17:21:50,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:21:50,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580842573] [2022-11-25 17:21:50,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580842573] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:21:50,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:21:50,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:21:50,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235344696] [2022-11-25 17:21:50,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:21:50,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:21:50,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:21:50,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:21:50,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:21:50,093 INFO L87 Difference]: Start difference. First operand has 1172 states, 767 states have (on average 1.302477183833116) internal successors, (999), 792 states have internal predecessors, (999), 351 states have call successors, (351), 53 states have call predecessors, (351), 52 states have return successors, (345), 335 states have call predecessors, (345), 345 states have call successors, (345) Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 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) [2022-11-25 17:21:54,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:21:54,896 INFO L93 Difference]: Finished difference Result 2638 states and 3934 transitions. [2022-11-25 17:21:54,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:21:54,900 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 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 118 [2022-11-25 17:21:54,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:21:54,927 INFO L225 Difference]: With dead ends: 2638 [2022-11-25 17:21:54,927 INFO L226 Difference]: Without dead ends: 1448 [2022-11-25 17:21:54,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:21:54,952 INFO L413 NwaCegarLoop]: 1484 mSDtfsCounter, 973 mSDsluCounter, 1327 mSDsCounter, 0 mSdLazyCounter, 1299 mSolverCounterSat, 1045 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 2811 SdHoareTripleChecker+Invalid, 2344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1045 IncrementalHoareTripleChecker+Valid, 1299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:21:54,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 2811 Invalid, 2344 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1045 Valid, 1299 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-25 17:21:54,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1448 states. [2022-11-25 17:21:55,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1448 to 1151. [2022-11-25 17:21:55,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1151 states, 754 states have (on average 1.2891246684350133) internal successors, (972), 771 states have internal predecessors, (972), 345 states have call successors, (345), 52 states have call predecessors, (345), 51 states have return successors, (344), 334 states have call predecessors, (344), 344 states have call successors, (344) [2022-11-25 17:21:55,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1661 transitions. [2022-11-25 17:21:55,136 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1661 transitions. Word has length 118 [2022-11-25 17:21:55,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:21:55,137 INFO L495 AbstractCegarLoop]: Abstraction has 1151 states and 1661 transitions. [2022-11-25 17:21:55,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 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) [2022-11-25 17:21:55,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1661 transitions. [2022-11-25 17:21:55,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-25 17:21:55,142 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:21:55,143 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:21:55,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:21:55,143 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:21:55,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:21:55,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1851670794, now seen corresponding path program 1 times [2022-11-25 17:21:55,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:21:55,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241990826] [2022-11-25 17:21:55,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:21:55,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:21:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:55,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:21:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:55,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:55,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:21:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:55,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:21:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:55,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:55,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:21:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:55,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:21:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:55,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:55,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:21:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:55,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:21:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:55,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:55,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:21:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:55,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:21:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:55,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:55,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:21:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:55,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:55,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-25 17:21:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:55,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-25 17:21:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:55,712 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-25 17:21:55,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:21:55,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241990826] [2022-11-25 17:21:55,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241990826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:21:55,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:21:55,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:21:55,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079739974] [2022-11-25 17:21:55,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:21:55,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:21:55,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:21:55,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:21:55,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:21:55,718 INFO L87 Difference]: Start difference. First operand 1151 states and 1661 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 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) [2022-11-25 17:22:02,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:22:02,319 INFO L93 Difference]: Finished difference Result 3533 states and 5199 transitions. [2022-11-25 17:22:02,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:22:02,320 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 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 118 [2022-11-25 17:22:02,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:22:02,343 INFO L225 Difference]: With dead ends: 3533 [2022-11-25 17:22:02,343 INFO L226 Difference]: Without dead ends: 2402 [2022-11-25 17:22:02,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:22:02,356 INFO L413 NwaCegarLoop]: 1655 mSDtfsCounter, 2452 mSDsluCounter, 2520 mSDsCounter, 0 mSdLazyCounter, 2445 mSolverCounterSat, 1785 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2672 SdHoareTripleChecker+Valid, 4175 SdHoareTripleChecker+Invalid, 4230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1785 IncrementalHoareTripleChecker+Valid, 2445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:22:02,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2672 Valid, 4175 Invalid, 4230 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1785 Valid, 2445 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-11-25 17:22:02,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2402 states. [2022-11-25 17:22:02,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2402 to 1901. [2022-11-25 17:22:02,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1901 states, 1238 states have (on average 1.2827140549273022) internal successors, (1588), 1274 states have internal predecessors, (1588), 570 states have call successors, (570), 93 states have call predecessors, (570), 92 states have return successors, (569), 546 states have call predecessors, (569), 569 states have call successors, (569) [2022-11-25 17:22:02,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1901 states and 2727 transitions. [2022-11-25 17:22:02,617 INFO L78 Accepts]: Start accepts. Automaton has 1901 states and 2727 transitions. Word has length 118 [2022-11-25 17:22:02,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:22:02,618 INFO L495 AbstractCegarLoop]: Abstraction has 1901 states and 2727 transitions. [2022-11-25 17:22:02,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 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) [2022-11-25 17:22:02,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 2727 transitions. [2022-11-25 17:22:02,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-25 17:22:02,622 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:22:02,622 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, 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] [2022-11-25 17:22:02,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:22:02,623 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:22:02,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:22:02,624 INFO L85 PathProgramCache]: Analyzing trace with hash 165484814, now seen corresponding path program 1 times [2022-11-25 17:22:02,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:22:02,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843664858] [2022-11-25 17:22:02,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:22:02,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:22:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:03,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:22:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:03,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:03,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:22:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:03,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:22:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:03,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:03,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:22:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:03,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:22:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:03,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:03,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:22:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:03,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:22:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:03,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:03,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:22:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:03,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:22:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:03,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:03,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:22:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:03,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:03,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-25 17:22:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:03,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-25 17:22:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:03,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-25 17:22:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:03,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-25 17:22:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:03,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-25 17:22:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:03,502 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-25 17:22:03,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:22:03,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843664858] [2022-11-25 17:22:03,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843664858] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:22:03,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:22:03,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 17:22:03,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46619581] [2022-11-25 17:22:03,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:22:03,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:22:03,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:22:03,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:22:03,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:22:03,506 INFO L87 Difference]: Start difference. First operand 1901 states and 2727 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 17:22:13,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:22:13,136 INFO L93 Difference]: Finished difference Result 6693 states and 9862 transitions. [2022-11-25 17:22:13,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-25 17:22:13,139 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 144 [2022-11-25 17:22:13,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:22:13,168 INFO L225 Difference]: With dead ends: 6693 [2022-11-25 17:22:13,168 INFO L226 Difference]: Without dead ends: 4812 [2022-11-25 17:22:13,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:22:13,180 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 4641 mSDsluCounter, 4800 mSDsCounter, 0 mSdLazyCounter, 5242 mSolverCounterSat, 4331 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4983 SdHoareTripleChecker+Valid, 6477 SdHoareTripleChecker+Invalid, 9573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4331 IncrementalHoareTripleChecker+Valid, 5242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:22:13,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4983 Valid, 6477 Invalid, 9573 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4331 Valid, 5242 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-11-25 17:22:13,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4812 states. [2022-11-25 17:22:13,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4812 to 3788. [2022-11-25 17:22:13,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3788 states, 2470 states have (on average 1.2821862348178137) internal successors, (3167), 2542 states have internal predecessors, (3167), 1132 states have call successors, (1132), 186 states have call predecessors, (1132), 185 states have return successors, (1131), 1085 states have call predecessors, (1131), 1131 states have call successors, (1131) [2022-11-25 17:22:13,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3788 states to 3788 states and 5430 transitions. [2022-11-25 17:22:13,526 INFO L78 Accepts]: Start accepts. Automaton has 3788 states and 5430 transitions. Word has length 144 [2022-11-25 17:22:13,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:22:13,527 INFO L495 AbstractCegarLoop]: Abstraction has 3788 states and 5430 transitions. [2022-11-25 17:22:13,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 17:22:13,528 INFO L276 IsEmpty]: Start isEmpty. Operand 3788 states and 5430 transitions. [2022-11-25 17:22:13,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-25 17:22:13,530 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:22:13,531 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, 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] [2022-11-25 17:22:13,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:22:13,531 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:22:13,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:22:13,532 INFO L85 PathProgramCache]: Analyzing trace with hash -262374031, now seen corresponding path program 1 times [2022-11-25 17:22:13,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:22:13,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448110658] [2022-11-25 17:22:13,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:22:13,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:22:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:13,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:22:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:13,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:13,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:22:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:13,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:22:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:13,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:14,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:22:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:14,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:22:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:14,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:14,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:22:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:14,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:22:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:14,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:14,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:22:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:14,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:22:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:14,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:14,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:22:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:14,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:14,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-25 17:22:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:14,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:22:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:14,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-25 17:22:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:14,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-25 17:22:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:14,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-25 17:22:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:14,180 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-25 17:22:14,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:22:14,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448110658] [2022-11-25 17:22:14,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448110658] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:22:14,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:22:14,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 17:22:14,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815288015] [2022-11-25 17:22:14,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:22:14,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:22:14,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:22:14,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:22:14,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:22:14,184 INFO L87 Difference]: Start difference. First operand 3788 states and 5430 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 17:22:23,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:22:23,539 INFO L93 Difference]: Finished difference Result 13380 states and 19686 transitions. [2022-11-25 17:22:23,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-25 17:22:23,540 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 143 [2022-11-25 17:22:23,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:22:23,607 INFO L225 Difference]: With dead ends: 13380 [2022-11-25 17:22:23,607 INFO L226 Difference]: Without dead ends: 9612 [2022-11-25 17:22:23,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:22:23,633 INFO L413 NwaCegarLoop]: 1694 mSDtfsCounter, 4669 mSDsluCounter, 4840 mSDsCounter, 0 mSdLazyCounter, 5259 mSolverCounterSat, 4276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5006 SdHoareTripleChecker+Valid, 6534 SdHoareTripleChecker+Invalid, 9535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4276 IncrementalHoareTripleChecker+Valid, 5259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:22:23,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5006 Valid, 6534 Invalid, 9535 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4276 Valid, 5259 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2022-11-25 17:22:23,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9612 states. [2022-11-25 17:22:24,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9612 to 7570. [2022-11-25 17:22:24,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7570 states, 4940 states have (on average 1.2809716599190284) internal successors, (6328), 5084 states have internal predecessors, (6328), 2256 states have call successors, (2256), 374 states have call predecessors, (2256), 373 states have return successors, (2255), 2163 states have call predecessors, (2255), 2255 states have call successors, (2255) [2022-11-25 17:22:24,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7570 states to 7570 states and 10839 transitions. [2022-11-25 17:22:24,441 INFO L78 Accepts]: Start accepts. Automaton has 7570 states and 10839 transitions. Word has length 143 [2022-11-25 17:22:24,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:22:24,441 INFO L495 AbstractCegarLoop]: Abstraction has 7570 states and 10839 transitions. [2022-11-25 17:22:24,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 17:22:24,443 INFO L276 IsEmpty]: Start isEmpty. Operand 7570 states and 10839 transitions. [2022-11-25 17:22:24,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-25 17:22:24,450 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:22:24,450 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, 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] [2022-11-25 17:22:24,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 17:22:24,453 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:22:24,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:22:24,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1850394924, now seen corresponding path program 1 times [2022-11-25 17:22:24,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:22:24,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828160002] [2022-11-25 17:22:24,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:22:24,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:22:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:24,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:22:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:24,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:24,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:22:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:24,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:22:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:24,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:24,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:22:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:24,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:22:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:24,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:24,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:22:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:24,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:22:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:24,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:24,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:22:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:25,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:22:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:25,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:25,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:22:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:25,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:25,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 17:22:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:25,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 17:22:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:25,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 17:22:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:25,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-25 17:22:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:25,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-25 17:22:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:25,112 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-25 17:22:25,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:22:25,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828160002] [2022-11-25 17:22:25,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828160002] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:22:25,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:22:25,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 17:22:25,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705351683] [2022-11-25 17:22:25,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:22:25,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:22:25,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:22:25,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:22:25,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:22:25,116 INFO L87 Difference]: Start difference. First operand 7570 states and 10839 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 17:22:34,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:22:34,622 INFO L93 Difference]: Finished difference Result 26785 states and 39342 transitions. [2022-11-25 17:22:34,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-25 17:22:34,622 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 145 [2022-11-25 17:22:34,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:22:34,738 INFO L225 Difference]: With dead ends: 26785 [2022-11-25 17:22:34,739 INFO L226 Difference]: Without dead ends: 19235 [2022-11-25 17:22:34,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:22:34,778 INFO L413 NwaCegarLoop]: 1685 mSDtfsCounter, 4638 mSDsluCounter, 4830 mSDsCounter, 0 mSdLazyCounter, 5230 mSolverCounterSat, 4303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4980 SdHoareTripleChecker+Valid, 6515 SdHoareTripleChecker+Invalid, 9533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4303 IncrementalHoareTripleChecker+Valid, 5230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:22:34,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4980 Valid, 6515 Invalid, 9533 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4303 Valid, 5230 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2022-11-25 17:22:34,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19235 states. [2022-11-25 17:22:36,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19235 to 15157. [2022-11-25 17:22:36,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15157 states, 9899 states have (on average 1.2799272653803415) internal successors, (12670), 10187 states have internal predecessors, (12670), 4504 states have call successors, (4504), 754 states have call predecessors, (4504), 753 states have return successors, (4503), 4319 states have call predecessors, (4503), 4503 states have call successors, (4503) [2022-11-25 17:22:36,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15157 states to 15157 states and 21677 transitions. [2022-11-25 17:22:36,464 INFO L78 Accepts]: Start accepts. Automaton has 15157 states and 21677 transitions. Word has length 145 [2022-11-25 17:22:36,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:22:36,466 INFO L495 AbstractCegarLoop]: Abstraction has 15157 states and 21677 transitions. [2022-11-25 17:22:36,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 17:22:36,467 INFO L276 IsEmpty]: Start isEmpty. Operand 15157 states and 21677 transitions. [2022-11-25 17:22:36,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-25 17:22:36,471 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:22:36,471 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, 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] [2022-11-25 17:22:36,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 17:22:36,472 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:22:36,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:22:36,472 INFO L85 PathProgramCache]: Analyzing trace with hash -907610485, now seen corresponding path program 1 times [2022-11-25 17:22:36,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:22:36,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474953196] [2022-11-25 17:22:36,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:22:36,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:22:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:36,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:22:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:36,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:36,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:22:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:36,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:22:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:36,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:36,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:22:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:36,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:22:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:36,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:36,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:22:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:36,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:22:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:36,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:36,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:22:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:36,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:22:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:36,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:37,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:22:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:37,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:37,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 17:22:37,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:37,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-25 17:22:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:37,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-25 17:22:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:37,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 17:22:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:37,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-25 17:22:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:37,083 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-25 17:22:37,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:22:37,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474953196] [2022-11-25 17:22:37,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474953196] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:22:37,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:22:37,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 17:22:37,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708613957] [2022-11-25 17:22:37,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:22:37,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:22:37,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:22:37,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:22:37,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:22:37,086 INFO L87 Difference]: Start difference. First operand 15157 states and 21677 transitions. Second operand has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 17:22:48,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:22:48,010 INFO L93 Difference]: Finished difference Result 52954 states and 77594 transitions. [2022-11-25 17:22:48,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-25 17:22:48,011 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 142 [2022-11-25 17:22:48,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:22:48,210 INFO L225 Difference]: With dead ends: 52954 [2022-11-25 17:22:48,210 INFO L226 Difference]: Without dead ends: 37817 [2022-11-25 17:22:48,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:22:48,283 INFO L413 NwaCegarLoop]: 1949 mSDtfsCounter, 3873 mSDsluCounter, 5713 mSDsCounter, 0 mSdLazyCounter, 5770 mSolverCounterSat, 3824 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4212 SdHoareTripleChecker+Valid, 7662 SdHoareTripleChecker+Invalid, 9594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3824 IncrementalHoareTripleChecker+Valid, 5770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:22:48,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4212 Valid, 7662 Invalid, 9594 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3824 Valid, 5770 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2022-11-25 17:22:48,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37817 states. [2022-11-25 17:22:51,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37817 to 29749. [2022-11-25 17:22:51,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29749 states, 19385 states have (on average 1.2791333505287594) internal successors, (24796), 19973 states have internal predecessors, (24796), 8873 states have call successors, (8873), 1491 states have call predecessors, (8873), 1490 states have return successors, (8872), 8484 states have call predecessors, (8872), 8872 states have call successors, (8872) [2022-11-25 17:22:51,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29749 states to 29749 states and 42541 transitions. [2022-11-25 17:22:51,845 INFO L78 Accepts]: Start accepts. Automaton has 29749 states and 42541 transitions. Word has length 142 [2022-11-25 17:22:51,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:22:51,846 INFO L495 AbstractCegarLoop]: Abstraction has 29749 states and 42541 transitions. [2022-11-25 17:22:51,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 17:22:51,846 INFO L276 IsEmpty]: Start isEmpty. Operand 29749 states and 42541 transitions. [2022-11-25 17:22:51,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-11-25 17:22:51,850 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:22:51,850 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, 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] [2022-11-25 17:22:51,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 17:22:51,851 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:22:51,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:22:51,852 INFO L85 PathProgramCache]: Analyzing trace with hash 94070514, now seen corresponding path program 1 times [2022-11-25 17:22:51,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:22:51,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819972531] [2022-11-25 17:22:51,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:22:51,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:22:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:52,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:22:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:52,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:52,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:22:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:52,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:22:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:52,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:52,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:22:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:52,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:22:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:52,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:52,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:22:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:52,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:22:52,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:52,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:52,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:22:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:52,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:22:52,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:52,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:52,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:22:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:52,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:22:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:52,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-25 17:22:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:52,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-25 17:22:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:52,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-25 17:22:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:52,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-25 17:22:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:52,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-25 17:22:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:52,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-25 17:22:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:52,933 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-25 17:22:52,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:22:52,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819972531] [2022-11-25 17:22:52,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819972531] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:22:52,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272057871] [2022-11-25 17:22:52,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:22:52,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:22:52,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:22:52,938 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:22:52,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 17:22:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:53,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 1965 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 17:22:53,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:22:53,992 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-25 17:22:53,992 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:22:53,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272057871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:22:53,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:22:53,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2022-11-25 17:22:53,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703096119] [2022-11-25 17:22:53,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:22:53,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 17:22:53,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:22:53,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 17:22:53,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-11-25 17:22:53,996 INFO L87 Difference]: Start difference. First operand 29749 states and 42541 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 17:22:56,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:22:56,817 INFO L93 Difference]: Finished difference Result 74511 states and 106491 transitions. [2022-11-25 17:22:56,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 17:22:56,817 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 155 [2022-11-25 17:22:56,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:22:57,332 INFO L225 Difference]: With dead ends: 74511 [2022-11-25 17:22:57,332 INFO L226 Difference]: Without dead ends: 44782 [2022-11-25 17:22:57,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2022-11-25 17:22:57,440 INFO L413 NwaCegarLoop]: 2274 mSDtfsCounter, 1679 mSDsluCounter, 10719 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1683 SdHoareTripleChecker+Valid, 12993 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:22:57,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1683 Valid, 12993 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:22:57,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44782 states. [2022-11-25 17:23:01,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44782 to 44487. [2022-11-25 17:23:01,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44487 states, 29001 states have (on average 1.279507603186097) internal successors, (37107), 29889 states have internal predecessors, (37107), 13242 states have call successors, (13242), 2228 states have call predecessors, (13242), 2243 states have return successors, (13281), 12665 states have call predecessors, (13281), 13241 states have call successors, (13281) [2022-11-25 17:23:01,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44487 states to 44487 states and 63630 transitions. [2022-11-25 17:23:01,492 INFO L78 Accepts]: Start accepts. Automaton has 44487 states and 63630 transitions. Word has length 155 [2022-11-25 17:23:01,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:23:01,493 INFO L495 AbstractCegarLoop]: Abstraction has 44487 states and 63630 transitions. [2022-11-25 17:23:01,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 17:23:01,494 INFO L276 IsEmpty]: Start isEmpty. Operand 44487 states and 63630 transitions. [2022-11-25 17:23:01,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-25 17:23:01,499 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:23:01,500 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, 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] [2022-11-25 17:23:01,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 17:23:01,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:23:01,710 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:23:01,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:23:01,711 INFO L85 PathProgramCache]: Analyzing trace with hash -305282991, now seen corresponding path program 1 times [2022-11-25 17:23:01,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:23:01,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576902740] [2022-11-25 17:23:01,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:23:01,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:23:01,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:02,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:23:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:02,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:23:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:02,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:23:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:02,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:23:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:02,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:23:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:02,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:23:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:02,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:23:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:02,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:23:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:02,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:23:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:02,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:23:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:02,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:23:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:02,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:23:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:02,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:23:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:02,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:23:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:02,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:23:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:02,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:23:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:03,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-25 17:23:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:03,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 17:23:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:03,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 17:23:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:03,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 17:23:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:03,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-25 17:23:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:03,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-25 17:23:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:03,098 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-25 17:23:03,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:23:03,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576902740] [2022-11-25 17:23:03,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576902740] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:23:03,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367472182] [2022-11-25 17:23:03,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:23:03,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:23:03,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:23:03,101 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:23:03,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 17:23:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:04,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 1967 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 17:23:04,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:23:04,159 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-25 17:23:04,159 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:23:04,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367472182] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:23:04,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:23:04,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-11-25 17:23:04,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283556745] [2022-11-25 17:23:04,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:23:04,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 17:23:04,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:23:04,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 17:23:04,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-11-25 17:23:04,163 INFO L87 Difference]: Start difference. First operand 44487 states and 63630 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 17:23:08,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:23:08,166 INFO L93 Difference]: Finished difference Result 104093 states and 148761 transitions. [2022-11-25 17:23:08,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 17:23:08,167 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 156 [2022-11-25 17:23:08,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:23:08,490 INFO L225 Difference]: With dead ends: 104093 [2022-11-25 17:23:08,490 INFO L226 Difference]: Without dead ends: 59626 [2022-11-25 17:23:08,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-11-25 17:23:08,639 INFO L413 NwaCegarLoop]: 2577 mSDtfsCounter, 1679 mSDsluCounter, 11919 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1683 SdHoareTripleChecker+Valid, 14496 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:23:08,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1683 Valid, 14496 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:23:08,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59626 states. [2022-11-25 17:23:13,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59626 to 59289. [2022-11-25 17:23:13,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59289 states, 38657 states have (on average 1.2794060584111546) internal successors, (49458), 39877 states have internal predecessors, (49458), 17611 states have call successors, (17611), 2965 states have call predecessors, (17611), 3020 states have return successors, (17714), 16838 states have call predecessors, (17714), 17610 states have call successors, (17714) [2022-11-25 17:23:13,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59289 states to 59289 states and 84783 transitions. [2022-11-25 17:23:13,842 INFO L78 Accepts]: Start accepts. Automaton has 59289 states and 84783 transitions. Word has length 156 [2022-11-25 17:23:13,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:23:13,843 INFO L495 AbstractCegarLoop]: Abstraction has 59289 states and 84783 transitions. [2022-11-25 17:23:13,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 17:23:13,843 INFO L276 IsEmpty]: Start isEmpty. Operand 59289 states and 84783 transitions. [2022-11-25 17:23:13,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-11-25 17:23:13,849 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:23:13,849 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, 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] [2022-11-25 17:23:13,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 17:23:14,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:23:14,059 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:23:14,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:23:14,060 INFO L85 PathProgramCache]: Analyzing trace with hash 908109401, now seen corresponding path program 1 times [2022-11-25 17:23:14,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:23:14,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808399028] [2022-11-25 17:23:14,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:23:14,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:23:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:15,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:23:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:15,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:23:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:15,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:23:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:15,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:23:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:15,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:23:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:15,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:23:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:15,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:23:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:15,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:23:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:15,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:23:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:15,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:23:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:15,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:23:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:15,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:23:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:15,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:23:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:15,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:23:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:15,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:23:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:15,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:23:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:15,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 17:23:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:15,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-25 17:23:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:15,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-25 17:23:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:15,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-25 17:23:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:15,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 17:23:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:15,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-25 17:23:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:15,364 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-25 17:23:15,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:23:15,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808399028] [2022-11-25 17:23:15,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808399028] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:23:15,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000205138] [2022-11-25 17:23:15,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:23:15,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:23:15,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:23:15,367 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:23:15,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 17:23:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:16,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 1969 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 17:23:16,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:23:16,401 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-25 17:23:16,401 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:23:16,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000205138] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:23:16,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:23:16,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-11-25 17:23:16,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671612103] [2022-11-25 17:23:16,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:23:16,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 17:23:16,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:23:16,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 17:23:16,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-11-25 17:23:16,405 INFO L87 Difference]: Start difference. First operand 59289 states and 84783 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 17:23:20,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:23:20,968 INFO L93 Difference]: Finished difference Result 133675 states and 191031 transitions. [2022-11-25 17:23:20,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 17:23:20,969 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 157 [2022-11-25 17:23:20,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:23:21,331 INFO L225 Difference]: With dead ends: 133675 [2022-11-25 17:23:21,332 INFO L226 Difference]: Without dead ends: 74406 [2022-11-25 17:23:21,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-11-25 17:23:21,512 INFO L413 NwaCegarLoop]: 2580 mSDtfsCounter, 1679 mSDsluCounter, 11931 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1683 SdHoareTripleChecker+Valid, 14511 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:23:21,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1683 Valid, 14511 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:23:21,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74406 states. [2022-11-25 17:23:25,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74406 to 59333. [2022-11-25 17:23:25,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59333 states, 38689 states have (on average 1.2791749592907544) internal successors, (49490), 39913 states have internal predecessors, (49490), 17611 states have call successors, (17611), 2965 states have call predecessors, (17611), 3032 states have return successors, (17732), 16846 states have call predecessors, (17732), 17610 states have call successors, (17732) [2022-11-25 17:23:26,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59333 states to 59333 states and 84833 transitions. [2022-11-25 17:23:26,227 INFO L78 Accepts]: Start accepts. Automaton has 59333 states and 84833 transitions. Word has length 157 [2022-11-25 17:23:26,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:23:26,228 INFO L495 AbstractCegarLoop]: Abstraction has 59333 states and 84833 transitions. [2022-11-25 17:23:26,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 17:23:26,228 INFO L276 IsEmpty]: Start isEmpty. Operand 59333 states and 84833 transitions. [2022-11-25 17:23:26,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-25 17:23:26,234 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:23:26,234 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, 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] [2022-11-25 17:23:26,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 17:23:26,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-25 17:23:26,445 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:23:26,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:23:26,445 INFO L85 PathProgramCache]: Analyzing trace with hash 577017048, now seen corresponding path program 1 times [2022-11-25 17:23:26,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:23:26,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476000663] [2022-11-25 17:23:26,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:23:26,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:23:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:26,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:23:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:26,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:23:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:26,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:23:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:26,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:23:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:26,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:23:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:26,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:23:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:26,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:23:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:27,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:23:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:27,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:23:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:27,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:23:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:27,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:23:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:27,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:23:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:27,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:23:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:27,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:23:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:27,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:23:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:27,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:23:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:27,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-25 17:23:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:27,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 17:23:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:27,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-25 17:23:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:27,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-25 17:23:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:27,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-25 17:23:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:27,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-25 17:23:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:27,202 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-25 17:23:27,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:23:27,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476000663] [2022-11-25 17:23:27,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476000663] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:23:27,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103142212] [2022-11-25 17:23:27,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:23:27,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:23:27,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:23:27,205 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:23:27,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143015f-ef78-4857-9cb9-e593e7935557/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 17:23:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:23:28,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 1971 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 17:23:28,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:23:28,194 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-25 17:23:28,194 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:23:28,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103142212] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:23:28,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:23:28,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-11-25 17:23:28,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736672867] [2022-11-25 17:23:28,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:23:28,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 17:23:28,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:23:28,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 17:23:28,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-11-25 17:23:28,197 INFO L87 Difference]: Start difference. First operand 59333 states and 84833 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 17:23:33,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:23:33,224 INFO L93 Difference]: Finished difference Result 133735 states and 191097 transitions. [2022-11-25 17:23:33,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 17:23:33,225 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 158 [2022-11-25 17:23:33,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:23:33,621 INFO L225 Difference]: With dead ends: 133735 [2022-11-25 17:23:33,621 INFO L226 Difference]: Without dead ends: 74422 [2022-11-25 17:23:33,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-11-25 17:23:33,889 INFO L413 NwaCegarLoop]: 2580 mSDtfsCounter, 1679 mSDsluCounter, 11931 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1683 SdHoareTripleChecker+Valid, 14511 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:23:33,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1683 Valid, 14511 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:23:33,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74422 states.