./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--irda--vlsi_ir.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3be4ac024b7f357f41d231fb5742f86a984717c473cc6044544e39e88c4f03b3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 06:54:22,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:54:22,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:54:22,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:54:22,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:54:22,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:54:22,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:54:22,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:54:22,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:54:22,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:54:22,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:54:22,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:54:22,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:54:22,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:54:22,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:54:22,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:54:22,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:54:22,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:54:22,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:54:22,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:54:22,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:54:22,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:54:22,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:54:22,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:54:22,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:54:22,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:54:22,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:54:22,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:54:22,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:54:22,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:54:22,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:54:22,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:54:22,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:54:22,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:54:22,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:54:22,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:54:22,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:54:22,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:54:22,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:54:22,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:54:22,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:54:22,211 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 06:54:22,225 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:54:22,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:54:22,226 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:54:22,226 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:54:22,226 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:54:22,226 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:54:22,227 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:54:22,227 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:54:22,227 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:54:22,227 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:54:22,227 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:54:22,227 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:54:22,227 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:54:22,227 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:54:22,228 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:54:22,228 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:54:22,228 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:54:22,228 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:54:22,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:54:22,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:54:22,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:54:22,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:54:22,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:54:22,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:54:22,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:54:22,230 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:54:22,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:54:22,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:54:22,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:54:22,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:54:22,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:54:22,231 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:54:22,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:54:22,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:54:22,231 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:54:22,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:54:22,231 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:54:22,231 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:54:22,232 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be4ac024b7f357f41d231fb5742f86a984717c473cc6044544e39e88c4f03b3 [2022-12-14 06:54:22,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:54:22,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:54:22,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:54:22,424 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:54:22,424 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:54:22,425 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i [2022-12-14 06:54:25,012 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:54:25,367 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:54:25,368 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i [2022-12-14 06:54:25,399 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/data/5de670680/caeb8bdea15e4184bc9006a8492c9abd/FLAG4279d6b32 [2022-12-14 06:54:25,412 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/data/5de670680/caeb8bdea15e4184bc9006a8492c9abd [2022-12-14 06:54:25,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:54:25,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:54:25,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:54:25,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:54:25,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:54:25,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:54:25" (1/1) ... [2022-12-14 06:54:25,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71646c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:25, skipping insertion in model container [2022-12-14 06:54:25,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:54:25" (1/1) ... [2022-12-14 06:54:25,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:54:25,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:54:26,135 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 06:54:26,153 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 06:54:26,174 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 06:54:26,259 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 06:54:26,313 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-14 06:54:26,318 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-14 06:54:26,385 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 06:54:26,389 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 06:54:26,390 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 06:54:26,396 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 06:54:26,401 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-14 06:54:26,421 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-14 06:54:26,442 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-14 06:54:26,466 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 06:54:26,577 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-14 06:54:26,597 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-14 06:54:26,677 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,678 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,678 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-12-14 06:54:26,710 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,711 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,712 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,715 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,716 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,717 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,717 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,718 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,722 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,723 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,723 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,723 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,724 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,724 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,729 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,731 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,731 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,733 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,735 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,738 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,739 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,743 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,743 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,744 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,744 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,751 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,755 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,756 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,757 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,757 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,757 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,758 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,759 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-14 06:54:26,760 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,760 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,761 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,761 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,765 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,767 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,767 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,767 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,768 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,769 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,769 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,770 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,770 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,771 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,775 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,776 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,777 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,778 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,779 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,780 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,781 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,781 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,782 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:26,785 WARN L623 FunctionHandler]: Unknown extern function PDE_DATA [2022-12-14 06:54:26,786 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 06:54:26,792 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,793 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,793 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:54:26,794 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:54:26,795 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:54:26,800 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:54:26,800 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:54:26,817 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:54:26,817 WARN L623 FunctionHandler]: Unknown extern function crc_ccitt [2022-12-14 06:54:26,819 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:54:26,819 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,820 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,821 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 06:54:26,821 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 06:54:26,822 WARN L623 FunctionHandler]: Unknown extern function netif_rx_ni [2022-12-14 06:54:26,826 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,826 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,833 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-14 06:54:26,834 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,834 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,840 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:54:26,852 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:54:26,853 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,853 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,856 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:54:26,857 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:54:26,858 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,858 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,859 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,859 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,867 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-14 06:54:26,867 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-14 06:54:26,868 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-12-14 06:54:26,869 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,869 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,872 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:54:26,873 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:54:26,874 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,874 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,882 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:54:26,883 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:54:26,889 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:54:26,894 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:54:26,895 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:54:26,895 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,895 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,897 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:54:26,908 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,908 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,914 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 06:54:26,914 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 06:54:26,915 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-14 06:54:26,919 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 06:54:26,923 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,924 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,928 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 06:54:26,929 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 06:54:26,929 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-12-14 06:54:26,930 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,930 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,935 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,935 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,939 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 06:54:26,940 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,940 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,941 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,941 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,942 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 06:54:26,942 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-12-14 06:54:26,942 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-14 06:54:26,943 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,943 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,943 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-12-14 06:54:26,944 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 06:54:26,948 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-12-14 06:54:26,948 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 06:54:26,948 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,948 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,953 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,953 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,954 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-12-14 06:54:26,954 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-12-14 06:54:26,958 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 06:54:26,958 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,959 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,959 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,959 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,960 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-12-14 06:54:26,960 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,960 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,961 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 06:54:26,961 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 06:54:26,961 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 06:54:26,961 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,962 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,962 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-12-14 06:54:26,962 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,963 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,963 WARN L623 FunctionHandler]: Unknown extern function proc_set_size [2022-12-14 06:54:26,963 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,963 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,964 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:54:26,964 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:54:26,964 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 06:54:26,968 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,968 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,969 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 06:54:26,969 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 06:54:26,969 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:54:26,970 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,970 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,974 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,974 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,974 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 06:54:26,975 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 06:54:26,975 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 06:54:26,975 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,975 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,976 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:54:26,976 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 06:54:26,976 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 06:54:26,977 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 06:54:26,977 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 06:54:26,977 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:54:26,981 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,981 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,982 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 06:54:26,982 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:54:26,982 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,982 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,983 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 06:54:26,983 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,983 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,983 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:54:26,984 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 06:54:26,984 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 06:54:26,984 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:54:26,988 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,988 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,989 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:26,989 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:26,990 WARN L623 FunctionHandler]: Unknown extern function proc_mkdir [2022-12-14 06:54:26,991 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 06:54:26,995 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 06:54:27,023 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 06:54:27,024 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 06:54:27,024 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 06:54:27,025 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 06:54:27,027 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_3 [2022-12-14 06:54:27,027 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_3 [2022-12-14 06:54:27,029 WARN L623 FunctionHandler]: Unknown extern function ldv_suspend_late_2 [2022-12-14 06:54:27,029 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_2 [2022-12-14 06:54:27,030 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_2 [2022-12-14 06:54:27,030 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_2 [2022-12-14 06:54:27,030 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_2 [2022-12-14 06:54:27,030 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_2 [2022-12-14 06:54:27,030 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_2 [2022-12-14 06:54:27,031 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 06:54:27,034 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 06:54:27,034 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 06:54:27,034 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 06:54:27,035 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 06:54:27,035 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 06:54:27,035 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 06:54:27,036 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 06:54:27,036 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 06:54:27,039 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_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i[293856,293869] [2022-12-14 06:54:27,062 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-14 06:54:27,084 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-12-14 06:54:27,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:54:27,113 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:54:27,190 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 06:54:27,191 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 06:54:27,192 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 06:54:27,194 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 06:54:27,196 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-14 06:54:27,197 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-14 06:54:27,202 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 06:54:27,203 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 06:54:27,203 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 06:54:27,204 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 06:54:27,205 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-14 06:54:27,206 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-14 06:54:27,207 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-14 06:54:27,208 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 06:54:27,211 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-14 06:54:27,212 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-14 06:54:27,215 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,215 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,216 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-12-14 06:54:27,219 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,219 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,220 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,220 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,220 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,221 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,221 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,222 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,222 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,223 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,223 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,223 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,224 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,224 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,225 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,226 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,227 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,228 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,240 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,242 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,242 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,244 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,244 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,245 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,245 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,248 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,249 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,250 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,250 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,250 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,251 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,251 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,251 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-14 06:54:27,252 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,252 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,252 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,252 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,253 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,254 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,254 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,254 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,254 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,255 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,255 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,255 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,256 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,256 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,257 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,257 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,257 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,257 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,258 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,258 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,259 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,259 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,259 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 06:54:27,259 WARN L623 FunctionHandler]: Unknown extern function PDE_DATA [2022-12-14 06:54:27,260 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 06:54:27,261 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,262 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,262 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:54:27,262 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:54:27,263 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:54:27,264 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:54:27,264 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:54:27,268 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:54:27,268 WARN L623 FunctionHandler]: Unknown extern function crc_ccitt [2022-12-14 06:54:27,269 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:54:27,270 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,270 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,273 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 06:54:27,274 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 06:54:27,274 WARN L623 FunctionHandler]: Unknown extern function netif_rx_ni [2022-12-14 06:54:27,275 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,275 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,277 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-14 06:54:27,277 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,278 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,279 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:54:27,282 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:54:27,283 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,283 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,284 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:54:27,285 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:54:27,285 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,285 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,286 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,286 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,289 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-14 06:54:27,289 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-14 06:54:27,289 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-12-14 06:54:27,289 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,290 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,291 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:54:27,292 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:54:27,292 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,293 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,296 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:54:27,297 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:54:27,298 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:54:27,300 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:54:27,300 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:54:27,300 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,301 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,301 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:54:27,303 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,303 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,305 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 06:54:27,306 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 06:54:27,306 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-14 06:54:27,307 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 06:54:27,307 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,308 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,308 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 06:54:27,309 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 06:54:27,309 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-12-14 06:54:27,310 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,310 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,311 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,311 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,312 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 06:54:27,312 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,312 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,313 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,313 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,313 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 06:54:27,314 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-12-14 06:54:27,314 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-14 06:54:27,314 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,314 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,314 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-12-14 06:54:27,315 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 06:54:27,315 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-12-14 06:54:27,316 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 06:54:27,316 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,316 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,317 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,318 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,318 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-12-14 06:54:27,318 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-12-14 06:54:27,319 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 06:54:27,320 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,320 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,320 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,320 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,321 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-12-14 06:54:27,321 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,321 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,321 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 06:54:27,321 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 06:54:27,322 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 06:54:27,322 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,322 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,322 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-12-14 06:54:27,323 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,323 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,323 WARN L623 FunctionHandler]: Unknown extern function proc_set_size [2022-12-14 06:54:27,323 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,323 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,324 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:54:27,324 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:54:27,324 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 06:54:27,325 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,325 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,325 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 06:54:27,325 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 06:54:27,325 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:54:27,326 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,326 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,327 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,327 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,327 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 06:54:27,327 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 06:54:27,328 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 06:54:27,328 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,328 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,328 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:54:27,328 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 06:54:27,328 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 06:54:27,329 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 06:54:27,329 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 06:54:27,329 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:54:27,330 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,330 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,330 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 06:54:27,330 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:54:27,330 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,331 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,331 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 06:54:27,331 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,331 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,331 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:54:27,332 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 06:54:27,332 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 06:54:27,332 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:54:27,332 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,333 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,333 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 06:54:27,333 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:54:27,334 WARN L623 FunctionHandler]: Unknown extern function proc_mkdir [2022-12-14 06:54:27,334 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 06:54:27,335 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 06:54:27,338 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 06:54:27,338 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 06:54:27,338 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 06:54:27,339 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 06:54:27,340 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_3 [2022-12-14 06:54:27,340 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_3 [2022-12-14 06:54:27,342 WARN L623 FunctionHandler]: Unknown extern function ldv_suspend_late_2 [2022-12-14 06:54:27,342 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_2 [2022-12-14 06:54:27,342 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_2 [2022-12-14 06:54:27,342 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_2 [2022-12-14 06:54:27,342 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_2 [2022-12-14 06:54:27,343 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_2 [2022-12-14 06:54:27,343 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_2 [2022-12-14 06:54:27,343 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 06:54:27,345 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 06:54:27,346 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 06:54:27,346 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 06:54:27,346 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 06:54:27,346 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 06:54:27,346 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 06:54:27,347 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 06:54:27,347 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 06:54:27,347 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_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i[293856,293869] [2022-12-14 06:54:27,348 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-14 06:54:27,350 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-12-14 06:54:27,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:54:27,410 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:54:27,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:27 WrapperNode [2022-12-14 06:54:27,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:54:27,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:54:27,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:54:27,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:54:27,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:27" (1/1) ... [2022-12-14 06:54:27,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:27" (1/1) ... [2022-12-14 06:54:27,561 INFO L138 Inliner]: procedures = 275, calls = 2222, calls flagged for inlining = 131, calls inlined = 123, statements flattened = 4838 [2022-12-14 06:54:27,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:54:27,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:54:27,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:54:27,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:54:27,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:27" (1/1) ... [2022-12-14 06:54:27,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:27" (1/1) ... [2022-12-14 06:54:27,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:27" (1/1) ... [2022-12-14 06:54:27,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:27" (1/1) ... [2022-12-14 06:54:27,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:27" (1/1) ... [2022-12-14 06:54:27,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:27" (1/1) ... [2022-12-14 06:54:27,696 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:27" (1/1) ... [2022-12-14 06:54:27,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:27" (1/1) ... [2022-12-14 06:54:27,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:54:27,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:54:27,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:54:27,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:54:27,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:27" (1/1) ... [2022-12-14 06:54:27,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:54:27,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:54:27,745 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:54:27,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:54:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-12-14 06:54:27,777 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-12-14 06:54:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_2 [2022-12-14 06:54:27,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_2 [2022-12-14 06:54:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 06:54:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 06:54:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 06:54:27,777 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 06:54:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 06:54:27,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 06:54:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 06:54:27,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 06:54:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-14 06:54:27,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-14 06:54:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-12-14 06:54:27,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-12-14 06:54:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_count [2022-12-14 06:54:27,777 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_count [2022-12-14 06:54:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 06:54:27,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 06:54:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-12-14 06:54:27,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-12-14 06:54:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_status [2022-12-14 06:54:27,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_status [2022-12-14 06:54:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-14 06:54:27,778 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-14 06:54:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_status [2022-12-14 06:54:27,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_status [2022-12-14 06:54:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-12-14 06:54:27,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-12-14 06:54:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 06:54:27,778 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 06:54:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 06:54:27,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 06:54:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ring_debug [2022-12-14 06:54:27,779 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ring_debug [2022-12-14 06:54:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-14 06:54:27,779 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-14 06:54:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-14 06:54:27,779 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-14 06:54:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 06:54:27,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 06:54:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 06:54:27,779 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 06:54:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-14 06:54:27,779 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-14 06:54:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-14 06:54:27,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-14 06:54:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2022-12-14 06:54:27,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2022-12-14 06:54:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure ring_get [2022-12-14 06:54:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_get [2022-12-14 06:54:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-12-14 06:54:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-12-14 06:54:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:54:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_resume [2022-12-14 06:54:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_resume [2022-12-14 06:54:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-14 06:54:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-14 06:54:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 06:54:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-14 06:54:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-14 06:54:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 06:54:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-12-14 06:54:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-12-14 06:54:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_us_delta [2022-12-14 06:54:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_us_delta [2022-12-14 06:54:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 06:54:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 06:54:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_free_ring [2022-12-14 06:54:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_free_ring [2022-12-14 06:54:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure ring_last [2022-12-14 06:54:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_last [2022-12-14 06:54:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-12-14 06:54:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-12-14 06:54:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:54:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure ring_put [2022-12-14 06:54:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_put [2022-12-14 06:54:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-12-14 06:54:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-12-14 06:54:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 06:54:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-12-14 06:54:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-12-14 06:54:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-12-14 06:54:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-12-14 06:54:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 06:54:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 06:54:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_tx_timeout [2022-12-14 06:54:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_tx_timeout [2022-12-14 06:54:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-12-14 06:54:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-12-14 06:54:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-14 06:54:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-14 06:54:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-14 06:54:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-14 06:54:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-12-14 06:54:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-12-14 06:54:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-14 06:54:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-14 06:54:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_addr_status [2022-12-14 06:54:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_addr_status [2022-12-14 06:54:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 06:54:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_destroy_hwif [2022-12-14 06:54:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_destroy_hwif [2022-12-14 06:54:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 06:54:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 06:54:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 06:54:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_stop_hw [2022-12-14 06:54:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_stop_hw [2022-12-14 06:54:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_addr [2022-12-14 06:54:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_addr [2022-12-14 06:54:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 06:54:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-14 06:54:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-14 06:54:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-14 06:54:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-14 06:54:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_remove [2022-12-14 06:54:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_remove [2022-12-14 06:54:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 06:54:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 06:54:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-12-14 06:54:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-12-14 06:54:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_clear_regs [2022-12-14 06:54:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_clear_regs [2022-12-14 06:54:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-14 06:54:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-14 06:54:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 06:54:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 06:54:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-12-14 06:54:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-12-14 06:54:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 06:54:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 06:54:27,807 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_start_hw [2022-12-14 06:54:27,807 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_start_hw [2022-12-14 06:54:27,808 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-14 06:54:27,808 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-14 06:54:27,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 06:54:27,808 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 06:54:27,808 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 06:54:27,808 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-12-14 06:54:27,808 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-12-14 06:54:27,808 INFO L130 BoogieDeclarations]: Found specification of procedure rd_activate [2022-12-14 06:54:27,808 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_activate [2022-12-14 06:54:27,808 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-12-14 06:54:27,808 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-12-14 06:54:27,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 06:54:27,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 06:54:27,808 INFO L130 BoogieDeclarations]: Found specification of procedure rd_is_active [2022-12-14 06:54:27,808 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_is_active [2022-12-14 06:54:27,808 INFO L130 BoogieDeclarations]: Found specification of procedure irlap_close [2022-12-14 06:54:27,808 INFO L138 BoogieDeclarations]: Found implementation of procedure irlap_close [2022-12-14 06:54:27,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-14 06:54:27,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-14 06:54:27,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 06:54:27,809 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_count [2022-12-14 06:54:27,809 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_count [2022-12-14 06:54:27,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-14 06:54:27,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-14 06:54:27,809 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-12-14 06:54:27,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-12-14 06:54:27,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:54:27,809 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-14 06:54:27,809 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-14 06:54:27,809 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 06:54:27,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 06:54:27,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 06:54:27,809 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 06:54:27,809 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_tx [2022-12-14 06:54:27,810 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_tx [2022-12-14 06:54:27,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-12-14 06:54:27,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-12-14 06:54:27,810 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ioctl [2022-12-14 06:54:27,810 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ioctl [2022-12-14 06:54:27,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_2 [2022-12-14 06:54:27,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_2 [2022-12-14 06:54:27,810 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-12-14 06:54:27,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-12-14 06:54:27,810 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_alloc_ring [2022-12-14 06:54:27,810 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_alloc_ring [2022-12-14 06:54:27,810 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_fill_rx [2022-12-14 06:54:27,810 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_fill_rx [2022-12-14 06:54:27,810 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-12-14 06:54:27,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-12-14 06:54:27,810 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_rx [2022-12-14 06:54:27,810 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_rx [2022-12-14 06:54:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-12-14 06:54:27,811 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-12-14 06:54:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_reg_debug [2022-12-14 06:54:27,811 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_reg_debug [2022-12-14 06:54:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:54:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_set_baud [2022-12-14 06:54:27,811 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_set_baud [2022-12-14 06:54:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-12-14 06:54:27,811 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-12-14 06:54:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure ring_first [2022-12-14 06:54:27,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_first [2022-12-14 06:54:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-12-14 06:54:27,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-12-14 06:54:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:54:27,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:54:28,305 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:54:28,308 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:54:28,641 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 06:54:34,576 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:54:35,327 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:54:35,327 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 06:54:35,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:54:35 BoogieIcfgContainer [2022-12-14 06:54:35,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:54:35,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:54:35,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:54:35,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:54:35,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:54:25" (1/3) ... [2022-12-14 06:54:35,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d733a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:54:35, skipping insertion in model container [2022-12-14 06:54:35,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:27" (2/3) ... [2022-12-14 06:54:35,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d733a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:54:35, skipping insertion in model container [2022-12-14 06:54:35,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:54:35" (3/3) ... [2022-12-14 06:54:35,338 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i [2022-12-14 06:54:35,356 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:54:35,356 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 06:54:35,426 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:54:35,432 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=FINITE_AUTOMATA, 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;@3d670986, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:54:35,432 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 06:54:35,440 INFO L276 IsEmpty]: Start isEmpty. Operand has 1228 states, 727 states have (on average 1.2943603851444292) internal successors, (941), 753 states have internal predecessors, (941), 409 states have call successors, (409), 91 states have call predecessors, (409), 90 states have return successors, (402), 401 states have call predecessors, (402), 402 states have call successors, (402) [2022-12-14 06:54:35,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-14 06:54:35,460 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:54:35,460 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:54:35,461 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:54:35,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:54:35,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1840397815, now seen corresponding path program 1 times [2022-12-14 06:54:35,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:54:35,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824733434] [2022-12-14 06:54:35,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:54:35,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:54:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:54:36,109 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-12-14 06:54:36,110 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:54:36,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824733434] [2022-12-14 06:54:36,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824733434] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:54:36,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:54:36,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:54:36,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445231590] [2022-12-14 06:54:36,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:54:36,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:54:36,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:54:36,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:54:36,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:54:36,152 INFO L87 Difference]: Start difference. First operand has 1228 states, 727 states have (on average 1.2943603851444292) internal successors, (941), 753 states have internal predecessors, (941), 409 states have call successors, (409), 91 states have call predecessors, (409), 90 states have return successors, (402), 401 states have call predecessors, (402), 402 states have call successors, (402) Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 06:54:39,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:54:39,627 INFO L93 Difference]: Finished difference Result 3236 states and 4636 transitions. [2022-12-14 06:54:39,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:54:39,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 131 [2022-12-14 06:54:39,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:54:39,648 INFO L225 Difference]: With dead ends: 3236 [2022-12-14 06:54:39,648 INFO L226 Difference]: Without dead ends: 2002 [2022-12-14 06:54:39,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:54:39,661 INFO L413 NwaCegarLoop]: 1803 mSDtfsCounter, 1180 mSDsluCounter, 1460 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 3263 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-12-14 06:54:39,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1180 Valid, 3263 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-12-14 06:54:39,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2002 states. [2022-12-14 06:54:39,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2002 to 1998. [2022-12-14 06:54:39,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1998 states, 1189 states have (on average 1.2775441547518924) internal successors, (1519), 1214 states have internal predecessors, (1519), 650 states have call successors, (650), 159 states have call predecessors, (650), 158 states have return successors, (653), 646 states have call predecessors, (653), 649 states have call successors, (653) [2022-12-14 06:54:39,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1998 states to 1998 states and 2822 transitions. [2022-12-14 06:54:39,814 INFO L78 Accepts]: Start accepts. Automaton has 1998 states and 2822 transitions. Word has length 131 [2022-12-14 06:54:39,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:54:39,815 INFO L495 AbstractCegarLoop]: Abstraction has 1998 states and 2822 transitions. [2022-12-14 06:54:39,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 06:54:39,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1998 states and 2822 transitions. [2022-12-14 06:54:39,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-12-14 06:54:39,822 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:54:39,822 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:54:39,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 06:54:39,823 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:54:39,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:54:39,823 INFO L85 PathProgramCache]: Analyzing trace with hash -855395575, now seen corresponding path program 1 times [2022-12-14 06:54:39,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:54:39,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90659688] [2022-12-14 06:54:39,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:54:39,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:54:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:54:40,358 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-12-14 06:54:40,359 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:54:40,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90659688] [2022-12-14 06:54:40,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90659688] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:54:40,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:54:40,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:54:40,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405800000] [2022-12-14 06:54:40,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:54:40,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:54:40,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:54:40,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:54:40,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:54:40,362 INFO L87 Difference]: Start difference. First operand 1998 states and 2822 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-14 06:54:42,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:54:47,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:54:47,880 INFO L93 Difference]: Finished difference Result 5852 states and 8264 transitions. [2022-12-14 06:54:47,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 06:54:47,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 186 [2022-12-14 06:54:47,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:54:47,904 INFO L225 Difference]: With dead ends: 5852 [2022-12-14 06:54:47,904 INFO L226 Difference]: Without dead ends: 3882 [2022-12-14 06:54:47,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:54:47,915 INFO L413 NwaCegarLoop]: 1908 mSDtfsCounter, 1542 mSDsluCounter, 5285 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1546 SdHoareTripleChecker+Valid, 7193 SdHoareTripleChecker+Invalid, 878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-12-14 06:54:47,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1546 Valid, 7193 Invalid, 878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 875 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-12-14 06:54:47,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3882 states. [2022-12-14 06:54:48,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3882 to 3866. [2022-12-14 06:54:48,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3866 states, 2304 states have (on average 1.2786458333333333) internal successors, (2946), 2354 states have internal predecessors, (2946), 1249 states have call successors, (1249), 313 states have call predecessors, (1249), 312 states have return successors, (1256), 1241 states have call predecessors, (1256), 1248 states have call successors, (1256) [2022-12-14 06:54:48,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3866 states to 3866 states and 5451 transitions. [2022-12-14 06:54:48,090 INFO L78 Accepts]: Start accepts. Automaton has 3866 states and 5451 transitions. Word has length 186 [2022-12-14 06:54:48,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:54:48,090 INFO L495 AbstractCegarLoop]: Abstraction has 3866 states and 5451 transitions. [2022-12-14 06:54:48,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-14 06:54:48,090 INFO L276 IsEmpty]: Start isEmpty. Operand 3866 states and 5451 transitions. [2022-12-14 06:54:48,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-12-14 06:54:48,093 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:54:48,093 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:54:48,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 06:54:48,094 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:54:48,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:54:48,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1041697881, now seen corresponding path program 1 times [2022-12-14 06:54:48,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:54:48,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126518452] [2022-12-14 06:54:48,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:54:48,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:54:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:54:48,513 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-12-14 06:54:48,513 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:54:48,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126518452] [2022-12-14 06:54:48,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126518452] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:54:48,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:54:48,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:54:48,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287053282] [2022-12-14 06:54:48,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:54:48,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:54:48,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:54:48,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:54:48,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:54:48,515 INFO L87 Difference]: Start difference. First operand 3866 states and 5451 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-14 06:54:54,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:54:56,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:54:56,230 INFO L93 Difference]: Finished difference Result 7730 states and 10899 transitions. [2022-12-14 06:54:56,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 06:54:56,231 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 187 [2022-12-14 06:54:56,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:54:56,245 INFO L225 Difference]: With dead ends: 7730 [2022-12-14 06:54:56,245 INFO L226 Difference]: Without dead ends: 3892 [2022-12-14 06:54:56,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:54:56,256 INFO L413 NwaCegarLoop]: 1908 mSDtfsCounter, 1540 mSDsluCounter, 5285 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1544 SdHoareTripleChecker+Valid, 7193 SdHoareTripleChecker+Invalid, 878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-12-14 06:54:56,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1544 Valid, 7193 Invalid, 878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 875 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-12-14 06:54:56,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3892 states. [2022-12-14 06:54:56,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3892 to 3876. [2022-12-14 06:54:56,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3876 states, 2312 states have (on average 1.277681660899654) internal successors, (2954), 2362 states have internal predecessors, (2954), 1249 states have call successors, (1249), 315 states have call predecessors, (1249), 314 states have return successors, (1256), 1241 states have call predecessors, (1256), 1248 states have call successors, (1256) [2022-12-14 06:54:56,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3876 states to 3876 states and 5459 transitions. [2022-12-14 06:54:56,406 INFO L78 Accepts]: Start accepts. Automaton has 3876 states and 5459 transitions. Word has length 187 [2022-12-14 06:54:56,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:54:56,407 INFO L495 AbstractCegarLoop]: Abstraction has 3876 states and 5459 transitions. [2022-12-14 06:54:56,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-14 06:54:56,407 INFO L276 IsEmpty]: Start isEmpty. Operand 3876 states and 5459 transitions. [2022-12-14 06:54:56,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-12-14 06:54:56,409 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:54:56,410 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:54:56,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 06:54:56,410 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:54:56,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:54:56,410 INFO L85 PathProgramCache]: Analyzing trace with hash 649569548, now seen corresponding path program 1 times [2022-12-14 06:54:56,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:54:56,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774747063] [2022-12-14 06:54:56,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:54:56,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:54:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:54:56,793 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-12-14 06:54:56,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:54:56,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774747063] [2022-12-14 06:54:56,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774747063] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:54:56,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:54:56,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:54:56,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101591737] [2022-12-14 06:54:56,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:54:56,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:54:56,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:54:56,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:54:56,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:54:56,795 INFO L87 Difference]: Start difference. First operand 3876 states and 5459 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-14 06:54:58,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:55:04,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:55:04,985 INFO L93 Difference]: Finished difference Result 7750 states and 10913 transitions. [2022-12-14 06:55:04,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 06:55:04,986 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 188 [2022-12-14 06:55:04,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:55:04,998 INFO L225 Difference]: With dead ends: 7750 [2022-12-14 06:55:04,998 INFO L226 Difference]: Without dead ends: 3902 [2022-12-14 06:55:05,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:55:05,008 INFO L413 NwaCegarLoop]: 1908 mSDtfsCounter, 1538 mSDsluCounter, 5285 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1542 SdHoareTripleChecker+Valid, 7193 SdHoareTripleChecker+Invalid, 878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:55:05,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1542 Valid, 7193 Invalid, 878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 875 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2022-12-14 06:55:05,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3902 states. [2022-12-14 06:55:05,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3902 to 3886. [2022-12-14 06:55:05,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3886 states, 2320 states have (on average 1.2767241379310346) internal successors, (2962), 2370 states have internal predecessors, (2962), 1249 states have call successors, (1249), 317 states have call predecessors, (1249), 316 states have return successors, (1256), 1241 states have call predecessors, (1256), 1248 states have call successors, (1256) [2022-12-14 06:55:05,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3886 states to 3886 states and 5467 transitions. [2022-12-14 06:55:05,127 INFO L78 Accepts]: Start accepts. Automaton has 3886 states and 5467 transitions. Word has length 188 [2022-12-14 06:55:05,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:55:05,128 INFO L495 AbstractCegarLoop]: Abstraction has 3886 states and 5467 transitions. [2022-12-14 06:55:05,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-14 06:55:05,128 INFO L276 IsEmpty]: Start isEmpty. Operand 3886 states and 5467 transitions. [2022-12-14 06:55:05,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-12-14 06:55:05,130 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:55:05,130 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:55:05,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 06:55:05,131 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:55:05,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:55:05,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1579408906, now seen corresponding path program 1 times [2022-12-14 06:55:05,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:55:05,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538548611] [2022-12-14 06:55:05,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:05,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:55:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:05,480 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-12-14 06:55:05,480 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:55:05,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538548611] [2022-12-14 06:55:05,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538548611] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:55:05,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:55:05,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:55:05,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288342884] [2022-12-14 06:55:05,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:55:05,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:55:05,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:55:05,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:55:05,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:55:05,482 INFO L87 Difference]: Start difference. First operand 3886 states and 5467 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-14 06:55:06,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:55:13,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:55:13,025 INFO L93 Difference]: Finished difference Result 9458 states and 13269 transitions. [2022-12-14 06:55:13,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 06:55:13,026 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 185 [2022-12-14 06:55:13,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:55:13,044 INFO L225 Difference]: With dead ends: 9458 [2022-12-14 06:55:13,044 INFO L226 Difference]: Without dead ends: 5600 [2022-12-14 06:55:13,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:55:13,054 INFO L413 NwaCegarLoop]: 2042 mSDtfsCounter, 1395 mSDsluCounter, 5555 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1399 SdHoareTripleChecker+Valid, 7597 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-12-14 06:55:13,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1399 Valid, 7597 Invalid, 1046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-12-14 06:55:13,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5600 states. [2022-12-14 06:55:13,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5600 to 5540. [2022-12-14 06:55:13,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5540 states, 3306 states have (on average 1.2770719903206291) internal successors, (4222), 3375 states have internal predecessors, (4222), 1769 states have call successors, (1769), 465 states have call predecessors, (1769), 464 states have return successors, (1780), 1757 states have call predecessors, (1780), 1768 states have call successors, (1780) [2022-12-14 06:55:13,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5540 states to 5540 states and 7771 transitions. [2022-12-14 06:55:13,272 INFO L78 Accepts]: Start accepts. Automaton has 5540 states and 7771 transitions. Word has length 185 [2022-12-14 06:55:13,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:55:13,273 INFO L495 AbstractCegarLoop]: Abstraction has 5540 states and 7771 transitions. [2022-12-14 06:55:13,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-14 06:55:13,273 INFO L276 IsEmpty]: Start isEmpty. Operand 5540 states and 7771 transitions. [2022-12-14 06:55:13,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-12-14 06:55:13,277 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:55:13,277 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:55:13,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 06:55:13,278 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:55:13,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:55:13,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1719636471, now seen corresponding path program 1 times [2022-12-14 06:55:13,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:55:13,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396321772] [2022-12-14 06:55:13,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:13,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:55:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:13,798 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2022-12-14 06:55:13,799 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:55:13,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396321772] [2022-12-14 06:55:13,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396321772] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:55:13,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546584398] [2022-12-14 06:55:13,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:13,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:55:13,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:55:13,800 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:55:13,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 06:55:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:14,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 4196 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 06:55:14,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:55:14,568 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-12-14 06:55:14,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:55:14,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546584398] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:55:14,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 06:55:14,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-12-14 06:55:14,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788433937] [2022-12-14 06:55:14,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:55:14,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 06:55:14,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:55:14,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 06:55:14,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-12-14 06:55:14,570 INFO L87 Difference]: Start difference. First operand 5540 states and 7771 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 06:55:18,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:55:25,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:55:32,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:55:32,612 INFO L93 Difference]: Finished difference Result 13006 states and 18244 transitions. [2022-12-14 06:55:32,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 06:55:32,612 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 198 [2022-12-14 06:55:32,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:55:32,642 INFO L225 Difference]: With dead ends: 13006 [2022-12-14 06:55:32,642 INFO L226 Difference]: Without dead ends: 9148 [2022-12-14 06:55:32,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2022-12-14 06:55:32,654 INFO L413 NwaCegarLoop]: 2165 mSDtfsCounter, 1580 mSDsluCounter, 10138 mSDsCounter, 0 mSdLazyCounter, 1669 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1584 SdHoareTripleChecker+Valid, 12303 SdHoareTripleChecker+Invalid, 1672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1669 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-12-14 06:55:32,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1584 Valid, 12303 Invalid, 1672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1669 Invalid, 1 Unknown, 0 Unchecked, 17.7s Time] [2022-12-14 06:55:32,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9148 states. [2022-12-14 06:55:32,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9148 to 9086. [2022-12-14 06:55:32,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9086 states, 5427 states have (on average 1.2782384374424176) internal successors, (6937), 5548 states have internal predecessors, (6937), 2888 states have call successors, (2888), 767 states have call predecessors, (2888), 770 states have return successors, (2917), 2864 states have call predecessors, (2917), 2887 states have call successors, (2917) [2022-12-14 06:55:32,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9086 states to 9086 states and 12742 transitions. [2022-12-14 06:55:32,982 INFO L78 Accepts]: Start accepts. Automaton has 9086 states and 12742 transitions. Word has length 198 [2022-12-14 06:55:32,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:55:32,983 INFO L495 AbstractCegarLoop]: Abstraction has 9086 states and 12742 transitions. [2022-12-14 06:55:32,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 06:55:32,983 INFO L276 IsEmpty]: Start isEmpty. Operand 9086 states and 12742 transitions. [2022-12-14 06:55:32,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-12-14 06:55:32,991 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:55:32,991 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:55:33,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 06:55:33,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-14 06:55:33,193 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:55:33,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:55:33,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1240087031, now seen corresponding path program 1 times [2022-12-14 06:55:33,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:55:33,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595338431] [2022-12-14 06:55:33,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:33,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:55:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:33,818 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-12-14 06:55:33,819 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:55:33,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595338431] [2022-12-14 06:55:33,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595338431] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:55:33,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091980510] [2022-12-14 06:55:33,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:33,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:55:33,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:55:33,820 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:55:33,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 06:55:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:34,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 4198 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 06:55:34,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:55:34,598 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-12-14 06:55:34,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:55:34,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091980510] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:55:34,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 06:55:34,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-12-14 06:55:34,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398481983] [2022-12-14 06:55:34,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:55:34,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 06:55:34,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:55:34,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 06:55:34,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-12-14 06:55:34,601 INFO L87 Difference]: Start difference. First operand 9086 states and 12742 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 06:55:36,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:55:39,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:55:48,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:55:54,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:55:54,696 INFO L93 Difference]: Finished difference Result 20120 states and 28206 transitions. [2022-12-14 06:55:54,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 06:55:54,697 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 199 [2022-12-14 06:55:54,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:55:54,738 INFO L225 Difference]: With dead ends: 20120 [2022-12-14 06:55:54,738 INFO L226 Difference]: Without dead ends: 12716 [2022-12-14 06:55:54,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-12-14 06:55:54,760 INFO L413 NwaCegarLoop]: 2174 mSDtfsCounter, 1580 mSDsluCounter, 10162 mSDsCounter, 0 mSdLazyCounter, 1676 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1584 SdHoareTripleChecker+Valid, 12336 SdHoareTripleChecker+Invalid, 1679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1676 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2022-12-14 06:55:54,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1584 Valid, 12336 Invalid, 1679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1676 Invalid, 1 Unknown, 0 Unchecked, 19.7s Time] [2022-12-14 06:55:54,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12716 states. [2022-12-14 06:55:55,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12716 to 12642. [2022-12-14 06:55:55,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12642 states, 7554 states have (on average 1.2785279322213396) internal successors, (9658), 7733 states have internal predecessors, (9658), 4007 states have call successors, (4007), 1069 states have call predecessors, (4007), 1080 states have return successors, (4060), 3969 states have call predecessors, (4060), 4006 states have call successors, (4060) [2022-12-14 06:55:55,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12642 states to 12642 states and 17725 transitions. [2022-12-14 06:55:55,162 INFO L78 Accepts]: Start accepts. Automaton has 12642 states and 17725 transitions. Word has length 199 [2022-12-14 06:55:55,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:55:55,162 INFO L495 AbstractCegarLoop]: Abstraction has 12642 states and 17725 transitions. [2022-12-14 06:55:55,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 06:55:55,162 INFO L276 IsEmpty]: Start isEmpty. Operand 12642 states and 17725 transitions. [2022-12-14 06:55:55,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-12-14 06:55:55,168 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:55:55,169 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:55:55,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 06:55:55,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:55:55,369 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:55:55,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:55:55,370 INFO L85 PathProgramCache]: Analyzing trace with hash 217988350, now seen corresponding path program 1 times [2022-12-14 06:55:55,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:55:55,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117120273] [2022-12-14 06:55:55,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:55,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:55:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:55,898 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-12-14 06:55:55,898 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:55:55,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117120273] [2022-12-14 06:55:55,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117120273] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:55:55,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554318673] [2022-12-14 06:55:55,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:55,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:55:55,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:55:55,899 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:55:55,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 06:55:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:56,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 4200 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 06:55:56,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:55:56,727 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-12-14 06:55:56,727 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:55:56,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554318673] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:55:56,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 06:55:56,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-12-14 06:55:56,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809564004] [2022-12-14 06:55:56,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:55:56,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 06:55:56,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:55:56,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 06:55:56,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-12-14 06:55:56,729 INFO L87 Difference]: Start difference. First operand 12642 states and 17725 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 06:55:58,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:56:00,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:56:01,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:56:08,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:56:15,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:56:15,916 INFO L93 Difference]: Finished difference Result 27228 states and 38164 transitions. [2022-12-14 06:56:15,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 06:56:15,916 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 200 [2022-12-14 06:56:15,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:56:15,959 INFO L225 Difference]: With dead ends: 27228 [2022-12-14 06:56:15,959 INFO L226 Difference]: Without dead ends: 16268 [2022-12-14 06:56:15,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-12-14 06:56:15,984 INFO L413 NwaCegarLoop]: 2174 mSDtfsCounter, 1580 mSDsluCounter, 10162 mSDsCounter, 0 mSdLazyCounter, 1677 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1584 SdHoareTripleChecker+Valid, 12336 SdHoareTripleChecker+Invalid, 1679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2022-12-14 06:56:15,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1584 Valid, 12336 Invalid, 1679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1677 Invalid, 0 Unknown, 0 Unchecked, 18.6s Time] [2022-12-14 06:56:15,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16268 states. [2022-12-14 06:56:16,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16268 to 12644. [2022-12-14 06:56:16,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12644 states, 7556 states have (on average 1.278454208575966) internal successors, (9660), 7733 states have internal predecessors, (9660), 4007 states have call successors, (4007), 1069 states have call predecessors, (4007), 1080 states have return successors, (4060), 3971 states have call predecessors, (4060), 4006 states have call successors, (4060) [2022-12-14 06:56:16,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12644 states to 12644 states and 17727 transitions. [2022-12-14 06:56:16,400 INFO L78 Accepts]: Start accepts. Automaton has 12644 states and 17727 transitions. Word has length 200 [2022-12-14 06:56:16,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:56:16,400 INFO L495 AbstractCegarLoop]: Abstraction has 12644 states and 17727 transitions. [2022-12-14 06:56:16,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 06:56:16,400 INFO L276 IsEmpty]: Start isEmpty. Operand 12644 states and 17727 transitions. [2022-12-14 06:56:16,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-12-14 06:56:16,407 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:56:16,407 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:56:16,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 06:56:16,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-12-14 06:56:16,608 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:56:16,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:56:16,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1188875632, now seen corresponding path program 1 times [2022-12-14 06:56:16,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:56:16,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54841849] [2022-12-14 06:56:16,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:56:16,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:56:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:56:17,082 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-12-14 06:56:17,083 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:56:17,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54841849] [2022-12-14 06:56:17,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54841849] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:56:17,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634654988] [2022-12-14 06:56:17,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:56:17,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:56:17,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:56:17,084 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:56:17,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 06:56:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:56:17,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 4202 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 06:56:17,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:56:17,898 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-12-14 06:56:17,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:56:17,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634654988] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:56:17,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 06:56:17,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-12-14 06:56:17,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102248255] [2022-12-14 06:56:17,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:56:17,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 06:56:17,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:56:17,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 06:56:17,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-12-14 06:56:17,900 INFO L87 Difference]: Start difference. First operand 12644 states and 17727 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 06:56:25,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:56:31,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:56:34,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:56:34,250 INFO L93 Difference]: Finished difference Result 27234 states and 38170 transitions. [2022-12-14 06:56:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 06:56:34,251 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 201 [2022-12-14 06:56:34,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:56:34,290 INFO L225 Difference]: With dead ends: 27234 [2022-12-14 06:56:34,290 INFO L226 Difference]: Without dead ends: 16272 [2022-12-14 06:56:34,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-12-14 06:56:34,311 INFO L413 NwaCegarLoop]: 2174 mSDtfsCounter, 1580 mSDsluCounter, 10162 mSDsCounter, 0 mSdLazyCounter, 1677 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1584 SdHoareTripleChecker+Valid, 12336 SdHoareTripleChecker+Invalid, 1679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2022-12-14 06:56:34,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1584 Valid, 12336 Invalid, 1679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1677 Invalid, 0 Unknown, 0 Unchecked, 15.9s Time] [2022-12-14 06:56:34,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16272 states. [2022-12-14 06:56:34,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16272 to 12646. [2022-12-14 06:56:34,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12646 states, 7558 states have (on average 1.2783805239481345) internal successors, (9662), 7733 states have internal predecessors, (9662), 4007 states have call successors, (4007), 1069 states have call predecessors, (4007), 1080 states have return successors, (4060), 3973 states have call predecessors, (4060), 4006 states have call successors, (4060) [2022-12-14 06:56:34,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12646 states to 12646 states and 17729 transitions. [2022-12-14 06:56:34,701 INFO L78 Accepts]: Start accepts. Automaton has 12646 states and 17729 transitions. Word has length 201 [2022-12-14 06:56:34,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:56:34,702 INFO L495 AbstractCegarLoop]: Abstraction has 12646 states and 17729 transitions. [2022-12-14 06:56:34,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 06:56:34,702 INFO L276 IsEmpty]: Start isEmpty. Operand 12646 states and 17729 transitions. [2022-12-14 06:56:34,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-12-14 06:56:34,736 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:56:34,736 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:56:34,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-14 06:56:34,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:56:34,937 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:56:34,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:56:34,937 INFO L85 PathProgramCache]: Analyzing trace with hash -995110618, now seen corresponding path program 1 times [2022-12-14 06:56:34,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:56:34,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549232937] [2022-12-14 06:56:34,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:56:34,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:56:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:56:35,145 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2022-12-14 06:56:35,146 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:56:35,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549232937] [2022-12-14 06:56:35,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549232937] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:56:35,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:56:35,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:56:35,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256299093] [2022-12-14 06:56:35,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:56:35,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:56:35,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:56:35,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:56:35,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:56:35,147 INFO L87 Difference]: Start difference. First operand 12646 states and 17729 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 06:56:36,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:56:39,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:56:41,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:56:41,104 INFO L93 Difference]: Finished difference Result 32990 states and 46057 transitions. [2022-12-14 06:56:41,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:56:41,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 201 [2022-12-14 06:56:41,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:56:41,154 INFO L225 Difference]: With dead ends: 32990 [2022-12-14 06:56:41,154 INFO L226 Difference]: Without dead ends: 20372 [2022-12-14 06:56:41,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:56:41,182 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 1370 mSDsluCounter, 1443 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1370 SdHoareTripleChecker+Valid, 3755 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-14 06:56:41,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1370 Valid, 3755 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-12-14 06:56:41,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20372 states. [2022-12-14 06:56:41,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20372 to 20355. [2022-12-14 06:56:41,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20355 states, 12168 states have (on average 1.2765450361604207) internal successors, (15533), 12491 states have internal predecessors, (15533), 6362 states have call successors, (6362), 1801 states have call predecessors, (6362), 1824 states have return successors, (6441), 6288 states have call predecessors, (6441), 6361 states have call successors, (6441) [2022-12-14 06:56:41,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20355 states to 20355 states and 28336 transitions. [2022-12-14 06:56:41,783 INFO L78 Accepts]: Start accepts. Automaton has 20355 states and 28336 transitions. Word has length 201 [2022-12-14 06:56:41,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:56:41,783 INFO L495 AbstractCegarLoop]: Abstraction has 20355 states and 28336 transitions. [2022-12-14 06:56:41,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 06:56:41,784 INFO L276 IsEmpty]: Start isEmpty. Operand 20355 states and 28336 transitions. [2022-12-14 06:56:41,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-12-14 06:56:41,789 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:56:41,789 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:56:41,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 06:56:41,789 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:56:41,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:56:41,789 INFO L85 PathProgramCache]: Analyzing trace with hash -643985324, now seen corresponding path program 1 times [2022-12-14 06:56:41,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:56:41,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742290348] [2022-12-14 06:56:41,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:56:41,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:56:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:56:42,304 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2022-12-14 06:56:42,304 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:56:42,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742290348] [2022-12-14 06:56:42,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742290348] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:56:42,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653291754] [2022-12-14 06:56:42,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:56:42,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:56:42,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:56:42,306 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:56:42,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f17fdc-b8e5-4f8f-a2bd-b34bf01f5488/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 06:56:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:56:43,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 4269 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 06:56:43,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:56:43,214 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2022-12-14 06:56:43,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 06:56:43,558 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-12-14 06:56:43,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653291754] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 06:56:43,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [398693512] [2022-12-14 06:56:43,581 INFO L159 IcfgInterpreter]: Started Sifa with 118 locations of interest [2022-12-14 06:56:43,581 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 06:56:43,584 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 06:56:43,588 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 06:56:43,589 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 06:56:48,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:56:48,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:56:48,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:56:48,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:56:48,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2022-12-14 06:56:48,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2022-12-14 06:56:48,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:56:48,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:56:48,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2022-12-14 06:56:48,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2022-12-14 06:56:48,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 06:56:49,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:56:49,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:56:49,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:56:49,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:56:49,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:56:50,705 INFO L217 Elim1Store]: Index analysis took 1619 ms [2022-12-14 07:06:00,575 WARN L233 SmtUtils]: Spent 9.16m on a formula simplification. DAG size of input: 7025 DAG size of output: 3099 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 07:06:00,584 INFO L321 Elim1Store]: treesize reduction 25786, result has 19.9 percent of original size [2022-12-14 07:06:00,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 318 select indices, 318 select index equivalence classes, 50413 disjoint index pairs (out of 50403 index pairs), introduced 318 new quantified variables, introduced 321 case distinctions, treesize of input 1609 treesize of output 7380 [2022-12-14 07:06:06,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 07:06:10,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 103 select indices, 103 select index equivalence classes, 5356 disjoint index pairs (out of 5253 index pairs), introduced 103 new quantified variables, introduced 0 case distinctions, treesize of input 3296 treesize of output 2884 [2022-12-14 07:06:17,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:06:25,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:06:25,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:06:25,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:06:25,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:06:44,810 INFO L217 Elim1Store]: Index analysis took 30196 ms