./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur --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 571c11c6f0409625a5365ddd11520f6f1824739b70fa0b8a35b203b7dabba441 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:55:33,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:55:33,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:55:33,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:55:33,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:55:33,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:55:33,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:55:33,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:55:33,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:55:33,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:55:33,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:55:33,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:55:33,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:55:33,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:55:33,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:55:33,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:55:33,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:55:33,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:55:33,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:55:33,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:55:33,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:55:33,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:55:33,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:55:33,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:55:33,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:55:33,621 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:55:33,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:55:33,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:55:33,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:55:33,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:55:33,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:55:33,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:55:33,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:55:33,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:55:33,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:55:33,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:55:33,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:55:33,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:55:33,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:55:33,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:55:33,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:55:33,642 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:55:33,676 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:55:33,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:55:33,680 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:55:33,680 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:55:33,681 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:55:33,681 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:55:33,682 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:55:33,682 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:55:33,682 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:55:33,682 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:55:33,683 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:55:33,684 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:55:33,684 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:55:33,684 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:55:33,684 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:55:33,685 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:55:33,685 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:55:33,685 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:55:33,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:55:33,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:55:33,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:55:33,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:55:33,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:55:33,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:55:33,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:55:33,687 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:55:33,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:55:33,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:55:33,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:55:33,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:55:33,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:55:33,690 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:55:33,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:55:33,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:55:33,690 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:55:33,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:55:33,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:55:33,691 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:55:33,691 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_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 571c11c6f0409625a5365ddd11520f6f1824739b70fa0b8a35b203b7dabba441 [2022-11-26 00:55:33,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:55:34,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:55:34,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:55:34,008 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:55:34,009 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:55:34,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i [2022-11-26 00:55:37,130 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:55:37,796 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:55:37,797 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i [2022-11-26 00:55:37,838 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/data/ede99b55f/fd070ed4e56b4766bd9086d578c3fca7/FLAGc69189a22 [2022-11-26 00:55:37,860 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/data/ede99b55f/fd070ed4e56b4766bd9086d578c3fca7 [2022-11-26 00:55:37,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:55:37,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:55:37,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:55:37,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:55:37,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:55:37,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:55:37" (1/1) ... [2022-11-26 00:55:37,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd7e4a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:37, skipping insertion in model container [2022-11-26 00:55:37,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:55:37" (1/1) ... [2022-11-26 00:55:37,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:55:38,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:55:38,475 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3747] [2022-11-26 00:55:38,475 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3748-3749] [2022-11-26 00:55:38,536 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:55:38,552 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-26 00:55:38,666 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:55:38,673 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:55:38,680 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:55:38,710 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:38,768 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_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i[117013,117026] [2022-11-26 00:55:38,800 WARN L623 FunctionHandler]: Unknown extern function devm_request_threaded_irq [2022-11-26 00:55:38,826 WARN L623 FunctionHandler]: Unknown extern function devm_kmalloc [2022-11-26 00:55:38,914 WARN L623 FunctionHandler]: Unknown extern function clk_prepare [2022-11-26 00:55:38,915 WARN L623 FunctionHandler]: Unknown extern function clk_enable [2022-11-26 00:55:38,915 WARN L623 FunctionHandler]: Unknown extern function clk_unprepare [2022-11-26 00:55:38,920 WARN L623 FunctionHandler]: Unknown extern function clk_disable [2022-11-26 00:55:38,920 WARN L623 FunctionHandler]: Unknown extern function clk_unprepare [2022-11-26 00:55:39,018 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,030 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-26 00:55:39,032 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-26 00:55:39,033 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-11-26 00:55:39,039 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,040 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:55:39,042 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,054 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unmap_request [2022-11-26 00:55:39,064 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,068 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,070 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,074 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,077 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,081 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,084 WARN L623 FunctionHandler]: Unknown extern function iowrite32_rep [2022-11-26 00:55:39,096 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,105 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:39,106 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,107 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:39,110 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,112 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:55:39,114 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,117 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,120 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,123 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,126 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,129 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,131 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,134 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:55:39,136 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,142 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_map_request [2022-11-26 00:55:39,142 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,149 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,159 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:55:39,164 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,179 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,180 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:55:39,182 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:55:39,187 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,188 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:55:39,191 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,204 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,209 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,211 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,233 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,236 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,244 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,253 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,261 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:39,264 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,269 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,274 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,279 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,281 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,289 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,290 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,298 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:55:39,300 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,301 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:39,302 WARN L623 FunctionHandler]: Unknown extern function ioread32_rep [2022-11-26 00:55:39,306 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:55:39,308 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,321 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,328 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,357 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:39,358 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,360 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,364 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,366 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,372 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,373 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:55:39,378 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:39,392 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,398 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,399 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:55:39,440 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,452 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,454 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,456 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,459 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,462 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,467 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,480 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,483 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,489 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,493 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,499 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,505 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:39,506 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,512 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,514 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:55:39,516 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,525 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,527 WARN L623 FunctionHandler]: Unknown extern function usb_speed_string [2022-11-26 00:55:39,528 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:39,529 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,549 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,550 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,551 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:39,554 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,565 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,566 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:55:39,567 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,573 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,574 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:55:39,574 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:55:39,580 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,581 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:39,583 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,586 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,588 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,590 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:39,593 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,593 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:55:39,600 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,604 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,605 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:55:39,606 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:39,607 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:39,611 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,611 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:39,612 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:39,618 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,619 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:39,620 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,621 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,622 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,624 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,626 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,631 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:39,635 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,637 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,647 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:39,648 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:39,649 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:55:39,661 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,662 WARN L623 FunctionHandler]: Unknown extern function phy_init [2022-11-26 00:55:39,663 WARN L623 FunctionHandler]: Unknown extern function phy_power_on [2022-11-26 00:55:39,667 WARN L623 FunctionHandler]: Unknown extern function phy_power_off [2022-11-26 00:55:39,673 WARN L623 FunctionHandler]: Unknown extern function phy_exit [2022-11-26 00:55:39,679 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,683 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:39,684 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,684 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,685 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,685 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:39,686 WARN L623 FunctionHandler]: Unknown extern function regulator_bulk_enable [2022-11-26 00:55:39,687 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,687 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:39,692 WARN L623 FunctionHandler]: Unknown extern function regulator_bulk_disable [2022-11-26 00:55:39,700 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:39,711 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:39,713 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:39,716 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:39,716 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:39,717 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:39,717 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:39,718 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:39,719 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:39,720 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:39,727 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:39,727 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:39,728 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:39,728 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:39,729 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:39,729 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-26 00:55:39,730 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:39,730 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:39,731 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-26 00:55:39,735 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-11-26 00:55:39,740 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-26 00:55:39,741 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:39,741 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:39,742 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-26 00:55:39,742 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:39,746 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-11-26 00:55:39,757 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:39,758 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:39,759 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:39,760 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:39,760 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:39,761 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-26 00:55:39,761 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:39,764 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:39,764 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:39,765 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-26 00:55:39,766 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:39,766 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:39,770 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-11-26 00:55:39,775 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-11-26 00:55:39,776 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,776 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-11-26 00:55:39,777 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,777 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-11-26 00:55:39,779 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,779 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-11-26 00:55:39,780 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,784 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-11-26 00:55:39,786 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-11-26 00:55:39,786 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-11-26 00:55:39,794 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-11-26 00:55:39,800 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,801 WARN L623 FunctionHandler]: Unknown extern function devm_phy_get [2022-11-26 00:55:39,803 WARN L623 FunctionHandler]: Unknown extern function devm_usb_get_phy [2022-11-26 00:55:39,803 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,804 WARN L623 FunctionHandler]: Unknown extern function devm_clk_get [2022-11-26 00:55:39,804 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,805 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-11-26 00:55:39,805 WARN L623 FunctionHandler]: Unknown extern function devm_ioremap_resource [2022-11-26 00:55:39,806 WARN L623 FunctionHandler]: Unknown extern function platform_get_irq [2022-11-26 00:55:39,806 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,806 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:55:39,807 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,807 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:39,815 WARN L623 FunctionHandler]: Unknown extern function devm_regulator_bulk_get [2022-11-26 00:55:39,815 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,815 WARN L623 FunctionHandler]: Unknown extern function regulator_bulk_enable [2022-11-26 00:55:39,816 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,816 WARN L623 FunctionHandler]: Unknown extern function phy_init [2022-11-26 00:55:39,817 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,818 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,818 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,823 WARN L623 FunctionHandler]: Unknown extern function regulator_bulk_disable [2022-11-26 00:55:39,824 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:39,824 WARN L623 FunctionHandler]: Unknown extern function usb_add_gadget_udc [2022-11-26 00:55:39,825 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:55:39,829 WARN L623 FunctionHandler]: Unknown extern function usb_del_gadget_udc [2022-11-26 00:55:39,829 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unregister_driver [2022-11-26 00:55:39,830 WARN L623 FunctionHandler]: Unknown extern function phy_exit [2022-11-26 00:55:39,834 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:39,835 WARN L623 FunctionHandler]: Unknown extern function regulator_bulk_disable [2022-11-26 00:55:39,839 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:39,839 WARN L623 FunctionHandler]: Unknown extern function regulator_bulk_enable [2022-11-26 00:55:39,865 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:55:39,867 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-11-26 00:55:39,868 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-26 00:55:39,868 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-26 00:55:39,871 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-11-26 00:55:39,872 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-26 00:55:39,872 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-26 00:55:39,873 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-11-26 00:55:39,874 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-26 00:55:39,874 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-26 00:55:39,876 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-11-26 00:55:39,881 WARN L623 FunctionHandler]: Unknown extern function __platform_driver_register [2022-11-26 00:55:39,882 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-11-26 00:55:39,889 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-11-26 00:55:39,902 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:39,902 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:39,903 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:39,903 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:39,904 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:39,904 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:39,905 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:39,905 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:39,905 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:39,907 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:39,912 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:39,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:55:39,949 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:55:40,084 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3747] [2022-11-26 00:55:40,084 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3748-3749] [2022-11-26 00:55:40,086 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:55:40,087 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-26 00:55:40,090 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:55:40,091 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:55:40,091 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:55:40,092 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:40,095 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_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i[117013,117026] [2022-11-26 00:55:40,097 WARN L623 FunctionHandler]: Unknown extern function devm_request_threaded_irq [2022-11-26 00:55:40,098 WARN L623 FunctionHandler]: Unknown extern function devm_kmalloc [2022-11-26 00:55:40,100 WARN L623 FunctionHandler]: Unknown extern function clk_prepare [2022-11-26 00:55:40,101 WARN L623 FunctionHandler]: Unknown extern function clk_enable [2022-11-26 00:55:40,101 WARN L623 FunctionHandler]: Unknown extern function clk_unprepare [2022-11-26 00:55:40,103 WARN L623 FunctionHandler]: Unknown extern function clk_disable [2022-11-26 00:55:40,103 WARN L623 FunctionHandler]: Unknown extern function clk_unprepare [2022-11-26 00:55:40,113 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,128 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-26 00:55:40,128 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-26 00:55:40,129 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-11-26 00:55:40,130 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,130 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:55:40,131 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,132 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unmap_request [2022-11-26 00:55:40,136 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,137 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,138 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,143 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,146 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,149 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,150 WARN L623 FunctionHandler]: Unknown extern function iowrite32_rep [2022-11-26 00:55:40,153 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,153 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:40,155 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,156 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:40,157 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,159 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:55:40,160 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,161 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,162 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,164 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,165 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,168 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,169 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,170 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:55:40,171 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,173 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_map_request [2022-11-26 00:55:40,173 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,178 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,182 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:55:40,185 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,187 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,188 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:55:40,189 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:55:40,190 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,190 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:55:40,193 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,195 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,201 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,202 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,205 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,206 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,208 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,209 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,210 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:40,213 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,216 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,218 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,219 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,220 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,221 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,222 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,230 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:55:40,231 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,232 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:40,233 WARN L623 FunctionHandler]: Unknown extern function ioread32_rep [2022-11-26 00:55:40,234 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:55:40,235 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,289 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,291 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,293 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:40,294 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,296 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,297 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,298 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,300 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,300 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:55:40,301 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:40,304 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,307 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,307 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:55:40,309 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,311 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,314 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,315 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,317 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,318 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,320 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,325 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,328 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,330 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,332 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,334 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,335 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:40,336 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,338 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,338 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:55:40,339 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,342 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,343 WARN L623 FunctionHandler]: Unknown extern function usb_speed_string [2022-11-26 00:55:40,343 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:40,345 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,350 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,351 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,352 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:40,353 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,356 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,357 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:55:40,358 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,360 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,360 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:55:40,361 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:55:40,363 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,364 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:40,365 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,369 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,371 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,372 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:40,374 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,374 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:55:40,376 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,378 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,378 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:55:40,379 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:40,380 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:40,381 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,382 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:40,383 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:40,390 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,391 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:40,392 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,393 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,394 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,397 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,398 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,402 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:40,403 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,404 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,413 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:40,418 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:40,418 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:55:40,424 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,424 WARN L623 FunctionHandler]: Unknown extern function phy_init [2022-11-26 00:55:40,425 WARN L623 FunctionHandler]: Unknown extern function phy_power_on [2022-11-26 00:55:40,426 WARN L623 FunctionHandler]: Unknown extern function phy_power_off [2022-11-26 00:55:40,426 WARN L623 FunctionHandler]: Unknown extern function phy_exit [2022-11-26 00:55:40,428 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,430 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:40,430 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,430 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,431 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,432 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:40,432 WARN L623 FunctionHandler]: Unknown extern function regulator_bulk_enable [2022-11-26 00:55:40,433 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,433 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:40,434 WARN L623 FunctionHandler]: Unknown extern function regulator_bulk_disable [2022-11-26 00:55:40,436 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:55:40,441 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:40,442 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:40,444 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:40,444 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:40,445 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:40,445 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:40,446 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:40,447 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:40,447 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:40,449 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:40,449 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:40,449 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:40,450 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:40,450 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:40,450 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-26 00:55:40,451 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:40,452 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:40,452 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-26 00:55:40,452 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-11-26 00:55:40,454 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-26 00:55:40,454 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:40,454 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:40,455 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-26 00:55:40,455 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:40,456 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-11-26 00:55:40,460 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:40,461 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:40,461 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:40,462 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:40,462 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:40,463 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-26 00:55:40,463 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:40,463 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:40,464 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:40,464 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-26 00:55:40,465 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:40,465 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:55:40,466 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-11-26 00:55:40,467 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-11-26 00:55:40,467 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,468 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-11-26 00:55:40,468 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,469 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-11-26 00:55:40,469 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,470 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-11-26 00:55:40,470 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,471 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-11-26 00:55:40,472 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-11-26 00:55:40,472 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-11-26 00:55:40,472 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-11-26 00:55:40,473 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,473 WARN L623 FunctionHandler]: Unknown extern function devm_phy_get [2022-11-26 00:55:40,476 WARN L623 FunctionHandler]: Unknown extern function devm_usb_get_phy [2022-11-26 00:55:40,477 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,477 WARN L623 FunctionHandler]: Unknown extern function devm_clk_get [2022-11-26 00:55:40,478 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,478 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-11-26 00:55:40,479 WARN L623 FunctionHandler]: Unknown extern function devm_ioremap_resource [2022-11-26 00:55:40,479 WARN L623 FunctionHandler]: Unknown extern function platform_get_irq [2022-11-26 00:55:40,479 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,480 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:55:40,480 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,481 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:40,482 WARN L623 FunctionHandler]: Unknown extern function devm_regulator_bulk_get [2022-11-26 00:55:40,482 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,482 WARN L623 FunctionHandler]: Unknown extern function regulator_bulk_enable [2022-11-26 00:55:40,482 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,483 WARN L623 FunctionHandler]: Unknown extern function phy_init [2022-11-26 00:55:40,484 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,484 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,485 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,486 WARN L623 FunctionHandler]: Unknown extern function regulator_bulk_disable [2022-11-26 00:55:40,486 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:40,486 WARN L623 FunctionHandler]: Unknown extern function usb_add_gadget_udc [2022-11-26 00:55:40,487 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:55:40,487 WARN L623 FunctionHandler]: Unknown extern function usb_del_gadget_udc [2022-11-26 00:55:40,488 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unregister_driver [2022-11-26 00:55:40,488 WARN L623 FunctionHandler]: Unknown extern function phy_exit [2022-11-26 00:55:40,489 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:40,490 WARN L623 FunctionHandler]: Unknown extern function regulator_bulk_disable [2022-11-26 00:55:40,491 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:55:40,491 WARN L623 FunctionHandler]: Unknown extern function regulator_bulk_enable [2022-11-26 00:55:40,496 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:55:40,498 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-11-26 00:55:40,499 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-26 00:55:40,499 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-26 00:55:40,503 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-11-26 00:55:40,503 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-26 00:55:40,504 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-26 00:55:40,506 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-11-26 00:55:40,506 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-26 00:55:40,507 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-26 00:55:40,508 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-11-26 00:55:40,510 WARN L623 FunctionHandler]: Unknown extern function __platform_driver_register [2022-11-26 00:55:40,510 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-11-26 00:55:40,511 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-11-26 00:55:40,513 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:40,513 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:40,514 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:40,514 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:40,514 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:40,514 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:40,515 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:40,515 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:40,516 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:40,520 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:40,523 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:40,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:55:40,640 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:55:40,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:40 WrapperNode [2022-11-26 00:55:40,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:55:40,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:55:40,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:55:40,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:55:40,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:40" (1/1) ... [2022-11-26 00:55:40,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:40" (1/1) ... [2022-11-26 00:55:40,915 INFO L138 Inliner]: procedures = 245, calls = 3258, calls flagged for inlining = 96, calls inlined = 88, statements flattened = 4862 [2022-11-26 00:55:40,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:55:40,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:55:40,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:55:40,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:55:40,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:40" (1/1) ... [2022-11-26 00:55:40,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:40" (1/1) ... [2022-11-26 00:55:40,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:40" (1/1) ... [2022-11-26 00:55:40,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:40" (1/1) ... [2022-11-26 00:55:41,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:40" (1/1) ... [2022-11-26 00:55:41,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:40" (1/1) ... [2022-11-26 00:55:41,138 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:40" (1/1) ... [2022-11-26 00:55:41,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:40" (1/1) ... [2022-11-26 00:55:41,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:55:41,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:55:41,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:55:41,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:55:41,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:40" (1/1) ... [2022-11-26 00:55:41,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:55:41,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:55:41,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:55:41,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:55:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_resume [2022-11-26 00:55:41,341 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_resume [2022-11-26 00:55:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_complete_request [2022-11-26 00:55:41,341 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_complete_request [2022-11-26 00:55:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_pullup [2022-11-26 00:55:41,342 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_pullup [2022-11-26 00:55:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_enable [2022-11-26 00:55:41,342 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_enable [2022-11-26 00:55:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_phy_disable [2022-11-26 00:55:41,342 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_phy_disable [2022-11-26 00:55:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 00:55:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 00:55:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:55:41,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:55:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2022-11-26 00:55:41,343 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2022-11-26 00:55:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-26 00:55:41,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-26 00:55:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:55:41,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:55:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-26 00:55:41,344 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-26 00:55:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure ep_open [2022-11-26 00:55:41,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_open [2022-11-26 00:55:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_disconnect [2022-11-26 00:55:41,344 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_disconnect [2022-11-26 00:55:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-26 00:55:41,344 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-26 00:55:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-26 00:55:41,345 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-26 00:55:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-26 00:55:41,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-26 00:55:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:55:41,345 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:55:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 00:55:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 00:55:41,346 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_write_fifo [2022-11-26 00:55:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_write_fifo [2022-11-26 00:55:41,346 INFO L130 BoogieDeclarations]: Found specification of procedure __orr32 [2022-11-26 00:55:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __orr32 [2022-11-26 00:55:41,346 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_read_frameno [2022-11-26 00:55:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_read_frameno [2022-11-26 00:55:41,346 INFO L130 BoogieDeclarations]: Found specification of procedure our_ep [2022-11-26 00:55:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure our_ep [2022-11-26 00:55:41,347 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_dump [2022-11-26 00:55:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_dump [2022-11-26 00:55:41,347 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_core_init [2022-11-26 00:55:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_core_init [2022-11-26 00:55:41,347 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2022-11-26 00:55:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2022-11-26 00:55:41,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:55:41,348 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-11-26 00:55:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-11-26 00:55:41,348 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-26 00:55:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-26 00:55:41,348 INFO L130 BoogieDeclarations]: Found specification of procedure to_hsotg [2022-11-26 00:55:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure to_hsotg [2022-11-26 00:55:41,348 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-26 00:55:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-26 00:55:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:55:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_enqueue_setup [2022-11-26 00:55:41,349 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_enqueue_setup [2022-11-26 00:55:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_udc_start [2022-11-26 00:55:41,349 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_udc_start [2022-11-26 00:55:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-26 00:55:41,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-26 00:55:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-26 00:55:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-26 00:55:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_probe [2022-11-26 00:55:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_probe [2022-11-26 00:55:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:55:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:55:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure our_req [2022-11-26 00:55:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure our_req [2022-11-26 00:55:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure ep_from_windex [2022-11-26 00:55:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_from_windex [2022-11-26 00:55:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_udc_stop [2022-11-26 00:55:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_udc_stop [2022-11-26 00:55:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-26 00:55:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-26 00:55:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_process_req_feature [2022-11-26 00:55:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_process_req_feature [2022-11-26 00:55:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_enable [2022-11-26 00:55:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_enable [2022-11-26 00:55:41,352 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_queue [2022-11-26 00:55:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_queue [2022-11-26 00:55:41,352 INFO L130 BoogieDeclarations]: Found specification of procedure get_ep_head [2022-11-26 00:55:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ep_head [2022-11-26 00:55:41,352 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-26 00:55:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-26 00:55:41,352 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2022-11-26 00:55:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2022-11-26 00:55:41,353 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_open [2022-11-26 00:55:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_open [2022-11-26 00:55:41,353 INFO L130 BoogieDeclarations]: Found specification of procedure phy_exit [2022-11-26 00:55:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_exit [2022-11-26 00:55:41,353 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2022-11-26 00:55:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2022-11-26 00:55:41,353 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_alloc_request [2022-11-26 00:55:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_alloc_request [2022-11-26 00:55:41,354 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_init_fifo [2022-11-26 00:55:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_init_fifo [2022-11-26 00:55:41,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-26 00:55:41,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-26 00:55:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-26 00:55:41,354 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_send_reply [2022-11-26 00:55:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_send_reply [2022-11-26 00:55:41,354 INFO L130 BoogieDeclarations]: Found specification of procedure phy_init [2022-11-26 00:55:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_init [2022-11-26 00:55:41,355 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_free_request [2022-11-26 00:55:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_free_request [2022-11-26 00:55:41,355 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-26 00:55:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-26 00:55:41,355 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_init [2022-11-26 00:55:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_init [2022-11-26 00:55:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-26 00:55:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-26 00:55:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 00:55:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep0_mps [2022-11-26 00:55:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep0_mps [2022-11-26 00:55:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_sethalt_lock [2022-11-26 00:55:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_sethalt_lock [2022-11-26 00:55:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_complete_setup [2022-11-26 00:55:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_complete_setup [2022-11-26 00:55:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_process_control [2022-11-26 00:55:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_process_control [2022-11-26 00:55:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:55:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-11-26 00:55:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-11-26 00:55:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_txfifo_flush [2022-11-26 00:55:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_txfifo_flush [2022-11-26 00:55:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_sethalt [2022-11-26 00:55:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_sethalt [2022-11-26 00:55:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-26 00:55:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-26 00:55:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_disable [2022-11-26 00:55:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_disable [2022-11-26 00:55:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_corereset [2022-11-26 00:55:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_corereset [2022-11-26 00:55:41,359 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 00:55:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 00:55:41,359 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_gadget_getframe [2022-11-26 00:55:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_gadget_getframe [2022-11-26 00:55:41,359 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-26 00:55:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-26 00:55:41,359 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-26 00:55:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-26 00:55:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:55:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-26 00:55:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-26 00:55:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure state_open [2022-11-26 00:55:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure state_open [2022-11-26 00:55:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure __bic32 [2022-11-26 00:55:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __bic32 [2022-11-26 00:55:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:55:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:55:41,361 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ctrl_epint [2022-11-26 00:55:41,361 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ctrl_epint [2022-11-26 00:55:41,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:55:41,361 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_en_gsint [2022-11-26 00:55:41,361 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_en_gsint [2022-11-26 00:55:41,361 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-11-26 00:55:41,361 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-11-26 00:55:41,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:55:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-26 00:55:41,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-26 00:55:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:55:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_set_ep_maxpacket [2022-11-26 00:55:41,362 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_set_ep_maxpacket [2022-11-26 00:55:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:55:41,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:55:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:55:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:55:41,363 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_phy_enable [2022-11-26 00:55:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_phy_enable [2022-11-26 00:55:41,363 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-26 00:55:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-26 00:55:41,363 INFO L130 BoogieDeclarations]: Found specification of procedure kill_all_requests [2022-11-26 00:55:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_all_requests [2022-11-26 00:55:41,363 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_remove [2022-11-26 00:55:41,364 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_remove [2022-11-26 00:55:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-11-26 00:55:41,364 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-11-26 00:55:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-26 00:55:41,364 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-26 00:55:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure using_dma [2022-11-26 00:55:41,364 INFO L138 BoogieDeclarations]: Found implementation of procedure using_dma [2022-11-26 00:55:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-26 00:55:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-26 00:55:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-26 00:55:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-26 00:55:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_dequeue [2022-11-26 00:55:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_dequeue [2022-11-26 00:55:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-26 00:55:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-26 00:55:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_start_req [2022-11-26 00:55:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_start_req [2022-11-26 00:55:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-26 00:55:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-26 00:55:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-26 00:55:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-26 00:55:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:55:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-26 00:55:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-26 00:55:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_stall_ep0 [2022-11-26 00:55:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_stall_ep0 [2022-11-26 00:55:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:55:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:55:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-26 00:55:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-26 00:55:42,218 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:55:42,228 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:55:43,113 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:55:48,091 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:55:49,530 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:55:49,531 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-26 00:55:49,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:55:49 BoogieIcfgContainer [2022-11-26 00:55:49,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:55:49,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:55:49,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:55:49,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:55:49,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:55:37" (1/3) ... [2022-11-26 00:55:49,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f8017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:55:49, skipping insertion in model container [2022-11-26 00:55:49,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:40" (2/3) ... [2022-11-26 00:55:49,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f8017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:55:49, skipping insertion in model container [2022-11-26 00:55:49,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:55:49" (3/3) ... [2022-11-26 00:55:49,548 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i [2022-11-26 00:55:49,569 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:55:49,569 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:55:49,679 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:55:49,687 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;@51ef4d4c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:55:49,687 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:55:49,700 INFO L276 IsEmpty]: Start isEmpty. Operand has 1474 states, 883 states have (on average 1.3001132502831256) internal successors, (1148), 922 states have internal predecessors, (1148), 494 states have call successors, (494), 97 states have call predecessors, (494), 96 states have return successors, (486), 483 states have call predecessors, (486), 486 states have call successors, (486) [2022-11-26 00:55:49,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-26 00:55:49,729 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:49,730 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:55:49,731 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:55:49,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:49,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1131256693, now seen corresponding path program 1 times [2022-11-26 00:55:49,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:49,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397917413] [2022-11-26 00:55:49,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:49,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:50,657 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-26 00:55:50,658 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:50,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397917413] [2022-11-26 00:55:50,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397917413] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:50,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:50,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:55:50,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038430991] [2022-11-26 00:55:50,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:50,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:55:50,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:50,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:55:50,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:55:50,703 INFO L87 Difference]: Start difference. First operand has 1474 states, 883 states have (on average 1.3001132502831256) internal successors, (1148), 922 states have internal predecessors, (1148), 494 states have call successors, (494), 97 states have call predecessors, (494), 96 states have return successors, (486), 483 states have call predecessors, (486), 486 states have call successors, (486) Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-26 00:55:52,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:56,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:57,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:57,378 INFO L93 Difference]: Finished difference Result 4326 states and 6342 transitions. [2022-11-26 00:55:57,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:55:57,381 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 74 [2022-11-26 00:55:57,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:57,417 INFO L225 Difference]: With dead ends: 4326 [2022-11-26 00:55:57,417 INFO L226 Difference]: Without dead ends: 2849 [2022-11-26 00:55:57,434 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 [2022-11-26 00:55:57,438 INFO L413 NwaCegarLoop]: 2384 mSDtfsCounter, 2015 mSDsluCounter, 1891 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2015 SdHoareTripleChecker+Valid, 4275 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:57,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2015 Valid, 4275 Invalid, 438 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 435 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-11-26 00:55:57,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2849 states. [2022-11-26 00:55:57,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2849 to 2845. [2022-11-26 00:55:57,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2845 states, 1708 states have (on average 1.2833723653395785) internal successors, (2192), 1765 states have internal predecessors, (2192), 947 states have call successors, (947), 190 states have call predecessors, (947), 189 states have return successors, (946), 939 states have call predecessors, (946), 946 states have call successors, (946) [2022-11-26 00:55:57,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2845 states to 2845 states and 4085 transitions. [2022-11-26 00:55:57,731 INFO L78 Accepts]: Start accepts. Automaton has 2845 states and 4085 transitions. Word has length 74 [2022-11-26 00:55:57,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:57,734 INFO L495 AbstractCegarLoop]: Abstraction has 2845 states and 4085 transitions. [2022-11-26 00:55:57,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-26 00:55:57,734 INFO L276 IsEmpty]: Start isEmpty. Operand 2845 states and 4085 transitions. [2022-11-26 00:55:57,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-26 00:55:57,753 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:57,754 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:55:57,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:55:57,754 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:55:57,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:57,755 INFO L85 PathProgramCache]: Analyzing trace with hash 48124701, now seen corresponding path program 1 times [2022-11-26 00:55:57,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:57,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212998531] [2022-11-26 00:55:57,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:57,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:58,491 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-26 00:55:58,492 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:58,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212998531] [2022-11-26 00:55:58,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212998531] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:58,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:58,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:55:58,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851433888] [2022-11-26 00:55:58,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:58,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:55:58,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:58,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:55:58,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:55:58,503 INFO L87 Difference]: Start difference. First operand 2845 states and 4085 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-26 00:55:59,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:03,562 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 [] [2022-11-26 00:56:04,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:04,452 INFO L93 Difference]: Finished difference Result 8366 states and 11997 transitions. [2022-11-26 00:56:04,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:56:04,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 162 [2022-11-26 00:56:04,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:04,496 INFO L225 Difference]: With dead ends: 8366 [2022-11-26 00:56:04,497 INFO L226 Difference]: Without dead ends: 5545 [2022-11-26 00:56:04,514 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 [2022-11-26 00:56:04,516 INFO L413 NwaCegarLoop]: 2611 mSDtfsCounter, 1993 mSDsluCounter, 1845 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1993 SdHoareTripleChecker+Valid, 4456 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:04,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1993 Valid, 4456 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-11-26 00:56:04,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5545 states. [2022-11-26 00:56:04,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5545 to 5542. [2022-11-26 00:56:04,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5542 states, 3327 states have (on average 1.2825368199579201) internal successors, (4267), 3440 states have internal predecessors, (4267), 1838 states have call successors, (1838), 377 states have call predecessors, (1838), 376 states have return successors, (1837), 1824 states have call predecessors, (1837), 1837 states have call successors, (1837) [2022-11-26 00:56:05,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5542 states to 5542 states and 7942 transitions. [2022-11-26 00:56:05,057 INFO L78 Accepts]: Start accepts. Automaton has 5542 states and 7942 transitions. Word has length 162 [2022-11-26 00:56:05,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:05,060 INFO L495 AbstractCegarLoop]: Abstraction has 5542 states and 7942 transitions. [2022-11-26 00:56:05,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-26 00:56:05,060 INFO L276 IsEmpty]: Start isEmpty. Operand 5542 states and 7942 transitions. [2022-11-26 00:56:05,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-26 00:56:05,076 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:05,076 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:56:05,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:56:05,076 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:56:05,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:05,087 INFO L85 PathProgramCache]: Analyzing trace with hash -355219509, now seen corresponding path program 1 times [2022-11-26 00:56:05,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:05,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518660521] [2022-11-26 00:56:05,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:05,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:05,557 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2022-11-26 00:56:05,558 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:05,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518660521] [2022-11-26 00:56:05,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518660521] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:05,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:05,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:56:05,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422736567] [2022-11-26 00:56:05,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:05,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:56:05,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:05,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:56:05,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:56:05,561 INFO L87 Difference]: Start difference. First operand 5542 states and 7942 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-11-26 00:56:07,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:11,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:11,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:11,843 INFO L93 Difference]: Finished difference Result 8555 states and 12186 transitions. [2022-11-26 00:56:11,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:56:11,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 151 [2022-11-26 00:56:11,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:11,903 INFO L225 Difference]: With dead ends: 8555 [2022-11-26 00:56:11,903 INFO L226 Difference]: Without dead ends: 8552 [2022-11-26 00:56:11,910 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 [2022-11-26 00:56:11,914 INFO L413 NwaCegarLoop]: 2595 mSDtfsCounter, 1706 mSDsluCounter, 1304 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1706 SdHoareTripleChecker+Valid, 3899 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:11,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1706 Valid, 3899 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 434 Invalid, 2 Unknown, 0 Unchecked, 5.9s Time] [2022-11-26 00:56:11,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8552 states. [2022-11-26 00:56:12,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8552 to 8444. [2022-11-26 00:56:12,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8444 states, 5007 states have (on average 1.2604353904533654) internal successors, (6311), 5188 states have internal predecessors, (6311), 2822 states have call successors, (2822), 615 states have call predecessors, (2822), 614 states have return successors, (2887), 2792 states have call predecessors, (2887), 2821 states have call successors, (2887) [2022-11-26 00:56:12,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8444 states to 8444 states and 12020 transitions. [2022-11-26 00:56:12,564 INFO L78 Accepts]: Start accepts. Automaton has 8444 states and 12020 transitions. Word has length 151 [2022-11-26 00:56:12,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:12,566 INFO L495 AbstractCegarLoop]: Abstraction has 8444 states and 12020 transitions. [2022-11-26 00:56:12,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-11-26 00:56:12,568 INFO L276 IsEmpty]: Start isEmpty. Operand 8444 states and 12020 transitions. [2022-11-26 00:56:12,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-11-26 00:56:12,579 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:12,579 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:56:12,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:56:12,579 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:56:12,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:12,580 INFO L85 PathProgramCache]: Analyzing trace with hash 222208689, now seen corresponding path program 1 times [2022-11-26 00:56:12,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:12,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906932724] [2022-11-26 00:56:12,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:12,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:13,032 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-11-26 00:56:13,032 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:13,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906932724] [2022-11-26 00:56:13,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906932724] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:13,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:13,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:56:13,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753914180] [2022-11-26 00:56:13,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:13,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:56:13,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:13,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:56:13,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:56:13,035 INFO L87 Difference]: Start difference. First operand 8444 states and 12020 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-26 00:56:16,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:18,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:18,180 INFO L93 Difference]: Finished difference Result 23268 states and 33131 transitions. [2022-11-26 00:56:18,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:56:18,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 172 [2022-11-26 00:56:18,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:18,286 INFO L225 Difference]: With dead ends: 23268 [2022-11-26 00:56:18,286 INFO L226 Difference]: Without dead ends: 14856 [2022-11-26 00:56:18,335 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 [2022-11-26 00:56:18,336 INFO L413 NwaCegarLoop]: 2397 mSDtfsCounter, 2022 mSDsluCounter, 1844 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 4241 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:18,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2022 Valid, 4241 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-11-26 00:56:18,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14856 states. [2022-11-26 00:56:19,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14856 to 14853. [2022-11-26 00:56:19,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14853 states, 8825 states have (on average 1.2626628895184135) internal successors, (11143), 9144 states have internal predecessors, (11143), 4946 states have call successors, (4946), 1085 states have call predecessors, (4946), 1081 states have return successors, (5061), 4890 states have call predecessors, (5061), 4945 states have call successors, (5061) [2022-11-26 00:56:19,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14853 states to 14853 states and 21150 transitions. [2022-11-26 00:56:19,459 INFO L78 Accepts]: Start accepts. Automaton has 14853 states and 21150 transitions. Word has length 172 [2022-11-26 00:56:19,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:19,460 INFO L495 AbstractCegarLoop]: Abstraction has 14853 states and 21150 transitions. [2022-11-26 00:56:19,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-26 00:56:19,460 INFO L276 IsEmpty]: Start isEmpty. Operand 14853 states and 21150 transitions. [2022-11-26 00:56:19,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-11-26 00:56:19,568 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:19,568 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:56:19,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:56:19,568 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:56:19,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:19,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1133288700, now seen corresponding path program 1 times [2022-11-26 00:56:19,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:19,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123278974] [2022-11-26 00:56:19,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:19,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:20,063 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2022-11-26 00:56:20,063 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:20,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123278974] [2022-11-26 00:56:20,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123278974] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:20,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:20,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:56:20,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815947553] [2022-11-26 00:56:20,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:20,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:56:20,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:20,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:56:20,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:56:20,066 INFO L87 Difference]: Start difference. First operand 14853 states and 21150 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-26 00:56:21,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:23,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:27,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:28,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:28,202 INFO L93 Difference]: Finished difference Result 29675 states and 42256 transitions. [2022-11-26 00:56:28,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:56:28,202 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 179 [2022-11-26 00:56:28,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:28,275 INFO L225 Difference]: With dead ends: 29675 [2022-11-26 00:56:28,275 INFO L226 Difference]: Without dead ends: 14850 [2022-11-26 00:56:28,332 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 [2022-11-26 00:56:28,335 INFO L413 NwaCegarLoop]: 1890 mSDtfsCounter, 0 mSDsluCounter, 1887 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3777 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:28,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3777 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 408 Invalid, 2 Unknown, 0 Unchecked, 7.6s Time] [2022-11-26 00:56:28,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14850 states. [2022-11-26 00:56:29,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14850 to 14846. [2022-11-26 00:56:29,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14846 states, 8818 states have (on average 1.2624177818099342) internal successors, (11132), 9139 states have internal predecessors, (11132), 4946 states have call successors, (4946), 1085 states have call predecessors, (4946), 1081 states have return successors, (5061), 4888 states have call predecessors, (5061), 4945 states have call successors, (5061) [2022-11-26 00:56:29,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14846 states to 14846 states and 21139 transitions. [2022-11-26 00:56:29,288 INFO L78 Accepts]: Start accepts. Automaton has 14846 states and 21139 transitions. Word has length 179 [2022-11-26 00:56:29,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:29,290 INFO L495 AbstractCegarLoop]: Abstraction has 14846 states and 21139 transitions. [2022-11-26 00:56:29,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-26 00:56:29,290 INFO L276 IsEmpty]: Start isEmpty. Operand 14846 states and 21139 transitions. [2022-11-26 00:56:29,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-11-26 00:56:29,324 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:29,325 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 5, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:56:29,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:56:29,325 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:56:29,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:29,326 INFO L85 PathProgramCache]: Analyzing trace with hash 137072206, now seen corresponding path program 1 times [2022-11-26 00:56:29,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:29,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421473886] [2022-11-26 00:56:29,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:29,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:32,010 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 647 trivial. 0 not checked. [2022-11-26 00:56:32,010 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:32,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421473886] [2022-11-26 00:56:32,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421473886] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:32,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:32,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:56:32,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562011631] [2022-11-26 00:56:32,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:32,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:56:32,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:32,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:56:32,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:56:32,013 INFO L87 Difference]: Start difference. First operand 14846 states and 21139 transitions. Second operand has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 4 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-26 00:56:34,321 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 [] [2022-11-26 00:56:36,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:38,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:43,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:45,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:49,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:49,244 INFO L93 Difference]: Finished difference Result 26325 states and 37591 transitions. [2022-11-26 00:56:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:56:49,245 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 4 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 235 [2022-11-26 00:56:49,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:49,300 INFO L225 Difference]: With dead ends: 26325 [2022-11-26 00:56:49,300 INFO L226 Difference]: Without dead ends: 11511 [2022-11-26 00:56:49,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:56:49,350 INFO L413 NwaCegarLoop]: 1578 mSDtfsCounter, 7 mSDsluCounter, 5942 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 7520 SdHoareTripleChecker+Invalid, 1287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:49,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 7520 Invalid, 1287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1281 Invalid, 5 Unknown, 0 Unchecked, 16.8s Time] [2022-11-26 00:56:49,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11511 states. [2022-11-26 00:56:49,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11511 to 11511. [2022-11-26 00:56:50,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11511 states, 6847 states have (on average 1.259821819775084) internal successors, (8626), 7091 states have internal predecessors, (8626), 3770 states have call successors, (3770), 906 states have call predecessors, (3770), 893 states have return successors, (3849), 3719 states have call predecessors, (3849), 3769 states have call successors, (3849) [2022-11-26 00:56:50,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11511 states to 11511 states and 16245 transitions. [2022-11-26 00:56:50,057 INFO L78 Accepts]: Start accepts. Automaton has 11511 states and 16245 transitions. Word has length 235 [2022-11-26 00:56:50,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:50,057 INFO L495 AbstractCegarLoop]: Abstraction has 11511 states and 16245 transitions. [2022-11-26 00:56:50,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 4 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-26 00:56:50,058 INFO L276 IsEmpty]: Start isEmpty. Operand 11511 states and 16245 transitions. [2022-11-26 00:56:50,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2022-11-26 00:56:50,109 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:50,109 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 10, 8, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:56:50,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:56:50,109 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:56:50,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:50,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1395243333, now seen corresponding path program 1 times [2022-11-26 00:56:50,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:50,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873841553] [2022-11-26 00:56:50,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:50,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:51,705 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 841 trivial. 0 not checked. [2022-11-26 00:56:51,706 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:51,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873841553] [2022-11-26 00:56:51,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873841553] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:56:51,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432445901] [2022-11-26 00:56:51,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:51,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:56:51,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:56:51,714 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:56:51,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:56:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:53,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 6168 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:56:53,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:56:53,789 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2022-11-26 00:56:53,789 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:56:53,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432445901] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:53,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:56:53,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-26 00:56:53,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216502255] [2022-11-26 00:56:53,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:53,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:56:53,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:53,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:56:53,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:56:53,793 INFO L87 Difference]: Start difference. First operand 11511 states and 16245 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (68), 3 states have call predecessors, (68), 3 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-11-26 00:56:55,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:58,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:00,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:00,210 INFO L93 Difference]: Finished difference Result 29817 states and 42045 transitions. [2022-11-26 00:57:00,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:57:00,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (68), 3 states have call predecessors, (68), 3 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) Word has length 372 [2022-11-26 00:57:00,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:00,308 INFO L225 Difference]: With dead ends: 29817 [2022-11-26 00:57:00,309 INFO L226 Difference]: Without dead ends: 18344 [2022-11-26 00:57:00,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:57:00,346 INFO L413 NwaCegarLoop]: 2047 mSDtfsCounter, 1644 mSDsluCounter, 1539 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1644 SdHoareTripleChecker+Valid, 3586 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:00,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1644 Valid, 3586 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 386 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-11-26 00:57:00,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18344 states. [2022-11-26 00:57:01,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18344 to 18341. [2022-11-26 00:57:01,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18341 states, 10898 states have (on average 1.255551477335291) internal successors, (13683), 11276 states have internal predecessors, (13683), 6010 states have call successors, (6010), 1445 states have call predecessors, (6010), 1432 states have return successors, (6139), 5947 states have call predecessors, (6139), 6009 states have call successors, (6139) [2022-11-26 00:57:01,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18341 states to 18341 states and 25832 transitions. [2022-11-26 00:57:01,361 INFO L78 Accepts]: Start accepts. Automaton has 18341 states and 25832 transitions. Word has length 372 [2022-11-26 00:57:01,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:01,362 INFO L495 AbstractCegarLoop]: Abstraction has 18341 states and 25832 transitions. [2022-11-26 00:57:01,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (68), 3 states have call predecessors, (68), 3 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-11-26 00:57:01,363 INFO L276 IsEmpty]: Start isEmpty. Operand 18341 states and 25832 transitions. [2022-11-26 00:57:01,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2022-11-26 00:57:01,448 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:01,448 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 10, 9, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:57:01,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:57:01,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:57:01,664 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:57:01,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:01,664 INFO L85 PathProgramCache]: Analyzing trace with hash -180052392, now seen corresponding path program 1 times [2022-11-26 00:57:01,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:01,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360786979] [2022-11-26 00:57:01,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:01,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:04,541 INFO L134 CoverageAnalysis]: Checked inductivity of 866 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 858 trivial. 0 not checked. [2022-11-26 00:57:04,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:04,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360786979] [2022-11-26 00:57:04,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360786979] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:57:04,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465224237] [2022-11-26 00:57:04,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:04,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:57:04,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:57:04,547 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:57:04,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:57:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:06,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 6232 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-26 00:57:06,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:57:06,875 INFO L134 CoverageAnalysis]: Checked inductivity of 866 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 818 trivial. 0 not checked. [2022-11-26 00:57:06,876 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:57:06,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465224237] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:06,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:57:06,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2022-11-26 00:57:06,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441074879] [2022-11-26 00:57:06,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:06,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:57:06,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:06,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:57:06,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:57:06,879 INFO L87 Difference]: Start difference. First operand 18341 states and 25832 transitions. Second operand has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 2 states have call successors, (70), 2 states have call predecessors, (70), 3 states have return successors, (63), 3 states have call predecessors, (63), 2 states have call successors, (63) [2022-11-26 00:57:08,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:10,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:12,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:15,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:17,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:19,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:21,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:21,035 INFO L93 Difference]: Finished difference Result 36738 states and 52175 transitions. [2022-11-26 00:57:21,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:57:21,036 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 2 states have call successors, (70), 2 states have call predecessors, (70), 3 states have return successors, (63), 3 states have call predecessors, (63), 2 states have call successors, (63) Word has length 376 [2022-11-26 00:57:21,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:21,225 INFO L225 Difference]: With dead ends: 36738 [2022-11-26 00:57:21,225 INFO L226 Difference]: Without dead ends: 18437 [2022-11-26 00:57:21,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 378 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:57:21,300 INFO L413 NwaCegarLoop]: 1584 mSDtfsCounter, 2 mSDsluCounter, 4714 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6298 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:21,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6298 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 760 Invalid, 1 Unknown, 0 Unchecked, 13.5s Time] [2022-11-26 00:57:21,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18437 states. [2022-11-26 00:57:22,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18437 to 18405. [2022-11-26 00:57:22,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18405 states, 10944 states have (on average 1.2544773391812865) internal successors, (13729), 11326 states have internal predecessors, (13729), 6010 states have call successors, (6010), 1445 states have call predecessors, (6010), 1450 states have return successors, (6273), 5961 states have call predecessors, (6273), 6009 states have call successors, (6273) [2022-11-26 00:57:22,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18405 states to 18405 states and 26012 transitions. [2022-11-26 00:57:22,405 INFO L78 Accepts]: Start accepts. Automaton has 18405 states and 26012 transitions. Word has length 376 [2022-11-26 00:57:22,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:22,407 INFO L495 AbstractCegarLoop]: Abstraction has 18405 states and 26012 transitions. [2022-11-26 00:57:22,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 2 states have call successors, (70), 2 states have call predecessors, (70), 3 states have return successors, (63), 3 states have call predecessors, (63), 2 states have call successors, (63) [2022-11-26 00:57:22,408 INFO L276 IsEmpty]: Start isEmpty. Operand 18405 states and 26012 transitions. [2022-11-26 00:57:22,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2022-11-26 00:57:22,486 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:22,487 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:57:22,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:57:22,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-26 00:57:22,707 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:57:22,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:22,707 INFO L85 PathProgramCache]: Analyzing trace with hash 293869275, now seen corresponding path program 1 times [2022-11-26 00:57:22,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:22,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159748924] [2022-11-26 00:57:22,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:22,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:23,803 INFO L134 CoverageAnalysis]: Checked inductivity of 898 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2022-11-26 00:57:23,803 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:23,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159748924] [2022-11-26 00:57:23,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159748924] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:23,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:23,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:57:23,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95187355] [2022-11-26 00:57:23,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:23,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:57:23,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:23,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:57:23,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:57:23,807 INFO L87 Difference]: Start difference. First operand 18405 states and 26012 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2022-11-26 00:57:25,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:26,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:28,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:30,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:30,552 INFO L93 Difference]: Finished difference Result 36784 states and 52325 transitions. [2022-11-26 00:57:30,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:57:30,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) Word has length 390 [2022-11-26 00:57:30,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:30,626 INFO L225 Difference]: With dead ends: 36784 [2022-11-26 00:57:30,627 INFO L226 Difference]: Without dead ends: 18419 [2022-11-26 00:57:30,680 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 [2022-11-26 00:57:30,682 INFO L413 NwaCegarLoop]: 1585 mSDtfsCounter, 0 mSDsluCounter, 1583 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3168 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:30,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3168 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-11-26 00:57:30,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18419 states. [2022-11-26 00:57:31,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18419 to 18419. [2022-11-26 00:57:31,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18419 states, 10958 states have (on average 1.2541522175579485) internal successors, (13743), 11340 states have internal predecessors, (13743), 6010 states have call successors, (6010), 1445 states have call predecessors, (6010), 1450 states have return successors, (6273), 5961 states have call predecessors, (6273), 6009 states have call successors, (6273) [2022-11-26 00:57:31,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18419 states to 18419 states and 26026 transitions. [2022-11-26 00:57:31,622 INFO L78 Accepts]: Start accepts. Automaton has 18419 states and 26026 transitions. Word has length 390 [2022-11-26 00:57:31,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:31,623 INFO L495 AbstractCegarLoop]: Abstraction has 18419 states and 26026 transitions. [2022-11-26 00:57:31,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2022-11-26 00:57:31,624 INFO L276 IsEmpty]: Start isEmpty. Operand 18419 states and 26026 transitions. [2022-11-26 00:57:31,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2022-11-26 00:57:31,773 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:31,774 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:57:31,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 00:57:31,774 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:57:31,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:31,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1129899601, now seen corresponding path program 1 times [2022-11-26 00:57:31,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:31,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111297703] [2022-11-26 00:57:31,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:31,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:32,774 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2022-11-26 00:57:32,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:32,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111297703] [2022-11-26 00:57:32,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111297703] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:57:32,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314954192] [2022-11-26 00:57:32,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:32,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:57:32,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:57:32,779 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:57:32,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:57:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:34,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 6312 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:57:34,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:57:34,927 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 72 proven. 1 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2022-11-26 00:57:34,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:57:35,268 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 899 trivial. 0 not checked. [2022-11-26 00:57:35,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314954192] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-26 00:57:35,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:57:35,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 6 [2022-11-26 00:57:35,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067941176] [2022-11-26 00:57:35,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:35,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:57:35,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:35,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:57:35,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:57:35,272 INFO L87 Difference]: Start difference. First operand 18419 states and 26026 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2022-11-26 00:57:37,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:39,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:41,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:42,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:42,389 INFO L93 Difference]: Finished difference Result 36818 states and 52445 transitions. [2022-11-26 00:57:42,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:57:42,390 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) Word has length 391 [2022-11-26 00:57:42,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:42,487 INFO L225 Difference]: With dead ends: 36818 [2022-11-26 00:57:42,488 INFO L226 Difference]: Without dead ends: 18439 [2022-11-26 00:57:42,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 784 GetRequests, 780 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:57:42,565 INFO L413 NwaCegarLoop]: 1584 mSDtfsCounter, 1 mSDsluCounter, 1579 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3163 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:42,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3163 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 362 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-11-26 00:57:42,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18439 states. [2022-11-26 00:57:43,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18439 to 18439. [2022-11-26 00:57:43,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18439 states, 10978 states have (on average 1.2536891965749681) internal successors, (13763), 11360 states have internal predecessors, (13763), 6010 states have call successors, (6010), 1445 states have call predecessors, (6010), 1450 states have return successors, (6273), 5961 states have call predecessors, (6273), 6009 states have call successors, (6273) [2022-11-26 00:57:43,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18439 states to 18439 states and 26046 transitions. [2022-11-26 00:57:43,450 INFO L78 Accepts]: Start accepts. Automaton has 18439 states and 26046 transitions. Word has length 391 [2022-11-26 00:57:43,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:43,452 INFO L495 AbstractCegarLoop]: Abstraction has 18439 states and 26046 transitions. [2022-11-26 00:57:43,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2022-11-26 00:57:43,452 INFO L276 IsEmpty]: Start isEmpty. Operand 18439 states and 26046 transitions. [2022-11-26 00:57:43,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2022-11-26 00:57:43,510 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:43,510 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 11, 10, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:57:43,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:57:43,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-26 00:57:43,731 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:57:43,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:43,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1388229652, now seen corresponding path program 1 times [2022-11-26 00:57:43,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:43,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079443728] [2022-11-26 00:57:43,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:43,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:44,813 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 919 trivial. 0 not checked. [2022-11-26 00:57:44,813 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:44,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079443728] [2022-11-26 00:57:44,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079443728] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:57:44,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872981916] [2022-11-26 00:57:44,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:44,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:57:44,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:57:44,829 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:57:44,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:57:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:46,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 6338 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-26 00:57:46,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:57:47,020 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 822 trivial. 0 not checked. [2022-11-26 00:57:47,021 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:57:47,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872981916] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:47,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:57:47,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2022-11-26 00:57:47,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355762526] [2022-11-26 00:57:47,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:47,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:57:47,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:47,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:57:47,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:57:47,024 INFO L87 Difference]: Start difference. First operand 18439 states and 26046 transitions. Second operand has 6 states, 4 states have (on average 37.5) internal successors, (150), 5 states have internal predecessors, (150), 3 states have call successors, (73), 2 states have call predecessors, (73), 3 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) [2022-11-26 00:57:49,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:51,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:53,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:55,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:57,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:59,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:59,788 INFO L93 Difference]: Finished difference Result 36952 states and 52545 transitions. [2022-11-26 00:57:59,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:57:59,790 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 37.5) internal successors, (150), 5 states have internal predecessors, (150), 3 states have call successors, (73), 2 states have call predecessors, (73), 3 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) Word has length 396 [2022-11-26 00:57:59,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:59,857 INFO L225 Difference]: With dead ends: 36952 [2022-11-26 00:57:59,857 INFO L226 Difference]: Without dead ends: 18553 [2022-11-26 00:57:59,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:57:59,916 INFO L413 NwaCegarLoop]: 1540 mSDtfsCounter, 62 mSDsluCounter, 6019 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 7559 SdHoareTripleChecker+Invalid, 1201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1198 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:59,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 7559 Invalid, 1201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1198 Invalid, 3 Unknown, 0 Unchecked, 12.0s Time] [2022-11-26 00:57:59,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18553 states. [2022-11-26 00:58:00,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18553 to 18439. [2022-11-26 00:58:00,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18439 states, 10978 states have (on average 1.2518673711058481) internal successors, (13743), 11360 states have internal predecessors, (13743), 6010 states have call successors, (6010), 1445 states have call predecessors, (6010), 1450 states have return successors, (6273), 5961 states have call predecessors, (6273), 6009 states have call successors, (6273) [2022-11-26 00:58:00,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18439 states to 18439 states and 26026 transitions. [2022-11-26 00:58:00,916 INFO L78 Accepts]: Start accepts. Automaton has 18439 states and 26026 transitions. Word has length 396 [2022-11-26 00:58:00,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:58:00,917 INFO L495 AbstractCegarLoop]: Abstraction has 18439 states and 26026 transitions. [2022-11-26 00:58:00,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 37.5) internal successors, (150), 5 states have internal predecessors, (150), 3 states have call successors, (73), 2 states have call predecessors, (73), 3 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) [2022-11-26 00:58:00,918 INFO L276 IsEmpty]: Start isEmpty. Operand 18439 states and 26026 transitions. [2022-11-26 00:58:00,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2022-11-26 00:58:00,979 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:58:00,980 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 11, 10, 7, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:58:01,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-26 00:58:01,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:58:01,201 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:58:01,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:58:01,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1205234328, now seen corresponding path program 1 times [2022-11-26 00:58:01,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:58:01,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341851932] [2022-11-26 00:58:01,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:58:01,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:58:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:58:02,238 INFO L134 CoverageAnalysis]: Checked inductivity of 942 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 941 trivial. 0 not checked. [2022-11-26 00:58:02,239 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:58:02,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341851932] [2022-11-26 00:58:02,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341851932] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:58:02,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514397940] [2022-11-26 00:58:02,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:58:02,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:58:02,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:58:02,241 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:58:02,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 00:58:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:58:04,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 6377 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:58:04,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:58:04,828 INFO L134 CoverageAnalysis]: Checked inductivity of 942 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 889 trivial. 0 not checked. [2022-11-26 00:58:04,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:58:05,129 INFO L134 CoverageAnalysis]: Checked inductivity of 942 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 941 trivial. 0 not checked. [2022-11-26 00:58:05,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514397940] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:58:05,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1480138324] [2022-11-26 00:58:05,167 INFO L159 IcfgInterpreter]: Started Sifa with 238 locations of interest [2022-11-26 00:58:05,168 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:58:05,173 FATAL L? ?]: Ignoring exception! java.lang.IllegalArgumentException: Recursive programs are not supported. at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.topsortRelevant(CallGraph.java:132) at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.(CallGraph.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.(IcfgInterpreter.java:92) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaBuilder.construct(SifaBuilder.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:98) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-26 00:58:05,180 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:58:05,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-26 00:58:05,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429348788] [2022-11-26 00:58:05,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:58:05,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-26 00:58:05,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:58:05,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-26 00:58:05,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:58:05,186 INFO L87 Difference]: Start difference. First operand 18439 states and 26026 transitions. Second operand has 7 states, 7 states have (on average 26.571428571428573) internal successors, (186), 7 states have internal predecessors, (186), 2 states have call successors, (104), 2 states have call predecessors, (104), 2 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) [2022-11-26 00:58:07,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:09,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:12,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:14,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:58:14,404 INFO L93 Difference]: Finished difference Result 36852 states and 52353 transitions. [2022-11-26 00:58:14,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:58:14,404 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.571428571428573) internal successors, (186), 7 states have internal predecessors, (186), 2 states have call successors, (104), 2 states have call predecessors, (104), 2 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) Word has length 404 [2022-11-26 00:58:14,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:58:14,488 INFO L225 Difference]: With dead ends: 36852 [2022-11-26 00:58:14,488 INFO L226 Difference]: Without dead ends: 18453 [2022-11-26 00:58:14,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 810 GetRequests, 805 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:58:14,552 INFO L413 NwaCegarLoop]: 1584 mSDtfsCounter, 0 mSDsluCounter, 4746 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6330 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:58:14,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6330 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 720 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2022-11-26 00:58:14,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18453 states. [2022-11-26 00:58:15,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18453 to 18453. [2022-11-26 00:58:15,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18453 states, 10992 states have (on average 1.2515465793304221) internal successors, (13757), 11374 states have internal predecessors, (13757), 6010 states have call successors, (6010), 1445 states have call predecessors, (6010), 1450 states have return successors, (6273), 5961 states have call predecessors, (6273), 6009 states have call successors, (6273) [2022-11-26 00:58:15,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18453 states to 18453 states and 26040 transitions. [2022-11-26 00:58:15,407 INFO L78 Accepts]: Start accepts. Automaton has 18453 states and 26040 transitions. Word has length 404 [2022-11-26 00:58:15,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:58:15,408 INFO L495 AbstractCegarLoop]: Abstraction has 18453 states and 26040 transitions. [2022-11-26 00:58:15,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.571428571428573) internal successors, (186), 7 states have internal predecessors, (186), 2 states have call successors, (104), 2 states have call predecessors, (104), 2 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) [2022-11-26 00:58:15,408 INFO L276 IsEmpty]: Start isEmpty. Operand 18453 states and 26040 transitions. [2022-11-26 00:58:15,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2022-11-26 00:58:15,458 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:58:15,458 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 11, 10, 7, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:58:15,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-26 00:58:15,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:58:15,674 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:58:15,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:58:15,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1934101618, now seen corresponding path program 2 times [2022-11-26 00:58:15,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:58:15,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198653770] [2022-11-26 00:58:15,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:58:15,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:58:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:58:16,694 INFO L134 CoverageAnalysis]: Checked inductivity of 944 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 943 trivial. 0 not checked. [2022-11-26 00:58:16,694 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:58:16,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198653770] [2022-11-26 00:58:16,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198653770] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:58:16,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156893563] [2022-11-26 00:58:16,695 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 00:58:16,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:58:16,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:58:16,698 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:58:16,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3928b75a-bbbf-4ab2-81fa-b1581b94b77d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process