./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--rapidio--rapidio.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_6c82409a-281d-449a-9a76-d341e45b947f/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82409a-281d-449a-9a76-d341e45b947f/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_6c82409a-281d-449a-9a76-d341e45b947f/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82409a-281d-449a-9a76-d341e45b947f/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--rapidio--rapidio.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82409a-281d-449a-9a76-d341e45b947f/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_6c82409a-281d-449a-9a76-d341e45b947f/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 2689726c89c7be154f3b0bf0875aa4770854a9a3388665dc7aff0604f303b757 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:53:45,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:53:45,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:53:45,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:53:45,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:53:45,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:53:45,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:53:45,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:53:45,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:53:45,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:53:45,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:53:45,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:53:45,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:53:45,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:53:45,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:53:45,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:53:45,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:53:45,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:53:45,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:53:45,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:53:45,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:53:45,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:53:45,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:53:45,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:53:45,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:53:45,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:53:45,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:53:45,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:53:45,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:53:45,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:53:45,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:53:45,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:53:45,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:53:45,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:53:45,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:53:45,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:53:45,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:53:45,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:53:45,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:53:45,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:53:45,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:53:45,752 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82409a-281d-449a-9a76-d341e45b947f/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:53:45,787 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:53:45,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:53:45,788 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:53:45,788 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:53:45,789 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:53:45,789 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:53:45,789 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:53:45,790 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:53:45,790 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:53:45,790 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:53:45,790 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:53:45,791 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:53:45,796 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:53:45,797 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:53:45,797 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:53:45,798 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:53:45,798 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:53:45,798 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:53:45,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:53:45,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:53:45,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:53:45,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:53:45,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:53:45,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:53:45,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:53:45,801 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:53:45,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:53:45,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:53:45,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:53:45,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:53:45,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:53:45,804 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:53:45,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:53:45,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:53:45,804 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:53:45,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:53:45,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:53:45,806 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:53:45,806 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_6c82409a-281d-449a-9a76-d341e45b947f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82409a-281d-449a-9a76-d341e45b947f/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2689726c89c7be154f3b0bf0875aa4770854a9a3388665dc7aff0604f303b757 [2022-11-25 23:53:46,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:53:46,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:53:46,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:53:46,167 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:53:46,168 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:53:46,169 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82409a-281d-449a-9a76-d341e45b947f/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--rapidio--rapidio.ko-entry_point.cil.out.i [2022-11-25 23:53:49,198 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:53:49,814 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:53:49,815 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82409a-281d-449a-9a76-d341e45b947f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--rapidio--rapidio.ko-entry_point.cil.out.i [2022-11-25 23:53:49,865 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82409a-281d-449a-9a76-d341e45b947f/bin/utaipan-ByfvJB40ur/data/a3852c80f/f12757d8d9104191a5e990e9bcd8ddcb/FLAGe7bcdad8d [2022-11-25 23:53:49,882 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82409a-281d-449a-9a76-d341e45b947f/bin/utaipan-ByfvJB40ur/data/a3852c80f/f12757d8d9104191a5e990e9bcd8ddcb [2022-11-25 23:53:49,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:53:49,889 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:53:49,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:53:49,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:53:49,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:53:49,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:53:49" (1/1) ... [2022-11-25 23:53:49,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@654beb99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:49, skipping insertion in model container [2022-11-25 23:53:49,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:53:49" (1/1) ... [2022-11-25 23:53:49,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:53:50,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:53:50,561 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:53:50,604 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:53:50,647 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 23:53:50,652 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 23:53:50,659 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:53:50,855 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:53:51,242 WARN L623 FunctionHandler]: Unknown extern function device_add [2022-11-25 23:53:51,247 WARN L623 FunctionHandler]: Unknown extern function request_resource [2022-11-25 23:53:51,248 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:53:51,252 WARN L623 FunctionHandler]: Unknown extern function release_resource [2022-11-25 23:53:51,256 WARN L623 FunctionHandler]: Unknown extern function request_resource [2022-11-25 23:53:51,263 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:53:51,266 WARN L623 FunctionHandler]: Unknown extern function release_resource [2022-11-25 23:53:51,273 WARN L623 FunctionHandler]: Unknown extern function request_resource [2022-11-25 23:53:51,274 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:53:51,277 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:53:51,278 WARN L623 FunctionHandler]: Unknown extern function release_resource [2022-11-25 23:53:51,278 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:53:51,280 WARN L623 FunctionHandler]: Unknown extern function request_resource [2022-11-25 23:53:51,280 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:53:51,281 WARN L623 FunctionHandler]: Unknown extern function release_resource [2022-11-25 23:53:51,282 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:53:51,287 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:51,290 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:51,302 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,313 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,316 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,318 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:53:51,318 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:53:51,328 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:53:51,329 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:53:51,337 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,340 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,342 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,345 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,347 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,351 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,353 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,356 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,357 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:53:51,359 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,363 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,365 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,369 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,369 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:53:51,371 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:53:51,379 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,386 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,395 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,434 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,436 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,452 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:53:51,484 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:53:51,494 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:53:51,497 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,498 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:53:51,498 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:53:51,540 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,575 WARN L623 FunctionHandler]: Unknown extern function __dma_request_channel [2022-11-25 23:53:51,576 WARN L623 FunctionHandler]: Unknown extern function dma_release_channel [2022-11-25 23:53:51,577 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:53:51,580 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:53:51,581 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:53:51,596 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,597 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:53:51,600 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:53:51,608 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,609 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:53:51,615 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:53:51,616 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:53:51,617 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:53:51,619 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:53:51,621 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:53:51,630 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:53:51,631 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:53:51,631 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:53:51,643 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,657 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:53:51,659 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:53:51,660 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-25 23:53:51,660 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:53:51,661 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:53:51,661 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:53:51,662 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:53:51,663 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:53:51,664 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:53:51,665 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,666 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:53:51,675 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:53:51,676 WARN L623 FunctionHandler]: Unknown extern function dev_set_name [2022-11-25 23:53:51,677 WARN L623 FunctionHandler]: Unknown extern function device_register [2022-11-25 23:53:51,677 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:53:51,679 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:53:51,679 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:53:51,680 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:53:51,682 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:51,691 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:53:51,692 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:53:51,692 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:53:51,693 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 23:53:51,693 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:53:51,696 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 23:53:51,696 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 23:53:51,697 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 23:53:51,715 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:51,720 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:51,721 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:51,725 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:51,729 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:51,730 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:51,736 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:51,741 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:51,742 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:51,746 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:51,751 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:51,752 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:51,758 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:51,759 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:53:51,760 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:53:51,761 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:53:51,761 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 23:53:51,761 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:53:51,813 WARN L623 FunctionHandler]: Unknown extern function get_device [2022-11-25 23:53:51,814 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-11-25 23:53:51,826 WARN L623 FunctionHandler]: Unknown extern function driver_register [2022-11-25 23:53:51,830 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-11-25 23:53:51,839 WARN L623 FunctionHandler]: Unknown extern function add_uevent_var [2022-11-25 23:53:51,846 WARN L623 FunctionHandler]: Unknown extern function __class_register [2022-11-25 23:53:51,849 WARN L623 FunctionHandler]: Unknown extern function bus_register [2022-11-25 23:53:51,849 WARN L623 FunctionHandler]: Unknown extern function class_unregister [2022-11-25 23:53:51,909 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:53:51,912 WARN L623 FunctionHandler]: Unknown extern function ldv_module_exit [2022-11-25 23:53:51,917 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:53:51,919 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:53:51,919 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:53:51,920 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 23:53:51,921 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:53:51,927 WARN L623 FunctionHandler]: Unknown extern function kstrtoll [2022-11-25 23:53:51,974 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:51,980 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:51,994 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:51,999 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,004 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,012 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,018 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,025 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,039 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,050 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,056 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,057 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,066 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,073 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:53:52,089 WARN L623 FunctionHandler]: Unknown extern function device_create_bin_file [2022-11-25 23:53:52,090 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-11-25 23:53:52,090 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-11-25 23:53:52,096 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-11-25 23:53:52,096 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:53:52,100 WARN L623 FunctionHandler]: Unknown extern function device_remove_bin_file [2022-11-25 23:53:52,101 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-11-25 23:53:52,101 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-11-25 23:53:52,101 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-11-25 23:53:52,109 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,113 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,126 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:53:52,147 WARN L623 FunctionHandler]: Unknown extern function ldv_release_5 [2022-11-25 23:53:52,148 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_5 [2022-11-25 23:53:52,149 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:53:52,154 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:53:52,156 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:53:52,157 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 23:53:52,157 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:53:52,161 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_6c82409a-281d-449a-9a76-d341e45b947f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--rapidio--rapidio.ko-entry_point.cil.out.i[258393,258406] [2022-11-25 23:53:52,188 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:53:52,189 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:53:52,195 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:53:52,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:53:52,316 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:53:52,394 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:53:52,397 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:53:52,398 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 23:53:52,398 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 23:53:52,398 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:53:52,404 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:53:52,424 WARN L623 FunctionHandler]: Unknown extern function device_add [2022-11-25 23:53:52,431 WARN L623 FunctionHandler]: Unknown extern function request_resource [2022-11-25 23:53:52,431 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:53:52,437 WARN L623 FunctionHandler]: Unknown extern function release_resource [2022-11-25 23:53:52,438 WARN L623 FunctionHandler]: Unknown extern function request_resource [2022-11-25 23:53:52,438 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:53:52,448 WARN L623 FunctionHandler]: Unknown extern function release_resource [2022-11-25 23:53:52,451 WARN L623 FunctionHandler]: Unknown extern function request_resource [2022-11-25 23:53:52,451 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:53:52,452 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:53:52,453 WARN L623 FunctionHandler]: Unknown extern function release_resource [2022-11-25 23:53:52,515 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:53:52,516 WARN L623 FunctionHandler]: Unknown extern function request_resource [2022-11-25 23:53:52,516 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:53:52,517 WARN L623 FunctionHandler]: Unknown extern function release_resource [2022-11-25 23:53:52,517 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:53:52,521 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:52,527 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:52,535 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,543 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,545 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,545 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:53:52,546 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:53:52,549 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:53:52,550 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:53:52,556 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,557 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,559 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,560 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,561 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,566 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,568 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,570 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,570 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:53:52,572 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,577 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,578 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,586 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,586 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:53:52,587 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:53:52,590 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,591 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,597 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,598 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,600 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,604 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:53:52,608 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:53:52,610 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:53:52,613 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,613 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:53:52,614 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:53:52,619 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,648 WARN L623 FunctionHandler]: Unknown extern function __dma_request_channel [2022-11-25 23:53:52,650 WARN L623 FunctionHandler]: Unknown extern function dma_release_channel [2022-11-25 23:53:52,651 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:53:52,654 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:53:52,655 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:53:52,656 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,659 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:53:52,668 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:53:52,670 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,671 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:53:52,673 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:53:52,674 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:53:52,674 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:53:52,675 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:53:52,676 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:53:52,676 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:53:52,678 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:53:52,678 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:53:52,684 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,688 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:53:52,692 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:53:52,693 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-25 23:53:52,693 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:53:52,694 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:53:52,694 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:53:52,695 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:53:52,695 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:53:52,697 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:53:52,698 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,698 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:53:52,700 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:53:52,702 WARN L623 FunctionHandler]: Unknown extern function dev_set_name [2022-11-25 23:53:52,702 WARN L623 FunctionHandler]: Unknown extern function device_register [2022-11-25 23:53:52,702 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:53:52,703 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:53:52,704 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:53:52,706 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:53:52,708 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:53:52,721 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:53:52,721 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:53:52,722 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:53:52,723 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 23:53:52,723 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:53:52,725 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 23:53:52,725 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 23:53:52,725 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 23:53:52,726 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:52,730 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:52,734 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:52,769 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:52,772 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:52,775 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:52,780 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:52,783 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:52,787 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:52,790 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:52,794 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:52,797 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:52,802 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:53:52,805 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:53:52,806 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:53:52,807 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:53:52,807 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 23:53:52,807 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:53:52,811 WARN L623 FunctionHandler]: Unknown extern function get_device [2022-11-25 23:53:52,812 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-11-25 23:53:52,820 WARN L623 FunctionHandler]: Unknown extern function driver_register [2022-11-25 23:53:52,821 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-11-25 23:53:52,823 WARN L623 FunctionHandler]: Unknown extern function add_uevent_var [2022-11-25 23:53:52,825 WARN L623 FunctionHandler]: Unknown extern function __class_register [2022-11-25 23:53:52,826 WARN L623 FunctionHandler]: Unknown extern function bus_register [2022-11-25 23:53:52,826 WARN L623 FunctionHandler]: Unknown extern function class_unregister [2022-11-25 23:53:52,829 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:53:52,831 WARN L623 FunctionHandler]: Unknown extern function ldv_module_exit [2022-11-25 23:53:52,835 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:53:52,836 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:53:52,836 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:53:52,837 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 23:53:52,837 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:53:52,838 WARN L623 FunctionHandler]: Unknown extern function kstrtoll [2022-11-25 23:53:52,848 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,849 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,851 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,852 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,854 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,855 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,857 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,858 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,860 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,865 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,868 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,869 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,871 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,874 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:53:52,883 WARN L623 FunctionHandler]: Unknown extern function device_create_bin_file [2022-11-25 23:53:52,884 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-11-25 23:53:52,884 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-11-25 23:53:52,885 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-11-25 23:53:52,885 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:53:52,886 WARN L623 FunctionHandler]: Unknown extern function device_remove_bin_file [2022-11-25 23:53:52,886 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-11-25 23:53:52,887 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-11-25 23:53:52,887 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-11-25 23:53:52,890 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,891 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:53:52,893 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:53:52,904 WARN L623 FunctionHandler]: Unknown extern function ldv_release_5 [2022-11-25 23:53:52,905 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_5 [2022-11-25 23:53:52,906 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:53:52,906 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:53:52,907 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:53:52,907 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 23:53:52,908 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:53:52,908 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_6c82409a-281d-449a-9a76-d341e45b947f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--rapidio--rapidio.ko-entry_point.cil.out.i[258393,258406] [2022-11-25 23:53:52,910 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:53:52,911 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:53:52,913 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:53:52,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:53:53,074 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:53:53,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:53 WrapperNode [2022-11-25 23:53:53,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:53:53,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:53:53,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:53:53,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:53:53,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:53" (1/1) ... [2022-11-25 23:53:53,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:53" (1/1) ... [2022-11-25 23:53:53,382 INFO L138 Inliner]: procedures = 303, calls = 3997, calls flagged for inlining = 138, calls inlined = 95, statements flattened = 5164 [2022-11-25 23:53:53,382 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:53:53,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:53:53,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:53:53,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:53:53,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:53" (1/1) ... [2022-11-25 23:53:53,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:53" (1/1) ... [2022-11-25 23:53:53,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:53" (1/1) ... [2022-11-25 23:53:53,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:53" (1/1) ... [2022-11-25 23:53:53,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:53" (1/1) ... [2022-11-25 23:53:53,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:53" (1/1) ... [2022-11-25 23:53:53,650 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:53" (1/1) ... [2022-11-25 23:53:53,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:53" (1/1) ... [2022-11-25 23:53:53,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:53:53,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:53:53,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:53:53,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:53:53,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:53" (1/1) ... [2022-11-25 23:53:53,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:53:53,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82409a-281d-449a-9a76-d341e45b947f/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:53:53,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82409a-281d-449a-9a76-d341e45b947f/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:53:53,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82409a-281d-449a-9a76-d341e45b947f/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:53:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure rio_uevent [2022-11-25 23:53:53,772 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_uevent [2022-11-25 23:53:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2022-11-25 23:53:53,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2022-11-25 23:53:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 23:53:53,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 23:53:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 23:53:53,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 23:53:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 23:53:53,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 23:53:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-25 23:53:53,773 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-25 23:53:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-25 23:53:53,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-25 23:53:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-11-25 23:53:53,773 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-11-25 23:53:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-25 23:53:53,773 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-25 23:53:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 23:53:53,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 23:53:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure rio_read_config_16 [2022-11-25 23:53:53,773 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_read_config_16 [2022-11-25 23:53:53,774 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-25 23:53:53,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-25 23:53:53,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:53:53,774 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:53:53,774 INFO L130 BoogieDeclarations]: Found specification of procedure rio_device_remove [2022-11-25 23:53:53,774 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_device_remove [2022-11-25 23:53:53,774 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 23:53:53,774 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 23:53:53,774 INFO L130 BoogieDeclarations]: Found specification of procedure bus_scan_store [2022-11-25 23:53:53,774 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_scan_store [2022-11-25 23:53:53,775 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 23:53:53,775 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 23:53:53,775 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-25 23:53:53,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-25 23:53:53,775 INFO L130 BoogieDeclarations]: Found specification of procedure disc_work_handler [2022-11-25 23:53:53,775 INFO L138 BoogieDeclarations]: Found implementation of procedure disc_work_handler [2022-11-25 23:53:53,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:53:53,775 INFO L130 BoogieDeclarations]: Found specification of procedure rio_dev_put [2022-11-25 23:53:53,775 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_dev_put [2022-11-25 23:53:53,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:53:53,775 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-11-25 23:53:53,776 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-11-25 23:53:53,776 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 23:53:53,776 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 23:53:53,776 INFO L130 BoogieDeclarations]: Found specification of procedure rio_write_config_16 [2022-11-25 23:53:53,776 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_write_config_16 [2022-11-25 23:53:53,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:53:53,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:53:53,776 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_read_config_32 [2022-11-25 23:53:53,776 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_read_config_32 [2022-11-25 23:53:53,776 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_write_config_32 [2022-11-25 23:53:53,776 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_write_config_32 [2022-11-25 23:53:53,777 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-25 23:53:53,777 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-25 23:53:53,777 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-25 23:53:53,777 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-25 23:53:53,777 INFO L130 BoogieDeclarations]: Found specification of procedure rio_name [2022-11-25 23:53:53,777 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_name [2022-11-25 23:53:53,777 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-25 23:53:53,778 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-25 23:53:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure rio_device_probe [2022-11-25 23:53:53,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_device_probe [2022-11-25 23:53:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-25 23:53:53,778 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-25 23:53:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure rio_write_config_32 [2022-11-25 23:53:53,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_write_config_32 [2022-11-25 23:53:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-25 23:53:53,778 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-25 23:53:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:53:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u16~0~X~~u8~0~X~~u32~0~X~int~X~~u32~0~TO~int [2022-11-25 23:53:53,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u16~0~X~~u8~0~X~~u32~0~X~int~X~~u32~0~TO~int [2022-11-25 23:53:53,779 INFO L130 BoogieDeclarations]: Found specification of procedure rio_dev_get [2022-11-25 23:53:53,779 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_dev_get [2022-11-25 23:53:53,779 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 23:53:53,779 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 23:53:53,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:53:53,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 23:53:53,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 23:53:53,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-25 23:53:53,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-25 23:53:53,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:53:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-25 23:53:53,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-25 23:53:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:53:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:53:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 23:53:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2022-11-25 23:53:53,780 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2022-11-25 23:53:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure rio_read_config_8 [2022-11-25 23:53:53,780 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_read_config_8 [2022-11-25 23:53:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure rio_match_bus [2022-11-25 23:53:53,780 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_match_bus [2022-11-25 23:53:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure rio_read_config_32 [2022-11-25 23:53:53,781 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_read_config_32 [2022-11-25 23:53:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-11-25 23:53:53,781 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-11-25 23:53:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure rio_match_device [2022-11-25 23:53:53,781 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_match_device [2022-11-25 23:53:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-25 23:53:53,781 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-25 23:53:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure rio_write_config_8 [2022-11-25 23:53:53,781 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_write_config_8 [2022-11-25 23:53:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:53:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:53:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:53:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u16~0~X~~u8~0~X~~u32~0~X~int~X~$Pointer$~TO~int [2022-11-25 23:53:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u16~0~X~~u8~0~X~~u32~0~X~int~X~$Pointer$~TO~int [2022-11-25 23:53:54,602 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:53:54,606 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:53:54,825 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 23:54:00,844 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:54:01,669 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:54:01,669 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:54:01,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:54:01 BoogieIcfgContainer [2022-11-25 23:54:01,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:54:01,678 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:54:01,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:54:01,682 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:54:01,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:53:49" (1/3) ... [2022-11-25 23:54:01,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f06e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:54:01, skipping insertion in model container [2022-11-25 23:54:01,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:53" (2/3) ... [2022-11-25 23:54:01,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f06e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:54:01, skipping insertion in model container [2022-11-25 23:54:01,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:54:01" (3/3) ... [2022-11-25 23:54:01,687 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--rapidio--rapidio.ko-entry_point.cil.out.i [2022-11-25 23:54:01,709 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:54:01,710 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 23:54:01,800 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:54:01,808 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;@3bd9bf3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:54:01,808 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 23:54:01,815 INFO L276 IsEmpty]: Start isEmpty. Operand has 720 states, 474 states have (on average 1.3924050632911393) internal successors, (660), 505 states have internal predecessors, (660), 197 states have call successors, (197), 48 states have call predecessors, (197), 47 states have return successors, (177), 176 states have call predecessors, (177), 177 states have call successors, (177) [2022-11-25 23:54:01,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-25 23:54:01,828 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:01,828 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:54:01,829 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:54:01,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:01,834 INFO L85 PathProgramCache]: Analyzing trace with hash 117096244, now seen corresponding path program 1 times [2022-11-25 23:54:01,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:01,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586332] [2022-11-25 23:54:01,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:01,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:03,202 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-25 23:54:03,203 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:03,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586332] [2022-11-25 23:54:03,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586332] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:03,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:54:03,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:54:03,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395017192] [2022-11-25 23:54:03,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:03,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:54:03,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:03,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:54:03,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:54:03,265 INFO L87 Difference]: Start difference. First operand has 720 states, 474 states have (on average 1.3924050632911393) internal successors, (660), 505 states have internal predecessors, (660), 197 states have call successors, (197), 48 states have call predecessors, (197), 47 states have return successors, (177), 176 states have call predecessors, (177), 177 states have call successors, (177) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-25 23:54:04,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:04,329 INFO L93 Difference]: Finished difference Result 2124 states and 3089 transitions. [2022-11-25 23:54:04,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:54:04,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 64 [2022-11-25 23:54:04,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:04,363 INFO L225 Difference]: With dead ends: 2124 [2022-11-25 23:54:04,367 INFO L226 Difference]: Without dead ends: 1369 [2022-11-25 23:54:04,379 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 [2022-11-25 23:54:04,384 INFO L413 NwaCegarLoop]: 1097 mSDtfsCounter, 983 mSDsluCounter, 921 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 983 SdHoareTripleChecker+Valid, 2018 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:04,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [983 Valid, 2018 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 23:54:04,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2022-11-25 23:54:04,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 1366. [2022-11-25 23:54:04,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1366 states, 930 states have (on average 1.3483870967741935) internal successors, (1254), 947 states have internal predecessors, (1254), 343 states have call successors, (343), 93 states have call predecessors, (343), 92 states have return successors, (341), 339 states have call predecessors, (341), 341 states have call successors, (341) [2022-11-25 23:54:04,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1366 states and 1938 transitions. [2022-11-25 23:54:04,583 INFO L78 Accepts]: Start accepts. Automaton has 1366 states and 1938 transitions. Word has length 64 [2022-11-25 23:54:04,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:54:04,584 INFO L495 AbstractCegarLoop]: Abstraction has 1366 states and 1938 transitions. [2022-11-25 23:54:04,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-25 23:54:04,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1938 transitions. [2022-11-25 23:54:04,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-25 23:54:04,595 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:04,596 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:54:04,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:54:04,596 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:54:04,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:04,597 INFO L85 PathProgramCache]: Analyzing trace with hash 753674143, now seen corresponding path program 1 times [2022-11-25 23:54:04,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:04,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908142159] [2022-11-25 23:54:04,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:04,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:04,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:05,391 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-25 23:54:05,391 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:05,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908142159] [2022-11-25 23:54:05,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908142159] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:05,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:54:05,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:54:05,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687915893] [2022-11-25 23:54:05,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:05,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:54:05,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:05,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:54:05,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:54:05,400 INFO L87 Difference]: Start difference. First operand 1366 states and 1938 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 23:54:06,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:06,221 INFO L93 Difference]: Finished difference Result 2640 states and 3778 transitions. [2022-11-25 23:54:06,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:54:06,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 67 [2022-11-25 23:54:06,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:06,237 INFO L225 Difference]: With dead ends: 2640 [2022-11-25 23:54:06,237 INFO L226 Difference]: Without dead ends: 2635 [2022-11-25 23:54:06,240 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 [2022-11-25 23:54:06,241 INFO L413 NwaCegarLoop]: 1056 mSDtfsCounter, 899 mSDsluCounter, 889 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 899 SdHoareTripleChecker+Valid, 1945 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:06,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [899 Valid, 1945 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 23:54:06,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2635 states. [2022-11-25 23:54:06,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2635 to 2625. [2022-11-25 23:54:06,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2625 states, 1792 states have (on average 1.3532366071428572) internal successors, (2425), 1833 states have internal predecessors, (2425), 656 states have call successors, (656), 179 states have call predecessors, (656), 176 states have return successors, (674), 640 states have call predecessors, (674), 654 states have call successors, (674) [2022-11-25 23:54:06,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2625 states to 2625 states and 3755 transitions. [2022-11-25 23:54:06,477 INFO L78 Accepts]: Start accepts. Automaton has 2625 states and 3755 transitions. Word has length 67 [2022-11-25 23:54:06,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:54:06,478 INFO L495 AbstractCegarLoop]: Abstraction has 2625 states and 3755 transitions. [2022-11-25 23:54:06,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 23:54:06,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2625 states and 3755 transitions. [2022-11-25 23:54:06,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-25 23:54:06,482 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:06,482 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:54:06,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:54:06,482 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:54:06,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:06,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1963041394, now seen corresponding path program 1 times [2022-11-25 23:54:06,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:06,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095367514] [2022-11-25 23:54:06,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:06,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:07,167 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-25 23:54:07,167 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:07,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095367514] [2022-11-25 23:54:07,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095367514] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:07,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:54:07,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:54:07,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628541957] [2022-11-25 23:54:07,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:07,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:54:07,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:07,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:54:07,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:54:07,171 INFO L87 Difference]: Start difference. First operand 2625 states and 3755 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 23:54:08,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:08,169 INFO L93 Difference]: Finished difference Result 7755 states and 11068 transitions. [2022-11-25 23:54:08,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:54:08,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 91 [2022-11-25 23:54:08,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:08,199 INFO L225 Difference]: With dead ends: 7755 [2022-11-25 23:54:08,199 INFO L226 Difference]: Without dead ends: 5139 [2022-11-25 23:54:08,210 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 [2022-11-25 23:54:08,212 INFO L413 NwaCegarLoop]: 1051 mSDtfsCounter, 934 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 1907 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:08,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 1907 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 23:54:08,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5139 states. [2022-11-25 23:54:08,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5139 to 5131. [2022-11-25 23:54:08,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5131 states, 3498 states have (on average 1.349056603773585) internal successors, (4719), 3581 states have internal predecessors, (4719), 1280 states have call successors, (1280), 357 states have call predecessors, (1280), 352 states have return successors, (1316), 1248 states have call predecessors, (1316), 1278 states have call successors, (1316) [2022-11-25 23:54:08,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5131 states to 5131 states and 7315 transitions. [2022-11-25 23:54:08,590 INFO L78 Accepts]: Start accepts. Automaton has 5131 states and 7315 transitions. Word has length 91 [2022-11-25 23:54:08,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:54:08,591 INFO L495 AbstractCegarLoop]: Abstraction has 5131 states and 7315 transitions. [2022-11-25 23:54:08,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 23:54:08,591 INFO L276 IsEmpty]: Start isEmpty. Operand 5131 states and 7315 transitions. [2022-11-25 23:54:08,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-25 23:54:08,594 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:08,594 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:54:08,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:54:08,595 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:54:08,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:08,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1599099100, now seen corresponding path program 1 times [2022-11-25 23:54:08,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:08,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624989129] [2022-11-25 23:54:08,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:08,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:09,207 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-25 23:54:09,207 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:09,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624989129] [2022-11-25 23:54:09,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624989129] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:09,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:54:09,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:54:09,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309201316] [2022-11-25 23:54:09,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:09,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:54:09,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:09,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:54:09,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:54:09,210 INFO L87 Difference]: Start difference. First operand 5131 states and 7315 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 23:54:10,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:10,431 INFO L93 Difference]: Finished difference Result 14927 states and 21236 transitions. [2022-11-25 23:54:10,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:54:10,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 103 [2022-11-25 23:54:10,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:10,489 INFO L225 Difference]: With dead ends: 14927 [2022-11-25 23:54:10,489 INFO L226 Difference]: Without dead ends: 9805 [2022-11-25 23:54:10,508 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 [2022-11-25 23:54:10,512 INFO L413 NwaCegarLoop]: 1154 mSDtfsCounter, 919 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 919 SdHoareTripleChecker+Valid, 2010 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:10,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [919 Valid, 2010 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 23:54:10,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9805 states. [2022-11-25 23:54:10,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9805 to 9795. [2022-11-25 23:54:11,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9795 states, 6666 states have (on average 1.3427842784278428) internal successors, (8951), 6821 states have internal predecessors, (8951), 2448 states have call successors, (2448), 689 states have call predecessors, (2448), 680 states have return successors, (2518), 2388 states have call predecessors, (2518), 2446 states have call successors, (2518) [2022-11-25 23:54:11,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9795 states to 9795 states and 13917 transitions. [2022-11-25 23:54:11,079 INFO L78 Accepts]: Start accepts. Automaton has 9795 states and 13917 transitions. Word has length 103 [2022-11-25 23:54:11,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:54:11,080 INFO L495 AbstractCegarLoop]: Abstraction has 9795 states and 13917 transitions. [2022-11-25 23:54:11,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 23:54:11,081 INFO L276 IsEmpty]: Start isEmpty. Operand 9795 states and 13917 transitions. [2022-11-25 23:54:11,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-25 23:54:11,087 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:11,087 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:54:11,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:54:11,088 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:54:11,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:11,088 INFO L85 PathProgramCache]: Analyzing trace with hash -803756423, now seen corresponding path program 1 times [2022-11-25 23:54:11,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:11,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409248357] [2022-11-25 23:54:11,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:11,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:11,692 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-25 23:54:11,693 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:11,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409248357] [2022-11-25 23:54:11,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409248357] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:11,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:54:11,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:54:11,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655667871] [2022-11-25 23:54:11,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:11,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:54:11,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:11,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:54:11,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:54:11,695 INFO L87 Difference]: Start difference. First operand 9795 states and 13917 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 23:54:13,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:13,262 INFO L93 Difference]: Finished difference Result 27061 states and 38366 transitions. [2022-11-25 23:54:13,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:54:13,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 130 [2022-11-25 23:54:13,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:13,382 INFO L225 Difference]: With dead ends: 27061 [2022-11-25 23:54:13,383 INFO L226 Difference]: Without dead ends: 17275 [2022-11-25 23:54:13,429 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 [2022-11-25 23:54:13,430 INFO L413 NwaCegarLoop]: 1164 mSDtfsCounter, 746 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 2034 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:13,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [746 Valid, 2034 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 23:54:13,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17275 states. [2022-11-25 23:54:14,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17275 to 17237. [2022-11-25 23:54:14,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17237 states, 11880 states have (on average 1.3411616161616162) internal successors, (15933), 12073 states have internal predecessors, (15933), 4196 states have call successors, (4196), 1169 states have call predecessors, (4196), 1160 states have return successors, (4274), 4122 states have call predecessors, (4274), 4194 states have call successors, (4274) [2022-11-25 23:54:14,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17237 states to 17237 states and 24403 transitions. [2022-11-25 23:54:14,651 INFO L78 Accepts]: Start accepts. Automaton has 17237 states and 24403 transitions. Word has length 130 [2022-11-25 23:54:14,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:54:14,651 INFO L495 AbstractCegarLoop]: Abstraction has 17237 states and 24403 transitions. [2022-11-25 23:54:14,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 23:54:14,652 INFO L276 IsEmpty]: Start isEmpty. Operand 17237 states and 24403 transitions. [2022-11-25 23:54:14,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-11-25 23:54:14,660 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:14,660 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2022-11-25 23:54:14,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:54:14,661 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:54:14,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:14,661 INFO L85 PathProgramCache]: Analyzing trace with hash -175758755, now seen corresponding path program 1 times [2022-11-25 23:54:14,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:14,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150328599] [2022-11-25 23:54:14,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:14,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:15,366 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-11-25 23:54:15,366 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:15,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150328599] [2022-11-25 23:54:15,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150328599] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:15,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:54:15,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:54:15,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153495625] [2022-11-25 23:54:15,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:15,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:54:15,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:15,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:54:15,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:54:15,369 INFO L87 Difference]: Start difference. First operand 17237 states and 24403 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 23:54:17,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:17,247 INFO L93 Difference]: Finished difference Result 42915 states and 60778 transitions. [2022-11-25 23:54:17,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:54:17,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 159 [2022-11-25 23:54:17,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:17,367 INFO L225 Difference]: With dead ends: 42915 [2022-11-25 23:54:17,368 INFO L226 Difference]: Without dead ends: 25687 [2022-11-25 23:54:17,425 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 [2022-11-25 23:54:17,426 INFO L413 NwaCegarLoop]: 1459 mSDtfsCounter, 940 mSDsluCounter, 859 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 940 SdHoareTripleChecker+Valid, 2318 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:17,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [940 Valid, 2318 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 23:54:17,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25687 states. [2022-11-25 23:54:18,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25687 to 25679. [2022-11-25 23:54:18,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25679 states, 17758 states have (on average 1.3386079513458722) internal successors, (23771), 18037 states have internal predecessors, (23771), 6192 states have call successors, (6192), 1741 states have call predecessors, (6192), 1728 states have return successors, (6306), 6084 states have call predecessors, (6306), 6190 states have call successors, (6306) [2022-11-25 23:54:19,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25679 states to 25679 states and 36269 transitions. [2022-11-25 23:54:19,125 INFO L78 Accepts]: Start accepts. Automaton has 25679 states and 36269 transitions. Word has length 159 [2022-11-25 23:54:19,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:54:19,126 INFO L495 AbstractCegarLoop]: Abstraction has 25679 states and 36269 transitions. [2022-11-25 23:54:19,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 23:54:19,127 INFO L276 IsEmpty]: Start isEmpty. Operand 25679 states and 36269 transitions. [2022-11-25 23:54:19,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-25 23:54:19,143 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:19,143 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2022-11-25 23:54:19,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 23:54:19,144 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:54:19,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:19,144 INFO L85 PathProgramCache]: Analyzing trace with hash 743786567, now seen corresponding path program 1 times [2022-11-25 23:54:19,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:19,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897424218] [2022-11-25 23:54:19,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:19,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:20,196 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-11-25 23:54:20,197 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:20,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897424218] [2022-11-25 23:54:20,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897424218] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:20,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:54:20,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:54:20,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431893158] [2022-11-25 23:54:20,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:20,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:54:20,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:20,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:54:20,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:54:20,202 INFO L87 Difference]: Start difference. First operand 25679 states and 36269 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 23:54:22,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:22,818 INFO L93 Difference]: Finished difference Result 63785 states and 90134 transitions. [2022-11-25 23:54:22,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:54:22,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 171 [2022-11-25 23:54:22,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:22,980 INFO L225 Difference]: With dead ends: 63785 [2022-11-25 23:54:22,981 INFO L226 Difference]: Without dead ends: 38115 [2022-11-25 23:54:23,048 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 [2022-11-25 23:54:23,050 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 926 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 926 SdHoareTripleChecker+Valid, 2309 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:23,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [926 Valid, 2309 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 23:54:23,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38115 states. [2022-11-25 23:54:25,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38115 to 38097. [2022-11-25 23:54:25,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38097 states, 26440 states have (on average 1.3359682299546143) internal successors, (35323), 26837 states have internal predecessors, (35323), 9102 states have call successors, (9102), 2573 states have call predecessors, (9102), 2554 states have return successors, (9268), 8946 states have call predecessors, (9268), 9100 states have call successors, (9268) [2022-11-25 23:54:25,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38097 states to 38097 states and 53693 transitions. [2022-11-25 23:54:25,395 INFO L78 Accepts]: Start accepts. Automaton has 38097 states and 53693 transitions. Word has length 171 [2022-11-25 23:54:25,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:54:25,399 INFO L495 AbstractCegarLoop]: Abstraction has 38097 states and 53693 transitions. [2022-11-25 23:54:25,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 23:54:25,400 INFO L276 IsEmpty]: Start isEmpty. Operand 38097 states and 53693 transitions. [2022-11-25 23:54:25,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-11-25 23:54:25,416 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:25,416 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:54:25,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 23:54:25,417 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:54:25,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:25,417 INFO L85 PathProgramCache]: Analyzing trace with hash -456728945, now seen corresponding path program 1 times [2022-11-25 23:54:25,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:25,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831048303] [2022-11-25 23:54:25,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:25,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:27,664 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2022-11-25 23:54:27,664 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:27,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831048303] [2022-11-25 23:54:27,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831048303] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:27,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:54:27,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 23:54:27,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7640032] [2022-11-25 23:54:27,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:27,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:54:27,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:27,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:54:27,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:54:27,667 INFO L87 Difference]: Start difference. First operand 38097 states and 53693 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-25 23:54:31,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:31,482 INFO L93 Difference]: Finished difference Result 88699 states and 125164 transitions. [2022-11-25 23:54:31,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 23:54:31,482 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) Word has length 176 [2022-11-25 23:54:31,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:31,712 INFO L225 Difference]: With dead ends: 88699 [2022-11-25 23:54:31,713 INFO L226 Difference]: Without dead ends: 50611 [2022-11-25 23:54:31,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-11-25 23:54:31,813 INFO L413 NwaCegarLoop]: 1472 mSDtfsCounter, 978 mSDsluCounter, 4281 mSDsCounter, 0 mSdLazyCounter, 1080 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 988 SdHoareTripleChecker+Valid, 5753 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:31,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [988 Valid, 5753 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1080 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-25 23:54:31,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50611 states. [2022-11-25 23:54:34,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50611 to 50435. [2022-11-25 23:54:34,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50435 states, 35026 states have (on average 1.3346371267058756) internal successors, (46747), 35565 states have internal predecessors, (46747), 12032 states have call successors, (12032), 3377 states have call predecessors, (12032), 3376 states have return successors, (12282), 11852 states have call predecessors, (12282), 12030 states have call successors, (12282) [2022-11-25 23:54:34,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50435 states to 50435 states and 71061 transitions. [2022-11-25 23:54:34,511 INFO L78 Accepts]: Start accepts. Automaton has 50435 states and 71061 transitions. Word has length 176 [2022-11-25 23:54:34,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:54:34,512 INFO L495 AbstractCegarLoop]: Abstraction has 50435 states and 71061 transitions. [2022-11-25 23:54:34,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-25 23:54:34,512 INFO L276 IsEmpty]: Start isEmpty. Operand 50435 states and 71061 transitions. [2022-11-25 23:54:34,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-25 23:54:34,533 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:34,534 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:54:34,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 23:54:34,534 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:54:34,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:34,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1443783726, now seen corresponding path program 1 times [2022-11-25 23:54:34,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:34,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924184169] [2022-11-25 23:54:34,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:34,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:36,837 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2022-11-25 23:54:36,838 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:36,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924184169] [2022-11-25 23:54:36,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924184169] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:36,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:54:36,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 23:54:36,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601250209] [2022-11-25 23:54:36,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:36,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:54:36,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:36,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:54:36,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:54:36,841 INFO L87 Difference]: Start difference. First operand 50435 states and 71061 transitions. Second operand has 6 states, 4 states have (on average 17.75) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-25 23:54:39,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:39,515 INFO L93 Difference]: Finished difference Result 101245 states and 142925 transitions. [2022-11-25 23:54:39,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:54:39,516 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 17.75) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 198 [2022-11-25 23:54:39,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:39,889 INFO L225 Difference]: With dead ends: 101245 [2022-11-25 23:54:39,889 INFO L226 Difference]: Without dead ends: 50531 [2022-11-25 23:54:40,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:54:40,020 INFO L413 NwaCegarLoop]: 879 mSDtfsCounter, 3 mSDsluCounter, 3499 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 4378 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:40,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 4378 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 23:54:40,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50531 states. [2022-11-25 23:54:42,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50531 to 50531. [2022-11-25 23:54:42,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50531 states, 35122 states have (on average 1.3337224531632594) internal successors, (46843), 35661 states have internal predecessors, (46843), 12032 states have call successors, (12032), 3377 states have call predecessors, (12032), 3376 states have return successors, (12282), 11852 states have call predecessors, (12282), 12030 states have call successors, (12282) [2022-11-25 23:54:42,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50531 states to 50531 states and 71157 transitions. [2022-11-25 23:54:42,480 INFO L78 Accepts]: Start accepts. Automaton has 50531 states and 71157 transitions. Word has length 198 [2022-11-25 23:54:42,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:54:42,481 INFO L495 AbstractCegarLoop]: Abstraction has 50531 states and 71157 transitions. [2022-11-25 23:54:42,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 17.75) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-25 23:54:42,481 INFO L276 IsEmpty]: Start isEmpty. Operand 50531 states and 71157 transitions. [2022-11-25 23:54:42,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-11-25 23:54:42,504 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:42,505 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:54:42,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 23:54:42,505 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:54:42,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:42,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1561222710, now seen corresponding path program 1 times [2022-11-25 23:54:42,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:42,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108396795] [2022-11-25 23:54:42,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:42,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:44,970 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2022-11-25 23:54:44,970 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:44,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108396795] [2022-11-25 23:54:44,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108396795] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:54:44,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419300145] [2022-11-25 23:54:44,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:44,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:54:44,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82409a-281d-449a-9a76-d341e45b947f/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:54:44,975 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82409a-281d-449a-9a76-d341e45b947f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:54:45,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82409a-281d-449a-9a76-d341e45b947f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:54:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:46,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 7702 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-25 23:54:47,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:54:47,696 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2022-11-25 23:54:47,696 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:54:47,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419300145] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:47,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:54:47,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 13 [2022-11-25 23:54:47,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556184214] [2022-11-25 23:54:47,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:47,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 23:54:47,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:47,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 23:54:47,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-25 23:54:47,699 INFO L87 Difference]: Start difference. First operand 50531 states and 71157 transitions. Second operand has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (21), 4 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 23:54:56,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:56,888 INFO L93 Difference]: Finished difference Result 84058 states and 120878 transitions. [2022-11-25 23:54:56,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-25 23:54:56,889 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (21), 4 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 199 [2022-11-25 23:54:56,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:57,231 INFO L225 Difference]: With dead ends: 84058 [2022-11-25 23:54:57,231 INFO L226 Difference]: Without dead ends: 84055 [2022-11-25 23:54:57,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=130, Invalid=520, Unknown=0, NotChecked=0, Total=650 [2022-11-25 23:54:57,267 INFO L413 NwaCegarLoop]: 1122 mSDtfsCounter, 2011 mSDsluCounter, 3186 mSDsCounter, 0 mSdLazyCounter, 5123 mSolverCounterSat, 998 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2194 SdHoareTripleChecker+Valid, 4308 SdHoareTripleChecker+Invalid, 6121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 998 IncrementalHoareTripleChecker+Valid, 5123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:57,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2194 Valid, 4308 Invalid, 6121 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [998 Valid, 5123 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-11-25 23:54:57,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84055 states. [2022-11-25 23:55:00,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84055 to 79779. [2022-11-25 23:55:00,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79779 states, 55193 states have (on average 1.3321435689308427) internal successors, (73525), 56043 states have internal predecessors, (73525), 19251 states have call successors, (19251), 5131 states have call predecessors, (19251), 5334 states have return successors, (20957), 19264 states have call predecessors, (20957), 19249 states have call successors, (20957) [2022-11-25 23:55:00,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79779 states to 79779 states and 113733 transitions. [2022-11-25 23:55:00,996 INFO L78 Accepts]: Start accepts. Automaton has 79779 states and 113733 transitions. Word has length 199 [2022-11-25 23:55:00,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:55:00,998 INFO L495 AbstractCegarLoop]: Abstraction has 79779 states and 113733 transitions. [2022-11-25 23:55:00,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (21), 4 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 23:55:00,998 INFO L276 IsEmpty]: Start isEmpty. Operand 79779 states and 113733 transitions. [2022-11-25 23:55:01,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-11-25 23:55:01,031 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:55:01,031 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2022-11-25 23:55:01,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82409a-281d-449a-9a76-d341e45b947f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:55:01,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82409a-281d-449a-9a76-d341e45b947f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-25 23:55:01,251 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:55:01,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:55:01,252 INFO L85 PathProgramCache]: Analyzing trace with hash 897181957, now seen corresponding path program 1 times [2022-11-25 23:55:01,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:55:01,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277407091] [2022-11-25 23:55:01,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:01,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:55:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:03,856 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2022-11-25 23:55:03,856 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:55:03,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277407091] [2022-11-25 23:55:03,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277407091] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:55:03,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514604563] [2022-11-25 23:55:03,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:03,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:55:03,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82409a-281d-449a-9a76-d341e45b947f/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:55:03,858 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82409a-281d-449a-9a76-d341e45b947f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:55:03,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82409a-281d-449a-9a76-d341e45b947f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:55:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:05,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 7678 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-25 23:55:05,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:55:06,405 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2022-11-25 23:55:06,405 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:55:06,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514604563] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:55:06,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:55:06,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 15 [2022-11-25 23:55:06,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296295067] [2022-11-25 23:55:06,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:55:06,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 23:55:06,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:55:06,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 23:55:06,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-11-25 23:55:06,408 INFO L87 Difference]: Start difference. First operand 79779 states and 113733 transitions. Second operand has 10 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 4 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-25 23:55:20,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:55:20,991 INFO L93 Difference]: Finished difference Result 202775 states and 297383 transitions. [2022-11-25 23:55:20,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-25 23:55:20,991 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 4 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 205 [2022-11-25 23:55:20,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:55:21,644 INFO L225 Difference]: With dead ends: 202775 [2022-11-25 23:55:21,644 INFO L226 Difference]: Without dead ends: 202772 [2022-11-25 23:55:21,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2022-11-25 23:55:21,702 INFO L413 NwaCegarLoop]: 1573 mSDtfsCounter, 2409 mSDsluCounter, 7468 mSDsCounter, 0 mSdLazyCounter, 9047 mSolverCounterSat, 1284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2649 SdHoareTripleChecker+Valid, 9041 SdHoareTripleChecker+Invalid, 10331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1284 IncrementalHoareTripleChecker+Valid, 9047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:55:21,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2649 Valid, 9041 Invalid, 10331 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1284 Valid, 9047 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2022-11-25 23:55:21,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202772 states.