./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI --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 9d4cee005db193e9c1facb47684505767d12f23c1b879219be0e7ba3c7b775ac --- 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-5e519f3 [2022-11-03 01:41:29,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:41:29,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:41:29,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:41:29,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:41:29,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:41:29,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:41:29,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:41:29,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:41:29,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:41:29,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:41:29,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:41:29,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:41:29,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:41:29,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:41:29,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:41:29,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:41:29,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:41:29,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:41:29,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:41:29,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:41:29,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:41:29,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:41:29,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:41:29,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:41:29,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:41:29,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:41:29,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:41:29,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:41:29,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:41:29,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:41:29,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:41:29,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:41:29,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:41:29,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:41:29,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:41:29,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:41:29,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:41:29,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:41:29,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:41:29,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:41:29,882 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:41:29,938 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:41:29,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:41:29,939 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:41:29,939 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:41:29,942 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:41:29,942 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:41:29,942 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:41:29,942 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:41:29,943 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:41:29,943 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:41:29,944 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:41:29,944 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:41:29,945 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:41:29,945 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:41:29,945 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:41:29,945 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:41:29,945 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:41:29,946 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:41:29,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:41:29,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:41:29,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:41:29,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:41:29,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:41:29,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:41:29,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:41:29,950 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:41:29,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:41:29,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:41:29,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:41:29,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:41:29,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:41:29,951 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:41:29,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:41:29,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:41:29,952 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:41:29,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:41:29,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:41:29,953 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:41:29,953 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_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d4cee005db193e9c1facb47684505767d12f23c1b879219be0e7ba3c7b775ac [2022-11-03 01:41:30,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:41:30,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:41:30,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:41:30,241 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:41:30,241 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:41:30,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i [2022-11-03 01:41:30,320 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/data/153a1b47d/039aa268cb95455b926c11ebb460d9f5/FLAG1d465390b [2022-11-03 01:41:31,201 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:41:31,202 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i [2022-11-03 01:41:31,254 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/data/153a1b47d/039aa268cb95455b926c11ebb460d9f5/FLAG1d465390b [2022-11-03 01:41:31,609 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/data/153a1b47d/039aa268cb95455b926c11ebb460d9f5 [2022-11-03 01:41:31,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:41:31,612 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:41:31,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:41:31,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:41:31,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:41:31,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:41:31" (1/1) ... [2022-11-03 01:41:31,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@796af419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:31, skipping insertion in model container [2022-11-03 01:41:31,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:41:31" (1/1) ... [2022-11-03 01:41:31,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:41:31,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:41:35,477 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364624,364637] [2022-11-03 01:41:35,481 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364769,364782] [2022-11-03 01:41:35,481 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364915,364928] [2022-11-03 01:41:35,482 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365080,365093] [2022-11-03 01:41:35,483 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365238,365251] [2022-11-03 01:41:35,485 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365396,365409] [2022-11-03 01:41:35,491 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365554,365567] [2022-11-03 01:41:35,492 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365714,365727] [2022-11-03 01:41:35,492 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365873,365886] [2022-11-03 01:41:35,493 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366012,366025] [2022-11-03 01:41:35,493 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366154,366167] [2022-11-03 01:41:35,494 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366303,366316] [2022-11-03 01:41:35,495 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366442,366455] [2022-11-03 01:41:35,495 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366597,366610] [2022-11-03 01:41:35,496 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366757,366770] [2022-11-03 01:41:35,496 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366908,366921] [2022-11-03 01:41:35,497 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367059,367072] [2022-11-03 01:41:35,497 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367211,367224] [2022-11-03 01:41:35,499 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367360,367373] [2022-11-03 01:41:35,500 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367508,367521] [2022-11-03 01:41:35,500 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367665,367678] [2022-11-03 01:41:35,500 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367814,367827] [2022-11-03 01:41:35,501 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367970,367983] [2022-11-03 01:41:35,502 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368123,368136] [2022-11-03 01:41:35,503 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368269,368282] [2022-11-03 01:41:35,503 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368412,368425] [2022-11-03 01:41:35,504 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368564,368577] [2022-11-03 01:41:35,505 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368710,368723] [2022-11-03 01:41:35,505 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368855,368868] [2022-11-03 01:41:35,507 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369009,369022] [2022-11-03 01:41:35,507 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369160,369173] [2022-11-03 01:41:35,508 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369315,369328] [2022-11-03 01:41:35,509 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369467,369480] [2022-11-03 01:41:35,509 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369622,369635] [2022-11-03 01:41:35,510 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369786,369799] [2022-11-03 01:41:35,510 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369942,369955] [2022-11-03 01:41:35,510 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370106,370119] [2022-11-03 01:41:35,511 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370248,370261] [2022-11-03 01:41:35,511 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370406,370419] [2022-11-03 01:41:35,512 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370573,370586] [2022-11-03 01:41:35,512 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370732,370745] [2022-11-03 01:41:35,513 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370891,370904] [2022-11-03 01:41:35,513 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371040,371053] [2022-11-03 01:41:35,513 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371187,371200] [2022-11-03 01:41:35,514 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371326,371339] [2022-11-03 01:41:35,514 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371489,371502] [2022-11-03 01:41:35,515 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371655,371668] [2022-11-03 01:41:35,516 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371819,371832] [2022-11-03 01:41:35,522 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371984,371997] [2022-11-03 01:41:35,523 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372149,372162] [2022-11-03 01:41:35,524 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372315,372328] [2022-11-03 01:41:35,524 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372480,372493] [2022-11-03 01:41:35,525 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372647,372660] [2022-11-03 01:41:35,525 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372807,372820] [2022-11-03 01:41:35,526 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372969,372982] [2022-11-03 01:41:35,526 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373128,373141] [2022-11-03 01:41:35,526 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373274,373287] [2022-11-03 01:41:35,527 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373417,373430] [2022-11-03 01:41:35,527 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373561,373574] [2022-11-03 01:41:35,528 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373704,373717] [2022-11-03 01:41:35,528 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373848,373861] [2022-11-03 01:41:35,529 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373989,374002] [2022-11-03 01:41:35,530 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374127,374140] [2022-11-03 01:41:35,531 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374285,374298] [2022-11-03 01:41:35,532 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374444,374457] [2022-11-03 01:41:35,533 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374600,374613] [2022-11-03 01:41:35,533 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374749,374762] [2022-11-03 01:41:35,534 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374901,374914] [2022-11-03 01:41:35,535 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375052,375065] [2022-11-03 01:41:35,535 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375201,375214] [2022-11-03 01:41:35,535 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375353,375366] [2022-11-03 01:41:35,536 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375501,375514] [2022-11-03 01:41:35,537 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375654,375667] [2022-11-03 01:41:35,537 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375805,375818] [2022-11-03 01:41:35,537 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375955,375968] [2022-11-03 01:41:35,538 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376102,376115] [2022-11-03 01:41:35,538 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376253,376266] [2022-11-03 01:41:35,539 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376404,376417] [2022-11-03 01:41:35,539 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376552,376565] [2022-11-03 01:41:35,539 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376718,376731] [2022-11-03 01:41:35,540 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376887,376900] [2022-11-03 01:41:35,540 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377054,377067] [2022-11-03 01:41:35,541 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377222,377235] [2022-11-03 01:41:35,542 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377372,377385] [2022-11-03 01:41:35,543 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377519,377532] [2022-11-03 01:41:35,544 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377680,377693] [2022-11-03 01:41:35,544 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377850,377863] [2022-11-03 01:41:35,545 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[378012,378025] [2022-11-03 01:41:35,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:41:35,584 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:41:36,077 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364624,364637] [2022-11-03 01:41:36,077 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364769,364782] [2022-11-03 01:41:36,078 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364915,364928] [2022-11-03 01:41:36,078 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365080,365093] [2022-11-03 01:41:36,079 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365238,365251] [2022-11-03 01:41:36,079 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365396,365409] [2022-11-03 01:41:36,080 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365554,365567] [2022-11-03 01:41:36,081 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365714,365727] [2022-11-03 01:41:36,081 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365873,365886] [2022-11-03 01:41:36,082 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366012,366025] [2022-11-03 01:41:36,082 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366154,366167] [2022-11-03 01:41:36,083 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366303,366316] [2022-11-03 01:41:36,083 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366442,366455] [2022-11-03 01:41:36,084 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366597,366610] [2022-11-03 01:41:36,084 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366757,366770] [2022-11-03 01:41:36,085 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366908,366921] [2022-11-03 01:41:36,085 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367059,367072] [2022-11-03 01:41:36,086 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367211,367224] [2022-11-03 01:41:36,086 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367360,367373] [2022-11-03 01:41:36,087 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367508,367521] [2022-11-03 01:41:36,087 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367665,367678] [2022-11-03 01:41:36,087 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367814,367827] [2022-11-03 01:41:36,088 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367970,367983] [2022-11-03 01:41:36,088 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368123,368136] [2022-11-03 01:41:36,089 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368269,368282] [2022-11-03 01:41:36,089 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368412,368425] [2022-11-03 01:41:36,090 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368564,368577] [2022-11-03 01:41:36,091 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368710,368723] [2022-11-03 01:41:36,091 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368855,368868] [2022-11-03 01:41:36,092 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369009,369022] [2022-11-03 01:41:36,092 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369160,369173] [2022-11-03 01:41:36,093 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369315,369328] [2022-11-03 01:41:36,093 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369467,369480] [2022-11-03 01:41:36,094 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369622,369635] [2022-11-03 01:41:36,094 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369786,369799] [2022-11-03 01:41:36,095 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369942,369955] [2022-11-03 01:41:36,095 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370106,370119] [2022-11-03 01:41:36,095 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370248,370261] [2022-11-03 01:41:36,096 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370406,370419] [2022-11-03 01:41:36,096 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370573,370586] [2022-11-03 01:41:36,097 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370732,370745] [2022-11-03 01:41:36,098 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370891,370904] [2022-11-03 01:41:36,098 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371040,371053] [2022-11-03 01:41:36,098 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371187,371200] [2022-11-03 01:41:36,099 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371326,371339] [2022-11-03 01:41:36,099 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371489,371502] [2022-11-03 01:41:36,100 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371655,371668] [2022-11-03 01:41:36,101 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371819,371832] [2022-11-03 01:41:36,101 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371984,371997] [2022-11-03 01:41:36,102 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372149,372162] [2022-11-03 01:41:36,102 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372315,372328] [2022-11-03 01:41:36,102 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372480,372493] [2022-11-03 01:41:36,103 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372647,372660] [2022-11-03 01:41:36,103 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372807,372820] [2022-11-03 01:41:36,104 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372969,372982] [2022-11-03 01:41:36,105 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373128,373141] [2022-11-03 01:41:36,105 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373274,373287] [2022-11-03 01:41:36,106 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373417,373430] [2022-11-03 01:41:36,106 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373561,373574] [2022-11-03 01:41:36,107 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373704,373717] [2022-11-03 01:41:36,107 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373848,373861] [2022-11-03 01:41:36,108 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373989,374002] [2022-11-03 01:41:36,108 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374127,374140] [2022-11-03 01:41:36,109 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374285,374298] [2022-11-03 01:41:36,109 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374444,374457] [2022-11-03 01:41:36,110 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374600,374613] [2022-11-03 01:41:36,110 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374749,374762] [2022-11-03 01:41:36,111 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374901,374914] [2022-11-03 01:41:36,111 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375052,375065] [2022-11-03 01:41:36,112 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375201,375214] [2022-11-03 01:41:36,112 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375353,375366] [2022-11-03 01:41:36,113 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375501,375514] [2022-11-03 01:41:36,113 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375654,375667] [2022-11-03 01:41:36,114 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375805,375818] [2022-11-03 01:41:36,115 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375955,375968] [2022-11-03 01:41:36,115 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376102,376115] [2022-11-03 01:41:36,116 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376253,376266] [2022-11-03 01:41:36,116 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376404,376417] [2022-11-03 01:41:36,117 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376552,376565] [2022-11-03 01:41:36,117 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376718,376731] [2022-11-03 01:41:36,118 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376887,376900] [2022-11-03 01:41:36,118 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377054,377067] [2022-11-03 01:41:36,119 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377222,377235] [2022-11-03 01:41:36,119 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377372,377385] [2022-11-03 01:41:36,120 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377519,377532] [2022-11-03 01:41:36,120 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377680,377693] [2022-11-03 01:41:36,121 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377850,377863] [2022-11-03 01:41:36,121 WARN L230 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_2a1dd983-24b7-4728-8901-515281324fe1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[378012,378025] [2022-11-03 01:41:36,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:41:36,320 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:41:36,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:36 WrapperNode [2022-11-03 01:41:36,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:41:36,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:41:36,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:41:36,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:41:36,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:36" (1/1) ... [2022-11-03 01:41:36,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:36" (1/1) ... [2022-11-03 01:41:36,731 INFO L138 Inliner]: procedures = 599, calls = 2864, calls flagged for inlining = 294, calls inlined = 217, statements flattened = 6185 [2022-11-03 01:41:36,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:41:36,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:41:36,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:41:36,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:41:36,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:36" (1/1) ... [2022-11-03 01:41:36,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:36" (1/1) ... [2022-11-03 01:41:36,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:36" (1/1) ... [2022-11-03 01:41:36,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:36" (1/1) ... [2022-11-03 01:41:36,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:36" (1/1) ... [2022-11-03 01:41:36,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:36" (1/1) ... [2022-11-03 01:41:36,977 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:36" (1/1) ... [2022-11-03 01:41:36,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:36" (1/1) ... [2022-11-03 01:41:37,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:41:37,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:41:37,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:41:37,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:41:37,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:36" (1/1) ... [2022-11-03 01:41:37,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:41:37,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:41:37,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:41:37,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:41:37,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 01:41:37,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 01:41:37,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 01:41:37,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 01:41:37,115 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_get_frame [2022-11-03 01:41:37,115 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_get_frame [2022-11-03 01:41:37,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:41:37,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:41:37,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 01:41:37,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 01:41:37,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 01:41:37,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 01:41:37,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-03 01:41:37,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-03 01:41:37,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 01:41:37,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 01:41:37,117 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-03 01:41:37,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-03 01:41:37,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_isp116x [2022-11-03 01:41:37,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_isp116x [2022-11-03 01:41:37,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 01:41:37,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 01:41:37,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 01:41:37,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 01:41:37,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-03 01:41:37,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-03 01:41:37,118 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_read_reg32 [2022-11-03 01:41:37,118 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_read_reg32 [2022-11-03 01:41:37,118 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-11-03 01:41:37,119 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-11-03 01:41:37,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:41:37,119 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_raw_write_data16 [2022-11-03 01:41:37,119 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_raw_write_data16 [2022-11-03 01:41:37,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-03 01:41:37,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-03 01:41:37,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-03 01:41:37,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-03 01:41:37,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 01:41:37,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 01:41:37,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 01:41:37,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 01:41:37,121 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-11-03 01:41:37,121 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-11-03 01:41:37,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:41:37,121 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_read_data16 [2022-11-03 01:41:37,121 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_read_data16 [2022-11-03 01:41:37,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 01:41:37,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 01:41:37,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 01:41:37,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 01:41:37,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_122 [2022-11-03 01:41:37,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_122 [2022-11-03 01:41:37,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 01:41:37,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 01:41:37,123 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_hub_control [2022-11-03 01:41:37,123 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_hub_control [2022-11-03 01:41:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_reset [2022-11-03 01:41:37,124 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_reset [2022-11-03 01:41:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 01:41:37,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 01:41:37,125 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_isp116x [2022-11-03 01:41:37,125 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_isp116x [2022-11-03 01:41:37,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 01:41:37,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 01:41:37,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:41:37,128 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-03 01:41:37,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-03 01:41:37,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:41:37,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 01:41:37,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 01:41:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 01:41:37,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 01:41:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:41:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 01:41:37,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 01:41:37,138 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:41:37,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:41:37,138 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_hcd [2022-11-03 01:41:37,138 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_hcd [2022-11-03 01:41:37,139 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_bus_resume [2022-11-03 01:41:37,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_bus_resume [2022-11-03 01:41:37,139 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 01:41:37,139 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 01:41:37,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 01:41:37,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 01:41:37,139 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_start [2022-11-03 01:41:37,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_start [2022-11-03 01:41:37,140 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-03 01:41:37,140 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-03 01:41:37,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:41:37,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:41:37,140 INFO L130 BoogieDeclarations]: Found specification of procedure finish_request [2022-11-03 01:41:37,140 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_request [2022-11-03 01:41:37,141 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_reg16 [2022-11-03 01:41:37,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_reg16 [2022-11-03 01:41:37,141 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 01:41:37,141 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 01:41:37,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 01:41:37,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 01:41:37,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 01:41:37,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 01:41:37,142 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-03 01:41:37,142 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-03 01:41:37,142 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_reg32 [2022-11-03 01:41:37,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_reg32 [2022-11-03 01:41:37,142 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_sw_reset [2022-11-03 01:41:37,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_sw_reset [2022-11-03 01:41:37,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-03 01:41:37,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-03 01:41:37,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_isp116x [2022-11-03 01:41:37,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_isp116x [2022-11-03 01:41:37,143 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2022-11-03 01:41:37,143 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2022-11-03 01:41:37,143 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_addr [2022-11-03 01:41:37,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_addr [2022-11-03 01:41:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_to_hcd [2022-11-03 01:41:37,201 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_to_hcd [2022-11-03 01:41:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-03 01:41:37,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-03 01:41:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 01:41:37,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 01:41:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:41:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 01:41:37,201 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 01:41:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 01:41:37,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 01:41:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:41:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-03 01:41:37,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-03 01:41:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-03 01:41:37,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-03 01:41:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_101 [2022-11-03 01:41:37,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_101 [2022-11-03 01:41:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:41:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 01:41:37,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 01:41:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 01:41:37,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 01:41:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure start_atl_transfers [2022-11-03 01:41:37,202 INFO L138 BoogieDeclarations]: Found implementation of procedure start_atl_transfers [2022-11-03 01:41:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-11-03 01:41:37,203 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-11-03 01:41:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_probe [2022-11-03 01:41:37,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_probe [2022-11-03 01:41:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 01:41:37,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 01:41:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_data16 [2022-11-03 01:41:37,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_data16 [2022-11-03 01:41:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 01:41:37,203 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 01:41:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 01:41:37,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 01:41:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 01:41:37,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 01:41:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-03 01:41:37,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-03 01:41:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 01:41:37,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 01:41:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-03 01:41:37,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-03 01:41:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 01:41:37,204 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 01:41:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:41:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 01:41:37,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 01:41:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 01:41:37,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 01:41:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_96 [2022-11-03 01:41:37,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_96 [2022-11-03 01:41:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_read_reg16 [2022-11-03 01:41:37,205 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_read_reg16 [2022-11-03 01:41:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 01:41:37,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 01:41:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_95 [2022-11-03 01:41:37,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_95 [2022-11-03 01:41:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_stop [2022-11-03 01:41:37,205 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_stop [2022-11-03 01:41:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_bus_suspend [2022-11-03 01:41:37,205 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_bus_suspend [2022-11-03 01:41:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_raw_read_data16 [2022-11-03 01:41:37,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_raw_read_data16 [2022-11-03 01:41:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 01:41:37,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 01:41:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_resume [2022-11-03 01:41:37,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_resume [2022-11-03 01:41:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 01:41:37,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 01:41:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-03 01:41:37,206 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-03 01:41:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-03 01:41:37,206 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-03 01:41:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_121 [2022-11-03 01:41:37,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_121 [2022-11-03 01:41:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_remove [2022-11-03 01:41:37,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_remove [2022-11-03 01:41:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:41:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-03 01:41:37,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-03 01:41:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-11-03 01:41:37,207 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-11-03 01:41:38,166 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:41:38,169 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:41:38,401 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 01:41:45,030 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:41:46,641 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:41:46,641 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 01:41:46,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:41:46 BoogieIcfgContainer [2022-11-03 01:41:46,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:41:46,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:41:46,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:41:46,654 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:41:46,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:41:31" (1/3) ... [2022-11-03 01:41:46,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784a7a42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:41:46, skipping insertion in model container [2022-11-03 01:41:46,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:36" (2/3) ... [2022-11-03 01:41:46,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784a7a42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:41:46, skipping insertion in model container [2022-11-03 01:41:46,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:41:46" (3/3) ... [2022-11-03 01:41:46,660 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i [2022-11-03 01:41:46,680 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:41:46,680 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-11-03 01:41:46,783 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:41:46,789 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;@dc070b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:41:46,789 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-11-03 01:41:46,799 INFO L276 IsEmpty]: Start isEmpty. Operand has 1608 states, 940 states have (on average 1.3319148936170213) internal successors, (1252), 1009 states have internal predecessors, (1252), 547 states have call successors, (547), 94 states have call predecessors, (547), 93 states have return successors, (540), 532 states have call predecessors, (540), 540 states have call successors, (540) [2022-11-03 01:41:46,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-03 01:41:46,809 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:46,810 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:46,810 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:41:46,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:46,815 INFO L85 PathProgramCache]: Analyzing trace with hash 166415764, now seen corresponding path program 1 times [2022-11-03 01:41:46,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:46,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980345693] [2022-11-03 01:41:46,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:46,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:47,879 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 01:41:47,880 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:47,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980345693] [2022-11-03 01:41:47,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980345693] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:47,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:47,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:41:47,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772096052] [2022-11-03 01:41:47,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:47,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:41:47,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:47,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:41:47,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:41:47,922 INFO L87 Difference]: Start difference. First operand has 1608 states, 940 states have (on average 1.3319148936170213) internal successors, (1252), 1009 states have internal predecessors, (1252), 547 states have call successors, (547), 94 states have call predecessors, (547), 93 states have return successors, (540), 532 states have call predecessors, (540), 540 states have call successors, (540) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-03 01:41:53,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:41:56,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:56,490 INFO L93 Difference]: Finished difference Result 4719 states and 7181 transitions. [2022-11-03 01:41:56,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:41:56,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2022-11-03 01:41:56,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:56,532 INFO L225 Difference]: With dead ends: 4719 [2022-11-03 01:41:56,532 INFO L226 Difference]: Without dead ends: 3104 [2022-11-03 01:41:56,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:41:56,553 INFO L413 NwaCegarLoop]: 2517 mSDtfsCounter, 2199 mSDsluCounter, 5112 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2201 SdHoareTripleChecker+Valid, 7043 SdHoareTripleChecker+Invalid, 896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:56,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2201 Valid, 7043 Invalid, 896 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 894 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2022-11-03 01:41:56,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3104 states. [2022-11-03 01:41:56,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3104 to 2930. [2022-11-03 01:41:56,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2930 states, 1727 states have (on average 1.301679212507238) internal successors, (2248), 1826 states have internal predecessors, (2248), 1013 states have call successors, (1013), 164 states have call predecessors, (1013), 162 states have return successors, (1037), 990 states have call predecessors, (1037), 1011 states have call successors, (1037) [2022-11-03 01:41:56,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2930 states to 2930 states and 4298 transitions. [2022-11-03 01:41:56,886 INFO L78 Accepts]: Start accepts. Automaton has 2930 states and 4298 transitions. Word has length 47 [2022-11-03 01:41:56,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:56,889 INFO L495 AbstractCegarLoop]: Abstraction has 2930 states and 4298 transitions. [2022-11-03 01:41:56,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-03 01:41:56,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2930 states and 4298 transitions. [2022-11-03 01:41:56,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-03 01:41:56,893 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:56,893 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:56,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:41:56,895 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:41:56,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:56,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1570907094, now seen corresponding path program 1 times [2022-11-03 01:41:56,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:56,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606641584] [2022-11-03 01:41:56,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:56,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:57,507 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 01:41:57,507 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:57,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606641584] [2022-11-03 01:41:57,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606641584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:57,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:57,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:41:57,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010141501] [2022-11-03 01:41:57,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:57,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:41:57,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:57,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:41:57,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:41:57,511 INFO L87 Difference]: Start difference. First operand 2930 states and 4298 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-03 01:42:02,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:02,419 INFO L93 Difference]: Finished difference Result 2930 states and 4298 transitions. [2022-11-03 01:42:02,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:42:02,422 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2022-11-03 01:42:02,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:02,442 INFO L225 Difference]: With dead ends: 2930 [2022-11-03 01:42:02,442 INFO L226 Difference]: Without dead ends: 2928 [2022-11-03 01:42:02,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:42:02,448 INFO L413 NwaCegarLoop]: 1983 mSDtfsCounter, 2259 mSDsluCounter, 2277 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2261 SdHoareTripleChecker+Valid, 3966 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:02,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2261 Valid, 3966 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-11-03 01:42:02,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2928 states. [2022-11-03 01:42:02,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2928 to 2928. [2022-11-03 01:42:02,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2928 states, 1726 states have (on average 1.3012746234067207) internal successors, (2246), 1824 states have internal predecessors, (2246), 1013 states have call successors, (1013), 164 states have call predecessors, (1013), 162 states have return successors, (1037), 990 states have call predecessors, (1037), 1011 states have call successors, (1037) [2022-11-03 01:42:02,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 2928 states and 4296 transitions. [2022-11-03 01:42:02,644 INFO L78 Accepts]: Start accepts. Automaton has 2928 states and 4296 transitions. Word has length 52 [2022-11-03 01:42:02,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:02,645 INFO L495 AbstractCegarLoop]: Abstraction has 2928 states and 4296 transitions. [2022-11-03 01:42:02,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-03 01:42:02,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2928 states and 4296 transitions. [2022-11-03 01:42:02,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-03 01:42:02,648 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:02,648 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:02,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:42:02,648 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:42:02,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:02,649 INFO L85 PathProgramCache]: Analyzing trace with hash 129015526, now seen corresponding path program 1 times [2022-11-03 01:42:02,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:02,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878951588] [2022-11-03 01:42:02,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:02,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:03,166 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 01:42:03,167 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:03,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878951588] [2022-11-03 01:42:03,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878951588] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:03,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:03,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:42:03,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347079698] [2022-11-03 01:42:03,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:03,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:42:03,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:03,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:42:03,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:42:03,170 INFO L87 Difference]: Start difference. First operand 2928 states and 4296 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 01:42:06,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:42:08,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:42:09,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:09,675 INFO L93 Difference]: Finished difference Result 2928 states and 4296 transitions. [2022-11-03 01:42:09,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:42:09,677 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 57 [2022-11-03 01:42:09,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:09,699 INFO L225 Difference]: With dead ends: 2928 [2022-11-03 01:42:09,699 INFO L226 Difference]: Without dead ends: 2926 [2022-11-03 01:42:09,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:42:09,704 INFO L413 NwaCegarLoop]: 1981 mSDtfsCounter, 2256 mSDsluCounter, 2275 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2258 SdHoareTripleChecker+Valid, 3962 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:09,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2258 Valid, 3962 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-11-03 01:42:09,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2926 states. [2022-11-03 01:42:09,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2926 to 2926. [2022-11-03 01:42:09,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2926 states, 1725 states have (on average 1.3008695652173914) internal successors, (2244), 1822 states have internal predecessors, (2244), 1013 states have call successors, (1013), 164 states have call predecessors, (1013), 162 states have return successors, (1037), 990 states have call predecessors, (1037), 1011 states have call successors, (1037) [2022-11-03 01:42:09,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 4294 transitions. [2022-11-03 01:42:09,971 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 4294 transitions. Word has length 57 [2022-11-03 01:42:09,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:09,971 INFO L495 AbstractCegarLoop]: Abstraction has 2926 states and 4294 transitions. [2022-11-03 01:42:09,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 01:42:09,972 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 4294 transitions. [2022-11-03 01:42:09,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-03 01:42:09,974 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:09,974 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:09,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:42:09,975 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:42:09,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:09,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1052209422, now seen corresponding path program 1 times [2022-11-03 01:42:09,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:09,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708861011] [2022-11-03 01:42:09,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:09,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:10,377 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 01:42:10,377 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:10,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708861011] [2022-11-03 01:42:10,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708861011] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:10,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:10,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:42:10,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027240625] [2022-11-03 01:42:10,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:10,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:42:10,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:10,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:42:10,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:42:10,380 INFO L87 Difference]: Start difference. First operand 2926 states and 4294 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 01:42:14,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:42:15,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:42:16,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:16,798 INFO L93 Difference]: Finished difference Result 2926 states and 4294 transitions. [2022-11-03 01:42:16,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:42:16,802 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 62 [2022-11-03 01:42:16,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:16,820 INFO L225 Difference]: With dead ends: 2926 [2022-11-03 01:42:16,820 INFO L226 Difference]: Without dead ends: 2924 [2022-11-03 01:42:16,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:42:16,824 INFO L413 NwaCegarLoop]: 1979 mSDtfsCounter, 2253 mSDsluCounter, 2273 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2255 SdHoareTripleChecker+Valid, 3958 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:16,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2255 Valid, 3958 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-11-03 01:42:16,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2924 states. [2022-11-03 01:42:17,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2924 to 2924. [2022-11-03 01:42:17,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2924 states, 1724 states have (on average 1.3004640371229699) internal successors, (2242), 1820 states have internal predecessors, (2242), 1013 states have call successors, (1013), 164 states have call predecessors, (1013), 162 states have return successors, (1037), 990 states have call predecessors, (1037), 1011 states have call successors, (1037) [2022-11-03 01:42:17,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2924 states to 2924 states and 4292 transitions. [2022-11-03 01:42:17,026 INFO L78 Accepts]: Start accepts. Automaton has 2924 states and 4292 transitions. Word has length 62 [2022-11-03 01:42:17,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:17,026 INFO L495 AbstractCegarLoop]: Abstraction has 2924 states and 4292 transitions. [2022-11-03 01:42:17,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 01:42:17,027 INFO L276 IsEmpty]: Start isEmpty. Operand 2924 states and 4292 transitions. [2022-11-03 01:42:17,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-03 01:42:17,032 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:17,033 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:17,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:42:17,034 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:42:17,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:17,035 INFO L85 PathProgramCache]: Analyzing trace with hash 782162404, now seen corresponding path program 1 times [2022-11-03 01:42:17,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:17,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953402868] [2022-11-03 01:42:17,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:17,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:17,421 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-03 01:42:17,421 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:17,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953402868] [2022-11-03 01:42:17,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953402868] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:17,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:17,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:42:17,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47876009] [2022-11-03 01:42:17,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:17,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:42:17,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:17,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:42:17,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:42:17,425 INFO L87 Difference]: Start difference. First operand 2924 states and 4292 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 01:42:20,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:20,183 INFO L93 Difference]: Finished difference Result 5826 states and 8552 transitions. [2022-11-03 01:42:20,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:42:20,186 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), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 72 [2022-11-03 01:42:20,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:20,200 INFO L225 Difference]: With dead ends: 5826 [2022-11-03 01:42:20,200 INFO L226 Difference]: Without dead ends: 2918 [2022-11-03 01:42:20,215 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 [2022-11-03 01:42:20,216 INFO L413 NwaCegarLoop]: 1975 mSDtfsCounter, 2264 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2264 SdHoareTripleChecker+Valid, 1975 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:20,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2264 Valid, 1975 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 01:42:20,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2918 states. [2022-11-03 01:42:20,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2918 to 2918. [2022-11-03 01:42:20,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2918 states, 1719 states have (on average 1.2990110529377545) internal successors, (2233), 1814 states have internal predecessors, (2233), 1013 states have call successors, (1013), 164 states have call predecessors, (1013), 162 states have return successors, (1037), 990 states have call predecessors, (1037), 1011 states have call successors, (1037) [2022-11-03 01:42:20,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2918 states and 4283 transitions. [2022-11-03 01:42:20,431 INFO L78 Accepts]: Start accepts. Automaton has 2918 states and 4283 transitions. Word has length 72 [2022-11-03 01:42:20,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:20,434 INFO L495 AbstractCegarLoop]: Abstraction has 2918 states and 4283 transitions. [2022-11-03 01:42:20,434 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), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 01:42:20,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 4283 transitions. [2022-11-03 01:42:20,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-03 01:42:20,435 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:20,436 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:20,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 01:42:20,436 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:42:20,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:20,436 INFO L85 PathProgramCache]: Analyzing trace with hash -311849514, now seen corresponding path program 1 times [2022-11-03 01:42:20,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:20,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294801399] [2022-11-03 01:42:20,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:20,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:20,837 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 01:42:20,838 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:20,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294801399] [2022-11-03 01:42:20,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294801399] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:20,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:20,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:42:20,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445602866] [2022-11-03 01:42:20,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:20,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:42:20,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:20,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:42:20,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:42:20,840 INFO L87 Difference]: Start difference. First operand 2918 states and 4283 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 01:42:24,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:42:26,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:26,356 INFO L93 Difference]: Finished difference Result 3072 states and 4489 transitions. [2022-11-03 01:42:26,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:42:26,359 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 67 [2022-11-03 01:42:26,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:26,374 INFO L225 Difference]: With dead ends: 3072 [2022-11-03 01:42:26,375 INFO L226 Difference]: Without dead ends: 3070 [2022-11-03 01:42:26,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:42:26,378 INFO L413 NwaCegarLoop]: 1997 mSDtfsCounter, 2244 mSDsluCounter, 2390 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2248 SdHoareTripleChecker+Valid, 4078 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:26,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2248 Valid, 4078 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 605 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-11-03 01:42:26,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3070 states. [2022-11-03 01:42:26,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3070 to 3062. [2022-11-03 01:42:26,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3062 states, 1796 states have (on average 1.2956570155902005) internal successors, (2327), 1896 states have internal predecessors, (2327), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-03 01:42:26,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 4477 transitions. [2022-11-03 01:42:26,615 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 4477 transitions. Word has length 67 [2022-11-03 01:42:26,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:26,615 INFO L495 AbstractCegarLoop]: Abstraction has 3062 states and 4477 transitions. [2022-11-03 01:42:26,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 01:42:26,616 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 4477 transitions. [2022-11-03 01:42:26,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-03 01:42:26,619 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:26,619 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:26,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 01:42:26,620 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:42:26,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:26,620 INFO L85 PathProgramCache]: Analyzing trace with hash -783899061, now seen corresponding path program 1 times [2022-11-03 01:42:26,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:26,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716250282] [2022-11-03 01:42:26,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:26,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:26,948 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-03 01:42:26,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:26,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716250282] [2022-11-03 01:42:26,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716250282] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:42:26,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065481369] [2022-11-03 01:42:26,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:26,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:42:26,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:42:26,952 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:42:26,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 01:42:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:28,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 2910 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 01:42:28,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:42:28,145 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-03 01:42:28,145 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:42:28,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065481369] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:28,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 01:42:28,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-11-03 01:42:28,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174093516] [2022-11-03 01:42:28,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:28,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:42:28,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:28,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:42:28,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:42:28,148 INFO L87 Difference]: Start difference. First operand 3062 states and 4477 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 01:42:31,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:42:32,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:32,140 INFO L93 Difference]: Finished difference Result 6102 states and 8922 transitions. [2022-11-03 01:42:32,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:42:32,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 77 [2022-11-03 01:42:32,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:32,163 INFO L225 Difference]: With dead ends: 6102 [2022-11-03 01:42:32,163 INFO L226 Difference]: Without dead ends: 3056 [2022-11-03 01:42:32,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:42:32,180 INFO L413 NwaCegarLoop]: 1968 mSDtfsCounter, 2249 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2249 SdHoareTripleChecker+Valid, 1968 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:32,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2249 Valid, 1968 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-03 01:42:32,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3056 states. [2022-11-03 01:42:32,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3056 to 3056. [2022-11-03 01:42:32,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3056 states, 1791 states have (on average 1.294249022892239) internal successors, (2318), 1890 states have internal predecessors, (2318), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-03 01:42:32,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3056 states to 3056 states and 4468 transitions. [2022-11-03 01:42:32,436 INFO L78 Accepts]: Start accepts. Automaton has 3056 states and 4468 transitions. Word has length 77 [2022-11-03 01:42:32,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:32,436 INFO L495 AbstractCegarLoop]: Abstraction has 3056 states and 4468 transitions. [2022-11-03 01:42:32,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 01:42:32,437 INFO L276 IsEmpty]: Start isEmpty. Operand 3056 states and 4468 transitions. [2022-11-03 01:42:32,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-03 01:42:32,438 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:32,438 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:32,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 01:42:32,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-03 01:42:32,639 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:42:32,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:32,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1091267574, now seen corresponding path program 1 times [2022-11-03 01:42:32,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:32,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86351851] [2022-11-03 01:42:32,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:32,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:33,077 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 01:42:33,077 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:33,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86351851] [2022-11-03 01:42:33,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86351851] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:33,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:33,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:42:33,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921885449] [2022-11-03 01:42:33,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:33,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:42:33,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:33,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:42:33,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:42:33,080 INFO L87 Difference]: Start difference. First operand 3056 states and 4468 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 01:42:36,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:42:37,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:42:38,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:38,484 INFO L93 Difference]: Finished difference Result 3056 states and 4468 transitions. [2022-11-03 01:42:38,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:42:38,486 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 72 [2022-11-03 01:42:38,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:38,504 INFO L225 Difference]: With dead ends: 3056 [2022-11-03 01:42:38,504 INFO L226 Difference]: Without dead ends: 3054 [2022-11-03 01:42:38,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:42:38,507 INFO L413 NwaCegarLoop]: 1965 mSDtfsCounter, 2237 mSDsluCounter, 2259 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2239 SdHoareTripleChecker+Valid, 3930 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:38,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2239 Valid, 3930 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-11-03 01:42:38,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3054 states. [2022-11-03 01:42:38,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3054 to 3054. [2022-11-03 01:42:38,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3054 states, 1790 states have (on average 1.293854748603352) internal successors, (2316), 1888 states have internal predecessors, (2316), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-03 01:42:38,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3054 states to 3054 states and 4466 transitions. [2022-11-03 01:42:38,860 INFO L78 Accepts]: Start accepts. Automaton has 3054 states and 4466 transitions. Word has length 72 [2022-11-03 01:42:38,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:38,862 INFO L495 AbstractCegarLoop]: Abstraction has 3054 states and 4466 transitions. [2022-11-03 01:42:38,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 01:42:38,862 INFO L276 IsEmpty]: Start isEmpty. Operand 3054 states and 4466 transitions. [2022-11-03 01:42:38,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-03 01:42:38,869 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:38,870 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:38,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 01:42:38,870 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:42:38,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:38,871 INFO L85 PathProgramCache]: Analyzing trace with hash 738584641, now seen corresponding path program 1 times [2022-11-03 01:42:38,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:38,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332374686] [2022-11-03 01:42:38,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:38,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:39,308 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 01:42:39,309 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:39,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332374686] [2022-11-03 01:42:39,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332374686] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:39,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:39,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:42:39,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70801520] [2022-11-03 01:42:39,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:39,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:42:39,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:39,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:42:39,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:42:39,311 INFO L87 Difference]: Start difference. First operand 3054 states and 4466 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 01:42:42,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:42:43,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:42:45,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:45,240 INFO L93 Difference]: Finished difference Result 3054 states and 4466 transitions. [2022-11-03 01:42:45,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:42:45,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 77 [2022-11-03 01:42:45,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:45,263 INFO L225 Difference]: With dead ends: 3054 [2022-11-03 01:42:45,264 INFO L226 Difference]: Without dead ends: 3052 [2022-11-03 01:42:45,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:42:45,267 INFO L413 NwaCegarLoop]: 1963 mSDtfsCounter, 2234 mSDsluCounter, 2257 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2236 SdHoareTripleChecker+Valid, 3926 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:45,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2236 Valid, 3926 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-11-03 01:42:45,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3052 states. [2022-11-03 01:42:45,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3052 to 3052. [2022-11-03 01:42:45,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3052 states, 1789 states have (on average 1.2934600335382895) internal successors, (2314), 1886 states have internal predecessors, (2314), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-03 01:42:45,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3052 states to 3052 states and 4464 transitions. [2022-11-03 01:42:45,597 INFO L78 Accepts]: Start accepts. Automaton has 3052 states and 4464 transitions. Word has length 77 [2022-11-03 01:42:45,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:45,597 INFO L495 AbstractCegarLoop]: Abstraction has 3052 states and 4464 transitions. [2022-11-03 01:42:45,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 01:42:45,598 INFO L276 IsEmpty]: Start isEmpty. Operand 3052 states and 4464 transitions. [2022-11-03 01:42:45,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-03 01:42:45,600 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:45,600 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:45,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 01:42:45,601 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:42:45,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:45,601 INFO L85 PathProgramCache]: Analyzing trace with hash -100172281, now seen corresponding path program 1 times [2022-11-03 01:42:45,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:45,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701641657] [2022-11-03 01:42:45,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:45,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:45,973 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 01:42:45,973 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:45,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701641657] [2022-11-03 01:42:45,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701641657] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:45,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:45,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:42:45,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310227972] [2022-11-03 01:42:45,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:45,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:42:45,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:45,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:42:45,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:42:45,975 INFO L87 Difference]: Start difference. First operand 3052 states and 4464 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 01:42:49,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:42:51,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:42:52,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:52,061 INFO L93 Difference]: Finished difference Result 3052 states and 4464 transitions. [2022-11-03 01:42:52,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:42:52,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 82 [2022-11-03 01:42:52,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:52,089 INFO L225 Difference]: With dead ends: 3052 [2022-11-03 01:42:52,090 INFO L226 Difference]: Without dead ends: 3050 [2022-11-03 01:42:52,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:42:52,093 INFO L413 NwaCegarLoop]: 1961 mSDtfsCounter, 2235 mSDsluCounter, 2251 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2237 SdHoareTripleChecker+Valid, 3918 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:52,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2237 Valid, 3918 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-11-03 01:42:52,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3050 states. [2022-11-03 01:42:52,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3050 to 3050. [2022-11-03 01:42:52,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3050 states, 1788 states have (on average 1.2930648769574944) internal successors, (2312), 1884 states have internal predecessors, (2312), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-03 01:42:52,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 3050 states and 4462 transitions. [2022-11-03 01:42:52,435 INFO L78 Accepts]: Start accepts. Automaton has 3050 states and 4462 transitions. Word has length 82 [2022-11-03 01:42:52,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:52,436 INFO L495 AbstractCegarLoop]: Abstraction has 3050 states and 4462 transitions. [2022-11-03 01:42:52,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 01:42:52,436 INFO L276 IsEmpty]: Start isEmpty. Operand 3050 states and 4462 transitions. [2022-11-03 01:42:52,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-03 01:42:52,437 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:52,438 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:52,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 01:42:52,438 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:42:52,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:52,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1776146742, now seen corresponding path program 1 times [2022-11-03 01:42:52,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:52,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382695892] [2022-11-03 01:42:52,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:52,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:52,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:52,794 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 01:42:52,795 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:52,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382695892] [2022-11-03 01:42:52,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382695892] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:52,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:52,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:42:52,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112736246] [2022-11-03 01:42:52,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:52,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:42:52,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:52,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:42:52,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:42:52,797 INFO L87 Difference]: Start difference. First operand 3050 states and 4462 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 01:42:56,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:42:57,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:57,932 INFO L93 Difference]: Finished difference Result 3058 states and 4472 transitions. [2022-11-03 01:42:57,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:42:57,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84 [2022-11-03 01:42:57,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:57,944 INFO L225 Difference]: With dead ends: 3058 [2022-11-03 01:42:57,945 INFO L226 Difference]: Without dead ends: 3056 [2022-11-03 01:42:57,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:42:57,947 INFO L413 NwaCegarLoop]: 1984 mSDtfsCounter, 2226 mSDsluCounter, 2377 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2230 SdHoareTripleChecker+Valid, 4052 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:57,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2230 Valid, 4052 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 605 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-11-03 01:42:57,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3056 states. [2022-11-03 01:42:58,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3056 to 3048. [2022-11-03 01:42:58,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3048 states, 1787 states have (on average 1.2926692781197537) internal successors, (2310), 1882 states have internal predecessors, (2310), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-03 01:42:58,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3048 states to 3048 states and 4460 transitions. [2022-11-03 01:42:58,255 INFO L78 Accepts]: Start accepts. Automaton has 3048 states and 4460 transitions. Word has length 84 [2022-11-03 01:42:58,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:58,256 INFO L495 AbstractCegarLoop]: Abstraction has 3048 states and 4460 transitions. [2022-11-03 01:42:58,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 01:42:58,256 INFO L276 IsEmpty]: Start isEmpty. Operand 3048 states and 4460 transitions. [2022-11-03 01:42:58,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-03 01:42:58,258 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:58,258 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:58,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 01:42:58,259 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:42:58,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:58,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1334270124, now seen corresponding path program 1 times [2022-11-03 01:42:58,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:58,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886063700] [2022-11-03 01:42:58,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:58,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:58,628 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 01:42:58,628 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:58,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886063700] [2022-11-03 01:42:58,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886063700] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:58,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:58,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:42:58,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342927958] [2022-11-03 01:42:58,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:58,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:42:58,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:58,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:42:58,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:42:58,631 INFO L87 Difference]: Start difference. First operand 3048 states and 4460 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 01:43:02,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:43:03,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:43:04,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:04,748 INFO L93 Difference]: Finished difference Result 3048 states and 4460 transitions. [2022-11-03 01:43:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:43:04,750 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 89 [2022-11-03 01:43:04,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:04,764 INFO L225 Difference]: With dead ends: 3048 [2022-11-03 01:43:04,764 INFO L226 Difference]: Without dead ends: 3046 [2022-11-03 01:43:04,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:43:04,768 INFO L413 NwaCegarLoop]: 1957 mSDtfsCounter, 2226 mSDsluCounter, 2251 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2228 SdHoareTripleChecker+Valid, 3914 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:04,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2228 Valid, 3914 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-11-03 01:43:04,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3046 states. [2022-11-03 01:43:05,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3046 to 3046. [2022-11-03 01:43:05,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3046 states, 1786 states have (on average 1.292273236282195) internal successors, (2308), 1880 states have internal predecessors, (2308), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-03 01:43:05,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3046 states to 3046 states and 4458 transitions. [2022-11-03 01:43:05,048 INFO L78 Accepts]: Start accepts. Automaton has 3046 states and 4458 transitions. Word has length 89 [2022-11-03 01:43:05,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:05,048 INFO L495 AbstractCegarLoop]: Abstraction has 3046 states and 4458 transitions. [2022-11-03 01:43:05,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 01:43:05,049 INFO L276 IsEmpty]: Start isEmpty. Operand 3046 states and 4458 transitions. [2022-11-03 01:43:05,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-03 01:43:05,050 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:05,051 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:05,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-03 01:43:05,051 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:43:05,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:05,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1285133149, now seen corresponding path program 1 times [2022-11-03 01:43:05,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:05,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126587138] [2022-11-03 01:43:05,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:05,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:05,431 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 01:43:05,432 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:05,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126587138] [2022-11-03 01:43:05,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126587138] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:05,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:05,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:43:05,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951083124] [2022-11-03 01:43:05,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:05,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:43:05,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:05,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:43:05,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:43:05,434 INFO L87 Difference]: Start difference. First operand 3046 states and 4458 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 01:43:09,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:43:10,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:10,414 INFO L93 Difference]: Finished difference Result 3054 states and 4468 transitions. [2022-11-03 01:43:10,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:43:10,416 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2022-11-03 01:43:10,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:10,428 INFO L225 Difference]: With dead ends: 3054 [2022-11-03 01:43:10,428 INFO L226 Difference]: Without dead ends: 3052 [2022-11-03 01:43:10,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:43:10,431 INFO L413 NwaCegarLoop]: 1980 mSDtfsCounter, 2222 mSDsluCounter, 2373 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2226 SdHoareTripleChecker+Valid, 4044 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:10,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2226 Valid, 4044 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 605 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-11-03 01:43:10,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3052 states. [2022-11-03 01:43:10,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3052 to 3044. [2022-11-03 01:43:10,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3044 states, 1785 states have (on average 1.2918767507002802) internal successors, (2306), 1878 states have internal predecessors, (2306), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-03 01:43:10,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3044 states to 3044 states and 4456 transitions. [2022-11-03 01:43:10,848 INFO L78 Accepts]: Start accepts. Automaton has 3044 states and 4456 transitions. Word has length 94 [2022-11-03 01:43:10,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:10,848 INFO L495 AbstractCegarLoop]: Abstraction has 3044 states and 4456 transitions. [2022-11-03 01:43:10,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 01:43:10,848 INFO L276 IsEmpty]: Start isEmpty. Operand 3044 states and 4456 transitions. [2022-11-03 01:43:10,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-03 01:43:10,850 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:10,850 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:10,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-03 01:43:10,851 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:43:10,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:10,851 INFO L85 PathProgramCache]: Analyzing trace with hash -345058507, now seen corresponding path program 1 times [2022-11-03 01:43:10,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:10,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402172571] [2022-11-03 01:43:10,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:10,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:11,215 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 01:43:11,216 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:11,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402172571] [2022-11-03 01:43:11,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402172571] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:11,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:11,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:43:11,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195170022] [2022-11-03 01:43:11,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:11,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:43:11,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:11,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:43:11,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:43:11,219 INFO L87 Difference]: Start difference. First operand 3044 states and 4456 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 01:43:15,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:43:16,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:16,481 INFO L93 Difference]: Finished difference Result 3052 states and 4466 transitions. [2022-11-03 01:43:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:43:16,484 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 99 [2022-11-03 01:43:16,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:16,496 INFO L225 Difference]: With dead ends: 3052 [2022-11-03 01:43:16,496 INFO L226 Difference]: Without dead ends: 3050 [2022-11-03 01:43:16,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:43:16,499 INFO L413 NwaCegarLoop]: 1978 mSDtfsCounter, 2219 mSDsluCounter, 2371 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2223 SdHoareTripleChecker+Valid, 4040 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:16,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2223 Valid, 4040 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 605 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-11-03 01:43:16,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3050 states. [2022-11-03 01:43:16,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3050 to 3042. [2022-11-03 01:43:16,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3042 states, 1784 states have (on average 1.2914798206278026) internal successors, (2304), 1876 states have internal predecessors, (2304), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-03 01:43:16,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 3042 states and 4454 transitions. [2022-11-03 01:43:16,890 INFO L78 Accepts]: Start accepts. Automaton has 3042 states and 4454 transitions. Word has length 99 [2022-11-03 01:43:16,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:16,890 INFO L495 AbstractCegarLoop]: Abstraction has 3042 states and 4454 transitions. [2022-11-03 01:43:16,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 01:43:16,891 INFO L276 IsEmpty]: Start isEmpty. Operand 3042 states and 4454 transitions. [2022-11-03 01:43:16,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-03 01:43:16,894 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:16,894 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 4, 4, 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] [2022-11-03 01:43:16,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-03 01:43:16,894 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:43:16,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:16,895 INFO L85 PathProgramCache]: Analyzing trace with hash 481526363, now seen corresponding path program 1 times [2022-11-03 01:43:16,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:16,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321057036] [2022-11-03 01:43:16,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:16,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:17,569 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-11-03 01:43:17,569 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:17,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321057036] [2022-11-03 01:43:17,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321057036] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:17,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:17,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:43:17,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098076576] [2022-11-03 01:43:17,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:17,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:43:17,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:17,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:43:17,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:43:17,573 INFO L87 Difference]: Start difference. First operand 3042 states and 4454 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 01:43:22,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:43:24,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:24,242 INFO L93 Difference]: Finished difference Result 3096 states and 4493 transitions. [2022-11-03 01:43:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:43:24,245 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 131 [2022-11-03 01:43:24,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:24,260 INFO L225 Difference]: With dead ends: 3096 [2022-11-03 01:43:24,260 INFO L226 Difference]: Without dead ends: 3094 [2022-11-03 01:43:24,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:43:24,263 INFO L413 NwaCegarLoop]: 1953 mSDtfsCounter, 1169 mSDsluCounter, 5556 mSDsCounter, 0 mSdLazyCounter, 1000 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 6810 SdHoareTripleChecker+Invalid, 1002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1000 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:24,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1170 Valid, 6810 Invalid, 1002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1000 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-11-03 01:43:24,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3094 states. [2022-11-03 01:43:24,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3094 to 3094. [2022-11-03 01:43:24,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3094 states, 1810 states have (on average 1.2861878453038673) internal successors, (2328), 1901 states have internal predecessors, (2328), 1069 states have call successors, (1069), 203 states have call predecessors, (1069), 201 states have return successors, (1093), 1042 states have call predecessors, (1093), 1067 states have call successors, (1093) [2022-11-03 01:43:24,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3094 states to 3094 states and 4490 transitions. [2022-11-03 01:43:24,664 INFO L78 Accepts]: Start accepts. Automaton has 3094 states and 4490 transitions. Word has length 131 [2022-11-03 01:43:24,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:24,665 INFO L495 AbstractCegarLoop]: Abstraction has 3094 states and 4490 transitions. [2022-11-03 01:43:24,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 01:43:24,665 INFO L276 IsEmpty]: Start isEmpty. Operand 3094 states and 4490 transitions. [2022-11-03 01:43:24,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-03 01:43:24,667 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:24,667 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:24,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-03 01:43:24,667 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:43:24,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:24,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1112838759, now seen corresponding path program 1 times [2022-11-03 01:43:24,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:24,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242859136] [2022-11-03 01:43:24,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:24,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:25,011 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 01:43:25,012 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:25,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242859136] [2022-11-03 01:43:25,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242859136] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:25,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:25,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:43:25,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041947508] [2022-11-03 01:43:25,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:25,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:43:25,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:25,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:43:25,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:43:25,014 INFO L87 Difference]: Start difference. First operand 3094 states and 4490 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 01:43:28,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:43:29,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:29,826 INFO L93 Difference]: Finished difference Result 3094 states and 4490 transitions. [2022-11-03 01:43:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:43:29,828 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 104 [2022-11-03 01:43:29,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:29,839 INFO L225 Difference]: With dead ends: 3094 [2022-11-03 01:43:29,839 INFO L226 Difference]: Without dead ends: 3092 [2022-11-03 01:43:29,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:43:29,842 INFO L413 NwaCegarLoop]: 1949 mSDtfsCounter, 2215 mSDsluCounter, 2243 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2217 SdHoareTripleChecker+Valid, 3898 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:29,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2217 Valid, 3898 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-03 01:43:29,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3092 states. [2022-11-03 01:43:30,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3092 to 3092. [2022-11-03 01:43:30,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3092 states, 1809 states have (on average 1.2857932559425096) internal successors, (2326), 1899 states have internal predecessors, (2326), 1069 states have call successors, (1069), 203 states have call predecessors, (1069), 201 states have return successors, (1093), 1042 states have call predecessors, (1093), 1067 states have call successors, (1093) [2022-11-03 01:43:30,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3092 states to 3092 states and 4488 transitions. [2022-11-03 01:43:30,248 INFO L78 Accepts]: Start accepts. Automaton has 3092 states and 4488 transitions. Word has length 104 [2022-11-03 01:43:30,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:30,249 INFO L495 AbstractCegarLoop]: Abstraction has 3092 states and 4488 transitions. [2022-11-03 01:43:30,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 01:43:30,249 INFO L276 IsEmpty]: Start isEmpty. Operand 3092 states and 4488 transitions. [2022-11-03 01:43:30,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-03 01:43:30,251 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:30,252 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:30,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-03 01:43:30,252 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:43:30,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:30,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1340395561, now seen corresponding path program 1 times [2022-11-03 01:43:30,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:30,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409972705] [2022-11-03 01:43:30,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:30,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:32,199 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-11-03 01:43:32,199 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:32,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409972705] [2022-11-03 01:43:32,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409972705] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:43:32,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751192228] [2022-11-03 01:43:32,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:32,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:43:32,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:43:32,202 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:43:32,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 01:43:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:33,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 3138 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-03 01:43:33,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:43:33,601 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-11-03 01:43:33,602 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:43:33,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751192228] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:33,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 01:43:33,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 17 [2022-11-03 01:43:33,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554610919] [2022-11-03 01:43:33,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:33,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 01:43:33,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:33,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 01:43:33,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2022-11-03 01:43:33,603 INFO L87 Difference]: Start difference. First operand 3092 states and 4488 transitions. Second operand has 12 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2022-11-03 01:43:46,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:43:48,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:43:50,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:43:51,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:43:53,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:43:55,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:43:57,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:43:58,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:44:05,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:44:05,160 INFO L93 Difference]: Finished difference Result 6974 states and 10264 transitions. [2022-11-03 01:44:05,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-03 01:44:05,163 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) Word has length 120 [2022-11-03 01:44:05,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:44:05,184 INFO L225 Difference]: With dead ends: 6974 [2022-11-03 01:44:05,185 INFO L226 Difference]: Without dead ends: 3896 [2022-11-03 01:44:05,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2022-11-03 01:44:05,208 INFO L413 NwaCegarLoop]: 2496 mSDtfsCounter, 943 mSDsluCounter, 27139 mSDsCounter, 0 mSdLazyCounter, 4452 mSolverCounterSat, 532 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 945 SdHoareTripleChecker+Valid, 26160 SdHoareTripleChecker+Invalid, 4984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 532 IncrementalHoareTripleChecker+Valid, 4452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:44:05,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [945 Valid, 26160 Invalid, 4984 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [532 Valid, 4452 Invalid, 0 Unknown, 0 Unchecked, 30.6s Time] [2022-11-03 01:44:05,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3896 states. [2022-11-03 01:44:05,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3896 to 3120. [2022-11-03 01:44:05,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3120 states, 1827 states have (on average 1.2829775588396277) internal successors, (2344), 1917 states have internal predecessors, (2344), 1077 states have call successors, (1077), 203 states have call predecessors, (1077), 203 states have return successors, (1105), 1052 states have call predecessors, (1105), 1075 states have call successors, (1105) [2022-11-03 01:44:05,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3120 states to 3120 states and 4526 transitions. [2022-11-03 01:44:05,754 INFO L78 Accepts]: Start accepts. Automaton has 3120 states and 4526 transitions. Word has length 120 [2022-11-03 01:44:05,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:44:05,755 INFO L495 AbstractCegarLoop]: Abstraction has 3120 states and 4526 transitions. [2022-11-03 01:44:05,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2022-11-03 01:44:05,755 INFO L276 IsEmpty]: Start isEmpty. Operand 3120 states and 4526 transitions. [2022-11-03 01:44:05,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-03 01:44:05,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:44:05,757 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:44:05,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 01:44:05,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-03 01:44:05,973 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:44:05,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:44:05,973 INFO L85 PathProgramCache]: Analyzing trace with hash -10400111, now seen corresponding path program 1 times [2022-11-03 01:44:05,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:44:05,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221412385] [2022-11-03 01:44:05,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:44:05,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:44:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:44:06,331 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 01:44:06,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:44:06,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221412385] [2022-11-03 01:44:06,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221412385] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:44:06,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:44:06,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:44:06,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445377992] [2022-11-03 01:44:06,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:44:06,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:44:06,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:44:06,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:44:06,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:44:06,334 INFO L87 Difference]: Start difference. First operand 3120 states and 4526 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-03 01:44:11,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:44:11,399 INFO L93 Difference]: Finished difference Result 3120 states and 4526 transitions. [2022-11-03 01:44:11,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:44:11,401 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 109 [2022-11-03 01:44:11,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:44:11,409 INFO L225 Difference]: With dead ends: 3120 [2022-11-03 01:44:11,409 INFO L226 Difference]: Without dead ends: 3118 [2022-11-03 01:44:11,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:44:11,412 INFO L413 NwaCegarLoop]: 1947 mSDtfsCounter, 2212 mSDsluCounter, 2241 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2214 SdHoareTripleChecker+Valid, 3894 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:44:11,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2214 Valid, 3894 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-11-03 01:44:11,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3118 states. [2022-11-03 01:44:11,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3118 to 3118. [2022-11-03 01:44:11,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3118 states, 1826 states have (on average 1.2825848849945236) internal successors, (2342), 1915 states have internal predecessors, (2342), 1077 states have call successors, (1077), 203 states have call predecessors, (1077), 203 states have return successors, (1105), 1052 states have call predecessors, (1105), 1075 states have call successors, (1105) [2022-11-03 01:44:11,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3118 states to 3118 states and 4524 transitions. [2022-11-03 01:44:11,900 INFO L78 Accepts]: Start accepts. Automaton has 3118 states and 4524 transitions. Word has length 109 [2022-11-03 01:44:11,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:44:11,901 INFO L495 AbstractCegarLoop]: Abstraction has 3118 states and 4524 transitions. [2022-11-03 01:44:11,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-03 01:44:11,901 INFO L276 IsEmpty]: Start isEmpty. Operand 3118 states and 4524 transitions. [2022-11-03 01:44:11,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-03 01:44:11,903 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:44:11,903 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:44:11,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-03 01:44:11,904 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:44:11,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:44:11,906 INFO L85 PathProgramCache]: Analyzing trace with hash 2069424681, now seen corresponding path program 1 times [2022-11-03 01:44:11,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:44:11,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3582682] [2022-11-03 01:44:11,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:44:11,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:44:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:44:13,518 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-11-03 01:44:13,519 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:44:13,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3582682] [2022-11-03 01:44:13,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3582682] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:44:13,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807598108] [2022-11-03 01:44:13,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:44:13,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:44:13,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:44:13,521 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:44:13,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 01:44:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:44:14,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 3144 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-03 01:44:14,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:44:14,981 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-11-03 01:44:14,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:44:14,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807598108] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:44:14,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 01:44:14,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [9] total 18 [2022-11-03 01:44:14,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113568356] [2022-11-03 01:44:14,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:44:14,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 01:44:14,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:44:14,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 01:44:14,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2022-11-03 01:44:14,984 INFO L87 Difference]: Start difference. First operand 3118 states and 4524 transitions. Second operand has 13 states, 10 states have (on average 5.2) internal successors, (52), 11 states have internal predecessors, (52), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2022-11-03 01:44:29,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:44:40,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:44:40,179 INFO L93 Difference]: Finished difference Result 7055 states and 10379 transitions. [2022-11-03 01:44:40,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 01:44:40,182 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 5.2) internal successors, (52), 11 states have internal predecessors, (52), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) Word has length 122 [2022-11-03 01:44:40,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:44:40,203 INFO L225 Difference]: With dead ends: 7055 [2022-11-03 01:44:40,203 INFO L226 Difference]: Without dead ends: 3951 [2022-11-03 01:44:40,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-11-03 01:44:40,227 INFO L413 NwaCegarLoop]: 2511 mSDtfsCounter, 953 mSDsluCounter, 30118 mSDsCounter, 0 mSdLazyCounter, 4873 mSolverCounterSat, 537 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 960 SdHoareTripleChecker+Valid, 28805 SdHoareTripleChecker+Invalid, 5411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 537 IncrementalHoareTripleChecker+Valid, 4873 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:44:40,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [960 Valid, 28805 Invalid, 5411 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [537 Valid, 4873 Invalid, 1 Unknown, 0 Unchecked, 24.1s Time] [2022-11-03 01:44:40,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3951 states. [2022-11-03 01:44:40,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3951 to 3135. [2022-11-03 01:44:40,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3135 states, 1837 states have (on average 1.280892759934676) internal successors, (2353), 1927 states have internal predecessors, (2353), 1082 states have call successors, (1082), 203 states have call predecessors, (1082), 204 states have return successors, (1114), 1057 states have call predecessors, (1114), 1080 states have call successors, (1114) [2022-11-03 01:44:40,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3135 states to 3135 states and 4549 transitions. [2022-11-03 01:44:40,822 INFO L78 Accepts]: Start accepts. Automaton has 3135 states and 4549 transitions. Word has length 122 [2022-11-03 01:44:40,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:44:40,823 INFO L495 AbstractCegarLoop]: Abstraction has 3135 states and 4549 transitions. [2022-11-03 01:44:40,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 5.2) internal successors, (52), 11 states have internal predecessors, (52), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2022-11-03 01:44:40,823 INFO L276 IsEmpty]: Start isEmpty. Operand 3135 states and 4549 transitions. [2022-11-03 01:44:40,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-03 01:44:40,825 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:44:40,825 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:44:40,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-03 01:44:41,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:44:41,035 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:44:41,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:44:41,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1780966744, now seen corresponding path program 1 times [2022-11-03 01:44:41,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:44:41,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290605639] [2022-11-03 01:44:41,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:44:41,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:44:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:44:41,553 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 01:44:41,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:44:41,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290605639] [2022-11-03 01:44:41,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290605639] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:44:41,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:44:41,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:44:41,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243276298] [2022-11-03 01:44:41,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:44:41,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:44:41,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:44:41,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:44:41,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:44:41,558 INFO L87 Difference]: Start difference. First operand 3135 states and 4549 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 01:44:46,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:44:47,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:44:48,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:44:48,859 INFO L93 Difference]: Finished difference Result 3135 states and 4549 transitions. [2022-11-03 01:44:48,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:44:48,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 114 [2022-11-03 01:44:48,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:44:48,873 INFO L225 Difference]: With dead ends: 3135 [2022-11-03 01:44:48,873 INFO L226 Difference]: Without dead ends: 3133 [2022-11-03 01:44:48,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:44:48,877 INFO L413 NwaCegarLoop]: 1945 mSDtfsCounter, 2209 mSDsluCounter, 2239 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2211 SdHoareTripleChecker+Valid, 3890 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:44:48,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2211 Valid, 3890 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-11-03 01:44:48,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3133 states. [2022-11-03 01:44:49,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3133 to 3133. [2022-11-03 01:44:49,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3133 states, 1836 states have (on average 1.2805010893246187) internal successors, (2351), 1925 states have internal predecessors, (2351), 1082 states have call successors, (1082), 203 states have call predecessors, (1082), 204 states have return successors, (1114), 1057 states have call predecessors, (1114), 1080 states have call successors, (1114) [2022-11-03 01:44:49,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 3133 states and 4547 transitions. [2022-11-03 01:44:49,560 INFO L78 Accepts]: Start accepts. Automaton has 3133 states and 4547 transitions. Word has length 114 [2022-11-03 01:44:49,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:44:49,561 INFO L495 AbstractCegarLoop]: Abstraction has 3133 states and 4547 transitions. [2022-11-03 01:44:49,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 01:44:49,562 INFO L276 IsEmpty]: Start isEmpty. Operand 3133 states and 4547 transitions. [2022-11-03 01:44:49,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-03 01:44:49,563 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:44:49,564 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:44:49,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-03 01:44:49,564 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:44:49,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:44:49,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1467882490, now seen corresponding path program 1 times [2022-11-03 01:44:49,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:44:49,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511910050] [2022-11-03 01:44:49,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:44:49,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:44:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:44:50,254 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 01:44:50,255 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:44:50,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511910050] [2022-11-03 01:44:50,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511910050] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:44:50,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:44:50,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:44:50,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791724736] [2022-11-03 01:44:50,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:44:50,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:44:50,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:44:50,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:44:50,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:44:50,257 INFO L87 Difference]: Start difference. First operand 3133 states and 4547 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 01:44:54,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:44:56,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:44:57,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:44:57,584 INFO L93 Difference]: Finished difference Result 3133 states and 4547 transitions. [2022-11-03 01:44:57,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:44:57,586 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 119 [2022-11-03 01:44:57,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:44:57,593 INFO L225 Difference]: With dead ends: 3133 [2022-11-03 01:44:57,593 INFO L226 Difference]: Without dead ends: 3131 [2022-11-03 01:44:57,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:44:57,595 INFO L413 NwaCegarLoop]: 1943 mSDtfsCounter, 2206 mSDsluCounter, 2237 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2208 SdHoareTripleChecker+Valid, 3886 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:44:57,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2208 Valid, 3886 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-11-03 01:44:57,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3131 states. [2022-11-03 01:44:58,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3131 to 3131. [2022-11-03 01:44:58,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3131 states, 1835 states have (on average 1.280108991825613) internal successors, (2349), 1923 states have internal predecessors, (2349), 1082 states have call successors, (1082), 203 states have call predecessors, (1082), 204 states have return successors, (1114), 1057 states have call predecessors, (1114), 1080 states have call successors, (1114) [2022-11-03 01:44:58,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3131 states to 3131 states and 4545 transitions. [2022-11-03 01:44:58,216 INFO L78 Accepts]: Start accepts. Automaton has 3131 states and 4545 transitions. Word has length 119 [2022-11-03 01:44:58,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:44:58,216 INFO L495 AbstractCegarLoop]: Abstraction has 3131 states and 4545 transitions. [2022-11-03 01:44:58,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 01:44:58,217 INFO L276 IsEmpty]: Start isEmpty. Operand 3131 states and 4545 transitions. [2022-11-03 01:44:58,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-03 01:44:58,218 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:44:58,218 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:44:58,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-03 01:44:58,219 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:44:58,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:44:58,220 INFO L85 PathProgramCache]: Analyzing trace with hash 986209723, now seen corresponding path program 1 times [2022-11-03 01:44:58,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:44:58,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844354714] [2022-11-03 01:44:58,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:44:58,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:44:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:44:58,563 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 01:44:58,563 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:44:58,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844354714] [2022-11-03 01:44:58,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844354714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:44:58,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:44:58,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:44:58,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769462185] [2022-11-03 01:44:58,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:44:58,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:44:58,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:44:58,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:44:58,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:44:58,566 INFO L87 Difference]: Start difference. First operand 3131 states and 4545 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 01:45:03,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:03,087 INFO L93 Difference]: Finished difference Result 3131 states and 4545 transitions. [2022-11-03 01:45:03,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:45:03,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 124 [2022-11-03 01:45:03,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:03,096 INFO L225 Difference]: With dead ends: 3131 [2022-11-03 01:45:03,096 INFO L226 Difference]: Without dead ends: 3129 [2022-11-03 01:45:03,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:45:03,098 INFO L413 NwaCegarLoop]: 1941 mSDtfsCounter, 2203 mSDsluCounter, 2235 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2205 SdHoareTripleChecker+Valid, 3882 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:03,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2205 Valid, 3882 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-03 01:45:03,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3129 states. [2022-11-03 01:45:03,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3129 to 3129. [2022-11-03 01:45:03,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3129 states, 1834 states have (on average 1.2797164667393675) internal successors, (2347), 1921 states have internal predecessors, (2347), 1082 states have call successors, (1082), 203 states have call predecessors, (1082), 204 states have return successors, (1114), 1057 states have call predecessors, (1114), 1080 states have call successors, (1114) [2022-11-03 01:45:03,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3129 states to 3129 states and 4543 transitions. [2022-11-03 01:45:03,671 INFO L78 Accepts]: Start accepts. Automaton has 3129 states and 4543 transitions. Word has length 124 [2022-11-03 01:45:03,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:03,672 INFO L495 AbstractCegarLoop]: Abstraction has 3129 states and 4543 transitions. [2022-11-03 01:45:03,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 01:45:03,672 INFO L276 IsEmpty]: Start isEmpty. Operand 3129 states and 4543 transitions. [2022-11-03 01:45:03,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-03 01:45:03,674 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:03,674 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:03,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-03 01:45:03,675 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:45:03,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:03,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1315404283, now seen corresponding path program 1 times [2022-11-03 01:45:03,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:45:03,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417905574] [2022-11-03 01:45:03,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:03,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:45:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:04,059 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 01:45:04,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:45:04,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417905574] [2022-11-03 01:45:04,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417905574] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:04,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:04,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:45:04,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468155062] [2022-11-03 01:45:04,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:04,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:45:04,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:45:04,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:45:04,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:45:04,062 INFO L87 Difference]: Start difference. First operand 3129 states and 4543 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-03 01:45:08,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:45:09,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:09,451 INFO L93 Difference]: Finished difference Result 3137 states and 4553 transitions. [2022-11-03 01:45:09,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:45:09,453 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 129 [2022-11-03 01:45:09,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:09,461 INFO L225 Difference]: With dead ends: 3137 [2022-11-03 01:45:09,461 INFO L226 Difference]: Without dead ends: 3135 [2022-11-03 01:45:09,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:45:09,463 INFO L413 NwaCegarLoop]: 1964 mSDtfsCounter, 2199 mSDsluCounter, 2357 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2203 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:09,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2203 Valid, 4012 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 605 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-11-03 01:45:09,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3135 states. [2022-11-03 01:45:09,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3135 to 3127. [2022-11-03 01:45:09,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3127 states, 1833 states have (on average 1.2793235133660665) internal successors, (2345), 1919 states have internal predecessors, (2345), 1082 states have call successors, (1082), 203 states have call predecessors, (1082), 204 states have return successors, (1114), 1057 states have call predecessors, (1114), 1080 states have call successors, (1114) [2022-11-03 01:45:09,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3127 states to 3127 states and 4541 transitions. [2022-11-03 01:45:09,890 INFO L78 Accepts]: Start accepts. Automaton has 3127 states and 4541 transitions. Word has length 129 [2022-11-03 01:45:09,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:09,891 INFO L495 AbstractCegarLoop]: Abstraction has 3127 states and 4541 transitions. [2022-11-03 01:45:09,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-03 01:45:09,891 INFO L276 IsEmpty]: Start isEmpty. Operand 3127 states and 4541 transitions. [2022-11-03 01:45:09,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-03 01:45:09,892 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:09,893 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:09,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-03 01:45:09,893 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:45:09,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:09,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1614327070, now seen corresponding path program 1 times [2022-11-03 01:45:09,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:45:09,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143688041] [2022-11-03 01:45:09,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:09,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:45:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:10,242 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 01:45:10,242 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:45:10,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143688041] [2022-11-03 01:45:10,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143688041] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:10,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:10,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:45:10,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606633749] [2022-11-03 01:45:10,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:10,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:45:10,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:45:10,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:45:10,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:45:10,245 INFO L87 Difference]: Start difference. First operand 3127 states and 4541 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 01:45:14,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:45:15,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:15,729 INFO L93 Difference]: Finished difference Result 3135 states and 4551 transitions. [2022-11-03 01:45:15,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:45:15,731 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 134 [2022-11-03 01:45:15,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:15,744 INFO L225 Difference]: With dead ends: 3135 [2022-11-03 01:45:15,744 INFO L226 Difference]: Without dead ends: 3133 [2022-11-03 01:45:15,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:45:15,748 INFO L413 NwaCegarLoop]: 1962 mSDtfsCounter, 2196 mSDsluCounter, 2355 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2200 SdHoareTripleChecker+Valid, 4008 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:15,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2200 Valid, 4008 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 605 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-11-03 01:45:15,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3133 states. [2022-11-03 01:45:16,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3133 to 3125. [2022-11-03 01:45:16,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3125 states, 1832 states have (on average 1.2789301310043668) internal successors, (2343), 1917 states have internal predecessors, (2343), 1082 states have call successors, (1082), 203 states have call predecessors, (1082), 204 states have return successors, (1114), 1057 states have call predecessors, (1114), 1080 states have call successors, (1114) [2022-11-03 01:45:16,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3125 states to 3125 states and 4539 transitions. [2022-11-03 01:45:16,247 INFO L78 Accepts]: Start accepts. Automaton has 3125 states and 4539 transitions. Word has length 134 [2022-11-03 01:45:16,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:16,247 INFO L495 AbstractCegarLoop]: Abstraction has 3125 states and 4539 transitions. [2022-11-03 01:45:16,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 01:45:16,247 INFO L276 IsEmpty]: Start isEmpty. Operand 3125 states and 4539 transitions. [2022-11-03 01:45:16,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-03 01:45:16,250 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:16,251 INFO L195 NwaCegarLoop]: trace histogram [8, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:16,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-03 01:45:16,251 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:45:16,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:16,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1779978733, now seen corresponding path program 1 times [2022-11-03 01:45:16,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:45:16,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162451239] [2022-11-03 01:45:16,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:16,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:45:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:17,176 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2022-11-03 01:45:17,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:45:17,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162451239] [2022-11-03 01:45:17,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162451239] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:45:17,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133105946] [2022-11-03 01:45:17,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:17,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:45:17,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:45:17,181 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:45:17,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 01:45:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:18,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 3358 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-03 01:45:18,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:18,544 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-11-03 01:45:18,544 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:18,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133105946] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:18,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 01:45:18,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2022-11-03 01:45:18,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596184493] [2022-11-03 01:45:18,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:18,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 01:45:18,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:45:18,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 01:45:18,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-11-03 01:45:18,547 INFO L87 Difference]: Start difference. First operand 3125 states and 4539 transitions. Second operand has 7 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 4 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 01:45:26,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:45:27,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:45:30,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:45:33,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:33,738 INFO L93 Difference]: Finished difference Result 4826 states and 7016 transitions. [2022-11-03 01:45:33,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:33,740 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 4 states have call predecessors, (24), 2 states have call successors, (24) Word has length 165 [2022-11-03 01:45:33,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:33,750 INFO L225 Difference]: With dead ends: 4826 [2022-11-03 01:45:33,751 INFO L226 Difference]: Without dead ends: 3143 [2022-11-03 01:45:33,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-11-03 01:45:33,759 INFO L413 NwaCegarLoop]: 1941 mSDtfsCounter, 3 mSDsluCounter, 11162 mSDsCounter, 0 mSdLazyCounter, 1791 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11634 SdHoareTripleChecker+Invalid, 1791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:33,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11634 Invalid, 1791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1791 Invalid, 0 Unknown, 0 Unchecked, 14.6s Time] [2022-11-03 01:45:33,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3143 states. [2022-11-03 01:45:34,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3143 to 3140. [2022-11-03 01:45:34,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3140 states, 1842 states have (on average 1.277415852334419) internal successors, (2353), 1928 states have internal predecessors, (2353), 1082 states have call successors, (1082), 203 states have call predecessors, (1082), 209 states have return successors, (1127), 1061 states have call predecessors, (1127), 1080 states have call successors, (1127) [2022-11-03 01:45:34,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 3140 states and 4562 transitions. [2022-11-03 01:45:34,136 INFO L78 Accepts]: Start accepts. Automaton has 3140 states and 4562 transitions. Word has length 165 [2022-11-03 01:45:34,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:34,137 INFO L495 AbstractCegarLoop]: Abstraction has 3140 states and 4562 transitions. [2022-11-03 01:45:34,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 4 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 01:45:34,137 INFO L276 IsEmpty]: Start isEmpty. Operand 3140 states and 4562 transitions. [2022-11-03 01:45:34,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-03 01:45:34,139 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:34,140 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:34,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:34,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-11-03 01:45:34,365 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:45:34,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:34,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1317071970, now seen corresponding path program 1 times [2022-11-03 01:45:34,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:45:34,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219852651] [2022-11-03 01:45:34,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:34,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:45:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:34,731 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 01:45:34,731 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:45:34,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219852651] [2022-11-03 01:45:34,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219852651] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:34,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:34,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:45:34,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996261500] [2022-11-03 01:45:34,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:34,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:45:34,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:45:34,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:45:34,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:45:34,733 INFO L87 Difference]: Start difference. First operand 3140 states and 4562 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-03 01:45:38,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:45:40,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:40,045 INFO L93 Difference]: Finished difference Result 3140 states and 4562 transitions. [2022-11-03 01:45:40,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:45:40,047 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 139 [2022-11-03 01:45:40,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:40,055 INFO L225 Difference]: With dead ends: 3140 [2022-11-03 01:45:40,055 INFO L226 Difference]: Without dead ends: 3138 [2022-11-03 01:45:40,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:45:40,056 INFO L413 NwaCegarLoop]: 1935 mSDtfsCounter, 2194 mSDsluCounter, 2229 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2196 SdHoareTripleChecker+Valid, 3870 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:40,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2196 Valid, 3870 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-11-03 01:45:40,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3138 states. [2022-11-03 01:45:40,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3138 to 3138. [2022-11-03 01:45:40,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3138 states, 1841 states have (on average 1.2770233568712657) internal successors, (2351), 1926 states have internal predecessors, (2351), 1082 states have call successors, (1082), 203 states have call predecessors, (1082), 209 states have return successors, (1127), 1061 states have call predecessors, (1127), 1080 states have call successors, (1127) [2022-11-03 01:45:40,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3138 states to 3138 states and 4560 transitions. [2022-11-03 01:45:40,474 INFO L78 Accepts]: Start accepts. Automaton has 3138 states and 4560 transitions. Word has length 139 [2022-11-03 01:45:40,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:40,474 INFO L495 AbstractCegarLoop]: Abstraction has 3138 states and 4560 transitions. [2022-11-03 01:45:40,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-03 01:45:40,475 INFO L276 IsEmpty]: Start isEmpty. Operand 3138 states and 4560 transitions. [2022-11-03 01:45:40,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-03 01:45:40,476 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:40,476 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:40,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-03 01:45:40,477 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:45:40,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:40,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1584476411, now seen corresponding path program 1 times [2022-11-03 01:45:40,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:45:40,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195013185] [2022-11-03 01:45:40,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:40,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:45:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:40,827 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 01:45:40,827 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:45:40,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195013185] [2022-11-03 01:45:40,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195013185] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:40,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:40,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:45:40,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321363811] [2022-11-03 01:45:40,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:40,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:45:40,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:45:40,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:45:40,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:45:40,832 INFO L87 Difference]: Start difference. First operand 3138 states and 4560 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-03 01:45:44,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:45:46,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:46,547 INFO L93 Difference]: Finished difference Result 3138 states and 4560 transitions. [2022-11-03 01:45:46,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:45:46,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 144 [2022-11-03 01:45:46,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:46,556 INFO L225 Difference]: With dead ends: 3138 [2022-11-03 01:45:46,556 INFO L226 Difference]: Without dead ends: 2955 [2022-11-03 01:45:46,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:45:46,558 INFO L413 NwaCegarLoop]: 1934 mSDtfsCounter, 2191 mSDsluCounter, 2229 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2191 SdHoareTripleChecker+Valid, 3868 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:46,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2191 Valid, 3868 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-11-03 01:45:46,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2955 states. [2022-11-03 01:45:46,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2955 to 2955. [2022-11-03 01:45:46,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2955 states, 1749 states have (on average 1.2858776443682105) internal successors, (2249), 1827 states have internal predecessors, (2249), 1013 states have call successors, (1013), 182 states have call predecessors, (1013), 188 states have return successors, (1058), 996 states have call predecessors, (1058), 1011 states have call successors, (1058) [2022-11-03 01:45:46,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2955 states to 2955 states and 4320 transitions. [2022-11-03 01:45:46,941 INFO L78 Accepts]: Start accepts. Automaton has 2955 states and 4320 transitions. Word has length 144 [2022-11-03 01:45:46,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:46,941 INFO L495 AbstractCegarLoop]: Abstraction has 2955 states and 4320 transitions. [2022-11-03 01:45:46,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-03 01:45:46,941 INFO L276 IsEmpty]: Start isEmpty. Operand 2955 states and 4320 transitions. [2022-11-03 01:45:46,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 01:45:46,943 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:46,943 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 8, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:46,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-03 01:45:46,943 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 01:45:46,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:46,944 INFO L85 PathProgramCache]: Analyzing trace with hash -837321791, now seen corresponding path program 1 times [2022-11-03 01:45:46,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:45:46,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056246496] [2022-11-03 01:45:46,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:46,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:45:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:47,869 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2022-11-03 01:45:47,869 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:45:47,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056246496] [2022-11-03 01:45:47,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056246496] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:45:47,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547599208] [2022-11-03 01:45:47,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:47,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:45:47,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:45:47,871 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:45:47,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1dd983-24b7-4728-8901-515281324fe1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 01:45:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:49,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 3456 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-03 01:45:49,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:49,127 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 147 proven. 4 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-03 01:45:49,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:45:49,533 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2022-11-03 01:45:49,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547599208] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:45:49,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [847539868] [2022-11-03 01:45:49,557 INFO L159 IcfgInterpreter]: Started Sifa with 91 locations of interest [2022-11-03 01:45:49,557 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 01:45:49,561 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 01:45:49,567 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 01:45:49,567 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 01:47:42,641 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 01:47:42,647 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 01:48:05,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,722 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-03 01:48:05,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:05,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:06,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:06,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:06,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:06,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:06,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:06,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:06,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:06,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:06,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:06,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:06,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:06,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:06,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:06,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:06,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:06,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:06,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:06,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:06,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:06,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:06,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:06,060 INFO L244 Elim1Store]: Index analysis took 165 ms [2022-11-03 01:48:06,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 01:48:06,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:06,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:06,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:06,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:06,985 INFO L356 Elim1Store]: treesize reduction 480, result has 40.8 percent of original size [2022-11-03 01:48:06,986 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 109 select indices, 109 select index equivalence classes, 703 disjoint index pairs (out of 5886 index pairs), introduced 109 new quantified variables, introduced 30 case distinctions, treesize of input 869 treesize of output 1301 [2022-11-03 01:48:07,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,834 INFO L244 Elim1Store]: Index analysis took 198 ms [2022-11-03 01:48:07,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:07,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 01:48:07,944 INFO L356 Elim1Store]: treesize reduction 44, result has 37.1 percent of original size [2022-11-03 01:48:07,946 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 92 select indices, 92 select index equivalence classes, 1489 disjoint index pairs (out of 4186 index pairs), introduced 92 new quantified variables, introduced 3 case distinctions, treesize of input 834 treesize of output 1110 [2022-11-03 01:48:08,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,372 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-03 01:48:08,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,817 INFO L244 Elim1Store]: Index analysis took 192 ms [2022-11-03 01:48:08,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:48:08,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 01:48:08,947 INFO L356 Elim1Store]: treesize reduction 36, result has 48.6 percent of original size [2022-11-03 01:48:08,949 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 92 select indices, 92 select index equivalence classes, 1489 disjoint index pairs (out of 4186 index pairs), introduced 92 new quantified variables, introduced 3 case distinctions, treesize of input 834 treesize of output 1118 [2022-11-03 01:48:09,615 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 34