./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--net--can--janz-ican3.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/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 a63a35a997d4cef3a03c29c7166a2a1f9c94c58040c56bbf24b94b5923949bbd --- 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 02:47:26,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:47:26,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:47:26,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:47:26,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:47:26,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:47:26,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:47:26,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:47:26,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:47:26,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:47:26,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:47:26,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:47:26,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:47:26,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:47:26,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:47:26,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:47:26,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:47:26,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:47:26,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:47:27,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:47:27,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:47:27,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:47:27,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:47:27,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:47:27,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:47:27,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:47:27,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:47:27,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:47:27,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:47:27,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:47:27,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:47:27,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:47:27,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:47:27,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:47:27,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:47:27,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:47:27,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:47:27,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:47:27,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:47:27,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:47:27,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:47:27,032 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:47:27,069 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:47:27,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:47:27,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:47:27,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:47:27,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:47:27,074 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:47:27,074 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:47:27,075 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:47:27,075 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:47:27,075 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:47:27,076 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:47:27,076 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:47:27,077 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:47:27,077 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:47:27,077 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:47:27,077 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:47:27,078 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:47:27,078 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:47:27,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:47:27,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:47:27,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:47:27,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:47:27,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:47:27,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:47:27,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:47:27,080 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:47:27,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:47:27,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:47:27,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:47:27,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:47:27,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:47:27,095 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:47:27,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:47:27,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:47:27,096 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:47:27,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:47:27,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:47:27,096 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:47:27,097 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a63a35a997d4cef3a03c29c7166a2a1f9c94c58040c56bbf24b94b5923949bbd [2022-11-03 02:47:27,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:47:27,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:47:27,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:47:27,427 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:47:27,428 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:47:27,430 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i [2022-11-03 02:47:27,508 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/data/927943d24/ebafa230f16144c1904b0863e4765db9/FLAG1b0787493 [2022-11-03 02:47:28,439 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:47:28,440 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i [2022-11-03 02:47:28,497 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/data/927943d24/ebafa230f16144c1904b0863e4765db9/FLAG1b0787493 [2022-11-03 02:47:28,818 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/data/927943d24/ebafa230f16144c1904b0863e4765db9 [2022-11-03 02:47:28,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:47:28,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:47:28,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:47:28,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:47:28,828 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:47:28,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:47:28" (1/1) ... [2022-11-03 02:47:28,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e21ba13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:28, skipping insertion in model container [2022-11-03 02:47:28,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:47:28" (1/1) ... [2022-11-03 02:47:28,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:47:28,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:47:32,955 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[397439,397452] [2022-11-03 02:47:32,959 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[397584,397597] [2022-11-03 02:47:32,960 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[397730,397743] [2022-11-03 02:47:32,960 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[397895,397908] [2022-11-03 02:47:32,961 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398053,398066] [2022-11-03 02:47:32,961 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398211,398224] [2022-11-03 02:47:32,963 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398369,398382] [2022-11-03 02:47:32,964 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398529,398542] [2022-11-03 02:47:32,965 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398688,398701] [2022-11-03 02:47:32,965 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398827,398840] [2022-11-03 02:47:32,967 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398969,398982] [2022-11-03 02:47:32,967 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[399118,399131] [2022-11-03 02:47:32,968 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[399257,399270] [2022-11-03 02:47:32,968 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[399412,399425] [2022-11-03 02:47:32,969 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[399572,399585] [2022-11-03 02:47:32,970 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[399723,399736] [2022-11-03 02:47:32,970 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[399874,399887] [2022-11-03 02:47:32,971 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400026,400039] [2022-11-03 02:47:32,972 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400175,400188] [2022-11-03 02:47:32,975 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400323,400336] [2022-11-03 02:47:32,975 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400480,400493] [2022-11-03 02:47:32,976 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400629,400642] [2022-11-03 02:47:32,976 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400785,400798] [2022-11-03 02:47:32,977 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400938,400951] [2022-11-03 02:47:32,978 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401084,401097] [2022-11-03 02:47:32,978 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401227,401240] [2022-11-03 02:47:32,979 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401379,401392] [2022-11-03 02:47:32,980 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401525,401538] [2022-11-03 02:47:32,981 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401670,401683] [2022-11-03 02:47:32,982 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401824,401837] [2022-11-03 02:47:32,983 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401975,401988] [2022-11-03 02:47:32,984 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[402130,402143] [2022-11-03 02:47:32,984 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[402282,402295] [2022-11-03 02:47:32,985 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[402437,402450] [2022-11-03 02:47:32,985 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[402601,402614] [2022-11-03 02:47:32,986 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[402757,402770] [2022-11-03 02:47:32,986 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[402921,402934] [2022-11-03 02:47:32,986 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[403063,403076] [2022-11-03 02:47:32,987 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[403221,403234] [2022-11-03 02:47:32,987 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[403388,403401] [2022-11-03 02:47:32,988 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[403547,403560] [2022-11-03 02:47:32,988 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[403706,403719] [2022-11-03 02:47:32,988 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[403855,403868] [2022-11-03 02:47:32,989 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404002,404015] [2022-11-03 02:47:32,989 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404141,404154] [2022-11-03 02:47:32,990 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404304,404317] [2022-11-03 02:47:32,990 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404470,404483] [2022-11-03 02:47:32,992 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404634,404647] [2022-11-03 02:47:32,992 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404799,404812] [2022-11-03 02:47:32,993 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404964,404977] [2022-11-03 02:47:32,993 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[405130,405143] [2022-11-03 02:47:32,994 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[405295,405308] [2022-11-03 02:47:32,994 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[405462,405475] [2022-11-03 02:47:32,994 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[405622,405635] [2022-11-03 02:47:32,995 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[405784,405797] [2022-11-03 02:47:32,995 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[405943,405956] [2022-11-03 02:47:32,996 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406089,406102] [2022-11-03 02:47:32,996 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406232,406245] [2022-11-03 02:47:32,997 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406376,406389] [2022-11-03 02:47:32,997 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406519,406532] [2022-11-03 02:47:32,998 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406663,406676] [2022-11-03 02:47:32,999 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406804,406817] [2022-11-03 02:47:32,999 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406942,406955] [2022-11-03 02:47:33,000 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[407100,407113] [2022-11-03 02:47:33,000 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[407259,407272] [2022-11-03 02:47:33,001 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[407415,407428] [2022-11-03 02:47:33,001 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[407564,407577] [2022-11-03 02:47:33,003 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[407716,407729] [2022-11-03 02:47:33,003 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[407867,407880] [2022-11-03 02:47:33,004 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408016,408029] [2022-11-03 02:47:33,004 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408168,408181] [2022-11-03 02:47:33,005 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408316,408329] [2022-11-03 02:47:33,006 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408469,408482] [2022-11-03 02:47:33,006 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408620,408633] [2022-11-03 02:47:33,007 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408770,408783] [2022-11-03 02:47:33,007 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408917,408930] [2022-11-03 02:47:33,008 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[409068,409081] [2022-11-03 02:47:33,008 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[409219,409232] [2022-11-03 02:47:33,008 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[409367,409380] [2022-11-03 02:47:33,009 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[409533,409546] [2022-11-03 02:47:33,009 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[409702,409715] [2022-11-03 02:47:33,010 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[409869,409882] [2022-11-03 02:47:33,010 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[410037,410050] [2022-11-03 02:47:33,011 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[410187,410200] [2022-11-03 02:47:33,012 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[410334,410347] [2022-11-03 02:47:33,013 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[410495,410508] [2022-11-03 02:47:33,013 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[410665,410678] [2022-11-03 02:47:33,014 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[410827,410840] [2022-11-03 02:47:33,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:47:33,055 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:47:33,586 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[397439,397452] [2022-11-03 02:47:33,587 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[397584,397597] [2022-11-03 02:47:33,588 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[397730,397743] [2022-11-03 02:47:33,589 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[397895,397908] [2022-11-03 02:47:33,593 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398053,398066] [2022-11-03 02:47:33,594 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398211,398224] [2022-11-03 02:47:33,595 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398369,398382] [2022-11-03 02:47:33,595 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398529,398542] [2022-11-03 02:47:33,596 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398688,398701] [2022-11-03 02:47:33,596 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398827,398840] [2022-11-03 02:47:33,597 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398969,398982] [2022-11-03 02:47:33,598 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[399118,399131] [2022-11-03 02:47:33,598 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[399257,399270] [2022-11-03 02:47:33,599 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[399412,399425] [2022-11-03 02:47:33,599 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[399572,399585] [2022-11-03 02:47:33,600 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[399723,399736] [2022-11-03 02:47:33,600 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[399874,399887] [2022-11-03 02:47:33,600 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400026,400039] [2022-11-03 02:47:33,602 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400175,400188] [2022-11-03 02:47:33,603 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400323,400336] [2022-11-03 02:47:33,603 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400480,400493] [2022-11-03 02:47:33,604 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400629,400642] [2022-11-03 02:47:33,604 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400785,400798] [2022-11-03 02:47:33,605 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400938,400951] [2022-11-03 02:47:33,606 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401084,401097] [2022-11-03 02:47:33,606 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401227,401240] [2022-11-03 02:47:33,607 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401379,401392] [2022-11-03 02:47:33,608 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401525,401538] [2022-11-03 02:47:33,608 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401670,401683] [2022-11-03 02:47:33,608 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401824,401837] [2022-11-03 02:47:33,609 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401975,401988] [2022-11-03 02:47:33,609 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[402130,402143] [2022-11-03 02:47:33,610 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[402282,402295] [2022-11-03 02:47:33,611 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[402437,402450] [2022-11-03 02:47:33,611 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[402601,402614] [2022-11-03 02:47:33,612 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[402757,402770] [2022-11-03 02:47:33,612 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[402921,402934] [2022-11-03 02:47:33,613 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[403063,403076] [2022-11-03 02:47:33,613 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[403221,403234] [2022-11-03 02:47:33,613 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[403388,403401] [2022-11-03 02:47:33,615 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[403547,403560] [2022-11-03 02:47:33,615 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[403706,403719] [2022-11-03 02:47:33,616 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[403855,403868] [2022-11-03 02:47:33,616 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404002,404015] [2022-11-03 02:47:33,617 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404141,404154] [2022-11-03 02:47:33,617 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404304,404317] [2022-11-03 02:47:33,617 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404470,404483] [2022-11-03 02:47:33,618 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404634,404647] [2022-11-03 02:47:33,618 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404799,404812] [2022-11-03 02:47:33,619 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404964,404977] [2022-11-03 02:47:33,619 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[405130,405143] [2022-11-03 02:47:33,619 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[405295,405308] [2022-11-03 02:47:33,620 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[405462,405475] [2022-11-03 02:47:33,620 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[405622,405635] [2022-11-03 02:47:33,621 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[405784,405797] [2022-11-03 02:47:33,622 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[405943,405956] [2022-11-03 02:47:33,625 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406089,406102] [2022-11-03 02:47:33,627 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406232,406245] [2022-11-03 02:47:33,628 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406376,406389] [2022-11-03 02:47:33,628 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406519,406532] [2022-11-03 02:47:33,629 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406663,406676] [2022-11-03 02:47:33,630 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406804,406817] [2022-11-03 02:47:33,631 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406942,406955] [2022-11-03 02:47:33,631 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[407100,407113] [2022-11-03 02:47:33,632 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[407259,407272] [2022-11-03 02:47:33,639 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[407415,407428] [2022-11-03 02:47:33,639 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[407564,407577] [2022-11-03 02:47:33,643 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[407716,407729] [2022-11-03 02:47:33,645 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[407867,407880] [2022-11-03 02:47:33,646 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408016,408029] [2022-11-03 02:47:33,647 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408168,408181] [2022-11-03 02:47:33,647 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408316,408329] [2022-11-03 02:47:33,647 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408469,408482] [2022-11-03 02:47:33,648 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408620,408633] [2022-11-03 02:47:33,648 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408770,408783] [2022-11-03 02:47:33,649 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408917,408930] [2022-11-03 02:47:33,649 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[409068,409081] [2022-11-03 02:47:33,650 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[409219,409232] [2022-11-03 02:47:33,651 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[409367,409380] [2022-11-03 02:47:33,652 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[409533,409546] [2022-11-03 02:47:33,653 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[409702,409715] [2022-11-03 02:47:33,654 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[409869,409882] [2022-11-03 02:47:33,655 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[410037,410050] [2022-11-03 02:47:33,655 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[410187,410200] [2022-11-03 02:47:33,656 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[410334,410347] [2022-11-03 02:47:33,656 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[410495,410508] [2022-11-03 02:47:33,661 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[410665,410678] [2022-11-03 02:47:33,661 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_7d33837c-3e81-49a5-bd4b-cee9f809c80b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[410827,410840] [2022-11-03 02:47:33,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:47:33,956 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:47:33,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:33 WrapperNode [2022-11-03 02:47:33,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:47:33,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:47:33,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:47:33,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:47:33,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:33" (1/1) ... [2022-11-03 02:47:34,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:33" (1/1) ... [2022-11-03 02:47:34,346 INFO L138 Inliner]: procedures = 641, calls = 2560, calls flagged for inlining = 300, calls inlined = 195, statements flattened = 3283 [2022-11-03 02:47:34,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:47:34,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:47:34,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:47:34,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:47:34,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:33" (1/1) ... [2022-11-03 02:47:34,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:33" (1/1) ... [2022-11-03 02:47:34,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:33" (1/1) ... [2022-11-03 02:47:34,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:33" (1/1) ... [2022-11-03 02:47:34,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:33" (1/1) ... [2022-11-03 02:47:34,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:33" (1/1) ... [2022-11-03 02:47:34,556 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:33" (1/1) ... [2022-11-03 02:47:34,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:33" (1/1) ... [2022-11-03 02:47:34,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:47:34,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:47:34,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:47:34,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:47:34,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:33" (1/1) ... [2022-11-03 02:47:34,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:47:34,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:47:34,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:47:34,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:47:34,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 02:47:34,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 02:47:34,674 INFO L130 BoogieDeclarations]: Found specification of procedure ican3_open [2022-11-03 02:47:34,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ican3_open [2022-11-03 02:47:34,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:47:34,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:47:34,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 02:47:34,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 02:47:34,675 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 02:47:34,675 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 02:47:34,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 02:47:34,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 02:47:34,675 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-03 02:47:34,675 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-03 02:47:34,676 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 02:47:34,676 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 02:47:34,676 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-11-03 02:47:34,676 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-11-03 02:47:34,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-03 02:47:34,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-03 02:47:34,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 02:47:34,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 02:47:34,677 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 02:47:34,677 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 02:47:34,677 INFO L130 BoogieDeclarations]: Found specification of procedure ican3_reset_module [2022-11-03 02:47:34,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ican3_reset_module [2022-11-03 02:47:34,677 INFO L130 BoogieDeclarations]: Found specification of procedure ican3_set_bus_state [2022-11-03 02:47:34,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ican3_set_bus_state [2022-11-03 02:47:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 02:47:34,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 02:47:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 02:47:34,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 02:47:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-03 02:47:34,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-03 02:47:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-11-03 02:47:34,678 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-11-03 02:47:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:47:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure ican3_set_buserror [2022-11-03 02:47:34,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ican3_set_buserror [2022-11-03 02:47:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-03 02:47:34,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-03 02:47:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 02:47:34,679 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 02:47:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:47:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure ican3_remove [2022-11-03 02:47:34,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ican3_remove [2022-11-03 02:47:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 02:47:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 02:47:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:47:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-03 02:47:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-03 02:47:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 02:47:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 02:47:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 02:47:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 02:47:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:47:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 02:47:34,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 02:47:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:47:34,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:47:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 02:47:34,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 02:47:34,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 02:47:34,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 02:47:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure ican3_txok [2022-11-03 02:47:34,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ican3_txok [2022-11-03 02:47:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure ican3_set_termination [2022-11-03 02:47:34,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ican3_set_termination [2022-11-03 02:47:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure ican3_send_msg [2022-11-03 02:47:34,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ican3_send_msg [2022-11-03 02:47:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure ican3_set_page [2022-11-03 02:47:34,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ican3_set_page [2022-11-03 02:47:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 02:47:34,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 02:47:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 02:47:34,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 02:47:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:47:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure ican3_send_inquiry [2022-11-03 02:47:34,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ican3_send_inquiry [2022-11-03 02:47:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:47:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 02:47:34,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 02:47:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:47:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:47:34,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:47:34,692 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:47:34,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:47:34,692 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-11-03 02:47:34,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-11-03 02:47:34,692 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-03 02:47:34,692 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-03 02:47:34,693 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:47:34,693 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:47:34,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 02:47:34,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 02:47:34,693 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2022-11-03 02:47:34,693 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2022-11-03 02:47:34,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:47:34,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:47:34,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:47:34,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:47:34,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:47:34,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:47:34,694 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-11-03 02:47:34,694 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-11-03 02:47:34,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 02:47:34,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 02:47:34,695 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-03 02:47:34,695 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-03 02:47:34,695 INFO L130 BoogieDeclarations]: Found specification of procedure ican3_stop [2022-11-03 02:47:34,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ican3_stop [2022-11-03 02:47:34,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:47:34,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:47:34,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-03 02:47:34,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-03 02:47:34,696 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 02:47:34,696 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 02:47:34,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_127 [2022-11-03 02:47:34,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_127 [2022-11-03 02:47:34,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-03 02:47:34,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-03 02:47:34,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 02:47:34,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 02:47:34,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:47:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 02:47:34,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 02:47:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:47:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-03 02:47:34,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-03 02:47:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure ican3_probe [2022-11-03 02:47:34,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ican3_probe [2022-11-03 02:47:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:47:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-03 02:47:34,699 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-03 02:47:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2022-11-03 02:47:34,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2022-11-03 02:47:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 02:47:34,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 02:47:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 02:47:34,700 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 02:47:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_ican3_dev [2022-11-03 02:47:34,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_ican3_dev [2022-11-03 02:47:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 02:47:34,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 02:47:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2022-11-03 02:47:34,700 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2022-11-03 02:47:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-03 02:47:34,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-03 02:47:34,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 02:47:34,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 02:47:34,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 02:47:34,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 02:47:34,701 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-03 02:47:34,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-03 02:47:34,701 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 02:47:34,702 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 02:47:34,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 02:47:34,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 02:47:34,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:47:34,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 02:47:34,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 02:47:34,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:47:34,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:47:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 02:47:34,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 02:47:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 02:47:34,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 02:47:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 02:47:34,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 02:47:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:47:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-11-03 02:47:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-11-03 02:47:35,463 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:47:35,478 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:47:35,671 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:47:38,916 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:47:39,628 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:47:39,628 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:47:39,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:47:39 BoogieIcfgContainer [2022-11-03 02:47:39,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:47:39,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:47:39,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:47:39,640 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:47:39,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:47:28" (1/3) ... [2022-11-03 02:47:39,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19175e9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:47:39, skipping insertion in model container [2022-11-03 02:47:39,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:33" (2/3) ... [2022-11-03 02:47:39,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19175e9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:47:39, skipping insertion in model container [2022-11-03 02:47:39,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:47:39" (3/3) ... [2022-11-03 02:47:39,643 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i [2022-11-03 02:47:39,664 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:47:39,664 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2022-11-03 02:47:39,769 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:47:39,777 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;@569b1ddc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:47:39,777 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2022-11-03 02:47:39,787 INFO L276 IsEmpty]: Start isEmpty. Operand has 970 states, 555 states have (on average 1.3063063063063063) internal successors, (725), 602 states have internal predecessors, (725), 308 states have call successors, (308), 78 states have call predecessors, (308), 77 states have return successors, (302), 302 states have call predecessors, (302), 302 states have call successors, (302) [2022-11-03 02:47:39,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-03 02:47:39,805 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:47:39,805 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 02:47:39,806 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:47:39,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:47:39,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1598748876, now seen corresponding path program 1 times [2022-11-03 02:47:39,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:47:39,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808031694] [2022-11-03 02:47:39,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:39,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:47:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:40,633 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 02:47:40,633 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:47:40,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808031694] [2022-11-03 02:47:40,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808031694] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:47:40,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:47:40,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:47:40,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480227296] [2022-11-03 02:47:40,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:47:40,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:47:40,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:47:40,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:47:40,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:47:40,675 INFO L87 Difference]: Start difference. First operand has 970 states, 555 states have (on average 1.3063063063063063) internal successors, (725), 602 states have internal predecessors, (725), 308 states have call successors, (308), 78 states have call predecessors, (308), 77 states have return successors, (302), 302 states have call predecessors, (302), 302 states have call successors, (302) 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 02:47:42,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:44,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:46,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:48,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:49,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:51,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:47:51,918 INFO L93 Difference]: Finished difference Result 2586 states and 3738 transitions. [2022-11-03 02:47:51,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:47:51,925 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 02:47:51,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:47:51,955 INFO L225 Difference]: With dead ends: 2586 [2022-11-03 02:47:51,955 INFO L226 Difference]: Without dead ends: 1611 [2022-11-03 02:47:51,974 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 02:47:51,977 INFO L413 NwaCegarLoop]: 1330 mSDtfsCounter, 856 mSDsluCounter, 2817 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 3784 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:47:51,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [858 Valid, 3784 Invalid, 563 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 560 Invalid, 2 Unknown, 0 Unchecked, 10.9s Time] [2022-11-03 02:47:51,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2022-11-03 02:47:52,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1439. [2022-11-03 02:47:52,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1439 states, 832 states have (on average 1.2451923076923077) internal successors, (1036), 885 states have internal predecessors, (1036), 453 states have call successors, (453), 128 states have call predecessors, (453), 125 states have return successors, (475), 444 states have call predecessors, (475), 451 states have call successors, (475) [2022-11-03 02:47:52,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1439 states and 1964 transitions. [2022-11-03 02:47:52,168 INFO L78 Accepts]: Start accepts. Automaton has 1439 states and 1964 transitions. Word has length 47 [2022-11-03 02:47:52,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:47:52,171 INFO L495 AbstractCegarLoop]: Abstraction has 1439 states and 1964 transitions. [2022-11-03 02:47:52,172 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 02:47:52,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 1964 transitions. [2022-11-03 02:47:52,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-03 02:47:52,176 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:47:52,176 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 02:47:52,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:47:52,177 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:47:52,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:47:52,177 INFO L85 PathProgramCache]: Analyzing trace with hash -44725287, now seen corresponding path program 1 times [2022-11-03 02:47:52,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:47:52,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697604713] [2022-11-03 02:47:52,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:52,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:47:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:52,554 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 02:47:52,555 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:47:52,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697604713] [2022-11-03 02:47:52,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697604713] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:47:52,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:47:52,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:47:52,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326528352] [2022-11-03 02:47:52,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:47:52,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:47:52,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:47:52,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:47:52,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:47:52,559 INFO L87 Difference]: Start difference. First operand 1439 states and 1964 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 02:47:54,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:56,188 WARN L539 Checker$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 02:47:58,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:47:58,340 INFO L93 Difference]: Finished difference Result 1657 states and 2213 transitions. [2022-11-03 02:47:58,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:47:58,346 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 02:47:58,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:47:58,360 INFO L225 Difference]: With dead ends: 1657 [2022-11-03 02:47:58,362 INFO L226 Difference]: Without dead ends: 1655 [2022-11-03 02:47:58,364 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 02:47:58,365 INFO L413 NwaCegarLoop]: 1175 mSDtfsCounter, 828 mSDsluCounter, 2017 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 2918 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:47:58,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [832 Valid, 2918 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 461 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2022-11-03 02:47:58,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1655 states. [2022-11-03 02:47:58,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1655 to 1646. [2022-11-03 02:47:58,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1646 states, 945 states have (on average 1.2317460317460318) internal successors, (1164), 998 states have internal predecessors, (1164), 508 states have call successors, (508), 167 states have call predecessors, (508), 165 states have return successors, (532), 499 states have call predecessors, (532), 506 states have call successors, (532) [2022-11-03 02:47:58,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2204 transitions. [2022-11-03 02:47:58,529 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2204 transitions. Word has length 52 [2022-11-03 02:47:58,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:47:58,530 INFO L495 AbstractCegarLoop]: Abstraction has 1646 states and 2204 transitions. [2022-11-03 02:47:58,530 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 02:47:58,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2204 transitions. [2022-11-03 02:47:58,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-03 02:47:58,539 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:47:58,540 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 02:47:58,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:47:58,540 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:47:58,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:47:58,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1146361466, now seen corresponding path program 1 times [2022-11-03 02:47:58,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:47:58,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571684060] [2022-11-03 02:47:58,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:58,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:47:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:58,922 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 02:47:58,923 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:47:58,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571684060] [2022-11-03 02:47:58,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571684060] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:47:58,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:47:58,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:47:58,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311635332] [2022-11-03 02:47:58,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:47:58,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:47:58,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:47:58,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:47:58,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:47:58,925 INFO L87 Difference]: Start difference. First operand 1646 states and 2204 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 02:48:01,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:04,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:04,065 INFO L93 Difference]: Finished difference Result 1655 states and 2211 transitions. [2022-11-03 02:48:04,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:48:04,070 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 02:48:04,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:04,079 INFO L225 Difference]: With dead ends: 1655 [2022-11-03 02:48:04,079 INFO L226 Difference]: Without dead ends: 1653 [2022-11-03 02:48:04,081 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 02:48:04,082 INFO L413 NwaCegarLoop]: 1173 mSDtfsCounter, 825 mSDsluCounter, 2015 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 2914 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:04,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [829 Valid, 2914 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 461 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2022-11-03 02:48:04,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2022-11-03 02:48:04,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1644. [2022-11-03 02:48:04,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1644 states, 944 states have (on average 1.2309322033898304) internal successors, (1162), 996 states have internal predecessors, (1162), 508 states have call successors, (508), 167 states have call predecessors, (508), 165 states have return successors, (532), 499 states have call predecessors, (532), 506 states have call successors, (532) [2022-11-03 02:48:04,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1644 states to 1644 states and 2202 transitions. [2022-11-03 02:48:04,178 INFO L78 Accepts]: Start accepts. Automaton has 1644 states and 2202 transitions. Word has length 57 [2022-11-03 02:48:04,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:04,179 INFO L495 AbstractCegarLoop]: Abstraction has 1644 states and 2202 transitions. [2022-11-03 02:48:04,179 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 02:48:04,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1644 states and 2202 transitions. [2022-11-03 02:48:04,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-03 02:48:04,180 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:04,180 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 02:48:04,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:48:04,181 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:48:04,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:04,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1649623212, now seen corresponding path program 1 times [2022-11-03 02:48:04,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:48:04,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458024278] [2022-11-03 02:48:04,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:04,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:48:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:04,500 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 02:48:04,500 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:48:04,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458024278] [2022-11-03 02:48:04,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458024278] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:04,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:48:04,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:48:04,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836075520] [2022-11-03 02:48:04,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:04,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:48:04,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:48:04,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:48:04,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:48:04,503 INFO L87 Difference]: Start difference. First operand 1644 states and 2202 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 02:48:06,664 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 02:48:09,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:09,590 INFO L93 Difference]: Finished difference Result 1653 states and 2209 transitions. [2022-11-03 02:48:09,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:48:09,596 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 02:48:09,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:09,604 INFO L225 Difference]: With dead ends: 1653 [2022-11-03 02:48:09,605 INFO L226 Difference]: Without dead ends: 1651 [2022-11-03 02:48:09,606 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 02:48:09,607 INFO L413 NwaCegarLoop]: 1171 mSDtfsCounter, 822 mSDsluCounter, 2013 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 826 SdHoareTripleChecker+Valid, 2910 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:09,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [826 Valid, 2910 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 461 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-11-03 02:48:09,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1651 states. [2022-11-03 02:48:09,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1651 to 1642. [2022-11-03 02:48:09,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1642 states, 943 states have (on average 1.2301166489925768) internal successors, (1160), 994 states have internal predecessors, (1160), 508 states have call successors, (508), 167 states have call predecessors, (508), 165 states have return successors, (532), 499 states have call predecessors, (532), 506 states have call successors, (532) [2022-11-03 02:48:09,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1642 states and 2200 transitions. [2022-11-03 02:48:09,702 INFO L78 Accepts]: Start accepts. Automaton has 1642 states and 2200 transitions. Word has length 62 [2022-11-03 02:48:09,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:09,702 INFO L495 AbstractCegarLoop]: Abstraction has 1642 states and 2200 transitions. [2022-11-03 02:48:09,703 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 02:48:09,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 2200 transitions. [2022-11-03 02:48:09,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-03 02:48:09,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:09,707 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 02:48:09,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:48:09,708 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:48:09,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:09,709 INFO L85 PathProgramCache]: Analyzing trace with hash -654238300, now seen corresponding path program 1 times [2022-11-03 02:48:09,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:48:09,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715811382] [2022-11-03 02:48:09,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:09,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:48:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:09,923 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 02:48:09,924 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:48:09,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715811382] [2022-11-03 02:48:09,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715811382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:09,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:48:09,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:48:09,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040876932] [2022-11-03 02:48:09,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:09,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:48:09,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:48:09,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:48:09,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:48:09,928 INFO L87 Difference]: Start difference. First operand 1642 states and 2200 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 02:48:11,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:12,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:12,944 INFO L93 Difference]: Finished difference Result 3262 states and 4368 transitions. [2022-11-03 02:48:12,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:48:12,950 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 02:48:12,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:12,959 INFO L225 Difference]: With dead ends: 3262 [2022-11-03 02:48:12,959 INFO L226 Difference]: Without dead ends: 1636 [2022-11-03 02:48:12,967 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 02:48:12,968 INFO L413 NwaCegarLoop]: 1092 mSDtfsCounter, 1268 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1268 SdHoareTripleChecker+Valid, 1092 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:12,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1268 Valid, 1092 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-03 02:48:12,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1636 states. [2022-11-03 02:48:13,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1636 to 1636. [2022-11-03 02:48:13,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1636 states, 938 states have (on average 1.2270788912579957) internal successors, (1151), 988 states have internal predecessors, (1151), 508 states have call successors, (508), 167 states have call predecessors, (508), 165 states have return successors, (532), 499 states have call predecessors, (532), 506 states have call successors, (532) [2022-11-03 02:48:13,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 2191 transitions. [2022-11-03 02:48:13,068 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 2191 transitions. Word has length 72 [2022-11-03 02:48:13,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:13,068 INFO L495 AbstractCegarLoop]: Abstraction has 1636 states and 2191 transitions. [2022-11-03 02:48:13,069 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 02:48:13,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2191 transitions. [2022-11-03 02:48:13,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-03 02:48:13,070 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:13,070 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 02:48:13,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:48:13,071 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:48:13,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:13,071 INFO L85 PathProgramCache]: Analyzing trace with hash 678434033, now seen corresponding path program 1 times [2022-11-03 02:48:13,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:48:13,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421827579] [2022-11-03 02:48:13,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:13,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:48:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:13,313 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 02:48:13,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:48:13,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421827579] [2022-11-03 02:48:13,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421827579] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:13,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:48:13,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:48:13,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831941881] [2022-11-03 02:48:13,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:13,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:48:13,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:48:13,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:48:13,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:48:13,316 INFO L87 Difference]: Start difference. First operand 1636 states and 2191 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 02:48:15,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:18,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:18,227 INFO L93 Difference]: Finished difference Result 1645 states and 2198 transitions. [2022-11-03 02:48:18,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:48:18,233 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 02:48:18,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:18,240 INFO L225 Difference]: With dead ends: 1645 [2022-11-03 02:48:18,241 INFO L226 Difference]: Without dead ends: 1643 [2022-11-03 02:48:18,242 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 02:48:18,243 INFO L413 NwaCegarLoop]: 1164 mSDtfsCounter, 814 mSDsluCounter, 2006 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 818 SdHoareTripleChecker+Valid, 2896 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:18,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [818 Valid, 2896 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 461 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-11-03 02:48:18,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1643 states. [2022-11-03 02:48:18,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1643 to 1634. [2022-11-03 02:48:18,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1634 states, 937 states have (on average 1.2262540021344717) internal successors, (1149), 986 states have internal predecessors, (1149), 508 states have call successors, (508), 167 states have call predecessors, (508), 165 states have return successors, (532), 499 states have call predecessors, (532), 506 states have call successors, (532) [2022-11-03 02:48:18,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1634 states and 2189 transitions. [2022-11-03 02:48:18,370 INFO L78 Accepts]: Start accepts. Automaton has 1634 states and 2189 transitions. Word has length 67 [2022-11-03 02:48:18,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:18,371 INFO L495 AbstractCegarLoop]: Abstraction has 1634 states and 2189 transitions. [2022-11-03 02:48:18,371 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 02:48:18,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2189 transitions. [2022-11-03 02:48:18,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-03 02:48:18,373 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:18,373 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 02:48:18,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:48:18,373 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:48:18,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:18,374 INFO L85 PathProgramCache]: Analyzing trace with hash -281377172, now seen corresponding path program 1 times [2022-11-03 02:48:18,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:48:18,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459008912] [2022-11-03 02:48:18,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:18,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:48:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:18,606 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 02:48:18,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:48:18,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459008912] [2022-11-03 02:48:18,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459008912] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:48:18,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272801581] [2022-11-03 02:48:18,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:18,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:48:18,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:48:18,613 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:48:18,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:48:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:19,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 1509 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:48:19,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:19,349 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 02:48:19,352 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:48:19,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272801581] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:19,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:48:19,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-11-03 02:48:19,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097462183] [2022-11-03 02:48:19,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:19,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:48:19,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:48:19,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:48:19,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:48:19,355 INFO L87 Difference]: Start difference. First operand 1634 states and 2189 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 02:48:21,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:23,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:23,301 INFO L93 Difference]: Finished difference Result 3255 states and 4353 transitions. [2022-11-03 02:48:23,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:48:23,310 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 02:48:23,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:23,317 INFO L225 Difference]: With dead ends: 3255 [2022-11-03 02:48:23,318 INFO L226 Difference]: Without dead ends: 1637 [2022-11-03 02:48:23,325 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 02:48:23,326 INFO L413 NwaCegarLoop]: 1160 mSDtfsCounter, 818 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 820 SdHoareTripleChecker+Valid, 1728 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:23,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [820 Valid, 1728 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 276 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-11-03 02:48:23,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2022-11-03 02:48:23,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 1628. [2022-11-03 02:48:23,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1628 states, 932 states have (on average 1.2231759656652361) internal successors, (1140), 980 states have internal predecessors, (1140), 508 states have call successors, (508), 167 states have call predecessors, (508), 165 states have return successors, (532), 499 states have call predecessors, (532), 506 states have call successors, (532) [2022-11-03 02:48:23,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1628 states and 2180 transitions. [2022-11-03 02:48:23,461 INFO L78 Accepts]: Start accepts. Automaton has 1628 states and 2180 transitions. Word has length 77 [2022-11-03 02:48:23,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:23,461 INFO L495 AbstractCegarLoop]: Abstraction has 1628 states and 2180 transitions. [2022-11-03 02:48:23,462 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 02:48:23,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 2180 transitions. [2022-11-03 02:48:23,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-03 02:48:23,463 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:23,463 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 02:48:23,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-03 02:48:23,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-03 02:48:23,678 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:48:23,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:23,678 INFO L85 PathProgramCache]: Analyzing trace with hash 878260545, now seen corresponding path program 1 times [2022-11-03 02:48:23,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:48:23,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477039785] [2022-11-03 02:48:23,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:23,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:48:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:23,922 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 02:48:23,922 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:48:23,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477039785] [2022-11-03 02:48:23,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477039785] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:23,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:48:23,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:48:23,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645188625] [2022-11-03 02:48:23,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:23,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:48:23,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:48:23,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:48:23,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:48:23,925 INFO L87 Difference]: Start difference. First operand 1628 states and 2180 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 02:48:26,902 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 02:48:28,324 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 02:48:29,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:29,352 INFO L93 Difference]: Finished difference Result 1628 states and 2180 transitions. [2022-11-03 02:48:29,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:48:29,358 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 02:48:29,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:29,366 INFO L225 Difference]: With dead ends: 1628 [2022-11-03 02:48:29,366 INFO L226 Difference]: Without dead ends: 1626 [2022-11-03 02:48:29,367 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 02:48:29,368 INFO L413 NwaCegarLoop]: 1082 mSDtfsCounter, 1241 mSDsluCounter, 1263 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1243 SdHoareTripleChecker+Valid, 2164 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:29,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1243 Valid, 2164 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 364 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-11-03 02:48:29,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1626 states. [2022-11-03 02:48:29,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1626 to 1626. [2022-11-03 02:48:29,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1626 states, 931 states have (on average 1.22234156820623) internal successors, (1138), 978 states have internal predecessors, (1138), 508 states have call successors, (508), 167 states have call predecessors, (508), 165 states have return successors, (532), 499 states have call predecessors, (532), 506 states have call successors, (532) [2022-11-03 02:48:29,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1626 states and 2178 transitions. [2022-11-03 02:48:29,487 INFO L78 Accepts]: Start accepts. Automaton has 1626 states and 2178 transitions. Word has length 72 [2022-11-03 02:48:29,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:29,488 INFO L495 AbstractCegarLoop]: Abstraction has 1626 states and 2178 transitions. [2022-11-03 02:48:29,488 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 02:48:29,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 2178 transitions. [2022-11-03 02:48:29,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-03 02:48:29,496 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:29,496 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 02:48:29,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:48:29,496 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:48:29,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:29,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1756158066, now seen corresponding path program 1 times [2022-11-03 02:48:29,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:48:29,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388809295] [2022-11-03 02:48:29,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:29,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:48:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:29,813 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 02:48:29,813 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:48:29,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388809295] [2022-11-03 02:48:29,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388809295] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:29,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:48:29,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:48:29,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342492150] [2022-11-03 02:48:29,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:29,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:48:29,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:48:29,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:48:29,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:48:29,816 INFO L87 Difference]: Start difference. First operand 1626 states and 2178 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 02:48:31,969 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 02:48:35,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:35,005 INFO L93 Difference]: Finished difference Result 1635 states and 2185 transitions. [2022-11-03 02:48:35,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:48:35,011 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 02:48:35,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:35,020 INFO L225 Difference]: With dead ends: 1635 [2022-11-03 02:48:35,020 INFO L226 Difference]: Without dead ends: 1633 [2022-11-03 02:48:35,022 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 02:48:35,022 INFO L413 NwaCegarLoop]: 1155 mSDtfsCounter, 803 mSDsluCounter, 1997 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 807 SdHoareTripleChecker+Valid, 2878 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:35,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [807 Valid, 2878 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 461 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-11-03 02:48:35,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1633 states. [2022-11-03 02:48:35,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1633 to 1624. [2022-11-03 02:48:35,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1624 states, 930 states have (on average 1.221505376344086) internal successors, (1136), 976 states have internal predecessors, (1136), 508 states have call successors, (508), 167 states have call predecessors, (508), 165 states have return successors, (532), 499 states have call predecessors, (532), 506 states have call successors, (532) [2022-11-03 02:48:35,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 2176 transitions. [2022-11-03 02:48:35,146 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 2176 transitions. Word has length 77 [2022-11-03 02:48:35,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:35,146 INFO L495 AbstractCegarLoop]: Abstraction has 1624 states and 2176 transitions. [2022-11-03 02:48:35,147 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 02:48:35,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2176 transitions. [2022-11-03 02:48:35,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-03 02:48:35,148 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:35,149 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 02:48:35,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 02:48:35,149 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:48:35,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:35,150 INFO L85 PathProgramCache]: Analyzing trace with hash 564813971, now seen corresponding path program 1 times [2022-11-03 02:48:35,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:48:35,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639373098] [2022-11-03 02:48:35,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:35,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:48:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:35,412 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 02:48:35,413 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:48:35,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639373098] [2022-11-03 02:48:35,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639373098] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:35,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:48:35,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:48:35,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726985439] [2022-11-03 02:48:35,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:35,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:48:35,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:48:35,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:48:35,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:48:35,415 INFO L87 Difference]: Start difference. First operand 1624 states and 2176 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 02:48:37,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:39,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:41,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:42,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:42,722 INFO L93 Difference]: Finished difference Result 1633 states and 2183 transitions. [2022-11-03 02:48:42,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:48:42,729 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 02:48:42,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:42,737 INFO L225 Difference]: With dead ends: 1633 [2022-11-03 02:48:42,737 INFO L226 Difference]: Without dead ends: 1631 [2022-11-03 02:48:42,739 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 02:48:42,739 INFO L413 NwaCegarLoop]: 1153 mSDtfsCounter, 804 mSDsluCounter, 1991 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 2870 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:42,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 2870 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 461 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2022-11-03 02:48:42,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1631 states. [2022-11-03 02:48:42,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1631 to 1622. [2022-11-03 02:48:42,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1622 states, 929 states have (on average 1.2206673842841764) internal successors, (1134), 974 states have internal predecessors, (1134), 508 states have call successors, (508), 167 states have call predecessors, (508), 165 states have return successors, (532), 499 states have call predecessors, (532), 506 states have call successors, (532) [2022-11-03 02:48:42,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 1622 states and 2174 transitions. [2022-11-03 02:48:42,872 INFO L78 Accepts]: Start accepts. Automaton has 1622 states and 2174 transitions. Word has length 82 [2022-11-03 02:48:42,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:42,873 INFO L495 AbstractCegarLoop]: Abstraction has 1622 states and 2174 transitions. [2022-11-03 02:48:42,873 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 02:48:42,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 2174 transitions. [2022-11-03 02:48:42,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-03 02:48:42,875 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:42,875 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 02:48:42,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 02:48:42,875 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:48:42,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:42,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1620484566, now seen corresponding path program 1 times [2022-11-03 02:48:42,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:48:42,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494809722] [2022-11-03 02:48:42,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:42,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:48:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:43,178 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 02:48:43,178 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:48:43,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494809722] [2022-11-03 02:48:43,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494809722] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:43,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:48:43,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:48:43,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573237236] [2022-11-03 02:48:43,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:43,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:48:43,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:48:43,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:48:43,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:48:43,180 INFO L87 Difference]: Start difference. First operand 1622 states and 2174 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 02:48:46,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:48,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:48,979 INFO L93 Difference]: Finished difference Result 1622 states and 2174 transitions. [2022-11-03 02:48:48,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:48:48,985 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 02:48:48,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:48,996 INFO L225 Difference]: With dead ends: 1622 [2022-11-03 02:48:48,997 INFO L226 Difference]: Without dead ends: 1620 [2022-11-03 02:48:48,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:48:49,001 INFO L413 NwaCegarLoop]: 1076 mSDtfsCounter, 1231 mSDsluCounter, 1257 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1233 SdHoareTripleChecker+Valid, 2152 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:49,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1233 Valid, 2152 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 364 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2022-11-03 02:48:49,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2022-11-03 02:48:49,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1620. [2022-11-03 02:48:49,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1620 states, 928 states have (on average 1.2198275862068966) internal successors, (1132), 972 states have internal predecessors, (1132), 508 states have call successors, (508), 167 states have call predecessors, (508), 165 states have return successors, (532), 499 states have call predecessors, (532), 506 states have call successors, (532) [2022-11-03 02:48:49,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 1620 states and 2172 transitions. [2022-11-03 02:48:49,143 INFO L78 Accepts]: Start accepts. Automaton has 1620 states and 2172 transitions. Word has length 84 [2022-11-03 02:48:49,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:49,144 INFO L495 AbstractCegarLoop]: Abstraction has 1620 states and 2172 transitions. [2022-11-03 02:48:49,145 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 02:48:49,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 2172 transitions. [2022-11-03 02:48:49,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-03 02:48:49,146 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:49,147 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 02:48:49,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 02:48:49,147 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:48:49,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:49,147 INFO L85 PathProgramCache]: Analyzing trace with hash -626388581, now seen corresponding path program 1 times [2022-11-03 02:48:49,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:48:49,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805260409] [2022-11-03 02:48:49,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:49,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:48:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:49,365 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 02:48:49,365 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:48:49,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805260409] [2022-11-03 02:48:49,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805260409] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:49,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:48:49,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:48:49,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622671989] [2022-11-03 02:48:49,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:49,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:48:49,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:48:49,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:48:49,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:48:49,368 INFO L87 Difference]: Start difference. First operand 1620 states and 2172 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 02:48:52,124 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 02:48:54,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:54,226 INFO L93 Difference]: Finished difference Result 1620 states and 2172 transitions. [2022-11-03 02:48:54,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:48:54,232 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 02:48:54,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:54,238 INFO L225 Difference]: With dead ends: 1620 [2022-11-03 02:48:54,238 INFO L226 Difference]: Without dead ends: 1618 [2022-11-03 02:48:54,238 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 02:48:54,239 INFO L413 NwaCegarLoop]: 1074 mSDtfsCounter, 1230 mSDsluCounter, 1255 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1232 SdHoareTripleChecker+Valid, 2148 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:54,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1232 Valid, 2148 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 364 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2022-11-03 02:48:54,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1618 states. [2022-11-03 02:48:54,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1618 to 1618. [2022-11-03 02:48:54,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1618 states, 927 states have (on average 1.2189859762675297) internal successors, (1130), 970 states have internal predecessors, (1130), 508 states have call successors, (508), 167 states have call predecessors, (508), 165 states have return successors, (532), 499 states have call predecessors, (532), 506 states have call successors, (532) [2022-11-03 02:48:54,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1618 states to 1618 states and 2170 transitions. [2022-11-03 02:48:54,391 INFO L78 Accepts]: Start accepts. Automaton has 1618 states and 2170 transitions. Word has length 89 [2022-11-03 02:48:54,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:54,392 INFO L495 AbstractCegarLoop]: Abstraction has 1618 states and 2170 transitions. [2022-11-03 02:48:54,392 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 02:48:54,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1618 states and 2170 transitions. [2022-11-03 02:48:54,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-03 02:48:54,394 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:54,394 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:48:54,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-03 02:48:54,394 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:48:54,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:54,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1710246973, now seen corresponding path program 1 times [2022-11-03 02:48:54,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:48:54,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29991111] [2022-11-03 02:48:54,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:54,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:48:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:54,892 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-03 02:48:54,893 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:48:54,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29991111] [2022-11-03 02:48:54,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29991111] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:54,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:48:54,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:48:54,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798729734] [2022-11-03 02:48:54,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:54,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:48:54,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:48:54,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:48:54,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:48:54,895 INFO L87 Difference]: Start difference. First operand 1618 states and 2170 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 02:48:56,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:58,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:02,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:02,332 INFO L93 Difference]: Finished difference Result 1687 states and 2229 transitions. [2022-11-03 02:49:02,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:49:02,340 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 109 [2022-11-03 02:49:02,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:02,345 INFO L225 Difference]: With dead ends: 1687 [2022-11-03 02:49:02,345 INFO L226 Difference]: Without dead ends: 1685 [2022-11-03 02:49:02,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 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 02:49:02,346 INFO L413 NwaCegarLoop]: 1084 mSDtfsCounter, 996 mSDsluCounter, 2808 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 997 SdHoareTripleChecker+Valid, 3478 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:02,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [997 Valid, 3478 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 605 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2022-11-03 02:49:02,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1685 states. [2022-11-03 02:49:02,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1685 to 1685. [2022-11-03 02:49:02,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1685 states, 963 states have (on average 1.2097611630321912) internal successors, (1165), 1005 states have internal predecessors, (1165), 518 states have call successors, (518), 189 states have call predecessors, (518), 187 states have return successors, (542), 509 states have call predecessors, (542), 516 states have call successors, (542) [2022-11-03 02:49:02,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 1685 states and 2225 transitions. [2022-11-03 02:49:02,537 INFO L78 Accepts]: Start accepts. Automaton has 1685 states and 2225 transitions. Word has length 109 [2022-11-03 02:49:02,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:02,537 INFO L495 AbstractCegarLoop]: Abstraction has 1685 states and 2225 transitions. [2022-11-03 02:49:02,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 02:49:02,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1685 states and 2225 transitions. [2022-11-03 02:49:02,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-03 02:49:02,539 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:02,539 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 02:49:02,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-03 02:49:02,540 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:49:02,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:02,540 INFO L85 PathProgramCache]: Analyzing trace with hash 743064716, now seen corresponding path program 1 times [2022-11-03 02:49:02,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:02,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366775948] [2022-11-03 02:49:02,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:02,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:02,749 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 02:49:02,749 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:02,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366775948] [2022-11-03 02:49:02,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366775948] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:02,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:02,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:49:02,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383614506] [2022-11-03 02:49:02,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:02,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:49:02,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:02,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:49:02,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:49:02,752 INFO L87 Difference]: Start difference. First operand 1685 states and 2225 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 02:49:04,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:06,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:06,476 INFO L93 Difference]: Finished difference Result 1685 states and 2225 transitions. [2022-11-03 02:49:06,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:49:06,485 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 02:49:06,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:06,492 INFO L225 Difference]: With dead ends: 1685 [2022-11-03 02:49:06,492 INFO L226 Difference]: Without dead ends: 1683 [2022-11-03 02:49:06,493 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 02:49:06,494 INFO L413 NwaCegarLoop]: 1070 mSDtfsCounter, 1225 mSDsluCounter, 1251 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1227 SdHoareTripleChecker+Valid, 2140 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:06,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1227 Valid, 2140 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-03 02:49:06,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1683 states. [2022-11-03 02:49:06,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1683 to 1683. [2022-11-03 02:49:06,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1683 states, 962 states have (on average 1.208939708939709) internal successors, (1163), 1003 states have internal predecessors, (1163), 518 states have call successors, (518), 189 states have call predecessors, (518), 187 states have return successors, (542), 509 states have call predecessors, (542), 516 states have call successors, (542) [2022-11-03 02:49:06,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1683 states and 2223 transitions. [2022-11-03 02:49:06,701 INFO L78 Accepts]: Start accepts. Automaton has 1683 states and 2223 transitions. Word has length 94 [2022-11-03 02:49:06,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:06,702 INFO L495 AbstractCegarLoop]: Abstraction has 1683 states and 2223 transitions. [2022-11-03 02:49:06,702 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 02:49:06,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 2223 transitions. [2022-11-03 02:49:06,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-03 02:49:06,704 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:06,705 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 02:49:06,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-03 02:49:06,705 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:49:06,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:06,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1186607895, now seen corresponding path program 1 times [2022-11-03 02:49:06,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:06,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757267204] [2022-11-03 02:49:06,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:06,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:06,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:06,954 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 02:49:06,954 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:06,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757267204] [2022-11-03 02:49:06,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757267204] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:06,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:06,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:49:06,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179501035] [2022-11-03 02:49:06,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:06,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:49:06,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:06,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:49:06,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:49:06,958 INFO L87 Difference]: Start difference. First operand 1683 states and 2223 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 02:49:09,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:11,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:14,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:14,152 INFO L93 Difference]: Finished difference Result 1690 states and 2229 transitions. [2022-11-03 02:49:14,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:49:14,157 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 02:49:14,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:14,162 INFO L225 Difference]: With dead ends: 1690 [2022-11-03 02:49:14,162 INFO L226 Difference]: Without dead ends: 1688 [2022-11-03 02:49:14,162 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 02:49:14,163 INFO L413 NwaCegarLoop]: 1143 mSDtfsCounter, 787 mSDsluCounter, 1983 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 2852 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:14,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 2852 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 461 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2022-11-03 02:49:14,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1688 states. [2022-11-03 02:49:14,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1688 to 1681. [2022-11-03 02:49:14,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1681 states, 961 states have (on average 1.2081165452653486) internal successors, (1161), 1001 states have internal predecessors, (1161), 518 states have call successors, (518), 189 states have call predecessors, (518), 187 states have return successors, (542), 509 states have call predecessors, (542), 516 states have call successors, (542) [2022-11-03 02:49:14,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1681 states and 2221 transitions. [2022-11-03 02:49:14,322 INFO L78 Accepts]: Start accepts. Automaton has 1681 states and 2221 transitions. Word has length 99 [2022-11-03 02:49:14,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:14,322 INFO L495 AbstractCegarLoop]: Abstraction has 1681 states and 2221 transitions. [2022-11-03 02:49:14,323 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 02:49:14,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 2221 transitions. [2022-11-03 02:49:14,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-03 02:49:14,324 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:14,325 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 02:49:14,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-03 02:49:14,325 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:49:14,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:14,326 INFO L85 PathProgramCache]: Analyzing trace with hash -475334808, now seen corresponding path program 1 times [2022-11-03 02:49:14,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:14,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535142798] [2022-11-03 02:49:14,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:14,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:14,541 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 02:49:14,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:14,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535142798] [2022-11-03 02:49:14,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535142798] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:14,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:14,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:49:14,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860574373] [2022-11-03 02:49:14,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:14,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:49:14,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:14,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:49:14,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:49:14,544 INFO L87 Difference]: Start difference. First operand 1681 states and 2221 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 02:49:16,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:18,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:21,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:21,063 INFO L93 Difference]: Finished difference Result 1688 states and 2227 transitions. [2022-11-03 02:49:21,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:49:21,069 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 02:49:21,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:21,076 INFO L225 Difference]: With dead ends: 1688 [2022-11-03 02:49:21,077 INFO L226 Difference]: Without dead ends: 1686 [2022-11-03 02:49:21,078 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 02:49:21,078 INFO L413 NwaCegarLoop]: 1141 mSDtfsCounter, 784 mSDsluCounter, 1981 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 2848 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:21,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [788 Valid, 2848 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 461 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-11-03 02:49:21,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2022-11-03 02:49:21,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1679. [2022-11-03 02:49:21,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1679 states, 960 states have (on average 1.2072916666666667) internal successors, (1159), 999 states have internal predecessors, (1159), 518 states have call successors, (518), 189 states have call predecessors, (518), 187 states have return successors, (542), 509 states have call predecessors, (542), 516 states have call successors, (542) [2022-11-03 02:49:21,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1679 states and 2219 transitions. [2022-11-03 02:49:21,259 INFO L78 Accepts]: Start accepts. Automaton has 1679 states and 2219 transitions. Word has length 104 [2022-11-03 02:49:21,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:21,260 INFO L495 AbstractCegarLoop]: Abstraction has 1679 states and 2219 transitions. [2022-11-03 02:49:21,260 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 02:49:21,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 2219 transitions. [2022-11-03 02:49:21,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-03 02:49:21,262 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:21,262 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 02:49:21,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-03 02:49:21,263 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:49:21,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:21,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1154824719, now seen corresponding path program 1 times [2022-11-03 02:49:21,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:21,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814990165] [2022-11-03 02:49:21,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:21,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:21,528 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 02:49:21,529 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:21,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814990165] [2022-11-03 02:49:21,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814990165] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:21,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:21,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:49:21,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943037273] [2022-11-03 02:49:21,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:21,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:49:21,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:21,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:49:21,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:49:21,532 INFO L87 Difference]: Start difference. First operand 1679 states and 2219 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 02:49:23,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:25,605 WARN L539 Checker$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 02:49:27,040 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 02:49:28,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:28,183 INFO L93 Difference]: Finished difference Result 1679 states and 2219 transitions. [2022-11-03 02:49:28,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:49:28,190 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 02:49:28,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:28,197 INFO L225 Difference]: With dead ends: 1679 [2022-11-03 02:49:28,197 INFO L226 Difference]: Without dead ends: 1677 [2022-11-03 02:49:28,198 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 02:49:28,199 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 1216 mSDsluCounter, 1245 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1218 SdHoareTripleChecker+Valid, 2128 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:28,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1218 Valid, 2128 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 364 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2022-11-03 02:49:28,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1677 states. [2022-11-03 02:49:28,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1677 to 1677. [2022-11-03 02:49:28,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1677 states, 959 states have (on average 1.2064650677789364) internal successors, (1157), 997 states have internal predecessors, (1157), 518 states have call successors, (518), 189 states have call predecessors, (518), 187 states have return successors, (542), 509 states have call predecessors, (542), 516 states have call successors, (542) [2022-11-03 02:49:28,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1677 states and 2217 transitions. [2022-11-03 02:49:28,418 INFO L78 Accepts]: Start accepts. Automaton has 1677 states and 2217 transitions. Word has length 109 [2022-11-03 02:49:28,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:28,419 INFO L495 AbstractCegarLoop]: Abstraction has 1677 states and 2217 transitions. [2022-11-03 02:49:28,419 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 02:49:28,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states and 2217 transitions. [2022-11-03 02:49:28,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-03 02:49:28,422 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:28,422 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 02:49:28,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-03 02:49:28,423 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:49:28,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:28,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1086787561, now seen corresponding path program 1 times [2022-11-03 02:49:28,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:28,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100724853] [2022-11-03 02:49:28,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:28,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:28,664 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 02:49:28,665 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:28,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100724853] [2022-11-03 02:49:28,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100724853] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:28,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:28,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:49:28,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830097899] [2022-11-03 02:49:28,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:28,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:49:28,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:28,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:49:28,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:49:28,667 INFO L87 Difference]: Start difference. First operand 1677 states and 2217 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 02:49:30,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:32,729 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 02:49:34,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:34,937 INFO L93 Difference]: Finished difference Result 1677 states and 2217 transitions. [2022-11-03 02:49:34,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:49:34,942 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 02:49:34,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:34,949 INFO L225 Difference]: With dead ends: 1677 [2022-11-03 02:49:34,949 INFO L226 Difference]: Without dead ends: 1675 [2022-11-03 02:49:34,950 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 02:49:34,951 INFO L413 NwaCegarLoop]: 1062 mSDtfsCounter, 1213 mSDsluCounter, 1243 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1215 SdHoareTripleChecker+Valid, 2124 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:34,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1215 Valid, 2124 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 364 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-11-03 02:49:34,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2022-11-03 02:49:35,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1675. [2022-11-03 02:49:35,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1675 states, 958 states have (on average 1.2056367432150312) internal successors, (1155), 995 states have internal predecessors, (1155), 518 states have call successors, (518), 189 states have call predecessors, (518), 187 states have return successors, (542), 509 states have call predecessors, (542), 516 states have call successors, (542) [2022-11-03 02:49:35,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 2215 transitions. [2022-11-03 02:49:35,145 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 2215 transitions. Word has length 114 [2022-11-03 02:49:35,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:35,146 INFO L495 AbstractCegarLoop]: Abstraction has 1675 states and 2215 transitions. [2022-11-03 02:49:35,146 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 02:49:35,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 2215 transitions. [2022-11-03 02:49:35,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-03 02:49:35,148 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:35,149 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 02:49:35,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-03 02:49:35,149 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:49:35,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:35,150 INFO L85 PathProgramCache]: Analyzing trace with hash -762480919, now seen corresponding path program 1 times [2022-11-03 02:49:35,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:35,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126459127] [2022-11-03 02:49:35,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:35,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:35,516 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 02:49:35,516 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:35,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126459127] [2022-11-03 02:49:35,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126459127] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:35,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:35,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:49:35,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925690641] [2022-11-03 02:49:35,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:35,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:49:35,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:35,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:49:35,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:49:35,521 INFO L87 Difference]: Start difference. First operand 1675 states and 2215 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 02:49:38,478 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 02:49:40,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:40,662 INFO L93 Difference]: Finished difference Result 1675 states and 2215 transitions. [2022-11-03 02:49:40,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:49:40,667 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 02:49:40,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:40,672 INFO L225 Difference]: With dead ends: 1675 [2022-11-03 02:49:40,672 INFO L226 Difference]: Without dead ends: 1673 [2022-11-03 02:49:40,674 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 02:49:40,674 INFO L413 NwaCegarLoop]: 1060 mSDtfsCounter, 1210 mSDsluCounter, 1241 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1212 SdHoareTripleChecker+Valid, 2120 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:40,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1212 Valid, 2120 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 364 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-11-03 02:49:40,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1673 states. [2022-11-03 02:49:40,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1673. [2022-11-03 02:49:40,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1673 states, 957 states have (on average 1.2048066875653083) internal successors, (1153), 993 states have internal predecessors, (1153), 518 states have call successors, (518), 189 states have call predecessors, (518), 187 states have return successors, (542), 509 states have call predecessors, (542), 516 states have call successors, (542) [2022-11-03 02:49:40,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1673 states and 2213 transitions. [2022-11-03 02:49:40,832 INFO L78 Accepts]: Start accepts. Automaton has 1673 states and 2213 transitions. Word has length 119 [2022-11-03 02:49:40,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:40,832 INFO L495 AbstractCegarLoop]: Abstraction has 1673 states and 2213 transitions. [2022-11-03 02:49:40,833 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 02:49:40,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 2213 transitions. [2022-11-03 02:49:40,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-03 02:49:40,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:40,836 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 02:49:40,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-03 02:49:40,836 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:49:40,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:40,837 INFO L85 PathProgramCache]: Analyzing trace with hash -212047219, now seen corresponding path program 1 times [2022-11-03 02:49:40,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:40,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948581825] [2022-11-03 02:49:40,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:40,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:41,064 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 02:49:41,064 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:41,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948581825] [2022-11-03 02:49:41,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948581825] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:41,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:41,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:49:41,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23816380] [2022-11-03 02:49:41,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:41,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:49:41,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:41,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:49:41,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:49:41,066 INFO L87 Difference]: Start difference. First operand 1673 states and 2213 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 02:49:43,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:46,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:46,241 INFO L93 Difference]: Finished difference Result 1680 states and 2219 transitions. [2022-11-03 02:49:46,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:49:46,247 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 02:49:46,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:46,252 INFO L225 Difference]: With dead ends: 1680 [2022-11-03 02:49:46,252 INFO L226 Difference]: Without dead ends: 1678 [2022-11-03 02:49:46,253 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 02:49:46,254 INFO L413 NwaCegarLoop]: 1133 mSDtfsCounter, 772 mSDsluCounter, 1973 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 776 SdHoareTripleChecker+Valid, 2832 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:46,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [776 Valid, 2832 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 461 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-11-03 02:49:46,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2022-11-03 02:49:46,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1671. [2022-11-03 02:49:46,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 956 states have (on average 1.2039748953974896) internal successors, (1151), 991 states have internal predecessors, (1151), 518 states have call successors, (518), 189 states have call predecessors, (518), 187 states have return successors, (542), 509 states have call predecessors, (542), 516 states have call successors, (542) [2022-11-03 02:49:46,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2211 transitions. [2022-11-03 02:49:46,416 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2211 transitions. Word has length 124 [2022-11-03 02:49:46,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:46,416 INFO L495 AbstractCegarLoop]: Abstraction has 1671 states and 2211 transitions. [2022-11-03 02:49:46,416 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 02:49:46,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2211 transitions. [2022-11-03 02:49:46,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-03 02:49:46,419 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:46,420 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 02:49:46,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-03 02:49:46,420 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:49:46,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:46,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1006202965, now seen corresponding path program 1 times [2022-11-03 02:49:46,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:46,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654645741] [2022-11-03 02:49:46,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:46,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:46,757 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 02:49:46,758 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:46,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654645741] [2022-11-03 02:49:46,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654645741] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:46,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:46,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:49:46,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921833347] [2022-11-03 02:49:46,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:46,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:49:46,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:46,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:49:46,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:49:46,760 INFO L87 Difference]: Start difference. First operand 1671 states and 2211 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 02:49:48,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:50,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:52,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:52,736 INFO L93 Difference]: Finished difference Result 1671 states and 2211 transitions. [2022-11-03 02:49:52,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:49:52,741 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 02:49:52,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:52,748 INFO L225 Difference]: With dead ends: 1671 [2022-11-03 02:49:52,748 INFO L226 Difference]: Without dead ends: 1669 [2022-11-03 02:49:52,749 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 02:49:52,750 INFO L413 NwaCegarLoop]: 1056 mSDtfsCounter, 1204 mSDsluCounter, 1237 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1206 SdHoareTripleChecker+Valid, 2112 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:52,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1206 Valid, 2112 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 364 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2022-11-03 02:49:52,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2022-11-03 02:49:52,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669. [2022-11-03 02:49:52,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 955 states have (on average 1.2031413612565445) internal successors, (1149), 989 states have internal predecessors, (1149), 518 states have call successors, (518), 189 states have call predecessors, (518), 187 states have return successors, (542), 509 states have call predecessors, (542), 516 states have call successors, (542) [2022-11-03 02:49:52,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2209 transitions. [2022-11-03 02:49:52,923 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2209 transitions. Word has length 129 [2022-11-03 02:49:52,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:52,924 INFO L495 AbstractCegarLoop]: Abstraction has 1669 states and 2209 transitions. [2022-11-03 02:49:52,924 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 02:49:52,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2209 transitions. [2022-11-03 02:49:52,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-03 02:49:52,930 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:52,930 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:52,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-03 02:49:52,930 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:49:52,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:52,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1754325037, now seen corresponding path program 1 times [2022-11-03 02:49:52,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:52,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565640197] [2022-11-03 02:49:52,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:52,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:53,383 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2022-11-03 02:49:53,383 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:53,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565640197] [2022-11-03 02:49:53,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565640197] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:53,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:53,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:49:53,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378850370] [2022-11-03 02:49:53,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:53,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:49:53,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:53,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:49:53,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:49:53,387 INFO L87 Difference]: Start difference. First operand 1669 states and 2209 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-03 02:49:54,963 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 02:49:57,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:58,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:01,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:02,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:02,588 INFO L93 Difference]: Finished difference Result 1669 states and 2209 transitions. [2022-11-03 02:50:02,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:50:02,594 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 167 [2022-11-03 02:50:02,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:02,599 INFO L225 Difference]: With dead ends: 1669 [2022-11-03 02:50:02,600 INFO L226 Difference]: Without dead ends: 1667 [2022-11-03 02:50:02,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 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 02:50:02,601 INFO L413 NwaCegarLoop]: 1086 mSDtfsCounter, 259 mSDsluCounter, 3566 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 4120 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:02,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 4120 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 730 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2022-11-03 02:50:02,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2022-11-03 02:50:02,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1667. [2022-11-03 02:50:02,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1667 states, 954 states have (on average 1.20020964360587) internal successors, (1145), 987 states have internal predecessors, (1145), 518 states have call successors, (518), 189 states have call predecessors, (518), 187 states have return successors, (542), 509 states have call predecessors, (542), 516 states have call successors, (542) [2022-11-03 02:50:02,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2205 transitions. [2022-11-03 02:50:02,801 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 2205 transitions. Word has length 167 [2022-11-03 02:50:02,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:02,802 INFO L495 AbstractCegarLoop]: Abstraction has 1667 states and 2205 transitions. [2022-11-03 02:50:02,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-03 02:50:02,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2205 transitions. [2022-11-03 02:50:02,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-03 02:50:02,806 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:02,806 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 02:50:02,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-03 02:50:02,806 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:50:02,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:02,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1136413984, now seen corresponding path program 1 times [2022-11-03 02:50:02,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:50:02,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366016595] [2022-11-03 02:50:02,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:02,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:50:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:03,049 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 02:50:03,049 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:50:03,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366016595] [2022-11-03 02:50:03,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366016595] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:50:03,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:50:03,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:50:03,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860946678] [2022-11-03 02:50:03,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:50:03,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:50:03,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:50:03,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:50:03,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:50:03,051 INFO L87 Difference]: Start difference. First operand 1667 states and 2205 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 02:50:05,214 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 02:50:07,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:07,548 INFO L93 Difference]: Finished difference Result 1672 states and 2210 transitions. [2022-11-03 02:50:07,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:50:07,553 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 02:50:07,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:07,557 INFO L225 Difference]: With dead ends: 1672 [2022-11-03 02:50:07,557 INFO L226 Difference]: Without dead ends: 1670 [2022-11-03 02:50:07,558 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 02:50:07,558 INFO L413 NwaCegarLoop]: 1127 mSDtfsCounter, 764 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 2818 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:07,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [768 Valid, 2818 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 461 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-11-03 02:50:07,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2022-11-03 02:50:07,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1665. [2022-11-03 02:50:07,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1665 states, 953 states have (on average 1.1993704092339978) internal successors, (1143), 985 states have internal predecessors, (1143), 518 states have call successors, (518), 189 states have call predecessors, (518), 187 states have return successors, (542), 509 states have call predecessors, (542), 516 states have call successors, (542) [2022-11-03 02:50:07,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1665 states and 2203 transitions. [2022-11-03 02:50:07,728 INFO L78 Accepts]: Start accepts. Automaton has 1665 states and 2203 transitions. Word has length 134 [2022-11-03 02:50:07,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:07,729 INFO L495 AbstractCegarLoop]: Abstraction has 1665 states and 2203 transitions. [2022-11-03 02:50:07,729 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 02:50:07,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2203 transitions. [2022-11-03 02:50:07,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-03 02:50:07,733 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:07,734 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 02:50:07,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-03 02:50:07,734 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:50:07,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:07,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1395097293, now seen corresponding path program 1 times [2022-11-03 02:50:07,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:50:07,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126851311] [2022-11-03 02:50:07,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:07,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:50:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:07,993 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 02:50:07,993 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:50:07,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126851311] [2022-11-03 02:50:07,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126851311] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:50:07,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:50:07,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:50:07,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116133754] [2022-11-03 02:50:07,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:50:07,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:50:07,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:50:07,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:50:07,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:50:07,996 INFO L87 Difference]: Start difference. First operand 1665 states and 2203 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 02:50:11,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:11,288 INFO L93 Difference]: Finished difference Result 1665 states and 2203 transitions. [2022-11-03 02:50:11,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:50:11,293 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 02:50:11,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:11,299 INFO L225 Difference]: With dead ends: 1665 [2022-11-03 02:50:11,300 INFO L226 Difference]: Without dead ends: 1663 [2022-11-03 02:50:11,301 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 02:50:11,301 INFO L413 NwaCegarLoop]: 1050 mSDtfsCounter, 1196 mSDsluCounter, 1231 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1198 SdHoareTripleChecker+Valid, 2100 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:11,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1198 Valid, 2100 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-03 02:50:11,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1663 states. [2022-11-03 02:50:11,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1663 to 1663. [2022-11-03 02:50:11,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1663 states, 952 states have (on average 1.1985294117647058) internal successors, (1141), 983 states have internal predecessors, (1141), 518 states have call successors, (518), 189 states have call predecessors, (518), 187 states have return successors, (542), 509 states have call predecessors, (542), 516 states have call successors, (542) [2022-11-03 02:50:11,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1663 states and 2201 transitions. [2022-11-03 02:50:11,582 INFO L78 Accepts]: Start accepts. Automaton has 1663 states and 2201 transitions. Word has length 139 [2022-11-03 02:50:11,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:11,583 INFO L495 AbstractCegarLoop]: Abstraction has 1663 states and 2201 transitions. [2022-11-03 02:50:11,583 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 02:50:11,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 2201 transitions. [2022-11-03 02:50:11,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-03 02:50:11,588 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:11,588 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 02:50:11,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-03 02:50:11,589 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:50:11,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:11,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1045670336, now seen corresponding path program 1 times [2022-11-03 02:50:11,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:50:11,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893409909] [2022-11-03 02:50:11,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:11,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:50:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:11,810 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 02:50:11,810 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:50:11,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893409909] [2022-11-03 02:50:11,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893409909] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:50:11,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:50:11,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:50:11,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188783852] [2022-11-03 02:50:11,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:50:11,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:50:11,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:50:11,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:50:11,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:50:11,813 INFO L87 Difference]: Start difference. First operand 1663 states and 2201 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 02:50:14,005 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 02:50:16,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:16,258 INFO L93 Difference]: Finished difference Result 1668 states and 2206 transitions. [2022-11-03 02:50:16,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:50:16,264 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 02:50:16,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:16,269 INFO L225 Difference]: With dead ends: 1668 [2022-11-03 02:50:16,269 INFO L226 Difference]: Without dead ends: 1541 [2022-11-03 02:50:16,270 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 02:50:16,271 INFO L413 NwaCegarLoop]: 1124 mSDtfsCounter, 758 mSDsluCounter, 1963 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 2812 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:16,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 2812 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 461 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-11-03 02:50:16,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2022-11-03 02:50:16,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 1536. [2022-11-03 02:50:16,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1536 states, 887 states have (on average 1.2085682074408117) internal successors, (1072), 915 states have internal predecessors, (1072), 477 states have call successors, (477), 169 states have call predecessors, (477), 167 states have return successors, (501), 470 states have call predecessors, (501), 475 states have call successors, (501) [2022-11-03 02:50:16,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 1536 states and 2050 transitions. [2022-11-03 02:50:16,463 INFO L78 Accepts]: Start accepts. Automaton has 1536 states and 2050 transitions. Word has length 144 [2022-11-03 02:50:16,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:16,464 INFO L495 AbstractCegarLoop]: Abstraction has 1536 states and 2050 transitions. [2022-11-03 02:50:16,464 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 02:50:16,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1536 states and 2050 transitions. [2022-11-03 02:50:16,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-03 02:50:16,468 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:16,468 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:50:16,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-03 02:50:16,469 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:50:16,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:16,469 INFO L85 PathProgramCache]: Analyzing trace with hash -920071614, now seen corresponding path program 1 times [2022-11-03 02:50:16,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:50:16,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589827657] [2022-11-03 02:50:16,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:16,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:50:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:17,200 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-11-03 02:50:17,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:50:17,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589827657] [2022-11-03 02:50:17,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589827657] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:50:17,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539960987] [2022-11-03 02:50:17,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:17,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:50:17,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:50:17,207 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:50:17,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:50:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:18,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 2321 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-03 02:50:18,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:50:18,139 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-03 02:50:18,139 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:50:18,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539960987] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:50:18,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:50:18,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2022-11-03 02:50:18,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261101761] [2022-11-03 02:50:18,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:50:18,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:50:18,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:50:18,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:50:18,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:50:18,141 INFO L87 Difference]: Start difference. First operand 1536 states and 2050 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 02:50:20,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:22,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:23,880 WARN L539 Checker$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 02:50:24,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:26,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:26,186 INFO L93 Difference]: Finished difference Result 3076 states and 4173 transitions. [2022-11-03 02:50:26,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:50:26,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) Word has length 156 [2022-11-03 02:50:26,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:26,197 INFO L225 Difference]: With dead ends: 3076 [2022-11-03 02:50:26,197 INFO L226 Difference]: Without dead ends: 1556 [2022-11-03 02:50:26,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:50:26,209 INFO L413 NwaCegarLoop]: 936 mSDtfsCounter, 3 mSDsluCounter, 3276 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3734 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:26,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3734 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 660 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2022-11-03 02:50:26,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2022-11-03 02:50:26,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1544. [2022-11-03 02:50:26,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1544 states, 893 states have (on average 1.2071668533034714) internal successors, (1078), 921 states have internal predecessors, (1078), 477 states have call successors, (477), 169 states have call predecessors, (477), 169 states have return successors, (503), 472 states have call predecessors, (503), 475 states have call successors, (503) [2022-11-03 02:50:26,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1544 states and 2058 transitions. [2022-11-03 02:50:26,457 INFO L78 Accepts]: Start accepts. Automaton has 1544 states and 2058 transitions. Word has length 156 [2022-11-03 02:50:26,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:26,458 INFO L495 AbstractCegarLoop]: Abstraction has 1544 states and 2058 transitions. [2022-11-03 02:50:26,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 02:50:26,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 2058 transitions. [2022-11-03 02:50:26,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-03 02:50:26,462 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:26,462 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:50:26,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:50:26,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:50:26,677 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:50:26,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:26,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1201068929, now seen corresponding path program 1 times [2022-11-03 02:50:26,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:50:26,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185437520] [2022-11-03 02:50:26,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:26,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:50:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:27,122 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2022-11-03 02:50:27,123 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:50:27,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185437520] [2022-11-03 02:50:27,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185437520] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:50:27,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:50:27,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:50:27,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296723836] [2022-11-03 02:50:27,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:50:27,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 02:50:27,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:50:27,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 02:50:27,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:50:27,125 INFO L87 Difference]: Start difference. First operand 1544 states and 2058 transitions. Second operand has 9 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-03 02:50:29,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:33,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:37,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:37,430 INFO L93 Difference]: Finished difference Result 1916 states and 2528 transitions. [2022-11-03 02:50:37,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:50:37,431 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) Word has length 166 [2022-11-03 02:50:37,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:37,435 INFO L225 Difference]: With dead ends: 1916 [2022-11-03 02:50:37,435 INFO L226 Difference]: Without dead ends: 1604 [2022-11-03 02:50:37,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:50:37,437 INFO L413 NwaCegarLoop]: 965 mSDtfsCounter, 18 mSDsluCounter, 7866 mSDsCounter, 0 mSdLazyCounter, 1375 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 7680 SdHoareTripleChecker+Invalid, 1378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1375 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:37,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 7680 Invalid, 1378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1375 Invalid, 1 Unknown, 0 Unchecked, 10.0s Time] [2022-11-03 02:50:37,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2022-11-03 02:50:37,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1560. [2022-11-03 02:50:37,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1560 states, 903 states have (on average 1.204872646733112) internal successors, (1088), 931 states have internal predecessors, (1088), 479 states have call successors, (479), 169 states have call predecessors, (479), 173 states have return successors, (517), 478 states have call predecessors, (517), 477 states have call successors, (517) [2022-11-03 02:50:37,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1560 states and 2084 transitions. [2022-11-03 02:50:37,660 INFO L78 Accepts]: Start accepts. Automaton has 1560 states and 2084 transitions. Word has length 166 [2022-11-03 02:50:37,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:37,661 INFO L495 AbstractCegarLoop]: Abstraction has 1560 states and 2084 transitions. [2022-11-03 02:50:37,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-03 02:50:37,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1560 states and 2084 transitions. [2022-11-03 02:50:37,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-03 02:50:37,665 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:37,665 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:50:37,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-03 02:50:37,665 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:50:37,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:37,666 INFO L85 PathProgramCache]: Analyzing trace with hash 487496353, now seen corresponding path program 1 times [2022-11-03 02:50:37,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:50:37,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853838189] [2022-11-03 02:50:37,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:37,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:50:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:38,183 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2022-11-03 02:50:38,184 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:50:38,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853838189] [2022-11-03 02:50:38,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853838189] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:50:38,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:50:38,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:50:38,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288771990] [2022-11-03 02:50:38,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:50:38,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 02:50:38,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:50:38,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 02:50:38,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:50:38,186 INFO L87 Difference]: Start difference. First operand 1560 states and 2084 transitions. Second operand has 9 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 3 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-03 02:50:40,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:42,524 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 02:50:47,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:47,109 INFO L93 Difference]: Finished difference Result 1948 states and 2574 transitions. [2022-11-03 02:50:47,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:50:47,110 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 3 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) Word has length 171 [2022-11-03 02:50:47,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:47,116 INFO L225 Difference]: With dead ends: 1948 [2022-11-03 02:50:47,116 INFO L226 Difference]: Without dead ends: 1620 [2022-11-03 02:50:47,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:50:47,118 INFO L413 NwaCegarLoop]: 964 mSDtfsCounter, 17 mSDsluCounter, 7863 mSDsCounter, 0 mSdLazyCounter, 1386 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 7669 SdHoareTripleChecker+Invalid, 1389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1386 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:47,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 7669 Invalid, 1389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1386 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2022-11-03 02:50:47,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2022-11-03 02:50:47,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1562. [2022-11-03 02:50:47,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1562 states, 905 states have (on average 1.2044198895027625) internal successors, (1090), 933 states have internal predecessors, (1090), 479 states have call successors, (479), 169 states have call predecessors, (479), 173 states have return successors, (517), 478 states have call predecessors, (517), 477 states have call successors, (517) [2022-11-03 02:50:47,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 2086 transitions. [2022-11-03 02:50:47,379 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 2086 transitions. Word has length 171 [2022-11-03 02:50:47,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:47,380 INFO L495 AbstractCegarLoop]: Abstraction has 1562 states and 2086 transitions. [2022-11-03 02:50:47,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 3 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-03 02:50:47,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 2086 transitions. [2022-11-03 02:50:47,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-11-03 02:50:47,386 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:47,386 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 9, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:50:47,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-03 02:50:47,386 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:50:47,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:47,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1178077022, now seen corresponding path program 1 times [2022-11-03 02:50:47,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:50:47,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962643737] [2022-11-03 02:50:47,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:47,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:50:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:48,323 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2022-11-03 02:50:48,323 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:50:48,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962643737] [2022-11-03 02:50:48,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962643737] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:50:48,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178915547] [2022-11-03 02:50:48,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:48,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:50:48,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:50:48,325 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:50:48,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 02:50:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:49,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 2755 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-03 02:50:49,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:50:49,506 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2022-11-03 02:50:49,506 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:50:49,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178915547] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:50:49,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:50:49,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [7] total 17 [2022-11-03 02:50:49,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760823795] [2022-11-03 02:50:49,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:50:49,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 02:50:49,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:50:49,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 02:50:49,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:50:49,509 INFO L87 Difference]: Start difference. First operand 1562 states and 2086 transitions. Second operand has 12 states, 9 states have (on average 10.0) internal successors, (90), 10 states have internal predecessors, (90), 6 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (41), 7 states have call predecessors, (41), 6 states have call successors, (41) [2022-11-03 02:50:52,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:55,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:03,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:51:03,180 INFO L93 Difference]: Finished difference Result 3187 states and 4280 transitions. [2022-11-03 02:51:03,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-03 02:51:03,186 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 10.0) internal successors, (90), 10 states have internal predecessors, (90), 6 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (41), 7 states have call predecessors, (41), 6 states have call successors, (41) Word has length 236 [2022-11-03 02:51:03,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:51:03,193 INFO L225 Difference]: With dead ends: 3187 [2022-11-03 02:51:03,193 INFO L226 Difference]: Without dead ends: 1737 [2022-11-03 02:51:03,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2022-11-03 02:51:03,200 INFO L413 NwaCegarLoop]: 995 mSDtfsCounter, 133 mSDsluCounter, 11366 mSDsCounter, 0 mSdLazyCounter, 2311 mSolverCounterSat, 97 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 10698 SdHoareTripleChecker+Invalid, 2409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 2311 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:51:03,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 10698 Invalid, 2409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 2311 Invalid, 1 Unknown, 0 Unchecked, 13.2s Time] [2022-11-03 02:51:03,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1737 states. [2022-11-03 02:51:03,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1737 to 1590. [2022-11-03 02:51:03,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1590 states, 923 states have (on average 1.200433369447454) internal successors, (1108), 951 states have internal predecessors, (1108), 487 states have call successors, (487), 169 states have call predecessors, (487), 175 states have return successors, (529), 488 states have call predecessors, (529), 485 states have call successors, (529) [2022-11-03 02:51:03,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1590 states to 1590 states and 2124 transitions. [2022-11-03 02:51:03,526 INFO L78 Accepts]: Start accepts. Automaton has 1590 states and 2124 transitions. Word has length 236 [2022-11-03 02:51:03,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:51:03,527 INFO L495 AbstractCegarLoop]: Abstraction has 1590 states and 2124 transitions. [2022-11-03 02:51:03,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 10.0) internal successors, (90), 10 states have internal predecessors, (90), 6 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (41), 7 states have call predecessors, (41), 6 states have call successors, (41) [2022-11-03 02:51:03,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 2124 transitions. [2022-11-03 02:51:03,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-03 02:51:03,531 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:51:03,531 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:51:03,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 02:51:03,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-11-03 02:51:03,745 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:51:03,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:51:03,745 INFO L85 PathProgramCache]: Analyzing trace with hash -975543939, now seen corresponding path program 1 times [2022-11-03 02:51:03,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:51:03,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413243902] [2022-11-03 02:51:03,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:51:03,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:51:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:51:04,484 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2022-11-03 02:51:04,484 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:51:04,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413243902] [2022-11-03 02:51:04,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413243902] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:51:04,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910731195] [2022-11-03 02:51:04,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:51:04,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:51:04,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:51:04,487 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:51:04,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d33837c-3e81-49a5-bd4b-cee9f809c80b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 02:51:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:51:05,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 2370 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-03 02:51:05,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:51:05,736 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 73 proven. 2 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-11-03 02:51:05,736 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:51:06,237 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2022-11-03 02:51:06,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910731195] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:51:06,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [810101688] [2022-11-03 02:51:06,265 INFO L159 IcfgInterpreter]: Started Sifa with 102 locations of interest [2022-11-03 02:51:06,265 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:51:06,269 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:51:06,274 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:51:06,275 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:51:31,634 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 02:51:31,641 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 02:51:41,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:51:41,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:51:41,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:51:41,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:41,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:51:42,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:42,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:42,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:42,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:51:42,575 INFO L356 Elim1Store]: treesize reduction 60, result has 48.3 percent of original size [2022-11-03 02:51:42,578 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 93 select indices, 93 select index equivalence classes, 2166 disjoint index pairs (out of 4278 index pairs), introduced 93 new quantified variables, introduced 5 case distinctions, treesize of input 4961 treesize of output 4708 [2022-11-03 02:51:43,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:51:43,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:51:43,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:51:43,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:51:43,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:43,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:51:43,908 INFO L356 Elim1Store]: treesize reduction 76, result has 34.5 percent of original size [2022-11-03 02:51:43,910 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 93 select indices, 93 select index equivalence classes, 2166 disjoint index pairs (out of 4278 index pairs), introduced 93 new quantified variables, introduced 5 case distinctions, treesize of input 4921 treesize of output 4652 [2022-11-03 02:51:44,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:51:44,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:51:44,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:44,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:45,136 INFO L356 Elim1Store]: treesize reduction 64, result has 41.3 percent of original size [2022-11-03 02:51:45,137 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 43 select indices, 43 select index equivalence classes, 355 disjoint index pairs (out of 903 index pairs), introduced 43 new quantified variables, introduced 4 case distinctions, treesize of input 4917 treesize of output 4805 [2022-11-03 02:55:54,531 WARN L234 SmtUtils]: Spent 11.13s on a formula simplification. DAG size of input: 1171 DAG size of output: 1171 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:56:47,788 WARN L234 SmtUtils]: Spent 6.16s on a formula simplification. DAG size of input: 1106 DAG size of output: 1106 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:58:30,642 WARN L234 SmtUtils]: Spent 12.46s on a formula simplification that was a NOOP. DAG size: 1201 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:58:42,840 WARN L234 SmtUtils]: Spent 6.07s on a formula simplification that was a NOOP. DAG size: 1194 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)