./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs --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 2780fc0b078cd95366c58e63c05c4168e73cfd193d5f7dd189d6eaa3d38deb42 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:00:02,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:00:02,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:00:02,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:00:02,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:00:02,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:00:02,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:00:02,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:00:02,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:00:02,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:00:02,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:00:02,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:00:02,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:00:02,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:00:02,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:00:02,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:00:02,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:00:02,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:00:02,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:00:02,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:00:02,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:00:02,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:00:02,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:00:02,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:00:02,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:00:02,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:00:02,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:00:02,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:00:02,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:00:02,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:00:02,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:00:02,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:00:02,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:00:02,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:00:02,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:00:02,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:00:02,238 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:00:02,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:00:02,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:00:02,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:00:02,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:00:02,244 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:00:02,291 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:00:02,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:00:02,292 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:00:02,293 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:00:02,293 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:00:02,293 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:00:02,293 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:00:02,293 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:00:02,300 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:00:02,300 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:00:02,301 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:00:02,301 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:00:02,302 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:00:02,302 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:00:02,302 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:00:02,302 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:00:02,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:00:02,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:00:02,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:00:02,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:00:02,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:00:02,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:00:02,304 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:00:02,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:00:02,305 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:00:02,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:00:02,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:00:02,305 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:00:02,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:00:02,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:00:02,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:00:02,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:00:02,308 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:00:02,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:00:02,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:00:02,308 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:00:02,308 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:00:02,309 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2780fc0b078cd95366c58e63c05c4168e73cfd193d5f7dd189d6eaa3d38deb42 [2021-11-19 14:00:02,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:00:02,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:00:02,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:00:02,583 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:00:02,584 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:00:02,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i [2021-11-19 14:00:02,665 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/data/eb24417bc/ef3d2401dba34591be5b127ec5d7e364/FLAGebb2c55bd [2021-11-19 14:00:03,788 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:00:03,788 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i [2021-11-19 14:00:03,896 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/data/eb24417bc/ef3d2401dba34591be5b127ec5d7e364/FLAGebb2c55bd [2021-11-19 14:00:03,978 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/data/eb24417bc/ef3d2401dba34591be5b127ec5d7e364 [2021-11-19 14:00:03,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:00:03,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:00:03,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:00:03,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:00:03,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:00:03,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:00:03" (1/1) ... [2021-11-19 14:00:03,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@187f38af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:03, skipping insertion in model container [2021-11-19 14:00:03,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:00:03" (1/1) ... [2021-11-19 14:00:04,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:00:04,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:00:05,826 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:05,828 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:08,553 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:08,629 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:08,710 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:08,710 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:08,712 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:08,720 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:08,721 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:09,051 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:09,998 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:09,999 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,000 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,000 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,001 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,001 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,001 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,003 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,012 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,013 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,013 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,014 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,014 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,014 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,015 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,016 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,045 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,045 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,046 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,047 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,072 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,088 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,498 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i[595361,595374] [2021-11-19 14:00:10,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i[595527,595540] [2021-11-19 14:00:10,502 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i[595691,595704] [2021-11-19 14:00:10,502 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i[595856,595869] [2021-11-19 14:00:10,536 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:00:10,642 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 14:00:10,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f3ae6ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:10, skipping insertion in model container [2021-11-19 14:00:10,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:00:10,644 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:00:10,646 INFO L158 Benchmark]: Toolchain (without parser) took 6661.75ms. Allocated memory was 98.6MB in the beginning and 209.7MB in the end (delta: 111.1MB). Free memory was 63.1MB in the beginning and 144.5MB in the end (delta: -81.5MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. [2021-11-19 14:00:10,647 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory was 74.8MB in the beginning and 74.8MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:00:10,649 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6658.25ms. Allocated memory was 98.6MB in the beginning and 209.7MB in the end (delta: 111.1MB). Free memory was 63.1MB in the beginning and 144.5MB in the end (delta: -81.5MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. [2021-11-19 14:00:10,651 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory was 74.8MB in the beginning and 74.8MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6658.25ms. Allocated memory was 98.6MB in the beginning and 209.7MB in the end (delta: 111.1MB). Free memory was 63.1MB in the beginning and 144.5MB in the end (delta: -81.5MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6875]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs --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 2780fc0b078cd95366c58e63c05c4168e73cfd193d5f7dd189d6eaa3d38deb42 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:00:12,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:00:12,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:00:12,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:00:12,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:00:12,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:00:12,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:00:12,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:00:12,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:00:12,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:00:12,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:00:12,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:00:12,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:00:12,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:00:12,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:00:12,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:00:12,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:00:12,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:00:12,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:00:12,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:00:12,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:00:12,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:00:12,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:00:12,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:00:12,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:00:12,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:00:12,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:00:12,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:00:12,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:00:12,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:00:12,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:00:12,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:00:12,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:00:12,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:00:12,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:00:12,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:00:12,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:00:12,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:00:12,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:00:12,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:00:12,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:00:12,962 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:00:13,007 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:00:13,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:00:13,009 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:00:13,009 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:00:13,009 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:00:13,010 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:00:13,010 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:00:13,010 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:00:13,010 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:00:13,011 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:00:13,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:00:13,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:00:13,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:00:13,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:00:13,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:00:13,014 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:00:13,014 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:00:13,015 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:00:13,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:00:13,015 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:00:13,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:00:13,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:00:13,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:00:13,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:00:13,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:00:13,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:00:13,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:00:13,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:00:13,017 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:00:13,017 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:00:13,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:00:13,018 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:00:13,018 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:00:13,018 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2780fc0b078cd95366c58e63c05c4168e73cfd193d5f7dd189d6eaa3d38deb42 [2021-11-19 14:00:13,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:00:13,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:00:13,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:00:13,429 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:00:13,439 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:00:13,440 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i [2021-11-19 14:00:13,502 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/data/aac811cb3/53632f3fd8d84e4b8dbaabfc055f6f6b/FLAG8ac20d55a [2021-11-19 14:00:14,519 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:00:14,520 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i [2021-11-19 14:00:14,591 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/data/aac811cb3/53632f3fd8d84e4b8dbaabfc055f6f6b/FLAG8ac20d55a [2021-11-19 14:00:14,830 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/data/aac811cb3/53632f3fd8d84e4b8dbaabfc055f6f6b [2021-11-19 14:00:14,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:00:14,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:00:14,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:00:14,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:00:14,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:00:14,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:00:14" (1/1) ... [2021-11-19 14:00:14,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4f482d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:14, skipping insertion in model container [2021-11-19 14:00:14,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:00:14" (1/1) ... [2021-11-19 14:00:14,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:00:15,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:00:20,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i[595361,595374] [2021-11-19 14:00:20,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i[595527,595540] [2021-11-19 14:00:20,244 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i[595691,595704] [2021-11-19 14:00:20,244 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i[595856,595869] [2021-11-19 14:00:20,276 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:00:20,360 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:00:20,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:00:20,980 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_a27c0288-09b2-4eef-9971-d38d91a495a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i[595361,595374] [2021-11-19 14:00:20,981 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_a27c0288-09b2-4eef-9971-d38d91a495a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i[595527,595540] [2021-11-19 14:00:20,981 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_a27c0288-09b2-4eef-9971-d38d91a495a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i[595691,595704] [2021-11-19 14:00:20,982 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_a27c0288-09b2-4eef-9971-d38d91a495a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i[595856,595869] [2021-11-19 14:00:20,990 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:00:21,055 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:00:21,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i[595361,595374] [2021-11-19 14:00:21,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i[595527,595540] [2021-11-19 14:00:21,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i[595691,595704] [2021-11-19 14:00:21,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i[595856,595869] [2021-11-19 14:00:21,841 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:00:22,348 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:00:22,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:22 WrapperNode [2021-11-19 14:00:22,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:00:22,354 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:00:22,354 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:00:22,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:00:22,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:22" (1/1) ... [2021-11-19 14:00:22,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:22" (1/1) ... [2021-11-19 14:00:22,860 INFO L137 Inliner]: procedures = 570, calls = 6825, calls flagged for inlining = 203, calls inlined = 188, statements flattened = 10208 [2021-11-19 14:00:22,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:00:22,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:00:22,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:00:22,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:00:22,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:22" (1/1) ... [2021-11-19 14:00:22,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:22" (1/1) ... [2021-11-19 14:00:22,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:22" (1/1) ... [2021-11-19 14:00:22,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:22" (1/1) ... [2021-11-19 14:00:23,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:22" (1/1) ... [2021-11-19 14:00:23,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:22" (1/1) ... [2021-11-19 14:00:23,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:22" (1/1) ... [2021-11-19 14:00:23,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:00:23,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:00:23,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:00:23,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:00:23,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:22" (1/1) ... [2021-11-19 14:00:23,618 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:00:23,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:00:23,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:00:23,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:00:23,698 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1295 [2021-11-19 14:00:23,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1295 [2021-11-19 14:00:23,699 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_desc_write [2021-11-19 14:00:23,699 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_desc_write [2021-11-19 14:00:23,699 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1293 [2021-11-19 14:00:23,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1293 [2021-11-19 14:00:23,699 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1298 [2021-11-19 14:00:23,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1298 [2021-11-19 14:00:23,700 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1296 [2021-11-19 14:00:23,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1296 [2021-11-19 14:00:23,700 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-19 14:00:23,700 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-19 14:00:23,701 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_conf_tx [2021-11-19 14:00:23,701 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_conf_tx [2021-11-19 14:00:23,702 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_kick_queue [2021-11-19 14:00:23,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_kick_queue [2021-11-19 14:00:23,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:00:23,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:00:23,702 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_eeprom_addr [2021-11-19 14:00:23,703 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_eeprom_addr [2021-11-19 14:00:23,703 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_config_filter [2021-11-19 14:00:23,703 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_config_filter [2021-11-19 14:00:23,704 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_get_stats [2021-11-19 14:00:23,704 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_get_stats [2021-11-19 14:00:23,704 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1093 [2021-11-19 14:00:23,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1093 [2021-11-19 14:00:23,705 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1091 [2021-11-19 14:00:23,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1091 [2021-11-19 14:00:23,705 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_sw_scan_start [2021-11-19 14:00:23,705 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_sw_scan_start [2021-11-19 14:00:23,706 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1097 [2021-11-19 14:00:23,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1097 [2021-11-19 14:00:23,706 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1095 [2021-11-19 14:00:23,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1095 [2021-11-19 14:00:23,706 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_806 [2021-11-19 14:00:23,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_806 [2021-11-19 14:00:23,707 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_807 [2021-11-19 14:00:23,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_807 [2021-11-19 14:00:23,707 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1099 [2021-11-19 14:00:23,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1099 [2021-11-19 14:00:23,708 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_805 [2021-11-19 14:00:23,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_805 [2021-11-19 14:00:23,709 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_811 [2021-11-19 14:00:23,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_811 [2021-11-19 14:00:23,710 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_812 [2021-11-19 14:00:23,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_812 [2021-11-19 14:00:23,710 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_register_write [2021-11-19 14:00:23,710 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_register_write [2021-11-19 14:00:23,710 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_uninitialize [2021-11-19 14:00:23,711 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_uninitialize [2021-11-19 14:00:23,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 14:00:23,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 14:00:23,712 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_817 [2021-11-19 14:00:23,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_817 [2021-11-19 14:00:23,712 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1089 [2021-11-19 14:00:23,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1089 [2021-11-19 14:00:23,712 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_818 [2021-11-19 14:00:23,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_818 [2021-11-19 14:00:23,713 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_819 [2021-11-19 14:00:23,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_819 [2021-11-19 14:00:23,713 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_813 [2021-11-19 14:00:23,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_813 [2021-11-19 14:00:23,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 14:00:23,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 14:00:23,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-19 14:00:23,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-19 14:00:23,714 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_820 [2021-11-19 14:00:23,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_820 [2021-11-19 14:00:23,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_csr_mutex_of_rt2x00_dev [2021-11-19 14:00:23,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_csr_mutex_of_rt2x00_dev [2021-11-19 14:00:23,715 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_702 [2021-11-19 14:00:23,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_702 [2021-11-19 14:00:23,715 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_tx_frames_pending [2021-11-19 14:00:23,716 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_tx_frames_pending [2021-11-19 14:00:23,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:00:23,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 14:00:23,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:00:23,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:00:23,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:00:23,717 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2021-11-19 14:00:23,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2021-11-19 14:00:23,718 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_probe_hw [2021-11-19 14:00:23,719 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_probe_hw [2021-11-19 14:00:23,719 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_watchdog [2021-11-19 14:00:23,719 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_watchdog [2021-11-19 14:00:23,719 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_flush [2021-11-19 14:00:23,719 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_flush [2021-11-19 14:00:23,719 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_vendor_request_sw [2021-11-19 14:00:23,720 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_vendor_request_sw [2021-11-19 14:00:23,720 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_bss_info_changed [2021-11-19 14:00:23,720 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_bss_info_changed [2021-11-19 14:00:23,720 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_get_tx_data_len [2021-11-19 14:00:23,720 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_get_tx_data_len [2021-11-19 14:00:23,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 14:00:23,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 14:00:23,721 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_queue_init [2021-11-19 14:00:23,721 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_queue_init [2021-11-19 14:00:23,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 14:00:23,721 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 14:00:23,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 14:00:23,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 14:00:23,722 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_187 [2021-11-19 14:00:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_187 [2021-11-19 14:00:23,724 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_186 [2021-11-19 14:00:23,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_186 [2021-11-19 14:00:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_159 [2021-11-19 14:00:23,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_159 [2021-11-19 14:00:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_stop_queue [2021-11-19 14:00:23,728 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_stop_queue [2021-11-19 14:00:23,729 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_start_queue [2021-11-19 14:00:23,729 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_start_queue [2021-11-19 14:00:23,730 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_rf [2021-11-19 14:00:23,731 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_rf [2021-11-19 14:00:23,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:00:23,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 14:00:23,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 14:00:23,737 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_set_device_state [2021-11-19 14:00:23,737 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_set_device_state [2021-11-19 14:00:23,738 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_161 [2021-11-19 14:00:23,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_161 [2021-11-19 14:00:23,738 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_160 [2021-11-19 14:00:23,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_160 [2021-11-19 14:00:23,738 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_283 [2021-11-19 14:00:23,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_283 [2021-11-19 14:00:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:00:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 14:00:23,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 14:00:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 14:00:23,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 14:00:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:00:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_link_stats [2021-11-19 14:00:23,740 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_link_stats [2021-11-19 14:00:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:00:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:00:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:00:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_fill_rxdone [2021-11-19 14:00:23,740 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_fill_rxdone [2021-11-19 14:00:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure _rt2x00_desc_write [2021-11-19 14:00:23,741 INFO L138 BoogieDeclarations]: Found implementation of procedure _rt2x00_desc_write [2021-11-19 14:00:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_tx [2021-11-19 14:00:23,741 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_tx [2021-11-19 14:00:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_195 [2021-11-19 14:00:23,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_195 [2021-11-19 14:00:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_disconnect [2021-11-19 14:00:23,742 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_disconnect [2021-11-19 14:00:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:00:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_add_interface [2021-11-19 14:00:23,742 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_add_interface [2021-11-19 14:00:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:00:23,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:00:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_set_tim [2021-11-19 14:00:23,744 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_set_tim [2021-11-19 14:00:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_bbp_write [2021-11-19 14:00:23,744 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_bbp_write [2021-11-19 14:00:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:00:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_clear_entry [2021-11-19 14:00:23,744 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_clear_entry [2021-11-19 14:00:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_213 [2021-11-19 14:00:23,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_213 [2021-11-19 14:00:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:00:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_config_ant [2021-11-19 14:00:23,745 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_config_ant [2021-11-19 14:00:23,746 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_218 [2021-11-19 14:00:23,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_218 [2021-11-19 14:00:23,746 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_217 [2021-11-19 14:00:23,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_217 [2021-11-19 14:00:23,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:00:23,746 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_576 [2021-11-19 14:00:23,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_576 [2021-11-19 14:00:23,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:00:23,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 14:00:23,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:00:23,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:00:23,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:00:23,747 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_572 [2021-11-19 14:00:23,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_572 [2021-11-19 14:00:23,748 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_resume [2021-11-19 14:00:23,748 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_resume [2021-11-19 14:00:23,748 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_stop [2021-11-19 14:00:23,748 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_stop [2021-11-19 14:00:23,748 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_219 [2021-11-19 14:00:23,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_219 [2021-11-19 14:00:23,749 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_set_key [2021-11-19 14:00:23,749 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_set_key [2021-11-19 14:00:23,749 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_585 [2021-11-19 14:00:23,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_585 [2021-11-19 14:00:23,749 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_586 [2021-11-19 14:00:23,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_586 [2021-11-19 14:00:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_465 [2021-11-19 14:00:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_465 [2021-11-19 14:00:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_register_multiwrite [2021-11-19 14:00:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_register_multiwrite [2021-11-19 14:00:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_467 [2021-11-19 14:00:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_467 [2021-11-19 14:00:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_584 [2021-11-19 14:00:23,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_584 [2021-11-19 14:00:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_220 [2021-11-19 14:00:23,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_220 [2021-11-19 14:00:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-19 14:00:23,751 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-19 14:00:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_549 [2021-11-19 14:00:23,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_549 [2021-11-19 14:00:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_798 [2021-11-19 14:00:23,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_798 [2021-11-19 14:00:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_436 [2021-11-19 14:00:23,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_436 [2021-11-19 14:00:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_558 [2021-11-19 14:00:23,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_558 [2021-11-19 14:00:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-19 14:00:23,753 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-19 14:00:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_559 [2021-11-19 14:00:23,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_559 [2021-11-19 14:00:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_438 [2021-11-19 14:00:23,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_438 [2021-11-19 14:00:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_552 [2021-11-19 14:00:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_552 [2021-11-19 14:00:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_553 [2021-11-19 14:00:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_553 [2021-11-19 14:00:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_554 [2021-11-19 14:00:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_554 [2021-11-19 14:00:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1506 [2021-11-19 14:00:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1506 [2021-11-19 14:00:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_434 [2021-11-19 14:00:23,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_434 [2021-11-19 14:00:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure _rt2x00_desc_read [2021-11-19 14:00:23,755 INFO L138 BoogieDeclarations]: Found implementation of procedure _rt2x00_desc_read [2021-11-19 14:00:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_vendor_req_buff_lock [2021-11-19 14:00:23,755 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_vendor_req_buff_lock [2021-11-19 14:00:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_446 [2021-11-19 14:00:23,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_446 [2021-11-19 14:00:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_447 [2021-11-19 14:00:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_447 [2021-11-19 14:00:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_569 [2021-11-19 14:00:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_569 [2021-11-19 14:00:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_443 [2021-11-19 14:00:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_443 [2021-11-19 14:00:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_444 [2021-11-19 14:00:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_444 [2021-11-19 14:00:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_560 [2021-11-19 14:00:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_560 [2021-11-19 14:00:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_flush_queue [2021-11-19 14:00:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_flush_queue [2021-11-19 14:00:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_440 [2021-11-19 14:00:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_440 [2021-11-19 14:00:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_init_led [2021-11-19 14:00:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_init_led [2021-11-19 14:00:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_remove_interface [2021-11-19 14:00:23,765 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_remove_interface [2021-11-19 14:00:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:00:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1411 [2021-11-19 14:00:23,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1411 [2021-11-19 14:00:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1527 [2021-11-19 14:00:23,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1527 [2021-11-19 14:00:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1406 [2021-11-19 14:00:23,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1406 [2021-11-19 14:00:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_initialize [2021-11-19 14:00:23,766 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_initialize [2021-11-19 14:00:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1407 [2021-11-19 14:00:23,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1407 [2021-11-19 14:00:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_374 [2021-11-19 14:00:23,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_374 [2021-11-19 14:00:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_config_key [2021-11-19 14:00:23,767 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_config_key [2021-11-19 14:00:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:00:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_regbusy_read [2021-11-19 14:00:23,767 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_regbusy_read [2021-11-19 14:00:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1519 [2021-11-19 14:00:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1519 [2021-11-19 14:00:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_vendor_request [2021-11-19 14:00:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_vendor_request [2021-11-19 14:00:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:00:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:00:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_csr_mutex_of_rt2x00_dev [2021-11-19 14:00:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_csr_mutex_of_rt2x00_dev [2021-11-19 14:00:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:00:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:00:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1792 [2021-11-19 14:00:23,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1792 [2021-11-19 14:00:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1434 [2021-11-19 14:00:23,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1434 [2021-11-19 14:00:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1433 [2021-11-19 14:00:23,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1433 [2021-11-19 14:00:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1426 [2021-11-19 14:00:23,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1426 [2021-11-19 14:00:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1425 [2021-11-19 14:00:23,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1425 [2021-11-19 14:00:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_config [2021-11-19 14:00:23,771 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_config [2021-11-19 14:00:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_478 [2021-11-19 14:00:23,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_478 [2021-11-19 14:00:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_592 [2021-11-19 14:00:23,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_592 [2021-11-19 14:00:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure get_skb_frame_desc [2021-11-19 14:00:23,771 INFO L138 BoogieDeclarations]: Found implementation of procedure get_skb_frame_desc [2021-11-19 14:00:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_594 [2021-11-19 14:00:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_594 [2021-11-19 14:00:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_595 [2021-11-19 14:00:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_595 [2021-11-19 14:00:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_474 [2021-11-19 14:00:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_474 [2021-11-19 14:00:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 14:00:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 14:00:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_register_read [2021-11-19 14:00:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_register_read [2021-11-19 14:00:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1302 [2021-11-19 14:00:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1302 [2021-11-19 14:00:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1417 [2021-11-19 14:00:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1417 [2021-11-19 14:00:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1418 [2021-11-19 14:00:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1418 [2021-11-19 14:00:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_368 [2021-11-19 14:00:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_368 [2021-11-19 14:00:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_start [2021-11-19 14:00:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_start [2021-11-19 14:00:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_rf_read [2021-11-19 14:00:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_rf_read [2021-11-19 14:00:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_configure_filter [2021-11-19 14:00:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_configure_filter [2021-11-19 14:00:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_967 [2021-11-19 14:00:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_967 [2021-11-19 14:00:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_846 [2021-11-19 14:00:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_846 [2021-11-19 14:00:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_get_antenna [2021-11-19 14:00:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_get_antenna [2021-11-19 14:00:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_847 [2021-11-19 14:00:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_847 [2021-11-19 14:00:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_726 [2021-11-19 14:00:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_726 [2021-11-19 14:00:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_848 [2021-11-19 14:00:23,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_848 [2021-11-19 14:00:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1206 [2021-11-19 14:00:23,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1206 [2021-11-19 14:00:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_730 [2021-11-19 14:00:23,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_730 [2021-11-19 14:00:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_610 [2021-11-19 14:00:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_610 [2021-11-19 14:00:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-19 14:00:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-19 14:00:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_eeprom_write [2021-11-19 14:00:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_eeprom_write [2021-11-19 14:00:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1442 [2021-11-19 14:00:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1442 [2021-11-19 14:00:23,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_2_4 [2021-11-19 14:00:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_2_4 [2021-11-19 14:00:23,779 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1441 [2021-11-19 14:00:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1441 [2021-11-19 14:00:23,779 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1204 [2021-11-19 14:00:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1204 [2021-11-19 14:00:23,780 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1203 [2021-11-19 14:00:23,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1203 [2021-11-19 14:00:23,780 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_858 [2021-11-19 14:00:23,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_858 [2021-11-19 14:00:23,780 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_859 [2021-11-19 14:00:23,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_859 [2021-11-19 14:00:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_865 [2021-11-19 14:00:23,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_865 [2021-11-19 14:00:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_860 [2021-11-19 14:00:23,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_860 [2021-11-19 14:00:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:00:23,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:00:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_500 [2021-11-19 14:00:23,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_500 [2021-11-19 14:00:23,782 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 14:00:23,782 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 14:00:23,782 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_write_beacon [2021-11-19 14:00:23,782 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_write_beacon [2021-11-19 14:00:23,782 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_register_write_lock [2021-11-19 14:00:23,783 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_register_write_lock [2021-11-19 14:00:23,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-19 14:00:23,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-19 14:00:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_set_antenna [2021-11-19 14:00:23,784 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_set_antenna [2021-11-19 14:00:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_708 [2021-11-19 14:00:23,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_708 [2021-11-19 14:00:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1110 [2021-11-19 14:00:23,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1110 [2021-11-19 14:00:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_init_registers [2021-11-19 14:00:23,789 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_init_registers [2021-11-19 14:00:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1358 [2021-11-19 14:00:23,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1358 [2021-11-19 14:00:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_824 [2021-11-19 14:00:23,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_824 [2021-11-19 14:00:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1115 [2021-11-19 14:00:23,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1115 [2021-11-19 14:00:23,790 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_825 [2021-11-19 14:00:23,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_825 [2021-11-19 14:00:23,790 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1114 [2021-11-19 14:00:23,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1114 [2021-11-19 14:00:23,790 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_826 [2021-11-19 14:00:23,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_826 [2021-11-19 14:00:23,790 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_827 [2021-11-19 14:00:23,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_827 [2021-11-19 14:00:23,791 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1109 [2021-11-19 14:00:23,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1109 [2021-11-19 14:00:23,791 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_831 [2021-11-19 14:00:23,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_831 [2021-11-19 14:00:23,791 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1108 [2021-11-19 14:00:23,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1108 [2021-11-19 14:00:23,792 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_832 [2021-11-19 14:00:23,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_832 [2021-11-19 14:00:23,792 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1107 [2021-11-19 14:00:23,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1107 [2021-11-19 14:00:23,792 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_833 [2021-11-19 14:00:23,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_833 [2021-11-19 14:00:23,793 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_834 [2021-11-19 14:00:23,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_834 [2021-11-19 14:00:23,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:00:23,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:00:23,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:00:23,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:00:23,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:00:23,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:00:23,794 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_reset_tuner [2021-11-19 14:00:23,794 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_reset_tuner [2021-11-19 14:00:23,794 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1464 [2021-11-19 14:00:23,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1464 [2021-11-19 14:00:23,794 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1101 [2021-11-19 14:00:23,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1101 [2021-11-19 14:00:23,795 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_839 [2021-11-19 14:00:23,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_839 [2021-11-19 14:00:23,795 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_718 [2021-11-19 14:00:23,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_718 [2021-11-19 14:00:23,795 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1100 [2021-11-19 14:00:23,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1100 [2021-11-19 14:00:23,796 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_register_read_lock [2021-11-19 14:00:23,796 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_register_read_lock [2021-11-19 14:00:23,796 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1103 [2021-11-19 14:00:23,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1103 [2021-11-19 14:00:23,796 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1102 [2021-11-19 14:00:23,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1102 [2021-11-19 14:00:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_838 [2021-11-19 14:00:23,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_838 [2021-11-19 14:00:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_722 [2021-11-19 14:00:23,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_722 [2021-11-19 14:00:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_966 [2021-11-19 14:00:23,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_966 [2021-11-19 14:00:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_845 [2021-11-19 14:00:23,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_845 [2021-11-19 14:00:23,798 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_840 [2021-11-19 14:00:23,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_840 [2021-11-19 14:00:23,798 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_841 [2021-11-19 14:00:23,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_841 [2021-11-19 14:00:23,798 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_get_ringparam [2021-11-19 14:00:23,798 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_get_ringparam [2021-11-19 14:00:23,799 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_sw_scan_complete [2021-11-19 14:00:23,799 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_sw_scan_complete [2021-11-19 14:00:23,799 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1376 [2021-11-19 14:00:23,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1376 [2021-11-19 14:00:23,799 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1375 [2021-11-19 14:00:23,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1375 [2021-11-19 14:00:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1374 [2021-11-19 14:00:23,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1374 [2021-11-19 14:00:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1017 [2021-11-19 14:00:23,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1017 [2021-11-19 14:00:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1016 [2021-11-19 14:00:23,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1016 [2021-11-19 14:00:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_407 [2021-11-19 14:00:23,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_407 [2021-11-19 14:00:23,801 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_408 [2021-11-19 14:00:23,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_408 [2021-11-19 14:00:23,801 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_write_tx_desc [2021-11-19 14:00:23,801 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_write_tx_desc [2021-11-19 14:00:23,801 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_776 [2021-11-19 14:00:23,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_776 [2021-11-19 14:00:23,802 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_898 [2021-11-19 14:00:23,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_898 [2021-11-19 14:00:23,802 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_777 [2021-11-19 14:00:23,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_777 [2021-11-19 14:00:23,802 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_656 [2021-11-19 14:00:23,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_656 [2021-11-19 14:00:23,802 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_415 [2021-11-19 14:00:23,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_415 [2021-11-19 14:00:23,803 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_658 [2021-11-19 14:00:23,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_658 [2021-11-19 14:00:23,803 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_894 [2021-11-19 14:00:23,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_894 [2021-11-19 14:00:23,803 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_410 [2021-11-19 14:00:23,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_410 [2021-11-19 14:00:23,804 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_775 [2021-11-19 14:00:23,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_775 [2021-11-19 14:00:23,804 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_890 [2021-11-19 14:00:23,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_890 [2021-11-19 14:00:23,804 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_770 [2021-11-19 14:00:23,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_770 [2021-11-19 14:00:23,805 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2021-11-19 14:00:23,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2021-11-19 14:00:23,805 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_config_erp [2021-11-19 14:00:23,805 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_config_erp [2021-11-19 14:00:23,805 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_desc_read [2021-11-19 14:00:23,805 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_desc_read [2021-11-19 14:00:23,805 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-19 14:00:23,806 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-19 14:00:23,806 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1360 [2021-11-19 14:00:23,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1360 [2021-11-19 14:00:23,806 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_enable_radio [2021-11-19 14:00:23,806 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_enable_radio [2021-11-19 14:00:23,806 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_rfkill_poll [2021-11-19 14:00:23,806 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_rfkill_poll [2021-11-19 14:00:23,807 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1365 [2021-11-19 14:00:23,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1365 [2021-11-19 14:00:23,807 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1364 [2021-11-19 14:00:23,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1364 [2021-11-19 14:00:23,807 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1362 [2021-11-19 14:00:23,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1362 [2021-11-19 14:00:23,807 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1489 [2021-11-19 14:00:23,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1489 [2021-11-19 14:00:23,808 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1367 [2021-11-19 14:00:23,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1367 [2021-11-19 14:00:23,808 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1487 [2021-11-19 14:00:23,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1487 [2021-11-19 14:00:23,808 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1366 [2021-11-19 14:00:23,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1366 [2021-11-19 14:00:23,809 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_config_intf [2021-11-19 14:00:23,809 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_config_intf [2021-11-19 14:00:23,809 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1119 [2021-11-19 14:00:23,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1119 [2021-11-19 14:00:23,809 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_bbp_read [2021-11-19 14:00:23,809 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_bbp_read [2021-11-19 14:00:23,809 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_668 [2021-11-19 14:00:23,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_668 [2021-11-19 14:00:23,810 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_547 [2021-11-19 14:00:23,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_547 [2021-11-19 14:00:23,810 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1117 [2021-11-19 14:00:23,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1117 [2021-11-19 14:00:23,810 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_548 [2021-11-19 14:00:23,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_548 [2021-11-19 14:00:23,811 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_664 [2021-11-19 14:00:23,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_664 [2021-11-19 14:00:23,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 14:00:23,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 14:00:23,811 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_661 [2021-11-19 14:00:23,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_661 [2021-11-19 14:00:23,812 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1031 [2021-11-19 14:00:23,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1031 [2021-11-19 14:00:23,812 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1030 [2021-11-19 14:00:23,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1030 [2021-11-19 14:00:23,812 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1392 [2021-11-19 14:00:23,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1392 [2021-11-19 14:00:23,812 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1270 [2021-11-19 14:00:23,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1270 [2021-11-19 14:00:23,813 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1155 [2021-11-19 14:00:23,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1155 [2021-11-19 14:00:23,813 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_868 [2021-11-19 14:00:23,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_868 [2021-11-19 14:00:23,813 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_747 [2021-11-19 14:00:23,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_747 [2021-11-19 14:00:23,814 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_869 [2021-11-19 14:00:23,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_869 [2021-11-19 14:00:23,814 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_754 [2021-11-19 14:00:23,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_754 [2021-11-19 14:00:23,814 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_752 [2021-11-19 14:00:23,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_752 [2021-11-19 14:00:23,814 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_753 [2021-11-19 14:00:23,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_753 [2021-11-19 14:00:23,815 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_511 [2021-11-19 14:00:23,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_511 [2021-11-19 14:00:23,815 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1020 [2021-11-19 14:00:23,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1020 [2021-11-19 14:00:23,815 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_rf_write [2021-11-19 14:00:23,815 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_rf_write [2021-11-19 14:00:23,816 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1266 [2021-11-19 14:00:23,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1266 [2021-11-19 14:00:23,816 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1264 [2021-11-19 14:00:23,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1264 [2021-11-19 14:00:23,816 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1384 [2021-11-19 14:00:23,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1384 [2021-11-19 14:00:23,816 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1269 [2021-11-19 14:00:23,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1269 [2021-11-19 14:00:23,817 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_886 [2021-11-19 14:00:23,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_886 [2021-11-19 14:00:23,817 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1018 [2021-11-19 14:00:23,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1018 [2021-11-19 14:00:23,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 14:00:23,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 14:00:23,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rt2500usb_driver_exit_6_2 [2021-11-19 14:00:23,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rt2500usb_driver_exit_6_2 [2021-11-19 14:00:23,818 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_641 [2021-11-19 14:00:23,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_641 [2021-11-19 14:00:23,818 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_884 [2021-11-19 14:00:23,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_884 [2021-11-19 14:00:23,819 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_eeprom_read [2021-11-19 14:00:23,819 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_eeprom_read [2021-11-19 14:00:23,819 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_885 [2021-11-19 14:00:23,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_885 [2021-11-19 14:00:23,819 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_vendor_request_buff [2021-11-19 14:00:23,819 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_vendor_request_buff [2021-11-19 14:00:23,819 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_880 [2021-11-19 14:00:23,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_880 [2021-11-19 14:00:25,150 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:00:25,156 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:00:34,013 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 14:03:13,488 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 14:03:15,362 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:03:15,403 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:03:15,403 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 14:03:15,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:03:15 BoogieIcfgContainer [2021-11-19 14:03:15,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:03:15,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:03:15,411 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:03:15,414 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:03:15,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:00:14" (1/3) ... [2021-11-19 14:03:15,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73016c8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:03:15, skipping insertion in model container [2021-11-19 14:03:15,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:22" (2/3) ... [2021-11-19 14:03:15,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73016c8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:03:15, skipping insertion in model container [2021-11-19 14:03:15,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:03:15" (3/3) ... [2021-11-19 14:03:15,417 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i [2021-11-19 14:03:15,422 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:03:15,422 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-19 14:03:15,490 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:03:15,497 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 14:03:15,497 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-19 14:03:15,596 INFO L276 IsEmpty]: Start isEmpty. Operand has 3950 states, 2587 states have (on average 1.3428681870892927) internal successors, (3474), 3107 states have internal predecessors, (3474), 1082 states have call successors, (1082), 279 states have call predecessors, (1082), 278 states have return successors, (1076), 1076 states have call predecessors, (1076), 1076 states have call successors, (1076) [2021-11-19 14:03:15,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2021-11-19 14:03:15,638 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:03:15,639 INFO L514 BasicCegarLoop]: trace histogram [63, 63, 62, 62, 62, 62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:03:15,640 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:03:15,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:03:15,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1349244991, now seen corresponding path program 1 times [2021-11-19 14:03:15,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:03:15,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1140862055] [2021-11-19 14:03:15,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:03:15,672 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:03:15,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:03:15,675 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:03:15,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:03:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:03:23,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 5423 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:03:23,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:03:24,802 INFO L134 CoverageAnalysis]: Checked inductivity of 17205 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 17019 trivial. 0 not checked. [2021-11-19 14:03:24,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:03:26,666 INFO L134 CoverageAnalysis]: Checked inductivity of 17205 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17205 trivial. 0 not checked. [2021-11-19 14:03:26,667 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:03:26,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1140862055] [2021-11-19 14:03:26,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1140862055] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:03:26,668 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:03:26,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:03:26,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993330903] [2021-11-19 14:03:26,671 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:03:26,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:03:26,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:03:26,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:03:26,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:03:26,738 INFO L87 Difference]: Start difference. First operand has 3950 states, 2587 states have (on average 1.3428681870892927) internal successors, (3474), 3107 states have internal predecessors, (3474), 1082 states have call successors, (1082), 279 states have call predecessors, (1082), 278 states have return successors, (1076), 1076 states have call predecessors, (1076), 1076 states have call successors, (1076) Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 4 states have call successors, (69), 3 states have call predecessors, (69), 3 states have return successors, (67), 4 states have call predecessors, (67), 4 states have call successors, (67) [2021-11-19 14:03:29,229 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:03:47,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:03:47,805 INFO L93 Difference]: Finished difference Result 15257 states and 22017 transitions. [2021-11-19 14:03:47,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:03:47,809 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 4 states have call successors, (69), 3 states have call predecessors, (69), 3 states have return successors, (67), 4 states have call predecessors, (67), 4 states have call successors, (67) Word has length 710 [2021-11-19 14:03:47,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:03:47,928 INFO L225 Difference]: With dead ends: 15257 [2021-11-19 14:03:47,928 INFO L226 Difference]: Without dead ends: 11416 [2021-11-19 14:03:47,977 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1418 GetRequests, 1416 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:03:47,981 INFO L933 BasicCegarLoop]: 7623 mSDtfsCounter, 14229 mSDsluCounter, 8753 mSDsCounter, 0 mSdLazyCounter, 2182 mSolverCounterSat, 2011 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14229 SdHoareTripleChecker+Valid, 16376 SdHoareTripleChecker+Invalid, 4194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2011 IncrementalHoareTripleChecker+Valid, 2182 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2021-11-19 14:03:47,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14229 Valid, 16376 Invalid, 4194 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2011 Valid, 2182 Invalid, 1 Unknown, 0 Unchecked, 19.9s Time] [2021-11-19 14:03:48,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11416 states. [2021-11-19 14:03:48,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11416 to 11398. [2021-11-19 14:03:48,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11398 states, 7512 states have (on average 1.3463791267305645) internal successors, (10114), 9068 states have internal predecessors, (10114), 3056 states have call successors, (3056), 828 states have call predecessors, (3056), 827 states have return successors, (3052), 3052 states have call predecessors, (3052), 3052 states have call successors, (3052) [2021-11-19 14:03:48,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11398 states to 11398 states and 16222 transitions. [2021-11-19 14:03:48,805 INFO L78 Accepts]: Start accepts. Automaton has 11398 states and 16222 transitions. Word has length 710 [2021-11-19 14:03:48,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:03:48,814 INFO L470 AbstractCegarLoop]: Abstraction has 11398 states and 16222 transitions. [2021-11-19 14:03:48,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 4 states have call successors, (69), 3 states have call predecessors, (69), 3 states have return successors, (67), 4 states have call predecessors, (67), 4 states have call successors, (67) [2021-11-19 14:03:48,816 INFO L276 IsEmpty]: Start isEmpty. Operand 11398 states and 16222 transitions. [2021-11-19 14:03:48,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 737 [2021-11-19 14:03:48,849 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:03:48,851 INFO L514 BasicCegarLoop]: trace histogram [63, 63, 62, 62, 62, 62, 62, 62, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:03:49,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:03:49,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:03:49,073 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:03:49,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:03:49,073 INFO L85 PathProgramCache]: Analyzing trace with hash 434159436, now seen corresponding path program 1 times [2021-11-19 14:03:49,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:03:49,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [625622106] [2021-11-19 14:03:49,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:03:49,083 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:03:49,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:03:49,084 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:03:49,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:03:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:03:56,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 5738 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:03:56,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:03:57,876 INFO L134 CoverageAnalysis]: Checked inductivity of 17208 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 17022 trivial. 0 not checked. [2021-11-19 14:03:57,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:03:59,386 INFO L134 CoverageAnalysis]: Checked inductivity of 17208 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17208 trivial. 0 not checked. [2021-11-19 14:03:59,387 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:03:59,387 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [625622106] [2021-11-19 14:03:59,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [625622106] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:03:59,387 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:03:59,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:03:59,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312402199] [2021-11-19 14:03:59,388 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:03:59,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:03:59,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:03:59,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:03:59,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:03:59,394 INFO L87 Difference]: Start difference. First operand 11398 states and 16222 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (73), 3 states have call predecessors, (73), 3 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) [2021-11-19 14:04:01,778 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:04:03,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:04:03,777 INFO L93 Difference]: Finished difference Result 29454 states and 41854 transitions. [2021-11-19 14:04:03,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:04:03,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (73), 3 states have call predecessors, (73), 3 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) Word has length 736 [2021-11-19 14:04:03,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:04:03,938 INFO L225 Difference]: With dead ends: 29454 [2021-11-19 14:04:03,938 INFO L226 Difference]: Without dead ends: 18185 [2021-11-19 14:04:04,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1470 GetRequests, 1469 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:04:04,014 INFO L933 BasicCegarLoop]: 6538 mSDtfsCounter, 4995 mSDsluCounter, 5425 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4995 SdHoareTripleChecker+Valid, 11963 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:04:04,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4995 Valid, 11963 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 180 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2021-11-19 14:04:04,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18185 states. [2021-11-19 14:04:05,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18185 to 18166. [2021-11-19 14:04:05,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18166 states, 11956 states have (on average 1.3480260956841754) internal successors, (16117), 14551 states have internal predecessors, (16117), 4826 states have call successors, (4826), 1382 states have call predecessors, (4826), 1381 states have return successors, (4822), 4817 states have call predecessors, (4822), 4822 states have call successors, (4822) [2021-11-19 14:04:05,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18166 states to 18166 states and 25765 transitions. [2021-11-19 14:04:05,361 INFO L78 Accepts]: Start accepts. Automaton has 18166 states and 25765 transitions. Word has length 736 [2021-11-19 14:04:05,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:04:05,364 INFO L470 AbstractCegarLoop]: Abstraction has 18166 states and 25765 transitions. [2021-11-19 14:04:05,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (73), 3 states have call predecessors, (73), 3 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) [2021-11-19 14:04:05,364 INFO L276 IsEmpty]: Start isEmpty. Operand 18166 states and 25765 transitions. [2021-11-19 14:04:05,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 738 [2021-11-19 14:04:05,391 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:04:05,392 INFO L514 BasicCegarLoop]: trace histogram [63, 63, 62, 62, 62, 62, 62, 62, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:04:05,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-19 14:04:05,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:04:05,607 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:04:05,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:04:05,608 INFO L85 PathProgramCache]: Analyzing trace with hash 481235294, now seen corresponding path program 1 times [2021-11-19 14:04:05,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:04:05,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1531531527] [2021-11-19 14:04:05,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:04:05,617 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:04:05,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:04:05,618 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:04:05,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:04:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:13,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 5739 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:04:13,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:04:14,901 INFO L134 CoverageAnalysis]: Checked inductivity of 17208 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 17022 trivial. 0 not checked. [2021-11-19 14:04:14,901 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:04:16,488 INFO L134 CoverageAnalysis]: Checked inductivity of 17208 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17208 trivial. 0 not checked. [2021-11-19 14:04:16,489 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:04:16,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1531531527] [2021-11-19 14:04:16,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1531531527] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:04:16,489 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:04:16,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:04:16,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965648989] [2021-11-19 14:04:16,490 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:04:16,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:04:16,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:04:16,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:04:16,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:04:16,493 INFO L87 Difference]: Start difference. First operand 18166 states and 25765 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (73), 3 states have call predecessors, (73), 3 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) [2021-11-19 14:04:18,917 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:04:21,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:04:21,285 INFO L93 Difference]: Finished difference Result 42500 states and 60205 transitions. [2021-11-19 14:04:21,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:04:21,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (73), 3 states have call predecessors, (73), 3 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) Word has length 737 [2021-11-19 14:04:21,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:04:21,428 INFO L225 Difference]: With dead ends: 42500 [2021-11-19 14:04:21,429 INFO L226 Difference]: Without dead ends: 24463 [2021-11-19 14:04:21,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1472 GetRequests, 1471 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:04:21,527 INFO L933 BasicCegarLoop]: 9378 mSDtfsCounter, 4995 mSDsluCounter, 5426 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4995 SdHoareTripleChecker+Valid, 14804 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-19 14:04:21,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4995 Valid, 14804 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 180 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2021-11-19 14:04:21,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24463 states. [2021-11-19 14:04:22,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24463 to 24442. [2021-11-19 14:04:22,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24442 states, 16147 states have (on average 1.3454511673995169) internal successors, (21725), 19563 states have internal predecessors, (21725), 6412 states have call successors, (6412), 1881 states have call predecessors, (6412), 1880 states have return successors, (6408), 6393 states have call predecessors, (6408), 6408 states have call successors, (6408) [2021-11-19 14:04:22,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24442 states to 24442 states and 34545 transitions. [2021-11-19 14:04:22,990 INFO L78 Accepts]: Start accepts. Automaton has 24442 states and 34545 transitions. Word has length 737 [2021-11-19 14:04:22,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:04:22,993 INFO L470 AbstractCegarLoop]: Abstraction has 24442 states and 34545 transitions. [2021-11-19 14:04:22,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (73), 3 states have call predecessors, (73), 3 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) [2021-11-19 14:04:22,993 INFO L276 IsEmpty]: Start isEmpty. Operand 24442 states and 34545 transitions. [2021-11-19 14:04:23,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 765 [2021-11-19 14:04:23,016 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:04:23,017 INFO L514 BasicCegarLoop]: trace histogram [63, 63, 62, 62, 62, 62, 62, 62, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:04:23,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-19 14:04:23,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:04:23,235 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:04:23,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:04:23,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1421480241, now seen corresponding path program 1 times [2021-11-19 14:04:23,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:04:23,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1410793999] [2021-11-19 14:04:23,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:04:23,241 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:04:23,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:04:23,242 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:04:23,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:04:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:30,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 5981 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:04:30,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:04:32,363 INFO L134 CoverageAnalysis]: Checked inductivity of 17223 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 17037 trivial. 0 not checked. [2021-11-19 14:04:32,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:04:34,105 INFO L134 CoverageAnalysis]: Checked inductivity of 17223 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17223 trivial. 0 not checked. [2021-11-19 14:04:34,106 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:04:34,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1410793999] [2021-11-19 14:04:34,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1410793999] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:04:34,106 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:04:34,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:04:34,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356727936] [2021-11-19 14:04:34,107 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:04:34,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:04:34,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:04:34,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:04:34,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:04:34,110 INFO L87 Difference]: Start difference. First operand 24442 states and 34545 transitions. Second operand has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 4 states have call successors, (82), 3 states have call predecessors, (82), 3 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) [2021-11-19 14:04:36,540 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:04:54,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:04:54,213 INFO L93 Difference]: Finished difference Result 93584 states and 132379 transitions. [2021-11-19 14:04:54,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:04:54,214 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 4 states have call successors, (82), 3 states have call predecessors, (82), 3 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) Word has length 764 [2021-11-19 14:04:54,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:04:54,619 INFO L225 Difference]: With dead ends: 93584 [2021-11-19 14:04:54,619 INFO L226 Difference]: Without dead ends: 69271 [2021-11-19 14:04:54,716 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1526 GetRequests, 1524 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:04:54,718 INFO L933 BasicCegarLoop]: 8376 mSDtfsCounter, 13484 mSDsluCounter, 8683 mSDsCounter, 0 mSdLazyCounter, 2206 mSolverCounterSat, 1829 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13484 SdHoareTripleChecker+Valid, 17059 SdHoareTripleChecker+Invalid, 4036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1829 IncrementalHoareTripleChecker+Valid, 2206 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:04:54,720 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13484 Valid, 17059 Invalid, 4036 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1829 Valid, 2206 Invalid, 1 Unknown, 0 Unchecked, 18.0s Time] [2021-11-19 14:04:54,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69271 states. [2021-11-19 14:04:57,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69271 to 69201. [2021-11-19 14:04:57,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69201 states, 45706 states have (on average 1.3488163479630684) internal successors, (61649), 55692 states have internal predecessors, (61649), 18101 states have call successors, (18101), 5392 states have call predecessors, (18101), 5391 states have return successors, (18097), 18010 states have call predecessors, (18097), 18097 states have call successors, (18097) [2021-11-19 14:04:58,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69201 states to 69201 states and 97847 transitions. [2021-11-19 14:04:58,521 INFO L78 Accepts]: Start accepts. Automaton has 69201 states and 97847 transitions. Word has length 764 [2021-11-19 14:04:58,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:04:58,523 INFO L470 AbstractCegarLoop]: Abstraction has 69201 states and 97847 transitions. [2021-11-19 14:04:58,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 4 states have call successors, (82), 3 states have call predecessors, (82), 3 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) [2021-11-19 14:04:58,523 INFO L276 IsEmpty]: Start isEmpty. Operand 69201 states and 97847 transitions. [2021-11-19 14:04:58,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2021-11-19 14:04:58,532 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:04:58,533 INFO L514 BasicCegarLoop]: trace histogram [66, 66, 62, 62, 62, 62, 62, 62, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:04:58,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:04:58,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:04:58,756 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:04:58,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:04:58,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1037096146, now seen corresponding path program 1 times [2021-11-19 14:04:59,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:04:59,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [135235518] [2021-11-19 14:04:59,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:04:59,022 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:04:59,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:04:59,023 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:04:59,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:05:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:05:05,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 5549 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:05:05,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:05:14,166 INFO L134 CoverageAnalysis]: Checked inductivity of 17815 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17815 trivial. 0 not checked. [2021-11-19 14:05:14,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:05:17,669 INFO L134 CoverageAnalysis]: Checked inductivity of 17815 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17815 trivial. 0 not checked. [2021-11-19 14:05:17,669 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:05:17,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [135235518] [2021-11-19 14:05:17,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [135235518] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:05:17,670 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:05:17,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-19 14:05:17,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590452741] [2021-11-19 14:05:17,671 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:05:17,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 14:05:17,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:05:17,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 14:05:17,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:05:17,674 INFO L87 Difference]: Start difference. First operand 69201 states and 97847 transitions. Second operand has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (145), 4 states have call predecessors, (145), 2 states have return successors, (142), 2 states have call predecessors, (142), 2 states have call successors, (142) [2021-11-19 14:05:20,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:05:20,202 INFO L93 Difference]: Finished difference Result 69315 states and 97924 transitions. [2021-11-19 14:05:20,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:05:20,202 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (145), 4 states have call predecessors, (145), 2 states have return successors, (142), 2 states have call predecessors, (142), 2 states have call successors, (142) Word has length 767 [2021-11-19 14:05:20,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:05:20,483 INFO L225 Difference]: With dead ends: 69315 [2021-11-19 14:05:20,484 INFO L226 Difference]: Without dead ends: 69313 [2021-11-19 14:05:20,509 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1535 GetRequests, 1527 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:05:20,510 INFO L933 BasicCegarLoop]: 5598 mSDtfsCounter, 5082 mSDsluCounter, 17068 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5085 SdHoareTripleChecker+Valid, 22666 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:05:20,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5085 Valid, 22666 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 14:05:20,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69313 states. [2021-11-19 14:05:23,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69313 to 69313. [2021-11-19 14:05:23,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69313 states, 45781 states have (on average 1.3482449050916319) internal successors, (61724), 55767 states have internal predecessors, (61724), 18101 states have call successors, (18101), 5429 states have call predecessors, (18101), 5428 states have return successors, (18097), 18010 states have call predecessors, (18097), 18097 states have call successors, (18097) [2021-11-19 14:05:24,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69313 states to 69313 states and 97922 transitions. [2021-11-19 14:05:24,379 INFO L78 Accepts]: Start accepts. Automaton has 69313 states and 97922 transitions. Word has length 767 [2021-11-19 14:05:24,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:05:24,385 INFO L470 AbstractCegarLoop]: Abstraction has 69313 states and 97922 transitions. [2021-11-19 14:05:24,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (145), 4 states have call predecessors, (145), 2 states have return successors, (142), 2 states have call predecessors, (142), 2 states have call successors, (142) [2021-11-19 14:05:24,386 INFO L276 IsEmpty]: Start isEmpty. Operand 69313 states and 97922 transitions. [2021-11-19 14:05:24,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 773 [2021-11-19 14:05:24,413 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:05:24,414 INFO L514 BasicCegarLoop]: trace histogram [66, 66, 62, 62, 62, 62, 62, 62, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:05:24,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 14:05:24,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:05:24,640 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:05:24,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:05:24,641 INFO L85 PathProgramCache]: Analyzing trace with hash 400736490, now seen corresponding path program 1 times [2021-11-19 14:05:24,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:05:24,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [826691123] [2021-11-19 14:05:24,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:05:24,651 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:05:24,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:05:24,652 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:05:24,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 14:05:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:05:31,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 5556 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:05:31,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:05:40,731 INFO L134 CoverageAnalysis]: Checked inductivity of 17817 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 17815 trivial. 0 not checked. [2021-11-19 14:05:40,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:05:44,278 INFO L134 CoverageAnalysis]: Checked inductivity of 17817 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 17815 trivial. 0 not checked. [2021-11-19 14:05:44,278 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:05:44,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [826691123] [2021-11-19 14:05:44,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [826691123] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:05:44,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:05:44,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2021-11-19 14:05:44,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532468227] [2021-11-19 14:05:44,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:05:44,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:05:44,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:05:44,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:05:44,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:05:44,283 INFO L87 Difference]: Start difference. First operand 69313 states and 97922 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (74), 3 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2021-11-19 14:05:47,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:05:47,176 INFO L93 Difference]: Finished difference Result 69319 states and 97927 transitions. [2021-11-19 14:05:47,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:05:47,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (74), 3 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) Word has length 772 [2021-11-19 14:05:47,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:05:47,467 INFO L225 Difference]: With dead ends: 69319 [2021-11-19 14:05:47,467 INFO L226 Difference]: Without dead ends: 69317 [2021-11-19 14:05:47,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1545 GetRequests, 1537 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:05:47,498 INFO L933 BasicCegarLoop]: 5599 mSDtfsCounter, 5437 mSDsluCounter, 11187 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5439 SdHoareTripleChecker+Valid, 16786 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:05:47,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5439 Valid, 16786 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 14:05:47,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69317 states. [2021-11-19 14:05:50,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69317 to 69317. [2021-11-19 14:05:50,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69317 states, 45784 states have (on average 1.3482220863183645) internal successors, (61727), 55770 states have internal predecessors, (61727), 18101 states have call successors, (18101), 5430 states have call predecessors, (18101), 5429 states have return successors, (18097), 18010 states have call predecessors, (18097), 18097 states have call successors, (18097) [2021-11-19 14:05:50,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69317 states to 69317 states and 97925 transitions. [2021-11-19 14:05:51,012 INFO L78 Accepts]: Start accepts. Automaton has 69317 states and 97925 transitions. Word has length 772 [2021-11-19 14:05:51,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:05:51,014 INFO L470 AbstractCegarLoop]: Abstraction has 69317 states and 97925 transitions. [2021-11-19 14:05:51,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (74), 3 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2021-11-19 14:05:51,015 INFO L276 IsEmpty]: Start isEmpty. Operand 69317 states and 97925 transitions. [2021-11-19 14:05:51,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2021-11-19 14:05:51,043 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:05:51,043 INFO L514 BasicCegarLoop]: trace histogram [66, 66, 62, 62, 62, 62, 62, 62, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:05:51,249 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forcibly destroying the process [2021-11-19 14:05:51,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:05:51,250 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:05:51,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:05:51,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1053443182, now seen corresponding path program 1 times [2021-11-19 14:05:51,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:05:51,258 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [84357273] [2021-11-19 14:05:51,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:05:51,259 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:05:51,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:05:51,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 14:05:51,261 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:05:51,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 14:05:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:05:58,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 5563 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:05:58,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:06:06,625 INFO L134 CoverageAnalysis]: Checked inductivity of 17823 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 17819 trivial. 0 not checked. [2021-11-19 14:06:06,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:06:09,585 INFO L134 CoverageAnalysis]: Checked inductivity of 17823 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 17819 trivial. 0 not checked. [2021-11-19 14:06:09,586 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:06:09,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [84357273] [2021-11-19 14:06:09,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [84357273] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:06:09,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:06:09,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2021-11-19 14:06:09,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174624181] [2021-11-19 14:06:09,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:06:09,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:06:09,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:06:09,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:06:09,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:06:09,593 INFO L87 Difference]: Start difference. First operand 69317 states and 97925 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (75), 3 states have call predecessors, (75), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2021-11-19 14:06:12,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:06:12,329 INFO L93 Difference]: Finished difference Result 69323 states and 97930 transitions. [2021-11-19 14:06:12,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:06:12,330 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (75), 3 states have call predecessors, (75), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) Word has length 777 [2021-11-19 14:06:12,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:06:12,654 INFO L225 Difference]: With dead ends: 69323 [2021-11-19 14:06:12,654 INFO L226 Difference]: Without dead ends: 69319 [2021-11-19 14:06:12,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1555 GetRequests, 1547 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:06:12,683 INFO L933 BasicCegarLoop]: 5599 mSDtfsCounter, 5437 mSDsluCounter, 11187 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5438 SdHoareTripleChecker+Valid, 16786 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:06:12,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5438 Valid, 16786 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 14:06:12,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69319 states. [2021-11-19 14:06:15,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69319 to 69319. [2021-11-19 14:06:15,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69319 states, 45786 states have (on average 1.3481850347267723) internal successors, (61728), 55771 states have internal predecessors, (61728), 18101 states have call successors, (18101), 5431 states have call predecessors, (18101), 5429 states have return successors, (18097), 18010 states have call predecessors, (18097), 18097 states have call successors, (18097) [2021-11-19 14:06:15,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69319 states to 69319 states and 97926 transitions. [2021-11-19 14:06:15,912 INFO L78 Accepts]: Start accepts. Automaton has 69319 states and 97926 transitions. Word has length 777 [2021-11-19 14:06:15,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:06:15,913 INFO L470 AbstractCegarLoop]: Abstraction has 69319 states and 97926 transitions. [2021-11-19 14:06:15,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (75), 3 states have call predecessors, (75), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2021-11-19 14:06:15,913 INFO L276 IsEmpty]: Start isEmpty. Operand 69319 states and 97926 transitions. [2021-11-19 14:06:15,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 795 [2021-11-19 14:06:15,923 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:06:15,924 INFO L514 BasicCegarLoop]: trace histogram [66, 66, 62, 62, 62, 62, 62, 62, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:06:16,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-19 14:06:16,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:06:16,128 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:06:16,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:06:16,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1246242943, now seen corresponding path program 1 times [2021-11-19 14:06:16,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:06:16,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [849467853] [2021-11-19 14:06:16,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:06:16,133 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:06:16,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:06:16,134 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:06:16,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-19 14:06:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:06:23,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 5615 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:06:23,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:06:24,814 INFO L134 CoverageAnalysis]: Checked inductivity of 17845 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 17620 trivial. 0 not checked. [2021-11-19 14:06:24,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:06:26,239 INFO L134 CoverageAnalysis]: Checked inductivity of 17845 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17833 trivial. 0 not checked. [2021-11-19 14:06:26,239 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:06:26,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [849467853] [2021-11-19 14:06:26,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [849467853] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:06:26,240 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:06:26,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:06:26,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706698298] [2021-11-19 14:06:26,241 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:06:26,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:06:26,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:06:26,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:06:26,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:06:26,244 INFO L87 Difference]: Start difference. First operand 69319 states and 97926 transitions. Second operand has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 4 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (84), 4 states have call predecessors, (84), 4 states have call successors, (84) [2021-11-19 14:06:28,712 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:06:47,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:06:47,642 INFO L93 Difference]: Finished difference Result 203582 states and 287717 transitions. [2021-11-19 14:06:47,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:06:47,642 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 4 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (84), 4 states have call predecessors, (84), 4 states have call successors, (84) Word has length 794 [2021-11-19 14:06:47,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:06:48,534 INFO L225 Difference]: With dead ends: 203582 [2021-11-19 14:06:48,535 INFO L226 Difference]: Without dead ends: 136115 [2021-11-19 14:06:48,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1586 GetRequests, 1584 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:06:48,749 INFO L933 BasicCegarLoop]: 11902 mSDtfsCounter, 10690 mSDsluCounter, 10091 mSDsCounter, 0 mSdLazyCounter, 2054 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10690 SdHoareTripleChecker+Valid, 21993 SdHoareTripleChecker+Invalid, 2067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2054 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:06:48,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10690 Valid, 21993 Invalid, 2067 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 2054 Invalid, 1 Unknown, 0 Unchecked, 15.6s Time] [2021-11-19 14:06:48,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136115 states. [2021-11-19 14:06:55,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136115 to 136087. [2021-11-19 14:06:55,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136087 states, 89868 states have (on average 1.3485111496862063) internal successors, (121188), 109583 states have internal predecessors, (121188), 35531 states have call successors, (35531), 10687 states have call predecessors, (35531), 10685 states have return successors, (35527), 35408 states have call predecessors, (35527), 35527 states have call successors, (35527) [2021-11-19 14:06:55,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136087 states to 136087 states and 192246 transitions. [2021-11-19 14:06:55,879 INFO L78 Accepts]: Start accepts. Automaton has 136087 states and 192246 transitions. Word has length 794 [2021-11-19 14:06:55,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:06:55,880 INFO L470 AbstractCegarLoop]: Abstraction has 136087 states and 192246 transitions. [2021-11-19 14:06:55,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 4 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (84), 4 states have call predecessors, (84), 4 states have call successors, (84) [2021-11-19 14:06:55,880 INFO L276 IsEmpty]: Start isEmpty. Operand 136087 states and 192246 transitions. [2021-11-19 14:06:55,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 794 [2021-11-19 14:06:55,892 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:06:55,893 INFO L514 BasicCegarLoop]: trace histogram [66, 66, 62, 62, 62, 62, 62, 62, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:06:56,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-19 14:06:56,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:06:56,107 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:06:56,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:06:56,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1279204755, now seen corresponding path program 1 times [2021-11-19 14:06:56,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:06:56,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [544690583] [2021-11-19 14:06:56,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:06:56,114 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:06:56,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:06:56,115 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:06:56,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27c0288-09b2-4eef-9971-d38d91a495a2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-19 14:07:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:07:03,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 5614 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:07:03,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:07:04,764 INFO L134 CoverageAnalysis]: Checked inductivity of 17844 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 17620 trivial. 0 not checked. [2021-11-19 14:07:04,764 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:07:06,246 INFO L134 CoverageAnalysis]: Checked inductivity of 17844 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 17833 trivial. 0 not checked. [2021-11-19 14:07:06,246 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:07:06,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [544690583] [2021-11-19 14:07:06,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [544690583] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:07:06,247 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:07:06,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:07:06,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980333537] [2021-11-19 14:07:06,247 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:07:06,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:07:06,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:07:06,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:07:06,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:07:06,250 INFO L87 Difference]: Start difference. First operand 136087 states and 192246 transitions. Second operand has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 4 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (84), 4 states have call predecessors, (84), 4 states have call successors, (84) [2021-11-19 14:07:08,661 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []