./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f0d35ad3183ac446cae7457c51fa9452f8942f4b349e6e40633392db1dd8aa97 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 19:46:36,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:46:36,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:46:36,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:46:36,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:46:36,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:46:36,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:46:36,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:46:36,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:46:36,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:46:36,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:46:36,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:46:36,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:46:36,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:46:36,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:46:36,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:46:36,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:46:36,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:46:36,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:46:36,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:46:36,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:46:36,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:46:36,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:46:36,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:46:36,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:46:36,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:46:36,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:46:36,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:46:36,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:46:36,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:46:36,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:46:36,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:46:36,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:46:36,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:46:36,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:46:36,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:46:36,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:46:36,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:46:36,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:46:36,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:46:36,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:46:36,279 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 19:46:36,314 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:46:36,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:46:36,317 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:46:36,318 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:46:36,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:46:36,319 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:46:36,321 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:46:36,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:46:36,322 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:46:36,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:46:36,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:46:36,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:46:36,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:46:36,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:46:36,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:46:36,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:46:36,326 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:46:36,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:46:36,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:46:36,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:46:36,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:46:36,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:46:36,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:46:36,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:46:36,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:46:36,330 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:46:36,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:46:36,331 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:46:36,331 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:46:36,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:46:36,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d35ad3183ac446cae7457c51fa9452f8942f4b349e6e40633392db1dd8aa97 [2022-11-18 19:46:36,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:46:36,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:46:36,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:46:36,775 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:46:36,776 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:46:36,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i [2022-11-18 19:46:36,877 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/data/c8d33e5a6/78b3e302845b4a3ba02196b965cca6cc/FLAG37543feff [2022-11-18 19:46:38,036 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:46:38,037 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i [2022-11-18 19:46:38,109 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/data/c8d33e5a6/78b3e302845b4a3ba02196b965cca6cc/FLAG37543feff [2022-11-18 19:46:38,302 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/data/c8d33e5a6/78b3e302845b4a3ba02196b965cca6cc [2022-11-18 19:46:38,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:46:38,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:46:38,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:46:38,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:46:38,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:46:38,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:46:38" (1/1) ... [2022-11-18 19:46:38,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a71bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:38, skipping insertion in model container [2022-11-18 19:46:38,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:46:38" (1/1) ... [2022-11-18 19:46:38,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:46:38,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:46:43,128 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[385539,385552] [2022-11-18 19:46:43,137 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[385684,385697] [2022-11-18 19:46:43,138 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[385830,385843] [2022-11-18 19:46:43,139 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[385995,386008] [2022-11-18 19:46:43,141 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[386153,386166] [2022-11-18 19:46:43,149 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[386311,386324] [2022-11-18 19:46:43,151 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[386469,386482] [2022-11-18 19:46:43,151 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[386629,386642] [2022-11-18 19:46:43,154 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[386788,386801] [2022-11-18 19:46:43,155 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[386927,386940] [2022-11-18 19:46:43,156 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387069,387082] [2022-11-18 19:46:43,157 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387218,387231] [2022-11-18 19:46:43,158 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387357,387370] [2022-11-18 19:46:43,158 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387512,387525] [2022-11-18 19:46:43,159 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387672,387685] [2022-11-18 19:46:43,159 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387823,387836] [2022-11-18 19:46:43,161 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387974,387987] [2022-11-18 19:46:43,162 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[388126,388139] [2022-11-18 19:46:43,164 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[388275,388288] [2022-11-18 19:46:43,168 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[388423,388436] [2022-11-18 19:46:43,168 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[388580,388593] [2022-11-18 19:46:43,169 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[388729,388742] [2022-11-18 19:46:43,170 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[388885,388898] [2022-11-18 19:46:43,170 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389038,389051] [2022-11-18 19:46:43,174 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389184,389197] [2022-11-18 19:46:43,175 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389327,389340] [2022-11-18 19:46:43,176 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389479,389492] [2022-11-18 19:46:43,176 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389625,389638] [2022-11-18 19:46:43,177 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389770,389783] [2022-11-18 19:46:43,180 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389924,389937] [2022-11-18 19:46:43,181 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[390075,390088] [2022-11-18 19:46:43,183 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[390230,390243] [2022-11-18 19:46:43,184 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[390382,390395] [2022-11-18 19:46:43,186 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[390537,390550] [2022-11-18 19:46:43,186 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[390701,390714] [2022-11-18 19:46:43,188 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[390857,390870] [2022-11-18 19:46:43,189 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391021,391034] [2022-11-18 19:46:43,189 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391163,391176] [2022-11-18 19:46:43,190 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391321,391334] [2022-11-18 19:46:43,190 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391488,391501] [2022-11-18 19:46:43,191 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391647,391660] [2022-11-18 19:46:43,192 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391806,391819] [2022-11-18 19:46:43,192 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391955,391968] [2022-11-18 19:46:43,193 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[392102,392115] [2022-11-18 19:46:43,193 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[392241,392254] [2022-11-18 19:46:43,194 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[392404,392417] [2022-11-18 19:46:43,195 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[392570,392583] [2022-11-18 19:46:43,197 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[392734,392747] [2022-11-18 19:46:43,198 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[392899,392912] [2022-11-18 19:46:43,198 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[393064,393077] [2022-11-18 19:46:43,199 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[393230,393243] [2022-11-18 19:46:43,200 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[393395,393408] [2022-11-18 19:46:43,200 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[393562,393575] [2022-11-18 19:46:43,202 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[393722,393735] [2022-11-18 19:46:43,203 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[393884,393897] [2022-11-18 19:46:43,204 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394043,394056] [2022-11-18 19:46:43,205 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394189,394202] [2022-11-18 19:46:43,205 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394332,394345] [2022-11-18 19:46:43,206 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394476,394489] [2022-11-18 19:46:43,207 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394619,394632] [2022-11-18 19:46:43,208 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394763,394776] [2022-11-18 19:46:43,210 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394904,394917] [2022-11-18 19:46:43,211 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395042,395055] [2022-11-18 19:46:43,212 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395200,395213] [2022-11-18 19:46:43,227 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395359,395372] [2022-11-18 19:46:43,228 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395515,395528] [2022-11-18 19:46:43,229 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395664,395677] [2022-11-18 19:46:43,229 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395816,395829] [2022-11-18 19:46:43,230 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395967,395980] [2022-11-18 19:46:43,231 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[396116,396129] [2022-11-18 19:46:43,231 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[396268,396281] [2022-11-18 19:46:43,232 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[396416,396429] [2022-11-18 19:46:43,233 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[396569,396582] [2022-11-18 19:46:43,233 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[396720,396733] [2022-11-18 19:46:43,234 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[396870,396883] [2022-11-18 19:46:43,234 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397017,397030] [2022-11-18 19:46:43,235 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397168,397181] [2022-11-18 19:46:43,236 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397319,397332] [2022-11-18 19:46:43,236 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397467,397480] [2022-11-18 19:46:43,237 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397633,397646] [2022-11-18 19:46:43,238 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397802,397815] [2022-11-18 19:46:43,238 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397969,397982] [2022-11-18 19:46:43,239 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[398137,398150] [2022-11-18 19:46:43,239 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[398287,398300] [2022-11-18 19:46:43,240 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[398434,398447] [2022-11-18 19:46:43,240 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[398595,398608] [2022-11-18 19:46:43,241 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[398765,398778] [2022-11-18 19:46:43,242 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[398927,398940] [2022-11-18 19:46:43,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:46:43,342 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:46:43,853 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[385539,385552] [2022-11-18 19:46:43,855 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[385684,385697] [2022-11-18 19:46:43,861 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[385830,385843] [2022-11-18 19:46:43,862 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[385995,386008] [2022-11-18 19:46:43,863 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[386153,386166] [2022-11-18 19:46:43,864 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[386311,386324] [2022-11-18 19:46:43,866 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[386469,386482] [2022-11-18 19:46:43,866 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[386629,386642] [2022-11-18 19:46:43,868 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[386788,386801] [2022-11-18 19:46:43,868 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[386927,386940] [2022-11-18 19:46:43,869 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387069,387082] [2022-11-18 19:46:43,870 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387218,387231] [2022-11-18 19:46:43,870 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387357,387370] [2022-11-18 19:46:43,871 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387512,387525] [2022-11-18 19:46:43,871 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387672,387685] [2022-11-18 19:46:43,872 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387823,387836] [2022-11-18 19:46:43,872 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387974,387987] [2022-11-18 19:46:43,873 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[388126,388139] [2022-11-18 19:46:43,874 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[388275,388288] [2022-11-18 19:46:43,875 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[388423,388436] [2022-11-18 19:46:43,875 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[388580,388593] [2022-11-18 19:46:43,876 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[388729,388742] [2022-11-18 19:46:43,878 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[388885,388898] [2022-11-18 19:46:43,878 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389038,389051] [2022-11-18 19:46:43,879 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389184,389197] [2022-11-18 19:46:43,879 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389327,389340] [2022-11-18 19:46:43,880 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389479,389492] [2022-11-18 19:46:43,881 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389625,389638] [2022-11-18 19:46:43,882 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389770,389783] [2022-11-18 19:46:43,883 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389924,389937] [2022-11-18 19:46:43,883 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[390075,390088] [2022-11-18 19:46:43,885 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[390230,390243] [2022-11-18 19:46:43,886 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[390382,390395] [2022-11-18 19:46:43,886 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[390537,390550] [2022-11-18 19:46:43,887 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[390701,390714] [2022-11-18 19:46:43,888 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[390857,390870] [2022-11-18 19:46:43,889 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391021,391034] [2022-11-18 19:46:43,889 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391163,391176] [2022-11-18 19:46:43,890 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391321,391334] [2022-11-18 19:46:43,891 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391488,391501] [2022-11-18 19:46:43,892 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391647,391660] [2022-11-18 19:46:43,894 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391806,391819] [2022-11-18 19:46:43,895 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391955,391968] [2022-11-18 19:46:43,896 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[392102,392115] [2022-11-18 19:46:43,896 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[392241,392254] [2022-11-18 19:46:43,897 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[392404,392417] [2022-11-18 19:46:43,898 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[392570,392583] [2022-11-18 19:46:43,898 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[392734,392747] [2022-11-18 19:46:43,899 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[392899,392912] [2022-11-18 19:46:43,899 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[393064,393077] [2022-11-18 19:46:43,900 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[393230,393243] [2022-11-18 19:46:43,900 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[393395,393408] [2022-11-18 19:46:43,901 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[393562,393575] [2022-11-18 19:46:43,902 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[393722,393735] [2022-11-18 19:46:43,904 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[393884,393897] [2022-11-18 19:46:43,906 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394043,394056] [2022-11-18 19:46:43,906 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394189,394202] [2022-11-18 19:46:43,907 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394332,394345] [2022-11-18 19:46:43,907 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394476,394489] [2022-11-18 19:46:43,908 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394619,394632] [2022-11-18 19:46:43,908 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394763,394776] [2022-11-18 19:46:43,910 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394904,394917] [2022-11-18 19:46:43,912 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395042,395055] [2022-11-18 19:46:43,913 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395200,395213] [2022-11-18 19:46:43,917 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395359,395372] [2022-11-18 19:46:43,924 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395515,395528] [2022-11-18 19:46:43,925 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395664,395677] [2022-11-18 19:46:43,926 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395816,395829] [2022-11-18 19:46:43,928 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395967,395980] [2022-11-18 19:46:43,929 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[396116,396129] [2022-11-18 19:46:43,931 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[396268,396281] [2022-11-18 19:46:43,932 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[396416,396429] [2022-11-18 19:46:43,934 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[396569,396582] [2022-11-18 19:46:43,939 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[396720,396733] [2022-11-18 19:46:43,940 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[396870,396883] [2022-11-18 19:46:43,940 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397017,397030] [2022-11-18 19:46:43,941 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397168,397181] [2022-11-18 19:46:43,941 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397319,397332] [2022-11-18 19:46:43,942 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397467,397480] [2022-11-18 19:46:43,943 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397633,397646] [2022-11-18 19:46:43,944 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397802,397815] [2022-11-18 19:46:43,945 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397969,397982] [2022-11-18 19:46:43,946 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[398137,398150] [2022-11-18 19:46:43,947 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[398287,398300] [2022-11-18 19:46:43,948 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[398434,398447] [2022-11-18 19:46:43,948 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[398595,398608] [2022-11-18 19:46:43,949 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[398765,398778] [2022-11-18 19:46:43,949 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[398927,398940] [2022-11-18 19:46:43,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:46:44,309 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:46:44,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:44 WrapperNode [2022-11-18 19:46:44,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:46:44,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:46:44,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:46:44,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:46:44,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:44" (1/1) ... [2022-11-18 19:46:44,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:44" (1/1) ... [2022-11-18 19:46:44,703 INFO L138 Inliner]: procedures = 616, calls = 2803, calls flagged for inlining = 287, calls inlined = 187, statements flattened = 4762 [2022-11-18 19:46:44,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:46:44,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:46:44,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:46:44,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:46:44,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:44" (1/1) ... [2022-11-18 19:46:44,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:44" (1/1) ... [2022-11-18 19:46:44,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:44" (1/1) ... [2022-11-18 19:46:44,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:44" (1/1) ... [2022-11-18 19:46:44,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:44" (1/1) ... [2022-11-18 19:46:44,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:44" (1/1) ... [2022-11-18 19:46:44,918 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:44" (1/1) ... [2022-11-18 19:46:44,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:44" (1/1) ... [2022-11-18 19:46:45,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:46:45,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:46:45,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:46:45,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:46:45,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:44" (1/1) ... [2022-11-18 19:46:45,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:46:45,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:46:45,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:46:45,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:46:45,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-18 19:46:45,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-18 19:46:45,143 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-18 19:46:45,143 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-18 19:46:45,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 19:46:45,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 19:46:45,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_device_lock_of_kaweth_device [2022-11-18 19:46:45,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_device_lock_of_kaweth_device [2022-11-18 19:46:45,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-18 19:46:45,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-18 19:46:45,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2022-11-18 19:46:45,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2022-11-18 19:46:45,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-18 19:46:45,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-18 19:46:45,145 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_open [2022-11-18 19:46:45,145 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_open [2022-11-18 19:46:45,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-18 19:46:45,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-18 19:46:45,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-18 19:46:45,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-18 19:46:45,146 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-18 19:46:45,147 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resume [2022-11-18 19:46:45,147 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resume [2022-11-18 19:46:45,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-18 19:46:45,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-18 19:46:45,147 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-18 19:46:45,147 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-18 19:46:45,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 19:46:45,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 19:46:45,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-18 19:46:45,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-18 19:46:45,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:46:45,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-18 19:46:45,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-18 19:46:45,149 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-18 19:46:45,149 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-18 19:46:45,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 19:46:45,149 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resubmit_rx_urb [2022-11-18 19:46:45,149 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resubmit_rx_urb [2022-11-18 19:46:45,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 19:46:45,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-18 19:46:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-18 19:46:45,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-18 19:46:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-18 19:46:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-18 19:46:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-18 19:46:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-11-18 19:46:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-11-18 19:46:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:46:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-18 19:46:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-18 19:46:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-18 19:46:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-18 19:46:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 19:46:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 19:46:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-18 19:46:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-18 19:46:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-18 19:46:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-18 19:46:45,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-18 19:46:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-18 19:46:45,154 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_close [2022-11-18 19:46:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_close [2022-11-18 19:46:45,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-18 19:46:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-18 19:46:45,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_129 [2022-11-18 19:46:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_129 [2022-11-18 19:46:45,155 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_download_firmware [2022-11-18 19:46:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_download_firmware [2022-11-18 19:46:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-18 19:46:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-18 19:46:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 19:46:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:46:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-18 19:46:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-18 19:46:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 19:46:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 19:46:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-18 19:46:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-18 19:46:45,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-11-18 19:46:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-11-18 19:46:45,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-18 19:46:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-18 19:46:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-18 19:46:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-18 19:46:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-18 19:46:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-18 19:46:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-18 19:46:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-18 19:46:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_tx_timeout [2022-11-18 19:46:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_tx_timeout [2022-11-18 19:46:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:46:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:46:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-18 19:46:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-18 19:46:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 19:46:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 19:46:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 19:46:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 19:46:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-18 19:46:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-18 19:46:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_133 [2022-11-18 19:46:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_133 [2022-11-18 19:46:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-18 19:46:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-18 19:46:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_async_set_rx_mode [2022-11-18 19:46:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_async_set_rx_mode [2022-11-18 19:46:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_device_lock_of_kaweth_device [2022-11-18 19:46:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_device_lock_of_kaweth_device [2022-11-18 19:46:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-18 19:46:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-18 19:46:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-18 19:46:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-18 19:46:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2022-11-18 19:46:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2022-11-18 19:46:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-18 19:46:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-18 19:46:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-18 19:46:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-18 19:46:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:46:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 19:46:45,174 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 19:46:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-18 19:46:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-18 19:46:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 19:46:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_free_coherent [2022-11-18 19:46:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_free_coherent [2022-11-18 19:46:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 19:46:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-18 19:46:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-18 19:46:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-18 19:46:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-18 19:46:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-18 19:46:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-18 19:46:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-18 19:46:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-18 19:46:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-18 19:46:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-18 19:46:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-18 19:46:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-18 19:46:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-11-18 19:46:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-11-18 19:46:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-11-18 19:46:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-11-18 19:46:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-18 19:46:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-18 19:46:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-18 19:46:45,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-18 19:46:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-18 19:46:45,179 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-18 19:46:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_set_rx_mode [2022-11-18 19:46:45,179 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_set_rx_mode [2022-11-18 19:46:45,180 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-18 19:46:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-18 19:46:45,180 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-18 19:46:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-18 19:46:45,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-18 19:46:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-18 19:46:45,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:46:45,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-18 19:46:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-18 19:46:45,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 19:46:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 19:46:45,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-18 19:46:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-18 19:46:45,182 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resubmit_int_urb [2022-11-18 19:46:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resubmit_int_urb [2022-11-18 19:46:45,182 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_control [2022-11-18 19:46:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_control [2022-11-18 19:46:45,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-18 19:46:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-18 19:46:45,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-18 19:46:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-18 19:46:45,183 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-18 19:46:45,183 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_kill_urbs [2022-11-18 19:46:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_kill_urbs [2022-11-18 19:46:45,183 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_disconnect [2022-11-18 19:46:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_disconnect [2022-11-18 19:46:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:46:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-18 19:46:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-18 19:46:46,378 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:46:46,384 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:46:46,662 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 19:46:59,649 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:46:59,667 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:46:59,667 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 19:46:59,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:46:59 BoogieIcfgContainer [2022-11-18 19:46:59,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:46:59,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:46:59,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:46:59,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:46:59,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:46:38" (1/3) ... [2022-11-18 19:46:59,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76be6767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:46:59, skipping insertion in model container [2022-11-18 19:46:59,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:44" (2/3) ... [2022-11-18 19:46:59,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76be6767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:46:59, skipping insertion in model container [2022-11-18 19:46:59,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:46:59" (3/3) ... [2022-11-18 19:46:59,690 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i [2022-11-18 19:46:59,719 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:46:59,720 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2022-11-18 19:46:59,874 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:46:59,881 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@495c5ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:46:59,882 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2022-11-18 19:46:59,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 1198 states, 787 states have (on average 1.2401524777636594) internal successors, (976), 827 states have internal predecessors, (976), 301 states have call successors, (301), 81 states have call predecessors, (301), 80 states have return successors, (297), 296 states have call predecessors, (297), 297 states have call successors, (297) [2022-11-18 19:46:59,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-18 19:46:59,911 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:46:59,912 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:46:59,913 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:46:59,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:46:59,919 INFO L85 PathProgramCache]: Analyzing trace with hash -662753244, now seen corresponding path program 1 times [2022-11-18 19:46:59,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:46:59,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491364901] [2022-11-18 19:46:59,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:46:59,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:02,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:47:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:02,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:47:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:02,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:47:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:02,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:47:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:02,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:47:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:02,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 19:47:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:02,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:47:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:02,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:02,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:02,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:47:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:02,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:47:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:02,316 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 19:47:02,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:02,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491364901] [2022-11-18 19:47:02,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491364901] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:47:02,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:47:02,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:47:02,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919813686] [2022-11-18 19:47:02,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:47:02,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:47:02,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:02,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:47:02,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:47:02,379 INFO L87 Difference]: Start difference. First operand has 1198 states, 787 states have (on average 1.2401524777636594) internal successors, (976), 827 states have internal predecessors, (976), 301 states have call successors, (301), 81 states have call predecessors, (301), 80 states have return successors, (297), 296 states have call predecessors, (297), 297 states have call successors, (297) Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-18 19:47:09,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:47:09,565 INFO L93 Difference]: Finished difference Result 2289 states and 3108 transitions. [2022-11-18 19:47:09,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:47:09,568 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 71 [2022-11-18 19:47:09,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:47:09,594 INFO L225 Difference]: With dead ends: 2289 [2022-11-18 19:47:09,594 INFO L226 Difference]: Without dead ends: 1179 [2022-11-18 19:47:09,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:47:09,618 INFO L413 NwaCegarLoop]: 795 mSDtfsCounter, 2161 mSDsluCounter, 1414 mSDsCounter, 0 mSdLazyCounter, 2059 mSolverCounterSat, 1024 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2343 SdHoareTripleChecker+Valid, 2209 SdHoareTripleChecker+Invalid, 3083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1024 IncrementalHoareTripleChecker+Valid, 2059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-18 19:47:09,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2343 Valid, 2209 Invalid, 3083 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1024 Valid, 2059 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-11-18 19:47:09,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1179 states. [2022-11-18 19:47:09,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1179 to 1179. [2022-11-18 19:47:09,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1179 states, 775 states have (on average 1.1948387096774193) internal successors, (926), 811 states have internal predecessors, (926), 297 states have call successors, (297), 80 states have call predecessors, (297), 79 states have return successors, (295), 294 states have call predecessors, (295), 295 states have call successors, (295) [2022-11-18 19:47:09,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 1179 states and 1518 transitions. [2022-11-18 19:47:09,842 INFO L78 Accepts]: Start accepts. Automaton has 1179 states and 1518 transitions. Word has length 71 [2022-11-18 19:47:09,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:09,845 INFO L495 AbstractCegarLoop]: Abstraction has 1179 states and 1518 transitions. [2022-11-18 19:47:09,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-18 19:47:09,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1518 transitions. [2022-11-18 19:47:09,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-18 19:47:09,849 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:09,850 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:47:09,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:47:09,850 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:47:09,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:09,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1745610015, now seen corresponding path program 1 times [2022-11-18 19:47:09,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:09,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577579488] [2022-11-18 19:47:09,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:09,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:47:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:47:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:47:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:47:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:47:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 19:47:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:47:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:11,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:47:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:47:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:47:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,510 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 19:47:11,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:11,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577579488] [2022-11-18 19:47:11,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577579488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:47:11,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:47:11,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:47:11,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567934823] [2022-11-18 19:47:11,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:47:11,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:47:11,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:11,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:47:11,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:47:11,516 INFO L87 Difference]: Start difference. First operand 1179 states and 1518 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 19:47:15,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:47:19,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:47:19,015 INFO L93 Difference]: Finished difference Result 1179 states and 1518 transitions. [2022-11-18 19:47:19,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:47:19,016 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 77 [2022-11-18 19:47:19,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:47:19,026 INFO L225 Difference]: With dead ends: 1179 [2022-11-18 19:47:19,026 INFO L226 Difference]: Without dead ends: 1177 [2022-11-18 19:47:19,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:47:19,029 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 2129 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 2037 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2308 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 3053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 2037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:47:19,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2308 Valid, 2183 Invalid, 3053 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1016 Valid, 2037 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2022-11-18 19:47:19,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2022-11-18 19:47:19,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1177. [2022-11-18 19:47:19,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1177 states, 774 states have (on average 1.193798449612403) internal successors, (924), 809 states have internal predecessors, (924), 297 states have call successors, (297), 80 states have call predecessors, (297), 79 states have return successors, (295), 294 states have call predecessors, (295), 295 states have call successors, (295) [2022-11-18 19:47:19,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1516 transitions. [2022-11-18 19:47:19,134 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1516 transitions. Word has length 77 [2022-11-18 19:47:19,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:19,135 INFO L495 AbstractCegarLoop]: Abstraction has 1177 states and 1516 transitions. [2022-11-18 19:47:19,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 19:47:19,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1516 transitions. [2022-11-18 19:47:19,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-18 19:47:19,139 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:19,139 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:47:19,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:47:19,140 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:47:19,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:19,141 INFO L85 PathProgramCache]: Analyzing trace with hash -341210964, now seen corresponding path program 1 times [2022-11-18 19:47:19,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:19,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681314574] [2022-11-18 19:47:19,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:19,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:20,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:47:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:20,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:47:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:20,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:47:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:20,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:47:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:20,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:47:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:20,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 19:47:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:20,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:47:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:20,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:20,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:47:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:20,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:47:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:20,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:47:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:20,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 19:47:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:20,443 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 19:47:20,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:20,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681314574] [2022-11-18 19:47:20,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681314574] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:47:20,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:47:20,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:47:20,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962283051] [2022-11-18 19:47:20,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:47:20,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:47:20,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:20,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:47:20,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:47:20,448 INFO L87 Difference]: Start difference. First operand 1177 states and 1516 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-18 19:47:26,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:47:26,837 INFO L93 Difference]: Finished difference Result 1177 states and 1516 transitions. [2022-11-18 19:47:26,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:47:26,838 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 83 [2022-11-18 19:47:26,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:47:26,847 INFO L225 Difference]: With dead ends: 1177 [2022-11-18 19:47:26,847 INFO L226 Difference]: Without dead ends: 1175 [2022-11-18 19:47:26,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:47:26,850 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 2123 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 2033 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2301 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 3049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 2033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:47:26,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2301 Valid, 2183 Invalid, 3049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 2033 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-11-18 19:47:26,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2022-11-18 19:47:26,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 1175. [2022-11-18 19:47:26,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 773 states have (on average 1.1927554980595083) internal successors, (922), 807 states have internal predecessors, (922), 297 states have call successors, (297), 80 states have call predecessors, (297), 79 states have return successors, (295), 294 states have call predecessors, (295), 295 states have call successors, (295) [2022-11-18 19:47:26,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1514 transitions. [2022-11-18 19:47:26,939 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1514 transitions. Word has length 83 [2022-11-18 19:47:26,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:26,940 INFO L495 AbstractCegarLoop]: Abstraction has 1175 states and 1514 transitions. [2022-11-18 19:47:26,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-18 19:47:26,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1514 transitions. [2022-11-18 19:47:26,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-18 19:47:26,943 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:26,944 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:47:26,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:47:26,944 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:47:26,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:26,945 INFO L85 PathProgramCache]: Analyzing trace with hash -695017958, now seen corresponding path program 1 times [2022-11-18 19:47:26,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:26,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652952927] [2022-11-18 19:47:26,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:26,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:27,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:47:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:27,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:47:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:27,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:47:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:27,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:47:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:27,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:47:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:27,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 19:47:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:27,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:47:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:28,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:28,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:47:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:28,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:47:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:28,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:47:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:28,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 19:47:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:28,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 19:47:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:28,085 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 19:47:28,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:28,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652952927] [2022-11-18 19:47:28,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652952927] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:47:28,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:47:28,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:47:28,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71818823] [2022-11-18 19:47:28,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:47:28,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:47:28,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:28,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:47:28,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:47:28,088 INFO L87 Difference]: Start difference. First operand 1175 states and 1514 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 19:47:31,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:47:32,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:47:35,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:47:35,276 INFO L93 Difference]: Finished difference Result 1175 states and 1514 transitions. [2022-11-18 19:47:35,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:47:35,277 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 89 [2022-11-18 19:47:35,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:47:35,285 INFO L225 Difference]: With dead ends: 1175 [2022-11-18 19:47:35,285 INFO L226 Difference]: Without dead ends: 1173 [2022-11-18 19:47:35,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:47:35,288 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 2117 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 2029 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2294 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 3045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 2029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:47:35,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2294 Valid, 2183 Invalid, 3045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 2029 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-11-18 19:47:35,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2022-11-18 19:47:35,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 1173. [2022-11-18 19:47:35,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 772 states have (on average 1.1917098445595855) internal successors, (920), 805 states have internal predecessors, (920), 297 states have call successors, (297), 80 states have call predecessors, (297), 79 states have return successors, (295), 294 states have call predecessors, (295), 295 states have call successors, (295) [2022-11-18 19:47:35,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1512 transitions. [2022-11-18 19:47:35,382 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1512 transitions. Word has length 89 [2022-11-18 19:47:35,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:35,383 INFO L495 AbstractCegarLoop]: Abstraction has 1173 states and 1512 transitions. [2022-11-18 19:47:35,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 19:47:35,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1512 transitions. [2022-11-18 19:47:35,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-18 19:47:35,387 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:35,388 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:47:35,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:47:35,390 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:47:35,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:35,390 INFO L85 PathProgramCache]: Analyzing trace with hash -900780971, now seen corresponding path program 1 times [2022-11-18 19:47:35,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:35,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191236872] [2022-11-18 19:47:35,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:35,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:36,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:47:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:36,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:47:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:36,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:47:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:36,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:47:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:36,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:47:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:36,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 19:47:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:36,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:47:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:36,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:36,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:36,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:47:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:36,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:47:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:36,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:47:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:36,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 19:47:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:36,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 19:47:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:36,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 19:47:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:36,577 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 19:47:36,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:36,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191236872] [2022-11-18 19:47:36,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191236872] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:47:36,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:47:36,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:47:36,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114914193] [2022-11-18 19:47:36,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:47:36,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:47:36,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:36,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:47:36,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:47:36,580 INFO L87 Difference]: Start difference. First operand 1173 states and 1512 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 19:47:42,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:47:42,193 INFO L93 Difference]: Finished difference Result 1173 states and 1512 transitions. [2022-11-18 19:47:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:47:42,194 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 95 [2022-11-18 19:47:42,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:47:42,202 INFO L225 Difference]: With dead ends: 1173 [2022-11-18 19:47:42,203 INFO L226 Difference]: Without dead ends: 1171 [2022-11-18 19:47:42,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:47:42,205 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 2111 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 2025 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2287 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 3041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 2025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:47:42,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2287 Valid, 2183 Invalid, 3041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 2025 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-11-18 19:47:42,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2022-11-18 19:47:42,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 1171. [2022-11-18 19:47:42,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1171 states, 771 states have (on average 1.1906614785992218) internal successors, (918), 803 states have internal predecessors, (918), 297 states have call successors, (297), 80 states have call predecessors, (297), 79 states have return successors, (295), 294 states have call predecessors, (295), 295 states have call successors, (295) [2022-11-18 19:47:42,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 1510 transitions. [2022-11-18 19:47:42,312 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 1510 transitions. Word has length 95 [2022-11-18 19:47:42,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:42,313 INFO L495 AbstractCegarLoop]: Abstraction has 1171 states and 1510 transitions. [2022-11-18 19:47:42,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 19:47:42,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1510 transitions. [2022-11-18 19:47:42,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-18 19:47:42,316 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:42,316 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:47:42,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:47:42,317 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:47:42,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:42,317 INFO L85 PathProgramCache]: Analyzing trace with hash -808345981, now seen corresponding path program 1 times [2022-11-18 19:47:42,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:42,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289438782] [2022-11-18 19:47:42,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:42,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:43,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:47:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:43,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:47:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:43,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:47:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:43,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:47:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:43,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:47:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:43,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 19:47:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:43,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:47:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:43,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:43,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:47:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:43,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:47:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:43,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:47:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:43,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 19:47:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:43,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 19:47:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:43,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 19:47:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:43,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:47:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:43,398 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 19:47:43,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:43,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289438782] [2022-11-18 19:47:43,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289438782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:47:43,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:47:43,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:47:43,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76165984] [2022-11-18 19:47:43,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:47:43,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:47:43,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:43,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:47:43,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:47:43,402 INFO L87 Difference]: Start difference. First operand 1171 states and 1510 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 19:47:49,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:47:49,090 INFO L93 Difference]: Finished difference Result 1171 states and 1510 transitions. [2022-11-18 19:47:49,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:47:49,091 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2022-11-18 19:47:49,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:47:49,097 INFO L225 Difference]: With dead ends: 1171 [2022-11-18 19:47:49,098 INFO L226 Difference]: Without dead ends: 1169 [2022-11-18 19:47:49,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:47:49,100 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 2105 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 2021 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2280 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 3037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 2021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:47:49,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2280 Valid, 2183 Invalid, 3037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 2021 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-11-18 19:47:49,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2022-11-18 19:47:49,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1169. [2022-11-18 19:47:49,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 770 states have (on average 1.1896103896103896) internal successors, (916), 801 states have internal predecessors, (916), 297 states have call successors, (297), 80 states have call predecessors, (297), 79 states have return successors, (295), 294 states have call predecessors, (295), 295 states have call successors, (295) [2022-11-18 19:47:49,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1508 transitions. [2022-11-18 19:47:49,213 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1508 transitions. Word has length 101 [2022-11-18 19:47:49,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:49,214 INFO L495 AbstractCegarLoop]: Abstraction has 1169 states and 1508 transitions. [2022-11-18 19:47:49,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 19:47:49,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1508 transitions. [2022-11-18 19:47:49,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-18 19:47:49,216 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:49,217 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:47:49,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 19:47:49,217 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:47:49,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:49,218 INFO L85 PathProgramCache]: Analyzing trace with hash 324219355, now seen corresponding path program 1 times [2022-11-18 19:47:49,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:49,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053991927] [2022-11-18 19:47:49,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:49,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:50,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:47:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:50,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:47:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:50,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:47:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:50,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:47:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:50,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:47:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:50,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 19:47:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:50,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:47:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:50,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:50,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:47:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:50,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:47:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:50,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:47:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:50,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 19:47:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:50,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 19:47:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:50,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 19:47:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:50,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:47:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:50,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:47:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:50,313 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 19:47:50,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:50,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053991927] [2022-11-18 19:47:50,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053991927] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:47:50,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:47:50,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:47:50,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583253313] [2022-11-18 19:47:50,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:47:50,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:47:50,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:50,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:47:50,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:47:50,317 INFO L87 Difference]: Start difference. First operand 1169 states and 1508 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-18 19:47:53,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:47:57,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:47:57,479 INFO L93 Difference]: Finished difference Result 1169 states and 1508 transitions. [2022-11-18 19:47:57,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:47:57,480 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 107 [2022-11-18 19:47:57,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:47:57,488 INFO L225 Difference]: With dead ends: 1169 [2022-11-18 19:47:57,488 INFO L226 Difference]: Without dead ends: 1167 [2022-11-18 19:47:57,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:47:57,490 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 2099 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 2017 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2273 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 3033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 2017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:47:57,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2273 Valid, 2183 Invalid, 3033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 2017 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-11-18 19:47:57,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2022-11-18 19:47:57,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 1167. [2022-11-18 19:47:57,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1167 states, 769 states have (on average 1.188556566970091) internal successors, (914), 799 states have internal predecessors, (914), 297 states have call successors, (297), 80 states have call predecessors, (297), 79 states have return successors, (295), 294 states have call predecessors, (295), 295 states have call successors, (295) [2022-11-18 19:47:57,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 1506 transitions. [2022-11-18 19:47:57,613 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 1506 transitions. Word has length 107 [2022-11-18 19:47:57,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:57,613 INFO L495 AbstractCegarLoop]: Abstraction has 1167 states and 1506 transitions. [2022-11-18 19:47:57,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-18 19:47:57,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1506 transitions. [2022-11-18 19:47:57,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-18 19:47:57,616 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:57,616 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:47:57,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 19:47:57,617 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:47:57,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:57,618 INFO L85 PathProgramCache]: Analyzing trace with hash 199453380, now seen corresponding path program 1 times [2022-11-18 19:47:57,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:57,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618345883] [2022-11-18 19:47:57,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:57,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:58,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:47:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:58,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:47:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:58,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:47:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:58,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:47:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:58,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:47:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:58,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 19:47:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:58,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:47:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:58,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:58,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:47:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:58,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:47:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:58,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:47:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:58,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 19:47:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:58,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 19:47:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:58,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 19:47:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:58,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:47:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:58,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:47:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:58,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:47:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:58,728 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 19:47:58,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:58,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618345883] [2022-11-18 19:47:58,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618345883] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:47:58,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:47:58,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:47:58,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975161864] [2022-11-18 19:47:58,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:47:58,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:47:58,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:58,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:47:58,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:47:58,732 INFO L87 Difference]: Start difference. First operand 1167 states and 1506 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 19:48:03,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:48:03,864 INFO L93 Difference]: Finished difference Result 1167 states and 1506 transitions. [2022-11-18 19:48:03,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:48:03,865 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 113 [2022-11-18 19:48:03,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:48:03,873 INFO L225 Difference]: With dead ends: 1167 [2022-11-18 19:48:03,873 INFO L226 Difference]: Without dead ends: 1165 [2022-11-18 19:48:03,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:48:03,875 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 2097 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 2009 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2270 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 3025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 2009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:48:03,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2270 Valid, 2183 Invalid, 3025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 2009 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-18 19:48:03,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1165 states. [2022-11-18 19:48:03,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1165 to 1165. [2022-11-18 19:48:03,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1165 states, 768 states have (on average 1.1875) internal successors, (912), 797 states have internal predecessors, (912), 297 states have call successors, (297), 80 states have call predecessors, (297), 79 states have return successors, (295), 294 states have call predecessors, (295), 295 states have call successors, (295) [2022-11-18 19:48:03,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 1165 states and 1504 transitions. [2022-11-18 19:48:03,990 INFO L78 Accepts]: Start accepts. Automaton has 1165 states and 1504 transitions. Word has length 113 [2022-11-18 19:48:03,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:48:03,991 INFO L495 AbstractCegarLoop]: Abstraction has 1165 states and 1504 transitions. [2022-11-18 19:48:03,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 19:48:03,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1504 transitions. [2022-11-18 19:48:03,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-18 19:48:03,994 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:48:03,994 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:48:03,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 19:48:03,995 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:48:03,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:48:03,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1598697465, now seen corresponding path program 1 times [2022-11-18 19:48:03,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:48:03,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503000674] [2022-11-18 19:48:03,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:48:03,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:48:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:04,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:48:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:04,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:48:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:04,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:48:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:04,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:48:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:04,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:48:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:04,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 19:48:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:04,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:48:04,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:04,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:48:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:04,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:48:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:04,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:48:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:04,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:48:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:04,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 19:48:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:04,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 19:48:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:04,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 19:48:04,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:04,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:48:04,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:04,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:48:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:04,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:48:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:04,981 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 19:48:04,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:48:04,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503000674] [2022-11-18 19:48:04,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503000674] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:48:04,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:48:04,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:48:04,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177556430] [2022-11-18 19:48:04,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:48:04,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:48:04,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:48:04,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:48:04,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:48:04,986 INFO L87 Difference]: Start difference. First operand 1165 states and 1504 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 19:48:10,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:48:10,382 INFO L93 Difference]: Finished difference Result 1165 states and 1504 transitions. [2022-11-18 19:48:10,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:48:10,383 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 115 [2022-11-18 19:48:10,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:48:10,392 INFO L225 Difference]: With dead ends: 1165 [2022-11-18 19:48:10,392 INFO L226 Difference]: Without dead ends: 1163 [2022-11-18 19:48:10,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:48:10,394 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 2085 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 2009 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2258 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 3025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 2009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:48:10,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2258 Valid, 2183 Invalid, 3025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 2009 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-11-18 19:48:10,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2022-11-18 19:48:10,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 1163. [2022-11-18 19:48:10,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 767 states have (on average 1.1864406779661016) internal successors, (910), 795 states have internal predecessors, (910), 297 states have call successors, (297), 80 states have call predecessors, (297), 79 states have return successors, (295), 294 states have call predecessors, (295), 295 states have call successors, (295) [2022-11-18 19:48:10,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1502 transitions. [2022-11-18 19:48:10,569 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1502 transitions. Word has length 115 [2022-11-18 19:48:10,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:48:10,569 INFO L495 AbstractCegarLoop]: Abstraction has 1163 states and 1502 transitions. [2022-11-18 19:48:10,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 19:48:10,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1502 transitions. [2022-11-18 19:48:10,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-18 19:48:10,572 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:48:10,572 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:48:10,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 19:48:10,573 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:48:10,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:48:10,573 INFO L85 PathProgramCache]: Analyzing trace with hash 569549221, now seen corresponding path program 1 times [2022-11-18 19:48:10,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:48:10,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335940615] [2022-11-18 19:48:10,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:48:10,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:48:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:11,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:48:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:11,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:48:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:11,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:48:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:11,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:48:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:11,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:48:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:11,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 19:48:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:11,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:48:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:11,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:48:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:11,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:48:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:11,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:48:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:11,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:48:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:11,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 19:48:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:11,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 19:48:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:11,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 19:48:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:11,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:48:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:11,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:48:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:11,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:48:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:11,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 19:48:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:11,497 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 19:48:11,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:48:11,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335940615] [2022-11-18 19:48:11,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335940615] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:48:11,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:48:11,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:48:11,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956364885] [2022-11-18 19:48:11,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:48:11,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:48:11,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:48:11,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:48:11,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:48:11,501 INFO L87 Difference]: Start difference. First operand 1163 states and 1502 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:48:15,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:48:18,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:48:18,315 INFO L93 Difference]: Finished difference Result 1163 states and 1502 transitions. [2022-11-18 19:48:18,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:48:18,316 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 121 [2022-11-18 19:48:18,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:48:18,323 INFO L225 Difference]: With dead ends: 1163 [2022-11-18 19:48:18,323 INFO L226 Difference]: Without dead ends: 1161 [2022-11-18 19:48:18,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:48:18,325 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 2081 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 2005 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2253 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 3021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 2005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:48:18,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2253 Valid, 2183 Invalid, 3021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 2005 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-11-18 19:48:18,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2022-11-18 19:48:18,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1161. [2022-11-18 19:48:18,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1161 states, 766 states have (on average 1.185378590078329) internal successors, (908), 793 states have internal predecessors, (908), 297 states have call successors, (297), 80 states have call predecessors, (297), 79 states have return successors, (295), 294 states have call predecessors, (295), 295 states have call successors, (295) [2022-11-18 19:48:18,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 1500 transitions. [2022-11-18 19:48:18,467 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 1500 transitions. Word has length 121 [2022-11-18 19:48:18,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:48:18,468 INFO L495 AbstractCegarLoop]: Abstraction has 1161 states and 1500 transitions. [2022-11-18 19:48:18,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:48:18,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1500 transitions. [2022-11-18 19:48:18,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-18 19:48:18,471 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:48:18,472 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:48:18,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 19:48:18,472 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:48:18,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:48:18,473 INFO L85 PathProgramCache]: Analyzing trace with hash 596162884, now seen corresponding path program 1 times [2022-11-18 19:48:18,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:48:18,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917853747] [2022-11-18 19:48:18,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:48:18,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:48:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:48:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:48:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:48:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:48:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:48:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 19:48:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:48:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:48:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:48:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:48:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:48:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 19:48:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 19:48:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 19:48:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:48:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:48:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:48:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 19:48:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 19:48:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,349 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 19:48:19,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:48:19,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917853747] [2022-11-18 19:48:19,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917853747] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:48:19,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:48:19,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:48:19,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726307250] [2022-11-18 19:48:19,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:48:19,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:48:19,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:48:19,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:48:19,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:48:19,416 INFO L87 Difference]: Start difference. First operand 1161 states and 1500 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-18 19:48:22,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:48:26,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:48:26,785 INFO L93 Difference]: Finished difference Result 1161 states and 1500 transitions. [2022-11-18 19:48:26,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:48:26,786 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 127 [2022-11-18 19:48:26,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:48:26,794 INFO L225 Difference]: With dead ends: 1161 [2022-11-18 19:48:26,794 INFO L226 Difference]: Without dead ends: 1159 [2022-11-18 19:48:26,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:48:26,796 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 2075 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 2001 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2246 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 3017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 2001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:48:26,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2246 Valid, 2183 Invalid, 3017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 2001 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2022-11-18 19:48:26,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2022-11-18 19:48:26,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 1159. [2022-11-18 19:48:26,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1159 states, 765 states have (on average 1.184313725490196) internal successors, (906), 791 states have internal predecessors, (906), 297 states have call successors, (297), 80 states have call predecessors, (297), 79 states have return successors, (295), 294 states have call predecessors, (295), 295 states have call successors, (295) [2022-11-18 19:48:26,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 1498 transitions. [2022-11-18 19:48:26,944 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 1498 transitions. Word has length 127 [2022-11-18 19:48:26,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:48:26,945 INFO L495 AbstractCegarLoop]: Abstraction has 1159 states and 1498 transitions. [2022-11-18 19:48:26,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-18 19:48:26,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1498 transitions. [2022-11-18 19:48:26,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-18 19:48:26,948 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:48:26,949 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:48:26,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 19:48:26,949 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:48:26,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:48:26,950 INFO L85 PathProgramCache]: Analyzing trace with hash -287291497, now seen corresponding path program 1 times [2022-11-18 19:48:26,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:48:26,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583582485] [2022-11-18 19:48:26,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:48:26,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:48:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:27,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:48:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:27,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:48:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:27,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:48:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:27,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:48:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:27,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:48:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:27,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 19:48:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:27,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:48:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:27,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:48:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:27,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:48:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:27,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:48:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:27,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:48:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:27,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 19:48:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:27,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 19:48:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:27,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 19:48:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:27,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:48:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:27,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:48:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:28,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:48:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:28,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 19:48:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:28,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 19:48:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:28,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:48:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:28,057 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 19:48:28,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:48:28,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583582485] [2022-11-18 19:48:28,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583582485] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:48:28,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:48:28,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:48:28,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234281938] [2022-11-18 19:48:28,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:48:28,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:48:28,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:48:28,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:48:28,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:48:28,061 INFO L87 Difference]: Start difference. First operand 1159 states and 1498 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 19:48:30,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:48:34,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:48:34,585 INFO L93 Difference]: Finished difference Result 1159 states and 1498 transitions. [2022-11-18 19:48:34,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:48:34,586 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 133 [2022-11-18 19:48:34,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:48:34,592 INFO L225 Difference]: With dead ends: 1159 [2022-11-18 19:48:34,592 INFO L226 Difference]: Without dead ends: 1157 [2022-11-18 19:48:34,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:48:34,594 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 2069 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 1997 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2239 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 3013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 1997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:48:34,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2239 Valid, 2183 Invalid, 3013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 1997 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-11-18 19:48:34,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2022-11-18 19:48:34,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1157. [2022-11-18 19:48:34,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 764 states have (on average 1.1832460732984293) internal successors, (904), 789 states have internal predecessors, (904), 297 states have call successors, (297), 80 states have call predecessors, (297), 79 states have return successors, (295), 294 states have call predecessors, (295), 295 states have call successors, (295) [2022-11-18 19:48:34,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1496 transitions. [2022-11-18 19:48:34,754 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1496 transitions. Word has length 133 [2022-11-18 19:48:34,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:48:34,755 INFO L495 AbstractCegarLoop]: Abstraction has 1157 states and 1496 transitions. [2022-11-18 19:48:34,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 19:48:34,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1496 transitions. [2022-11-18 19:48:34,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-18 19:48:34,758 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:48:34,758 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:48:34,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 19:48:34,758 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:48:34,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:48:34,759 INFO L85 PathProgramCache]: Analyzing trace with hash -958598234, now seen corresponding path program 1 times [2022-11-18 19:48:34,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:48:34,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238243371] [2022-11-18 19:48:34,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:48:34,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:48:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:35,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:48:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:35,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:48:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:35,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:48:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:35,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:48:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:35,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:48:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:35,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 19:48:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:35,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:48:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:35,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:48:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:35,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:48:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:35,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:48:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:35,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:48:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:35,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 19:48:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:35,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 19:48:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:35,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 19:48:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:35,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:48:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:35,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:48:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:35,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:48:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:35,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 19:48:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:35,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 19:48:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:35,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:48:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:35,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:48:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:35,706 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 19:48:35,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:48:35,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238243371] [2022-11-18 19:48:35,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238243371] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:48:35,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:48:35,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:48:35,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258479805] [2022-11-18 19:48:35,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:48:35,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:48:35,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:48:35,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:48:35,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:48:35,710 INFO L87 Difference]: Start difference. First operand 1157 states and 1496 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-18 19:48:41,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:48:41,225 INFO L93 Difference]: Finished difference Result 1157 states and 1496 transitions. [2022-11-18 19:48:41,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:48:41,225 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 139 [2022-11-18 19:48:41,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:48:41,230 INFO L225 Difference]: With dead ends: 1157 [2022-11-18 19:48:41,231 INFO L226 Difference]: Without dead ends: 1155 [2022-11-18 19:48:41,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:48:41,232 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 2063 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 1993 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2232 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 3009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 1993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:48:41,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2232 Valid, 2183 Invalid, 3009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 1993 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-11-18 19:48:41,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2022-11-18 19:48:41,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1155. [2022-11-18 19:48:41,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1155 states, 763 states have (on average 1.182175622542595) internal successors, (902), 787 states have internal predecessors, (902), 297 states have call successors, (297), 80 states have call predecessors, (297), 79 states have return successors, (295), 294 states have call predecessors, (295), 295 states have call successors, (295) [2022-11-18 19:48:41,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 1494 transitions. [2022-11-18 19:48:41,444 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 1494 transitions. Word has length 139 [2022-11-18 19:48:41,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:48:41,445 INFO L495 AbstractCegarLoop]: Abstraction has 1155 states and 1494 transitions. [2022-11-18 19:48:41,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-18 19:48:41,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1494 transitions. [2022-11-18 19:48:41,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-18 19:48:41,448 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:48:41,448 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:48:41,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 19:48:41,449 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:48:41,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:48:41,449 INFO L85 PathProgramCache]: Analyzing trace with hash 410872549, now seen corresponding path program 1 times [2022-11-18 19:48:41,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:48:41,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318432609] [2022-11-18 19:48:41,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:48:41,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:48:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:42,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:48:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:42,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:48:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:42,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:48:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:42,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:48:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:42,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:48:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:42,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 19:48:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:42,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:48:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:42,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:48:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:42,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:48:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:42,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:48:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:42,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:48:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:42,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 19:48:42,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:42,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 19:48:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:42,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 19:48:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:42,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:48:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:42,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:48:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:42,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:48:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:42,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 19:48:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:42,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 19:48:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:42,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:48:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:42,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:48:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:42,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 19:48:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:42,281 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 19:48:42,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:48:42,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318432609] [2022-11-18 19:48:42,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318432609] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:48:42,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:48:42,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:48:42,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550071965] [2022-11-18 19:48:42,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:48:42,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:48:42,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:48:42,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:48:42,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:48:42,285 INFO L87 Difference]: Start difference. First operand 1155 states and 1494 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-18 19:48:45,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:48:48,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:48:48,488 INFO L93 Difference]: Finished difference Result 1155 states and 1494 transitions. [2022-11-18 19:48:48,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:48:48,488 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 145 [2022-11-18 19:48:48,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:48:48,497 INFO L225 Difference]: With dead ends: 1155 [2022-11-18 19:48:48,497 INFO L226 Difference]: Without dead ends: 1153 [2022-11-18 19:48:48,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:48:48,499 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 2057 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 1989 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2225 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 3005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 1989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:48:48,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2225 Valid, 2183 Invalid, 3005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 1989 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-11-18 19:48:48,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2022-11-18 19:48:48,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 1153. [2022-11-18 19:48:48,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 762 states have (on average 1.1811023622047243) internal successors, (900), 785 states have internal predecessors, (900), 297 states have call successors, (297), 80 states have call predecessors, (297), 79 states have return successors, (295), 294 states have call predecessors, (295), 295 states have call successors, (295) [2022-11-18 19:48:48,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1492 transitions. [2022-11-18 19:48:48,660 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1492 transitions. Word has length 145 [2022-11-18 19:48:48,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:48:48,661 INFO L495 AbstractCegarLoop]: Abstraction has 1153 states and 1492 transitions. [2022-11-18 19:48:48,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-18 19:48:48,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1492 transitions. [2022-11-18 19:48:48,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-18 19:48:48,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:48:48,664 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:48:48,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 19:48:48,665 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:48:48,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:48:48,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1498879355, now seen corresponding path program 1 times [2022-11-18 19:48:48,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:48:48,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572364840] [2022-11-18 19:48:48,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:48:48,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:48:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:49,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:48:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:49,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:48:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:49,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:48:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:49,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:48:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:49,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:48:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:49,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 19:48:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:49,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:48:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:49,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:48:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:49,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:48:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:49,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:48:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:49,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:48:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:49,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 19:48:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:49,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 19:48:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:49,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 19:48:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:49,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:48:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:49,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:48:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:49,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:48:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:49,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 19:48:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:49,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 19:48:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:49,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:48:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:49,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:48:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:49,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 19:48:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:49,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:48:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:49,829 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 19:48:49,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:48:49,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572364840] [2022-11-18 19:48:49,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572364840] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:48:49,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:48:49,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:48:49,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956705373] [2022-11-18 19:48:49,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:48:49,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:48:49,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:48:49,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:48:49,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:48:49,834 INFO L87 Difference]: Start difference. First operand 1153 states and 1492 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-18 19:48:55,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:48:55,666 INFO L93 Difference]: Finished difference Result 1153 states and 1492 transitions. [2022-11-18 19:48:55,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:48:55,667 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 151 [2022-11-18 19:48:55,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:48:55,671 INFO L225 Difference]: With dead ends: 1153 [2022-11-18 19:48:55,672 INFO L226 Difference]: Without dead ends: 1151 [2022-11-18 19:48:55,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:48:55,673 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 2051 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 1985 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2218 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 3001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 1985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:48:55,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2218 Valid, 2183 Invalid, 3001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 1985 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-11-18 19:48:55,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2022-11-18 19:48:55,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1151. [2022-11-18 19:48:55,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1151 states, 761 states have (on average 1.1800262812089357) internal successors, (898), 783 states have internal predecessors, (898), 297 states have call successors, (297), 80 states have call predecessors, (297), 79 states have return successors, (295), 294 states have call predecessors, (295), 295 states have call successors, (295) [2022-11-18 19:48:55,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1490 transitions. [2022-11-18 19:48:55,847 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1490 transitions. Word has length 151 [2022-11-18 19:48:55,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:48:55,848 INFO L495 AbstractCegarLoop]: Abstraction has 1151 states and 1490 transitions. [2022-11-18 19:48:55,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-18 19:48:55,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1490 transitions. [2022-11-18 19:48:55,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-11-18 19:48:55,852 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:48:55,852 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:48:55,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 19:48:55,853 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:48:55,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:48:55,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1819626260, now seen corresponding path program 1 times [2022-11-18 19:48:55,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:48:55,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363114540] [2022-11-18 19:48:55,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:48:55,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:48:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:57,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:48:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:57,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:48:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:57,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:48:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:57,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:48:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:57,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:48:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:57,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 19:48:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:57,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:48:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:57,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:48:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:57,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:48:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:57,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:48:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:57,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:48:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:58,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 19:48:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:58,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 19:48:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:58,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 19:48:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:58,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:48:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:58,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:48:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:58,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:48:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:58,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 19:48:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:58,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 19:48:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:58,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:48:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:58,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:48:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:58,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 19:48:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:58,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:48:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:58,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 19:48:58,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:58,173 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 19:48:58,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:48:58,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363114540] [2022-11-18 19:48:58,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363114540] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:48:58,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:48:58,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:48:58,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684645642] [2022-11-18 19:48:58,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:48:58,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:48:58,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:48:58,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:48:58,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:48:58,180 INFO L87 Difference]: Start difference. First operand 1151 states and 1490 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-18 19:49:02,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:49:05,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:49:05,560 INFO L93 Difference]: Finished difference Result 1151 states and 1490 transitions. [2022-11-18 19:49:05,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:49:05,561 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 157 [2022-11-18 19:49:05,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:49:05,566 INFO L225 Difference]: With dead ends: 1151 [2022-11-18 19:49:05,566 INFO L226 Difference]: Without dead ends: 1149 [2022-11-18 19:49:05,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:49:05,567 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 2045 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 1980 mSolverCounterSat, 1016 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2211 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 2997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 1980 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:49:05,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2211 Valid, 2183 Invalid, 2997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 1980 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2022-11-18 19:49:05,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2022-11-18 19:49:05,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 1149. [2022-11-18 19:49:05,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1149 states, 760 states have (on average 1.1789473684210525) internal successors, (896), 781 states have internal predecessors, (896), 297 states have call successors, (297), 80 states have call predecessors, (297), 79 states have return successors, (295), 294 states have call predecessors, (295), 295 states have call successors, (295) [2022-11-18 19:49:05,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1488 transitions. [2022-11-18 19:49:05,773 INFO L78 Accepts]: Start accepts. Automaton has 1149 states and 1488 transitions. Word has length 157 [2022-11-18 19:49:05,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:49:05,774 INFO L495 AbstractCegarLoop]: Abstraction has 1149 states and 1488 transitions. [2022-11-18 19:49:05,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-18 19:49:05,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1488 transitions. [2022-11-18 19:49:05,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-11-18 19:49:05,777 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:49:05,777 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:49:05,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 19:49:05,778 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:49:05,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:49:05,778 INFO L85 PathProgramCache]: Analyzing trace with hash -316634236, now seen corresponding path program 1 times [2022-11-18 19:49:05,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:49:05,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779309161] [2022-11-18 19:49:05,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:49:05,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:49:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:49:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:49:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:49:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:49:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:49:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:49:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:49:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:49:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:49:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:49:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:49:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:49:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:49:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:49:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:49:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:49:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:49:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:49:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:49:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:49:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:49:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:49:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:49:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:49:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:49:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:49:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:06,978 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2022-11-18 19:49:06,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:49:06,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779309161] [2022-11-18 19:49:06,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779309161] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:49:06,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:49:06,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:49:06,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91772801] [2022-11-18 19:49:06,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:49:06,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:49:06,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:49:06,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:49:06,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:49:06,983 INFO L87 Difference]: Start difference. First operand 1149 states and 1488 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (20), 4 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 19:49:11,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:49:13,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:49:17,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:49:17,704 INFO L93 Difference]: Finished difference Result 2356 states and 2970 transitions. [2022-11-18 19:49:17,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:49:17,705 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (20), 4 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 196 [2022-11-18 19:49:17,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:49:17,716 INFO L225 Difference]: With dead ends: 2356 [2022-11-18 19:49:17,716 INFO L226 Difference]: Without dead ends: 1658 [2022-11-18 19:49:17,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:49:17,720 INFO L413 NwaCegarLoop]: 777 mSDtfsCounter, 2933 mSDsluCounter, 1669 mSDsCounter, 0 mSdLazyCounter, 2576 mSolverCounterSat, 1667 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3124 SdHoareTripleChecker+Valid, 2446 SdHoareTripleChecker+Invalid, 4244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1667 IncrementalHoareTripleChecker+Valid, 2576 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:49:17,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3124 Valid, 2446 Invalid, 4244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1667 Valid, 2576 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2022-11-18 19:49:17,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1658 states. [2022-11-18 19:49:18,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1658 to 1625. [2022-11-18 19:49:18,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1625 states, 1090 states have (on average 1.1825688073394496) internal successors, (1289), 1116 states have internal predecessors, (1289), 398 states have call successors, (398), 125 states have call predecessors, (398), 124 states have return successors, (396), 393 states have call predecessors, (396), 396 states have call successors, (396) [2022-11-18 19:49:18,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1625 states and 2083 transitions. [2022-11-18 19:49:18,045 INFO L78 Accepts]: Start accepts. Automaton has 1625 states and 2083 transitions. Word has length 196 [2022-11-18 19:49:18,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:49:18,046 INFO L495 AbstractCegarLoop]: Abstraction has 1625 states and 2083 transitions. [2022-11-18 19:49:18,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (20), 4 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 19:49:18,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 2083 transitions. [2022-11-18 19:49:18,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-18 19:49:18,048 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:49:18,049 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:49:18,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 19:49:18,050 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:49:18,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:49:18,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1172754331, now seen corresponding path program 1 times [2022-11-18 19:49:18,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:49:18,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027552548] [2022-11-18 19:49:18,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:49:18,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:49:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:18,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:49:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:18,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:49:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:19,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:49:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:19,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:49:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:19,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:49:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:19,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 19:49:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:19,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:49:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:19,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:19,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:49:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:19,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:49:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:19,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:49:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:19,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 19:49:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:19,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 19:49:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:19,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 19:49:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:19,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:49:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:19,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:49:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:19,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:49:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:19,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 19:49:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:19,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 19:49:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:19,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:49:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:19,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:49:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:19,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 19:49:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:19,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:49:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:19,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 19:49:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:19,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-18 19:49:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:19,265 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 19:49:19,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:49:19,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027552548] [2022-11-18 19:49:19,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027552548] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:49:19,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:49:19,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:49:19,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551911887] [2022-11-18 19:49:19,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:49:19,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:49:19,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:49:19,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:49:19,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:49:19,269 INFO L87 Difference]: Start difference. First operand 1625 states and 2083 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-18 19:49:25,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:49:25,159 INFO L93 Difference]: Finished difference Result 1625 states and 2083 transitions. [2022-11-18 19:49:25,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:49:25,160 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 163 [2022-11-18 19:49:25,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:49:25,167 INFO L225 Difference]: With dead ends: 1625 [2022-11-18 19:49:25,167 INFO L226 Difference]: Without dead ends: 1623 [2022-11-18 19:49:25,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:49:25,169 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 2039 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 1977 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2204 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 2993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 1977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:49:25,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2204 Valid, 2183 Invalid, 2993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 1977 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-11-18 19:49:25,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2022-11-18 19:49:25,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 1623. [2022-11-18 19:49:25,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1623 states, 1089 states have (on average 1.1818181818181819) internal successors, (1287), 1114 states have internal predecessors, (1287), 398 states have call successors, (398), 125 states have call predecessors, (398), 124 states have return successors, (396), 393 states have call predecessors, (396), 396 states have call successors, (396) [2022-11-18 19:49:25,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 1623 states and 2081 transitions. [2022-11-18 19:49:25,489 INFO L78 Accepts]: Start accepts. Automaton has 1623 states and 2081 transitions. Word has length 163 [2022-11-18 19:49:25,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:49:25,490 INFO L495 AbstractCegarLoop]: Abstraction has 1623 states and 2081 transitions. [2022-11-18 19:49:25,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-18 19:49:25,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 2081 transitions. [2022-11-18 19:49:25,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-11-18 19:49:25,493 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:49:25,493 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:49:25,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 19:49:25,494 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:49:25,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:49:25,494 INFO L85 PathProgramCache]: Analyzing trace with hash 458623091, now seen corresponding path program 1 times [2022-11-18 19:49:25,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:49:25,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681497240] [2022-11-18 19:49:25,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:49:25,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:49:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:49:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:49:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:49:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:49:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:49:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:49:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:49:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:49:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:49:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:49:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:49:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:49:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:49:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:49:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:49:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:49:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:49:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:49:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:49:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:49:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:49:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:49:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:49:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:49:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:49:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:49:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-18 19:49:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,809 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2022-11-18 19:49:26,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:49:26,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681497240] [2022-11-18 19:49:26,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681497240] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:49:26,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390132161] [2022-11-18 19:49:26,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:49:26,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:49:26,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:49:26,819 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:49:26,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 19:49:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:29,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 5417 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:49:29,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:49:29,460 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2022-11-18 19:49:29,460 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:49:29,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390132161] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:49:29,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:49:29,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-11-18 19:49:29,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895160188] [2022-11-18 19:49:29,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:49:29,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:49:29,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:49:29,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:49:29,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:49:29,464 INFO L87 Difference]: Start difference. First operand 1623 states and 2081 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-18 19:49:29,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:49:29,882 INFO L93 Difference]: Finished difference Result 2364 states and 2977 transitions. [2022-11-18 19:49:29,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:49:29,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 202 [2022-11-18 19:49:29,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:49:29,895 INFO L225 Difference]: With dead ends: 2364 [2022-11-18 19:49:29,895 INFO L226 Difference]: Without dead ends: 1675 [2022-11-18 19:49:29,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:49:29,900 INFO L413 NwaCegarLoop]: 1545 mSDtfsCounter, 1429 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1429 SdHoareTripleChecker+Valid, 1612 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:49:29,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1429 Valid, 1612 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:49:29,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2022-11-18 19:49:30,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1672. [2022-11-18 19:49:30,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1118 states have (on average 1.1779964221824686) internal successors, (1317), 1146 states have internal predecessors, (1317), 413 states have call successors, (413), 131 states have call predecessors, (413), 130 states have return successors, (411), 406 states have call predecessors, (411), 411 states have call successors, (411) [2022-11-18 19:49:30,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2141 transitions. [2022-11-18 19:49:30,212 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2141 transitions. Word has length 202 [2022-11-18 19:49:30,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:49:30,212 INFO L495 AbstractCegarLoop]: Abstraction has 1672 states and 2141 transitions. [2022-11-18 19:49:30,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-18 19:49:30,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2141 transitions. [2022-11-18 19:49:30,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-18 19:49:30,216 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:49:30,216 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:49:30,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 19:49:30,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:49:30,431 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:49:30,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:49:30,432 INFO L85 PathProgramCache]: Analyzing trace with hash -2112791250, now seen corresponding path program 1 times [2022-11-18 19:49:30,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:49:30,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713779266] [2022-11-18 19:49:30,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:49:30,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:49:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:49:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:49:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:49:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:49:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:49:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 19:49:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:49:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:49:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:49:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:49:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 19:49:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 19:49:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 19:49:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:49:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:49:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:49:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 19:49:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 19:49:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:49:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:49:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 19:49:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:49:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 19:49:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-18 19:49:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-18 19:49:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:31,589 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 19:49:31,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:49:31,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713779266] [2022-11-18 19:49:31,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713779266] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:49:31,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:49:31,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:49:31,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753258307] [2022-11-18 19:49:31,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:49:31,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:49:31,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:49:31,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:49:31,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:49:31,593 INFO L87 Difference]: Start difference. First operand 1672 states and 2141 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-18 19:49:37,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:49:37,962 INFO L93 Difference]: Finished difference Result 1672 states and 2141 transitions. [2022-11-18 19:49:37,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:49:37,963 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 169 [2022-11-18 19:49:37,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:49:37,973 INFO L225 Difference]: With dead ends: 1672 [2022-11-18 19:49:37,973 INFO L226 Difference]: Without dead ends: 1670 [2022-11-18 19:49:37,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:49:37,975 INFO L413 NwaCegarLoop]: 780 mSDtfsCounter, 2028 mSDsluCounter, 1384 mSDsCounter, 0 mSdLazyCounter, 1972 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2192 SdHoareTripleChecker+Valid, 2164 SdHoareTripleChecker+Invalid, 2988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 1972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:49:37,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2192 Valid, 2164 Invalid, 2988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 1972 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-11-18 19:49:37,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2022-11-18 19:49:38,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1670. [2022-11-18 19:49:38,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1670 states, 1117 states have (on average 1.1772605192479857) internal successors, (1315), 1144 states have internal predecessors, (1315), 413 states have call successors, (413), 131 states have call predecessors, (413), 130 states have return successors, (411), 406 states have call predecessors, (411), 411 states have call successors, (411) [2022-11-18 19:49:38,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 2139 transitions. [2022-11-18 19:49:38,319 INFO L78 Accepts]: Start accepts. Automaton has 1670 states and 2139 transitions. Word has length 169 [2022-11-18 19:49:38,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:49:38,320 INFO L495 AbstractCegarLoop]: Abstraction has 1670 states and 2139 transitions. [2022-11-18 19:49:38,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-18 19:49:38,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 2139 transitions. [2022-11-18 19:49:38,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-18 19:49:38,323 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:49:38,324 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:49:38,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-18 19:49:38,324 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:49:38,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:49:38,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1177196217, now seen corresponding path program 1 times [2022-11-18 19:49:38,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:49:38,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174404953] [2022-11-18 19:49:38,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:49:38,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:49:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:49:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:49:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:49:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:49:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:49:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 19:49:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:49:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:49:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:49:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:49:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 19:49:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 19:49:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 19:49:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:49:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:49:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:49:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 19:49:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 19:49:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:49:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:49:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 19:49:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:49:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 19:49:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-18 19:49:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-18 19:49:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-18 19:49:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:39,476 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 19:49:39,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:49:39,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174404953] [2022-11-18 19:49:39,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174404953] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:49:39,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:49:39,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:49:39,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922425259] [2022-11-18 19:49:39,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:49:39,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:49:39,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:49:39,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:49:39,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:49:39,488 INFO L87 Difference]: Start difference. First operand 1670 states and 2139 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-18 19:49:48,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:49:48,182 INFO L93 Difference]: Finished difference Result 3059 states and 3883 transitions. [2022-11-18 19:49:48,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 19:49:48,183 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 175 [2022-11-18 19:49:48,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:49:48,200 INFO L225 Difference]: With dead ends: 3059 [2022-11-18 19:49:48,201 INFO L226 Difference]: Without dead ends: 3057 [2022-11-18 19:49:48,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:49:48,203 INFO L413 NwaCegarLoop]: 1086 mSDtfsCounter, 2874 mSDsluCounter, 2199 mSDsCounter, 0 mSdLazyCounter, 3411 mSolverCounterSat, 1558 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3032 SdHoareTripleChecker+Valid, 3285 SdHoareTripleChecker+Invalid, 4969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1558 IncrementalHoareTripleChecker+Valid, 3411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:49:48,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3032 Valid, 3285 Invalid, 4969 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1558 Valid, 3411 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-11-18 19:49:48,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3057 states. [2022-11-18 19:49:48,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3057 to 3024. [2022-11-18 19:49:48,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3024 states, 2030 states have (on average 1.1724137931034482) internal successors, (2380), 2069 states have internal predecessors, (2380), 733 states have call successors, (733), 252 states have call predecessors, (733), 251 states have return successors, (740), 722 states have call predecessors, (740), 731 states have call successors, (740) [2022-11-18 19:49:48,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 3024 states and 3853 transitions. [2022-11-18 19:49:48,872 INFO L78 Accepts]: Start accepts. Automaton has 3024 states and 3853 transitions. Word has length 175 [2022-11-18 19:49:48,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:49:48,873 INFO L495 AbstractCegarLoop]: Abstraction has 3024 states and 3853 transitions. [2022-11-18 19:49:48,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-18 19:49:48,873 INFO L276 IsEmpty]: Start isEmpty. Operand 3024 states and 3853 transitions. [2022-11-18 19:49:48,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-18 19:49:48,876 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:49:48,876 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:49:48,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-18 19:49:48,876 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:49:48,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:49:48,877 INFO L85 PathProgramCache]: Analyzing trace with hash -2008268720, now seen corresponding path program 1 times [2022-11-18 19:49:48,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:49:48,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14476447] [2022-11-18 19:49:48,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:49:48,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:49:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:49:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:49:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:49:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:49:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:49:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 19:49:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:49:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:49:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:49:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:49:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 19:49:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 19:49:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 19:49:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:49:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:49:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:49:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 19:49:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 19:49:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:49:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:49:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 19:49:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:49:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 19:49:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-18 19:49:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-18 19:49:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-18 19:49:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-18 19:49:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:49,990 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 19:49:49,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:49:49,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14476447] [2022-11-18 19:49:49,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14476447] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:49:49,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:49:49,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:49:49,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979024488] [2022-11-18 19:49:49,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:49:49,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:49:49,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:49:49,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:49:49,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:49:49,996 INFO L87 Difference]: Start difference. First operand 3024 states and 3853 transitions. Second operand has 6 states, 6 states have (on average 18.5) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-18 19:49:56,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:49:56,674 INFO L93 Difference]: Finished difference Result 3024 states and 3853 transitions. [2022-11-18 19:49:56,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:49:56,675 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 181 [2022-11-18 19:49:56,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:49:56,744 INFO L225 Difference]: With dead ends: 3024 [2022-11-18 19:49:56,753 INFO L226 Difference]: Without dead ends: 3022 [2022-11-18 19:49:56,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:49:56,755 INFO L413 NwaCegarLoop]: 780 mSDtfsCounter, 2022 mSDsluCounter, 1384 mSDsCounter, 0 mSdLazyCounter, 1968 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2184 SdHoareTripleChecker+Valid, 2164 SdHoareTripleChecker+Invalid, 2984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 1968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:49:56,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2184 Valid, 2164 Invalid, 2984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 1968 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-11-18 19:49:56,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3022 states. [2022-11-18 19:49:57,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3022 to 3022. [2022-11-18 19:49:57,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3022 states, 2029 states have (on average 1.1720059142434698) internal successors, (2378), 2067 states have internal predecessors, (2378), 733 states have call successors, (733), 252 states have call predecessors, (733), 251 states have return successors, (740), 722 states have call predecessors, (740), 731 states have call successors, (740) [2022-11-18 19:49:57,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3022 states to 3022 states and 3851 transitions. [2022-11-18 19:49:57,403 INFO L78 Accepts]: Start accepts. Automaton has 3022 states and 3851 transitions. Word has length 181 [2022-11-18 19:49:57,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:49:57,404 INFO L495 AbstractCegarLoop]: Abstraction has 3022 states and 3851 transitions. [2022-11-18 19:49:57,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-18 19:49:57,404 INFO L276 IsEmpty]: Start isEmpty. Operand 3022 states and 3851 transitions. [2022-11-18 19:49:57,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-18 19:49:57,407 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:49:57,408 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:49:57,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-18 19:49:57,408 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:49:57,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:49:57,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1090898748, now seen corresponding path program 1 times [2022-11-18 19:49:57,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:49:57,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143807666] [2022-11-18 19:49:57,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:49:57,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:49:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:49:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:49:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:49:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:49:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:49:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 19:49:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:49:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:49:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:49:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:49:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 19:49:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 19:49:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 19:49:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:49:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:49:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:49:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 19:49:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 19:49:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:49:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:49:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 19:49:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:49:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 19:49:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-18 19:49:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-18 19:49:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-18 19:49:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-18 19:49:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-18 19:49:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,465 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 19:49:58,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:49:58,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143807666] [2022-11-18 19:49:58,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143807666] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:49:58,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:49:58,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:49:58,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515942727] [2022-11-18 19:49:58,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:49:58,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:49:58,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:49:58,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:49:58,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:49:58,469 INFO L87 Difference]: Start difference. First operand 3022 states and 3851 transitions. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-18 19:50:09,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:09,691 INFO L93 Difference]: Finished difference Result 5892 states and 7560 transitions. [2022-11-18 19:50:09,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 19:50:09,692 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 187 [2022-11-18 19:50:09,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:09,725 INFO L225 Difference]: With dead ends: 5892 [2022-11-18 19:50:09,725 INFO L226 Difference]: Without dead ends: 5678 [2022-11-18 19:50:09,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:50:09,731 INFO L413 NwaCegarLoop]: 938 mSDtfsCounter, 2879 mSDsluCounter, 1861 mSDsCounter, 0 mSdLazyCounter, 3660 mSolverCounterSat, 1782 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3020 SdHoareTripleChecker+Valid, 2799 SdHoareTripleChecker+Invalid, 5442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1782 IncrementalHoareTripleChecker+Valid, 3660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:09,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3020 Valid, 2799 Invalid, 5442 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1782 Valid, 3660 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2022-11-18 19:50:09,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5678 states. [2022-11-18 19:50:10,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5678 to 5654. [2022-11-18 19:50:10,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5654 states, 3808 states have (on average 1.17515756302521) internal successors, (4475), 3864 states have internal predecessors, (4475), 1362 states have call successors, (1362), 478 states have call predecessors, (1362), 475 states have return successors, (1442), 1345 states have call predecessors, (1442), 1358 states have call successors, (1442) [2022-11-18 19:50:10,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5654 states to 5654 states and 7279 transitions. [2022-11-18 19:50:10,745 INFO L78 Accepts]: Start accepts. Automaton has 5654 states and 7279 transitions. Word has length 187 [2022-11-18 19:50:10,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:10,746 INFO L495 AbstractCegarLoop]: Abstraction has 5654 states and 7279 transitions. [2022-11-18 19:50:10,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-18 19:50:10,746 INFO L276 IsEmpty]: Start isEmpty. Operand 5654 states and 7279 transitions. [2022-11-18 19:50:10,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-11-18 19:50:10,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:10,749 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-18 19:50:10,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-18 19:50:10,750 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:50:10,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:10,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1135873952, now seen corresponding path program 1 times [2022-11-18 19:50:10,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:10,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363990835] [2022-11-18 19:50:10,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:10,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:50:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:50:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:50:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:50:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:50:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:50:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:50:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:50:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:50:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:50:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:50:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:50:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:50:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:50:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:50:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:50:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:50:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:50:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:50:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:50:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:50:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:50:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:50:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:50:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:50:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:50:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 19:50:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-18 19:50:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-18 19:50:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-18 19:50:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-18 19:50:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-18 19:50:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:13,604 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2022-11-18 19:50:13,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:50:13,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363990835] [2022-11-18 19:50:13,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363990835] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:50:13,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265518280] [2022-11-18 19:50:13,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:13,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:50:13,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:50:13,607 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:50:13,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 19:50:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:16,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 5797 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 19:50:16,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:50:16,301 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2022-11-18 19:50:16,302 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:50:16,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1265518280] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:16,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:50:16,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2022-11-18 19:50:16,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348518265] [2022-11-18 19:50:16,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:16,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:50:16,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:50:16,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:50:16,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-11-18 19:50:16,305 INFO L87 Difference]: Start difference. First operand 5654 states and 7279 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-18 19:50:17,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:17,920 INFO L93 Difference]: Finished difference Result 11235 states and 14460 transitions. [2022-11-18 19:50:17,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:50:17,921 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 242 [2022-11-18 19:50:17,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:17,950 INFO L225 Difference]: With dead ends: 11235 [2022-11-18 19:50:17,950 INFO L226 Difference]: Without dead ends: 5608 [2022-11-18 19:50:17,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-11-18 19:50:17,975 INFO L413 NwaCegarLoop]: 1449 mSDtfsCounter, 5 mSDsluCounter, 5737 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 7186 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:17,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 7186 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 19:50:17,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5608 states. [2022-11-18 19:50:19,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5608 to 5608. [2022-11-18 19:50:19,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5608 states, 3781 states have (on average 1.1756149166887067) internal successors, (4445), 3834 states have internal predecessors, (4445), 1349 states have call successors, (1349), 472 states have call predecessors, (1349), 469 states have return successors, (1429), 1333 states have call predecessors, (1429), 1345 states have call successors, (1429) [2022-11-18 19:50:19,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5608 states to 5608 states and 7223 transitions. [2022-11-18 19:50:19,258 INFO L78 Accepts]: Start accepts. Automaton has 5608 states and 7223 transitions. Word has length 242 [2022-11-18 19:50:19,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:19,258 INFO L495 AbstractCegarLoop]: Abstraction has 5608 states and 7223 transitions. [2022-11-18 19:50:19,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-18 19:50:19,259 INFO L276 IsEmpty]: Start isEmpty. Operand 5608 states and 7223 transitions. [2022-11-18 19:50:19,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-11-18 19:50:19,261 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:19,261 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-18 19:50:19,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 19:50:19,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-11-18 19:50:19,483 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:50:19,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:19,484 INFO L85 PathProgramCache]: Analyzing trace with hash 717635554, now seen corresponding path program 1 times [2022-11-18 19:50:19,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:19,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207317197] [2022-11-18 19:50:19,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:19,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:21,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:50:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:21,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:50:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:21,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:50:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:50:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:50:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:50:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:50:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:50:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:50:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:50:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:50:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:50:22,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:50:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:50:22,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:50:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:50:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:50:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:50:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:50:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:50:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:50:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:50:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:50:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:50:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:50:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:50:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 19:50:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-18 19:50:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-18 19:50:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-18 19:50:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-18 19:50:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-18 19:50:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,317 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2022-11-18 19:50:22,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:50:22,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207317197] [2022-11-18 19:50:22,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207317197] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:50:22,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604716902] [2022-11-18 19:50:22,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:22,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:50:22,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:50:22,320 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:50:22,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 19:50:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:25,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 5795 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 19:50:25,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:50:25,173 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2022-11-18 19:50:25,173 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:50:25,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604716902] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:25,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:50:25,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2022-11-18 19:50:25,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962856686] [2022-11-18 19:50:25,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:25,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:50:25,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:50:25,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:50:25,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:50:25,177 INFO L87 Difference]: Start difference. First operand 5608 states and 7223 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-18 19:50:26,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:26,243 INFO L93 Difference]: Finished difference Result 11143 states and 14341 transitions. [2022-11-18 19:50:26,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:50:26,244 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 242 [2022-11-18 19:50:26,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:26,273 INFO L225 Difference]: With dead ends: 11143 [2022-11-18 19:50:26,274 INFO L226 Difference]: Without dead ends: 5613 [2022-11-18 19:50:26,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:50:26,299 INFO L413 NwaCegarLoop]: 1471 mSDtfsCounter, 3 mSDsluCounter, 2936 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4407 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:26,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 4407 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:50:26,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5613 states. [2022-11-18 19:50:27,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5613 to 5610. [2022-11-18 19:50:27,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5610 states, 3783 states have (on average 1.175522072429289) internal successors, (4447), 3836 states have internal predecessors, (4447), 1349 states have call successors, (1349), 472 states have call predecessors, (1349), 469 states have return successors, (1429), 1333 states have call predecessors, (1429), 1345 states have call successors, (1429) [2022-11-18 19:50:27,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5610 states to 5610 states and 7225 transitions. [2022-11-18 19:50:27,291 INFO L78 Accepts]: Start accepts. Automaton has 5610 states and 7225 transitions. Word has length 242 [2022-11-18 19:50:27,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:27,292 INFO L495 AbstractCegarLoop]: Abstraction has 5610 states and 7225 transitions. [2022-11-18 19:50:27,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-18 19:50:27,292 INFO L276 IsEmpty]: Start isEmpty. Operand 5610 states and 7225 transitions. [2022-11-18 19:50:27,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-11-18 19:50:27,295 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:27,295 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:50:27,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 19:50:27,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:50:27,515 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:50:27,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:27,516 INFO L85 PathProgramCache]: Analyzing trace with hash -2092212697, now seen corresponding path program 1 times [2022-11-18 19:50:27,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:27,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756226463] [2022-11-18 19:50:27,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:27,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:50:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:50:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:50:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:50:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:50:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:50:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:50:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:50:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:50:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:50:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:50:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:50:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:50:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:50:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:50:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:50:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:50:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:50:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:50:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:50:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:50:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:50:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:50:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:50:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:50:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:50:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 19:50:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-18 19:50:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-18 19:50:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-18 19:50:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 19:50:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-18 19:50:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,859 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2022-11-18 19:50:29,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:50:29,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756226463] [2022-11-18 19:50:29,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756226463] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:50:29,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542077295] [2022-11-18 19:50:29,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:29,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:50:29,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:50:29,862 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:50:29,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 19:50:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:32,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 5805 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 19:50:32,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:50:32,755 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2022-11-18 19:50:32,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:50:33,061 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2022-11-18 19:50:33,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542077295] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:50:33,062 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:50:33,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 15 [2022-11-18 19:50:33,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571012247] [2022-11-18 19:50:33,064 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:50:33,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-18 19:50:33,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:50:33,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-18 19:50:33,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-11-18 19:50:33,066 INFO L87 Difference]: Start difference. First operand 5610 states and 7225 transitions. Second operand has 15 states, 14 states have (on average 10.357142857142858) internal successors, (145), 11 states have internal predecessors, (145), 3 states have call successors, (46), 5 states have call predecessors, (46), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-18 19:50:45,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:50:54,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:54,960 INFO L93 Difference]: Finished difference Result 11269 states and 14542 transitions. [2022-11-18 19:50:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:50:54,961 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 10.357142857142858) internal successors, (145), 11 states have internal predecessors, (145), 3 states have call successors, (46), 5 states have call predecessors, (46), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 246 [2022-11-18 19:50:54,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:54,994 INFO L225 Difference]: With dead ends: 11269 [2022-11-18 19:50:54,994 INFO L226 Difference]: Without dead ends: 5698 [2022-11-18 19:50:55,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 584 GetRequests, 560 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=550, Unknown=0, NotChecked=0, Total=650 [2022-11-18 19:50:55,018 INFO L413 NwaCegarLoop]: 759 mSDtfsCounter, 1690 mSDsluCounter, 5421 mSDsCounter, 0 mSdLazyCounter, 8597 mSolverCounterSat, 1142 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1873 SdHoareTripleChecker+Valid, 6180 SdHoareTripleChecker+Invalid, 9740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1142 IncrementalHoareTripleChecker+Valid, 8597 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:55,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1873 Valid, 6180 Invalid, 9740 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1142 Valid, 8597 Invalid, 1 Unknown, 0 Unchecked, 20.3s Time] [2022-11-18 19:50:55,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5698 states. [2022-11-18 19:50:56,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5698 to 5628. [2022-11-18 19:50:56,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5628 states, 3799 states have (on average 1.1745196104237958) internal successors, (4462), 3854 states have internal predecessors, (4462), 1349 states have call successors, (1349), 472 states have call predecessors, (1349), 471 states have return successors, (1433), 1333 states have call predecessors, (1433), 1345 states have call successors, (1433) [2022-11-18 19:50:56,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5628 states to 5628 states and 7244 transitions. [2022-11-18 19:50:56,052 INFO L78 Accepts]: Start accepts. Automaton has 5628 states and 7244 transitions. Word has length 246 [2022-11-18 19:50:56,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:56,052 INFO L495 AbstractCegarLoop]: Abstraction has 5628 states and 7244 transitions. [2022-11-18 19:50:56,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 10.357142857142858) internal successors, (145), 11 states have internal predecessors, (145), 3 states have call successors, (46), 5 states have call predecessors, (46), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-18 19:50:56,053 INFO L276 IsEmpty]: Start isEmpty. Operand 5628 states and 7244 transitions. [2022-11-18 19:50:56,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-18 19:50:56,054 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:56,055 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:50:56,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 19:50:56,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:50:56,255 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:50:56,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:56,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1790880692, now seen corresponding path program 1 times [2022-11-18 19:50:56,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:56,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749961889] [2022-11-18 19:50:56,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:56,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:50:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:50:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:50:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:50:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:50:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:50:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:50:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:50:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:50:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:50:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:50:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:50:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:50:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:50:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:50:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:50:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:50:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:50:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:50:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:50:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:50:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:50:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:50:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:50:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:50:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:50:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 19:50:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-18 19:50:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-18 19:50:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-18 19:50:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-11-18 19:50:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-18 19:50:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:58,296 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2022-11-18 19:50:58,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:50:58,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749961889] [2022-11-18 19:50:58,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749961889] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:50:58,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986420232] [2022-11-18 19:50:58,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:58,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:50:58,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:50:58,299 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:50:58,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 19:51:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:01,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 5836 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 19:51:01,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:51:01,592 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2022-11-18 19:51:01,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:51:02,073 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2022-11-18 19:51:02,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986420232] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:51:02,074 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:51:02,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 21 [2022-11-18 19:51:02,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265004258] [2022-11-18 19:51:02,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:51:02,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-18 19:51:02,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:51:02,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-18 19:51:02,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=355, Unknown=0, NotChecked=0, Total=420 [2022-11-18 19:51:02,077 INFO L87 Difference]: Start difference. First operand 5628 states and 7244 transitions. Second operand has 21 states, 20 states have (on average 8.3) internal successors, (166), 17 states have internal predecessors, (166), 3 states have call successors, (45), 5 states have call predecessors, (45), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-18 19:51:09,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:51:14,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:51:26,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:51:26,216 INFO L93 Difference]: Finished difference Result 11307 states and 14582 transitions. [2022-11-18 19:51:26,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 19:51:26,217 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 8.3) internal successors, (166), 17 states have internal predecessors, (166), 3 states have call successors, (45), 5 states have call predecessors, (45), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 258 [2022-11-18 19:51:26,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:51:26,245 INFO L225 Difference]: With dead ends: 11307 [2022-11-18 19:51:26,245 INFO L226 Difference]: Without dead ends: 5722 [2022-11-18 19:51:26,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 614 GetRequests, 578 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=223, Invalid=1183, Unknown=0, NotChecked=0, Total=1406 [2022-11-18 19:51:26,270 INFO L413 NwaCegarLoop]: 766 mSDtfsCounter, 1735 mSDsluCounter, 7236 mSDsCounter, 0 mSdLazyCounter, 11353 mSolverCounterSat, 1148 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1916 SdHoareTripleChecker+Valid, 8002 SdHoareTripleChecker+Invalid, 12503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1148 IncrementalHoareTripleChecker+Valid, 11353 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:51:26,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1916 Valid, 8002 Invalid, 12503 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1148 Valid, 11353 Invalid, 2 Unknown, 0 Unchecked, 21.9s Time] [2022-11-18 19:51:26,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5722 states. [2022-11-18 19:51:27,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5722 to 5652. [2022-11-18 19:51:27,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5652 states, 3823 states have (on average 1.1731624378760137) internal successors, (4485), 3878 states have internal predecessors, (4485), 1349 states have call successors, (1349), 472 states have call predecessors, (1349), 471 states have return successors, (1433), 1333 states have call predecessors, (1433), 1345 states have call successors, (1433) [2022-11-18 19:51:27,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5652 states to 5652 states and 7267 transitions. [2022-11-18 19:51:27,616 INFO L78 Accepts]: Start accepts. Automaton has 5652 states and 7267 transitions. Word has length 258 [2022-11-18 19:51:27,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:51:27,617 INFO L495 AbstractCegarLoop]: Abstraction has 5652 states and 7267 transitions. [2022-11-18 19:51:27,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 8.3) internal successors, (166), 17 states have internal predecessors, (166), 3 states have call successors, (45), 5 states have call predecessors, (45), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-18 19:51:27,617 INFO L276 IsEmpty]: Start isEmpty. Operand 5652 states and 7267 transitions. [2022-11-18 19:51:27,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-11-18 19:51:27,620 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:51:27,620 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2022-11-18 19:51:27,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:27,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-11-18 19:51:27,835 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:51:27,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:27,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1664395367, now seen corresponding path program 1 times [2022-11-18 19:51:27,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:27,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652025735] [2022-11-18 19:51:27,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:27,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:51:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:51:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:51:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:51:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:51:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:51:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:51:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:51:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:51:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:51:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:51:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:51:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:51:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:51:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:51:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:51:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:51:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:51:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:51:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:51:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:51:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:51:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:51:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:51:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:51:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:51:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:51:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:51:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:51:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:51:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:51:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:51:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-18 19:51:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-18 19:51:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-18 19:51:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:51:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-18 19:51:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-11-18 19:51:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-18 19:51:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-18 19:51:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-18 19:51:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-18 19:51:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:29,621 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2022-11-18 19:51:29,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:51:29,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652025735] [2022-11-18 19:51:29,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652025735] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:51:29,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:51:29,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 19:51:29,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182721631] [2022-11-18 19:51:29,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:51:29,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:51:29,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:51:29,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:51:29,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:51:29,624 INFO L87 Difference]: Start difference. First operand 5652 states and 7267 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-18 19:51:32,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:51:36,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:51:42,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:51:42,647 INFO L93 Difference]: Finished difference Result 7256 states and 9251 transitions. [2022-11-18 19:51:42,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 19:51:42,648 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 267 [2022-11-18 19:51:42,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:51:42,681 INFO L225 Difference]: With dead ends: 7256 [2022-11-18 19:51:42,681 INFO L226 Difference]: Without dead ends: 7254 [2022-11-18 19:51:42,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-11-18 19:51:42,687 INFO L413 NwaCegarLoop]: 776 mSDtfsCounter, 3032 mSDsluCounter, 2380 mSDsCounter, 0 mSdLazyCounter, 3718 mSolverCounterSat, 1899 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3181 SdHoareTripleChecker+Valid, 3156 SdHoareTripleChecker+Invalid, 5618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1899 IncrementalHoareTripleChecker+Valid, 3718 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:51:42,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3181 Valid, 3156 Invalid, 5618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1899 Valid, 3718 Invalid, 1 Unknown, 0 Unchecked, 11.4s Time] [2022-11-18 19:51:42,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7254 states. [2022-11-18 19:51:43,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7254 to 7130. [2022-11-18 19:51:43,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7130 states, 4854 states have (on average 1.1784095591264936) internal successors, (5720), 4908 states have internal predecessors, (5720), 1613 states have call successors, (1613), 656 states have call predecessors, (1613), 655 states have return successors, (1713), 1597 states have call predecessors, (1713), 1609 states have call successors, (1713) [2022-11-18 19:51:43,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7130 states to 7130 states and 9046 transitions. [2022-11-18 19:51:43,942 INFO L78 Accepts]: Start accepts. Automaton has 7130 states and 9046 transitions. Word has length 267 [2022-11-18 19:51:43,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:51:43,943 INFO L495 AbstractCegarLoop]: Abstraction has 7130 states and 9046 transitions. [2022-11-18 19:51:43,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-18 19:51:43,943 INFO L276 IsEmpty]: Start isEmpty. Operand 7130 states and 9046 transitions. [2022-11-18 19:51:43,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-11-18 19:51:43,945 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:51:43,946 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2022-11-18 19:51:43,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-18 19:51:43,946 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:51:43,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:43,946 INFO L85 PathProgramCache]: Analyzing trace with hash 769891327, now seen corresponding path program 1 times [2022-11-18 19:51:43,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:43,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44508783] [2022-11-18 19:51:43,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:43,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:51:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:51:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:51:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:51:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:51:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:51:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:51:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:51:45,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:51:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:51:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:51:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:51:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:51:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:51:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:51:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:51:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:51:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:51:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:51:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:51:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:51:45,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:51:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:51:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:51:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:51:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:51:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:51:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:51:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:51:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:51:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:51:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:51:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-18 19:51:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-18 19:51:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-18 19:51:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:51:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-18 19:51:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-11-18 19:51:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-18 19:51:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-18 19:51:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-18 19:51:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-18 19:51:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-18 19:51:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-18 19:51:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 19:51:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-11-18 19:51:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:45,440 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2022-11-18 19:51:45,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:51:45,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44508783] [2022-11-18 19:51:45,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44508783] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:51:45,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:51:45,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-18 19:51:45,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079103087] [2022-11-18 19:51:45,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:51:45,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 19:51:45,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:51:45,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 19:51:45,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:51:45,443 INFO L87 Difference]: Start difference. First operand 7130 states and 9046 transitions. Second operand has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (39), 8 states have call predecessors, (39), 2 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-18 19:51:48,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:51:52,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:52:00,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:52:00,426 INFO L93 Difference]: Finished difference Result 7266 states and 9258 transitions. [2022-11-18 19:52:00,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:52:00,427 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (39), 8 states have call predecessors, (39), 2 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) Word has length 288 [2022-11-18 19:52:00,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:52:00,457 INFO L225 Difference]: With dead ends: 7266 [2022-11-18 19:52:00,457 INFO L226 Difference]: Without dead ends: 7264 [2022-11-18 19:52:00,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=321, Unknown=0, NotChecked=0, Total=462 [2022-11-18 19:52:00,462 INFO L413 NwaCegarLoop]: 765 mSDtfsCounter, 2278 mSDsluCounter, 3256 mSDsCounter, 0 mSdLazyCounter, 5196 mSolverCounterSat, 2067 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2291 SdHoareTripleChecker+Valid, 4021 SdHoareTripleChecker+Invalid, 7263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2067 IncrementalHoareTripleChecker+Valid, 5196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:52:00,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2291 Valid, 4021 Invalid, 7263 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2067 Valid, 5196 Invalid, 0 Unknown, 0 Unchecked, 13.3s Time] [2022-11-18 19:52:00,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7264 states. [2022-11-18 19:52:01,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7264 to 7128. [2022-11-18 19:52:01,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7128 states, 4853 states have (on average 1.1767978569956727) internal successors, (5711), 4906 states have internal predecessors, (5711), 1613 states have call successors, (1613), 656 states have call predecessors, (1613), 655 states have return successors, (1713), 1597 states have call predecessors, (1713), 1609 states have call successors, (1713) [2022-11-18 19:52:01,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7128 states to 7128 states and 9037 transitions. [2022-11-18 19:52:01,784 INFO L78 Accepts]: Start accepts. Automaton has 7128 states and 9037 transitions. Word has length 288 [2022-11-18 19:52:01,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:52:01,784 INFO L495 AbstractCegarLoop]: Abstraction has 7128 states and 9037 transitions. [2022-11-18 19:52:01,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (39), 8 states have call predecessors, (39), 2 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-18 19:52:01,784 INFO L276 IsEmpty]: Start isEmpty. Operand 7128 states and 9037 transitions. [2022-11-18 19:52:01,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-11-18 19:52:01,787 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:52:01,787 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2022-11-18 19:52:01,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-18 19:52:01,788 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:52:01,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:01,788 INFO L85 PathProgramCache]: Analyzing trace with hash 2075451465, now seen corresponding path program 1 times [2022-11-18 19:52:01,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:01,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7251401] [2022-11-18 19:52:01,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:01,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:03,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:52:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:03,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:52:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:03,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:52:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:03,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:52:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:03,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:52:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:03,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:03,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:03,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:03,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:52:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:03,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:03,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:03,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:03,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:52:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:03,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:03,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:03,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:03,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:52:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:03,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:03,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:03,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:04,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:52:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:04,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:04,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:04,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:04,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:52:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:04,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:52:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:04,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:52:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:04,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:52:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:04,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:52:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:04,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:52:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:04,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:04,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:52:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:04,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-18 19:52:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:04,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-18 19:52:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:04,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-18 19:52:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:04,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:04,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-18 19:52:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:04,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-11-18 19:52:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:04,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-18 19:52:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:04,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-18 19:52:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:04,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-18 19:52:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:04,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-18 19:52:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:04,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-18 19:52:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:04,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-18 19:52:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:04,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-18 19:52:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:04,187 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2022-11-18 19:52:04,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:52:04,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7251401] [2022-11-18 19:52:04,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7251401] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:52:04,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051860194] [2022-11-18 19:52:04,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:04,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:52:04,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:52:04,189 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:52:04,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 19:52:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:07,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 5980 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-18 19:52:07,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:52:07,473 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2022-11-18 19:52:07,473 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:52:07,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051860194] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:52:07,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:52:07,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [11] total 23 [2022-11-18 19:52:07,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865795275] [2022-11-18 19:52:07,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:52:07,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-18 19:52:07,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:52:07,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-18 19:52:07,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=462, Unknown=0, NotChecked=0, Total=506 [2022-11-18 19:52:07,478 INFO L87 Difference]: Start difference. First operand 7128 states and 9037 transitions. Second operand has 14 states, 13 states have (on average 9.0) internal successors, (117), 13 states have internal predecessors, (117), 6 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) [2022-11-18 19:52:09,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:52:09,450 INFO L93 Difference]: Finished difference Result 8688 states and 10901 transitions. [2022-11-18 19:52:09,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 19:52:09,451 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.0) internal successors, (117), 13 states have internal predecessors, (117), 6 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) Word has length 288 [2022-11-18 19:52:09,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:52:09,481 INFO L225 Difference]: With dead ends: 8688 [2022-11-18 19:52:09,482 INFO L226 Difference]: Without dead ends: 7128 [2022-11-18 19:52:09,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=107, Invalid=823, Unknown=0, NotChecked=0, Total=930 [2022-11-18 19:52:09,490 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 49 mSDsluCounter, 17136 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 18572 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:52:09,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 18572 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 19:52:09,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7128 states. [2022-11-18 19:52:10,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7128 to 7128. [2022-11-18 19:52:10,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7128 states, 4853 states have (on average 1.1765917988872863) internal successors, (5710), 4906 states have internal predecessors, (5710), 1613 states have call successors, (1613), 656 states have call predecessors, (1613), 655 states have return successors, (1713), 1597 states have call predecessors, (1713), 1609 states have call successors, (1713) [2022-11-18 19:52:10,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7128 states to 7128 states and 9036 transitions. [2022-11-18 19:52:10,957 INFO L78 Accepts]: Start accepts. Automaton has 7128 states and 9036 transitions. Word has length 288 [2022-11-18 19:52:10,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:52:10,957 INFO L495 AbstractCegarLoop]: Abstraction has 7128 states and 9036 transitions. [2022-11-18 19:52:10,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.0) internal successors, (117), 13 states have internal predecessors, (117), 6 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) [2022-11-18 19:52:10,957 INFO L276 IsEmpty]: Start isEmpty. Operand 7128 states and 9036 transitions. [2022-11-18 19:52:10,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-11-18 19:52:10,959 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:52:10,959 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 11, 10, 10, 10, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-18 19:52:10,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-18 19:52:11,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:52:11,160 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:52:11,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:11,161 INFO L85 PathProgramCache]: Analyzing trace with hash 925077460, now seen corresponding path program 1 times [2022-11-18 19:52:11,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:11,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964023755] [2022-11-18 19:52:11,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:11,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:52:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:52:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:52:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:52:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:52:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:52:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:52:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:52:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:52:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:13,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:52:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:52:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:52:13,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:52:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:52:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:52:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:52:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 19:52:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-18 19:52:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-18 19:52:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-18 19:52:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-11-18 19:52:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-18 19:52:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:13,277 INFO L134 CoverageAnalysis]: Checked inductivity of 637 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 627 trivial. 0 not checked. [2022-11-18 19:52:13,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:52:13,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964023755] [2022-11-18 19:52:13,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964023755] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:52:13,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344963154] [2022-11-18 19:52:13,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:13,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:52:13,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:52:13,280 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:52:13,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 19:52:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:16,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 5897 conjuncts, 42 conjunts are in the unsatisfiable core [2022-11-18 19:52:16,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:52:16,456 INFO L134 CoverageAnalysis]: Checked inductivity of 637 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2022-11-18 19:52:16,456 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:52:16,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344963154] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:52:16,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:52:16,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-11-18 19:52:16,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860209834] [2022-11-18 19:52:16,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:52:16,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:52:16,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:52:16,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:52:16,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:52:16,459 INFO L87 Difference]: Start difference. First operand 7128 states and 9036 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-18 19:52:17,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:52:17,828 INFO L93 Difference]: Finished difference Result 14200 states and 17993 transitions. [2022-11-18 19:52:17,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:52:17,829 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 282 [2022-11-18 19:52:17,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:52:17,863 INFO L225 Difference]: With dead ends: 14200 [2022-11-18 19:52:17,864 INFO L226 Difference]: Without dead ends: 7128 [2022-11-18 19:52:17,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-18 19:52:17,889 INFO L413 NwaCegarLoop]: 1463 mSDtfsCounter, 3 mSDsluCounter, 4376 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 5839 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:52:17,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 5839 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:52:17,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7128 states. [2022-11-18 19:52:19,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7128 to 7128. [2022-11-18 19:52:19,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7128 states, 4853 states have (on average 1.1763857407788996) internal successors, (5709), 4906 states have internal predecessors, (5709), 1613 states have call successors, (1613), 656 states have call predecessors, (1613), 655 states have return successors, (1713), 1597 states have call predecessors, (1713), 1609 states have call successors, (1713) [2022-11-18 19:52:19,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7128 states to 7128 states and 9035 transitions. [2022-11-18 19:52:19,283 INFO L78 Accepts]: Start accepts. Automaton has 7128 states and 9035 transitions. Word has length 282 [2022-11-18 19:52:19,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:52:19,284 INFO L495 AbstractCegarLoop]: Abstraction has 7128 states and 9035 transitions. [2022-11-18 19:52:19,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-18 19:52:19,284 INFO L276 IsEmpty]: Start isEmpty. Operand 7128 states and 9035 transitions. [2022-11-18 19:52:19,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-11-18 19:52:19,285 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:52:19,286 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 11, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-11-18 19:52:19,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-18 19:52:19,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:52:19,487 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:52:19,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:19,487 INFO L85 PathProgramCache]: Analyzing trace with hash -357153406, now seen corresponding path program 1 times [2022-11-18 19:52:19,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:19,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717776461] [2022-11-18 19:52:19,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:19,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:52:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:52:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:52:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:52:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:52:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:52:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:52:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:52:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:52:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:52:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:52:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:52:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:52:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:52:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:52:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:52:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-18 19:52:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 19:52:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 19:52:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 19:52:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-18 19:52:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-18 19:52:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-18 19:52:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:21,708 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2022-11-18 19:52:21,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:52:21,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717776461] [2022-11-18 19:52:21,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717776461] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:52:21,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547594559] [2022-11-18 19:52:21,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:21,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:52:21,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:52:21,710 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:52:21,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-18 19:52:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:25,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 5974 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-18 19:52:25,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:52:25,776 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2022-11-18 19:52:25,776 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:52:26,763 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2022-11-18 19:52:26,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547594559] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:52:26,764 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:52:26,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 25 [2022-11-18 19:52:26,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139121080] [2022-11-18 19:52:26,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:52:26,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-18 19:52:26,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:52:26,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-18 19:52:26,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=509, Unknown=0, NotChecked=0, Total=600 [2022-11-18 19:52:26,767 INFO L87 Difference]: Start difference. First operand 7128 states and 9035 transitions. Second operand has 25 states, 22 states have (on average 12.0) internal successors, (264), 17 states have internal predecessors, (264), 7 states have call successors, (83), 7 states have call predecessors, (83), 7 states have return successors, (77), 9 states have call predecessors, (77), 7 states have call successors, (77) [2022-11-18 19:52:33,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:52:56,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:52:56,596 INFO L93 Difference]: Finished difference Result 14728 states and 18957 transitions. [2022-11-18 19:52:56,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-18 19:52:56,596 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 22 states have (on average 12.0) internal successors, (264), 17 states have internal predecessors, (264), 7 states have call successors, (83), 7 states have call predecessors, (83), 7 states have return successors, (77), 9 states have call predecessors, (77), 7 states have call successors, (77) Word has length 303 [2022-11-18 19:52:56,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:52:56,631 INFO L225 Difference]: With dead ends: 14728 [2022-11-18 19:52:56,632 INFO L226 Difference]: Without dead ends: 7647 [2022-11-18 19:52:56,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 716 GetRequests, 674 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=308, Invalid=1584, Unknown=0, NotChecked=0, Total=1892 [2022-11-18 19:52:56,657 INFO L413 NwaCegarLoop]: 592 mSDtfsCounter, 5700 mSDsluCounter, 6950 mSDsCounter, 0 mSdLazyCounter, 15192 mSolverCounterSat, 4205 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5704 SdHoareTripleChecker+Valid, 7542 SdHoareTripleChecker+Invalid, 19398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4205 IncrementalHoareTripleChecker+Valid, 15192 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:52:56,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5704 Valid, 7542 Invalid, 19398 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4205 Valid, 15192 Invalid, 1 Unknown, 0 Unchecked, 27.4s Time] [2022-11-18 19:52:56,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7647 states. [2022-11-18 19:52:58,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7647 to 7414. [2022-11-18 19:52:58,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7414 states, 5052 states have (on average 1.1741884402216944) internal successors, (5932), 5106 states have internal predecessors, (5932), 1663 states have call successors, (1663), 692 states have call predecessors, (1663), 692 states have return successors, (1769), 1647 states have call predecessors, (1769), 1659 states have call successors, (1769) [2022-11-18 19:52:58,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7414 states to 7414 states and 9364 transitions. [2022-11-18 19:52:58,083 INFO L78 Accepts]: Start accepts. Automaton has 7414 states and 9364 transitions. Word has length 303 [2022-11-18 19:52:58,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:52:58,083 INFO L495 AbstractCegarLoop]: Abstraction has 7414 states and 9364 transitions. [2022-11-18 19:52:58,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 22 states have (on average 12.0) internal successors, (264), 17 states have internal predecessors, (264), 7 states have call successors, (83), 7 states have call predecessors, (83), 7 states have return successors, (77), 9 states have call predecessors, (77), 7 states have call successors, (77) [2022-11-18 19:52:58,084 INFO L276 IsEmpty]: Start isEmpty. Operand 7414 states and 9364 transitions. [2022-11-18 19:52:58,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-11-18 19:52:58,086 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:52:58,086 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 11, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-11-18 19:52:58,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-18 19:52:58,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2022-11-18 19:52:58,289 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:52:58,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:58,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1041859778, now seen corresponding path program 1 times [2022-11-18 19:52:58,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:58,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198307034] [2022-11-18 19:52:58,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:58,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:52:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:52:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:52:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:52:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:52:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:52:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:52:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:52:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:52:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:52:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:52:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:52:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:52:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:52:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:52:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:52:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-18 19:52:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 19:52:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 19:52:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 19:52:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-18 19:52:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-18 19:52:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-18 19:52:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:59,641 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 792 trivial. 0 not checked. [2022-11-18 19:52:59,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:52:59,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198307034] [2022-11-18 19:52:59,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198307034] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:52:59,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:52:59,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:52:59,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036482452] [2022-11-18 19:52:59,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:52:59,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:52:59,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:52:59,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:52:59,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:52:59,644 INFO L87 Difference]: Start difference. First operand 7414 states and 9364 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-11-18 19:53:04,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:53:10,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:53:10,863 INFO L93 Difference]: Finished difference Result 7562 states and 9597 transitions. [2022-11-18 19:53:10,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:53:10,863 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 303 [2022-11-18 19:53:10,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:53:10,888 INFO L225 Difference]: With dead ends: 7562 [2022-11-18 19:53:10,888 INFO L226 Difference]: Without dead ends: 7560 [2022-11-18 19:53:10,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-11-18 19:53:10,893 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 1297 mSDsluCounter, 2315 mSDsCounter, 0 mSdLazyCounter, 3320 mSolverCounterSat, 1142 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1297 SdHoareTripleChecker+Valid, 3087 SdHoareTripleChecker+Invalid, 4463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1142 IncrementalHoareTripleChecker+Valid, 3320 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:53:10,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1297 Valid, 3087 Invalid, 4463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1142 Valid, 3320 Invalid, 1 Unknown, 0 Unchecked, 9.3s Time] [2022-11-18 19:53:10,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7560 states. [2022-11-18 19:53:12,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7560 to 7418. [2022-11-18 19:53:12,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7418 states, 5056 states have (on average 1.1708860759493671) internal successors, (5920), 5110 states have internal predecessors, (5920), 1663 states have call successors, (1663), 692 states have call predecessors, (1663), 692 states have return successors, (1769), 1647 states have call predecessors, (1769), 1659 states have call successors, (1769) [2022-11-18 19:53:12,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7418 states to 7418 states and 9352 transitions. [2022-11-18 19:53:12,128 INFO L78 Accepts]: Start accepts. Automaton has 7418 states and 9352 transitions. Word has length 303 [2022-11-18 19:53:12,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:53:12,128 INFO L495 AbstractCegarLoop]: Abstraction has 7418 states and 9352 transitions. [2022-11-18 19:53:12,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-11-18 19:53:12,128 INFO L276 IsEmpty]: Start isEmpty. Operand 7418 states and 9352 transitions. [2022-11-18 19:53:12,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-11-18 19:53:12,131 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:53:12,131 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 11, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-11-18 19:53:12,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-18 19:53:12,132 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:53:12,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:53:12,132 INFO L85 PathProgramCache]: Analyzing trace with hash -144685626, now seen corresponding path program 1 times [2022-11-18 19:53:12,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:53:12,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657095710] [2022-11-18 19:53:12,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:53:12,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:53:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:12,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:53:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:12,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:53:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:12,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:53:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:12,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:53:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:12,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:53:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:12,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:12,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:12,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:53:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:12,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:53:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:12,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:12,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:12,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:53:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:12,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:53:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:12,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:12,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:12,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:12,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:12,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:53:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:12,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:53:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:12,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:12,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:12,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:53:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:12,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:53:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:12,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:12,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:12,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:53:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:12,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:53:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:13,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:53:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:13,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:53:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:13,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:53:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:13,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:53:13,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:13,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:53:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:13,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:13,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:53:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:13,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-18 19:53:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:13,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:13,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:13,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:53:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:13,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 19:53:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:13,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 19:53:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:13,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 19:53:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:13,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-18 19:53:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:13,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-18 19:53:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:13,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-18 19:53:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:13,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:13,138 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 792 trivial. 0 not checked. [2022-11-18 19:53:13,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:53:13,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657095710] [2022-11-18 19:53:13,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657095710] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:53:13,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:53:13,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:53:13,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184376621] [2022-11-18 19:53:13,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:53:13,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:53:13,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:53:13,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:53:13,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:53:13,142 INFO L87 Difference]: Start difference. First operand 7418 states and 9352 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-18 19:53:16,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:53:19,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:53:24,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:53:24,415 INFO L93 Difference]: Finished difference Result 14813 states and 18947 transitions. [2022-11-18 19:53:24,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:53:24,416 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 310 [2022-11-18 19:53:24,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:53:24,445 INFO L225 Difference]: With dead ends: 14813 [2022-11-18 19:53:24,445 INFO L226 Difference]: Without dead ends: 7526 [2022-11-18 19:53:24,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:53:24,474 INFO L413 NwaCegarLoop]: 774 mSDtfsCounter, 2561 mSDsluCounter, 1152 mSDsCounter, 0 mSdLazyCounter, 1798 mSolverCounterSat, 1476 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2738 SdHoareTripleChecker+Valid, 1926 SdHoareTripleChecker+Invalid, 3276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1476 IncrementalHoareTripleChecker+Valid, 1798 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:53:24,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2738 Valid, 1926 Invalid, 3276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1476 Valid, 1798 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2022-11-18 19:53:24,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7526 states. [2022-11-18 19:53:25,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7526 to 7386. [2022-11-18 19:53:25,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7386 states, 5024 states have (on average 1.1656050955414012) internal successors, (5856), 5078 states have internal predecessors, (5856), 1663 states have call successors, (1663), 692 states have call predecessors, (1663), 692 states have return successors, (1769), 1647 states have call predecessors, (1769), 1659 states have call successors, (1769) [2022-11-18 19:53:25,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7386 states to 7386 states and 9288 transitions. [2022-11-18 19:53:25,830 INFO L78 Accepts]: Start accepts. Automaton has 7386 states and 9288 transitions. Word has length 310 [2022-11-18 19:53:25,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:53:25,831 INFO L495 AbstractCegarLoop]: Abstraction has 7386 states and 9288 transitions. [2022-11-18 19:53:25,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-18 19:53:25,832 INFO L276 IsEmpty]: Start isEmpty. Operand 7386 states and 9288 transitions. [2022-11-18 19:53:25,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2022-11-18 19:53:25,835 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:53:25,835 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 11, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:53:25,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-18 19:53:25,836 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:53:25,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:53:25,836 INFO L85 PathProgramCache]: Analyzing trace with hash 778033888, now seen corresponding path program 1 times [2022-11-18 19:53:25,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:53:25,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515755129] [2022-11-18 19:53:25,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:53:25,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:53:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:53:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:53:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:53:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:53:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:53:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:53:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:53:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:53:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:53:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:53:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:53:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:53:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:53:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:53:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:53:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:53:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:53:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:53:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:53:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:53:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:53:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-18 19:53:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:53:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 19:53:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 19:53:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 19:53:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-18 19:53:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-18 19:53:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-18 19:53:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:53:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-18 19:53:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-11-18 19:53:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-11-18 19:53:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-18 19:53:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-18 19:53:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-11-18 19:53:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-18 19:53:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-11-18 19:53:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-11-18 19:53:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-11-18 19:53:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-11-18 19:53:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:28,629 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 885 trivial. 0 not checked. [2022-11-18 19:53:28,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:53:28,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515755129] [2022-11-18 19:53:28,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515755129] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:53:28,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554101547] [2022-11-18 19:53:28,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:53:28,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:53:28,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:53:28,632 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:53:28,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-18 19:53:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:32,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 6986 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-18 19:53:32,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:53:33,633 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 890 trivial. 0 not checked. [2022-11-18 19:53:33,633 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:53:34,702 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 13 proven. 18 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2022-11-18 19:53:34,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554101547] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:53:34,703 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:53:34,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 27 [2022-11-18 19:53:34,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995981071] [2022-11-18 19:53:34,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:53:34,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-18 19:53:34,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:53:34,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-18 19:53:34,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=605, Unknown=0, NotChecked=0, Total=702 [2022-11-18 19:53:34,707 INFO L87 Difference]: Start difference. First operand 7386 states and 9288 transitions. Second operand has 27 states, 24 states have (on average 16.625) internal successors, (399), 17 states have internal predecessors, (399), 7 states have call successors, (126), 9 states have call predecessors, (126), 7 states have return successors, (116), 9 states have call predecessors, (116), 7 states have call successors, (116) [2022-11-18 19:53:45,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:53:47,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:53:50,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:53:52,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:53:53,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:53:56,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:53:58,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:54:14,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:14,848 INFO L93 Difference]: Finished difference Result 14983 states and 18972 transitions. [2022-11-18 19:54:14,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-18 19:54:14,849 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 24 states have (on average 16.625) internal successors, (399), 17 states have internal predecessors, (399), 7 states have call successors, (126), 9 states have call predecessors, (126), 7 states have return successors, (116), 9 states have call predecessors, (116), 7 states have call successors, (116) Word has length 406 [2022-11-18 19:54:14,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:14,876 INFO L225 Difference]: With dead ends: 14983 [2022-11-18 19:54:14,876 INFO L226 Difference]: Without dead ends: 7665 [2022-11-18 19:54:14,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 950 GetRequests, 908 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=333, Invalid=1559, Unknown=0, NotChecked=0, Total=1892 [2022-11-18 19:54:14,894 INFO L413 NwaCegarLoop]: 590 mSDtfsCounter, 6021 mSDsluCounter, 6108 mSDsCounter, 0 mSdLazyCounter, 12945 mSolverCounterSat, 4901 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6032 SdHoareTripleChecker+Valid, 6698 SdHoareTripleChecker+Invalid, 17848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4901 IncrementalHoareTripleChecker+Valid, 12945 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:14,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6032 Valid, 6698 Invalid, 17848 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4901 Valid, 12945 Invalid, 2 Unknown, 0 Unchecked, 37.8s Time] [2022-11-18 19:54:14,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7665 states. [2022-11-18 19:54:15,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7665 to 7452. [2022-11-18 19:54:16,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7452 states, 5064 states have (on average 1.165086887835703) internal successors, (5900), 5135 states have internal predecessors, (5900), 1663 states have call successors, (1663), 692 states have call predecessors, (1663), 719 states have return successors, (1841), 1656 states have call predecessors, (1841), 1659 states have call successors, (1841) [2022-11-18 19:54:16,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7452 states to 7452 states and 9404 transitions. [2022-11-18 19:54:16,020 INFO L78 Accepts]: Start accepts. Automaton has 7452 states and 9404 transitions. Word has length 406 [2022-11-18 19:54:16,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:54:16,021 INFO L495 AbstractCegarLoop]: Abstraction has 7452 states and 9404 transitions. [2022-11-18 19:54:16,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 24 states have (on average 16.625) internal successors, (399), 17 states have internal predecessors, (399), 7 states have call successors, (126), 9 states have call predecessors, (126), 7 states have return successors, (116), 9 states have call predecessors, (116), 7 states have call successors, (116) [2022-11-18 19:54:16,021 INFO L276 IsEmpty]: Start isEmpty. Operand 7452 states and 9404 transitions. [2022-11-18 19:54:16,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2022-11-18 19:54:16,025 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:16,025 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 11, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:54:16,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-11-18 19:54:16,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2022-11-18 19:54:16,239 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:54:16,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:16,240 INFO L85 PathProgramCache]: Analyzing trace with hash -125699553, now seen corresponding path program 1 times [2022-11-18 19:54:16,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:16,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17109872] [2022-11-18 19:54:16,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:16,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:54:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:54:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:54:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:54:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:54:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:54:16,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:16,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:54:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:54:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:54:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:54:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:54:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:54:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:16,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:54:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:54:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:54:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:54:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:54:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:54:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:54:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:54:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-18 19:54:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:54:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 19:54:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 19:54:16,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 19:54:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-18 19:54:16,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-18 19:54:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-18 19:54:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:54:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-18 19:54:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:17,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 19:54:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:17,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-11-18 19:54:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:17,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-18 19:54:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:17,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-18 19:54:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:17,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-11-18 19:54:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:17,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-11-18 19:54:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:17,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-18 19:54:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:17,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-11-18 19:54:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:17,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-11-18 19:54:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:17,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:17,059 INFO L134 CoverageAnalysis]: Checked inductivity of 917 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 912 trivial. 0 not checked. [2022-11-18 19:54:17,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:17,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17109872] [2022-11-18 19:54:17,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17109872] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:54:17,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:54:17,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:54:17,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406738558] [2022-11-18 19:54:17,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:54:17,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:54:17,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:17,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:54:17,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:54:17,062 INFO L87 Difference]: Start difference. First operand 7452 states and 9404 transitions. Second operand has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (44), 6 states have call predecessors, (44), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-18 19:54:22,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:54:28,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:28,076 INFO L93 Difference]: Finished difference Result 9628 states and 12123 transitions. [2022-11-18 19:54:28,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:54:28,077 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (44), 6 states have call predecessors, (44), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 405 [2022-11-18 19:54:28,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:28,095 INFO L225 Difference]: With dead ends: 9628 [2022-11-18 19:54:28,095 INFO L226 Difference]: Without dead ends: 7582 [2022-11-18 19:54:28,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-11-18 19:54:28,101 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 2601 mSDsluCounter, 1459 mSDsCounter, 0 mSdLazyCounter, 2098 mSolverCounterSat, 1689 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2799 SdHoareTripleChecker+Valid, 2231 SdHoareTripleChecker+Invalid, 3787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1689 IncrementalHoareTripleChecker+Valid, 2098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:28,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2799 Valid, 2231 Invalid, 3787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1689 Valid, 2098 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2022-11-18 19:54:28,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7582 states. [2022-11-18 19:54:29,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7582 to 7446. [2022-11-18 19:54:29,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7446 states, 5059 states have (on average 1.164459379323977) internal successors, (5891), 5129 states have internal predecessors, (5891), 1663 states have call successors, (1663), 692 states have call predecessors, (1663), 719 states have return successors, (1841), 1656 states have call predecessors, (1841), 1659 states have call successors, (1841) [2022-11-18 19:54:29,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7446 states to 7446 states and 9395 transitions. [2022-11-18 19:54:29,257 INFO L78 Accepts]: Start accepts. Automaton has 7446 states and 9395 transitions. Word has length 405 [2022-11-18 19:54:29,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:54:29,257 INFO L495 AbstractCegarLoop]: Abstraction has 7446 states and 9395 transitions. [2022-11-18 19:54:29,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (44), 6 states have call predecessors, (44), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-18 19:54:29,258 INFO L276 IsEmpty]: Start isEmpty. Operand 7446 states and 9395 transitions. [2022-11-18 19:54:29,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2022-11-18 19:54:29,260 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:29,261 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 11, 10, 10, 10, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:54:29,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-18 19:54:29,261 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:54:29,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:29,261 INFO L85 PathProgramCache]: Analyzing trace with hash -116291122, now seen corresponding path program 1 times [2022-11-18 19:54:29,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:29,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740939033] [2022-11-18 19:54:29,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:29,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:54:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:54:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:54:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:54:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:54:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:54:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:54:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:54:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:54:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:54:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:54:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:54:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:54:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:54:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:54:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:54:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:54:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:54:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:54:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:54:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-18 19:54:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:54:31,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 19:54:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 19:54:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 19:54:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-18 19:54:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-18 19:54:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-18 19:54:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-18 19:54:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-18 19:54:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-18 19:54:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-11-18 19:54:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:54:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-11-18 19:54:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-11-18 19:54:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-11-18 19:54:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-11-18 19:54:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-11-18 19:54:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-11-18 19:54:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-11-18 19:54:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-11-18 19:54:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-11-18 19:54:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:54:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:31,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1006 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-11-18 19:54:31,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:31,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740939033] [2022-11-18 19:54:31,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740939033] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:54:31,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453548365] [2022-11-18 19:54:31,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:31,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:54:31,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:54:31,574 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:54:31,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-18 19:54:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:34,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 6955 conjuncts, 66 conjunts are in the unsatisfiable core [2022-11-18 19:54:34,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:54:35,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1006 backedges. 44 proven. 200 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2022-11-18 19:54:35,343 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:54:36,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1006 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1002 trivial. 0 not checked. [2022-11-18 19:54:36,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453548365] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-18 19:54:36,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-18 19:54:36,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10, 22] total 38 [2022-11-18 19:54:36,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721021509] [2022-11-18 19:54:36,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:54:36,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 19:54:36,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:36,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 19:54:36,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=1324, Unknown=0, NotChecked=0, Total=1406 [2022-11-18 19:54:36,049 INFO L87 Difference]: Start difference. First operand 7446 states and 9395 transitions. Second operand has 10 states, 10 states have (on average 14.4) internal successors, (144), 8 states have internal predecessors, (144), 3 states have call successors, (46), 2 states have call predecessors, (46), 3 states have return successors, (44), 5 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-18 19:54:37,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:37,700 INFO L93 Difference]: Finished difference Result 14632 states and 18598 transitions. [2022-11-18 19:54:37,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 19:54:37,701 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.4) internal successors, (144), 8 states have internal predecessors, (144), 3 states have call successors, (46), 2 states have call predecessors, (46), 3 states have return successors, (44), 5 states have call predecessors, (44), 3 states have call successors, (44) Word has length 445 [2022-11-18 19:54:37,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:37,727 INFO L225 Difference]: With dead ends: 14632 [2022-11-18 19:54:37,727 INFO L226 Difference]: Without dead ends: 7321 [2022-11-18 19:54:37,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1026 GetRequests, 987 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=96, Invalid=1544, Unknown=0, NotChecked=0, Total=1640 [2022-11-18 19:54:37,746 INFO L413 NwaCegarLoop]: 1472 mSDtfsCounter, 16 mSDsluCounter, 11728 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 13200 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:37,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 13200 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 19:54:37,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7321 states. [2022-11-18 19:54:38,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7321 to 7239. [2022-11-18 19:54:38,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7239 states, 4882 states have (on average 1.1509627201966408) internal successors, (5619), 4947 states have internal predecessors, (5619), 1645 states have call successors, (1645), 667 states have call predecessors, (1645), 707 states have return successors, (1834), 1656 states have call predecessors, (1834), 1641 states have call successors, (1834) [2022-11-18 19:54:38,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7239 states to 7239 states and 9098 transitions. [2022-11-18 19:54:38,844 INFO L78 Accepts]: Start accepts. Automaton has 7239 states and 9098 transitions. Word has length 445 [2022-11-18 19:54:38,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:54:38,844 INFO L495 AbstractCegarLoop]: Abstraction has 7239 states and 9098 transitions. [2022-11-18 19:54:38,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.4) internal successors, (144), 8 states have internal predecessors, (144), 3 states have call successors, (46), 2 states have call predecessors, (46), 3 states have return successors, (44), 5 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-18 19:54:38,845 INFO L276 IsEmpty]: Start isEmpty. Operand 7239 states and 9098 transitions. [2022-11-18 19:54:38,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2022-11-18 19:54:38,848 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:38,848 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 14, 14, 11, 10, 10, 10, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:54:38,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-18 19:54:39,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2022-11-18 19:54:39,049 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:54:39,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:39,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1446726465, now seen corresponding path program 1 times [2022-11-18 19:54:39,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:39,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819941609] [2022-11-18 19:54:39,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:39,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:54:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:54:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:54:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:54:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:54:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:54:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:54:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:54:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:54:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:54:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:54:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:54:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:54:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:54:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:54:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:54:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:54:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:54:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:54:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:54:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-18 19:54:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:54:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 19:54:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 19:54:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 19:54:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-18 19:54:40,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-18 19:54:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-18 19:54:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-18 19:54:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-18 19:54:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:54:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:54:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-18 19:54:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-18 19:54:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-11-18 19:54:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:54:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:54:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-11-18 19:54:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-11-18 19:54:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-11-18 19:54:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-11-18 19:54:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-11-18 19:54:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:54:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-11-18 19:54:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-11-18 19:54:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-11-18 19:54:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:54:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:54:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:54:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2022-11-18 19:54:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-11-18 19:54:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2022-11-18 19:54:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-11-18 19:54:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-11-18 19:54:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2022-11-18 19:54:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:54:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:40,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1397 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 1381 trivial. 0 not checked. [2022-11-18 19:54:40,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:40,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819941609] [2022-11-18 19:54:40,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819941609] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:54:40,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283735574] [2022-11-18 19:54:40,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:40,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:54:40,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:54:40,715 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:54:40,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-18 19:54:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:44,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 7814 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 19:54:44,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:54:44,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1397 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2022-11-18 19:54:44,423 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:54:44,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283735574] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:54:44,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:54:44,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 11 [2022-11-18 19:54:44,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238801830] [2022-11-18 19:54:44,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:54:44,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:54:44,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:44,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:54:44,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:54:44,427 INFO L87 Difference]: Start difference. First operand 7239 states and 9098 transitions. Second operand has 6 states, 6 states have (on average 32.833333333333336) internal successors, (197), 5 states have internal predecessors, (197), 2 states have call successors, (60), 2 states have call predecessors, (60), 3 states have return successors, (58), 3 states have call predecessors, (58), 2 states have call successors, (58) [2022-11-18 19:54:47,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:47,473 INFO L93 Difference]: Finished difference Result 14332 states and 18104 transitions. [2022-11-18 19:54:47,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:54:47,474 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 32.833333333333336) internal successors, (197), 5 states have internal predecessors, (197), 2 states have call successors, (60), 2 states have call predecessors, (60), 3 states have return successors, (58), 3 states have call predecessors, (58), 2 states have call successors, (58) Word has length 546 [2022-11-18 19:54:47,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:47,491 INFO L225 Difference]: With dead ends: 14332 [2022-11-18 19:54:47,491 INFO L226 Difference]: Without dead ends: 7621 [2022-11-18 19:54:47,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 712 GetRequests, 702 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:54:47,502 INFO L413 NwaCegarLoop]: 1683 mSDtfsCounter, 185 mSDsluCounter, 6380 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 8063 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:47,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 8063 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-18 19:54:47,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7621 states. [2022-11-18 19:54:48,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7621 to 7244. [2022-11-18 19:54:48,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7244 states, 4886 states have (on average 1.1508391322144904) internal successors, (5623), 4951 states have internal predecessors, (5623), 1645 states have call successors, (1645), 667 states have call predecessors, (1645), 708 states have return successors, (1840), 1657 states have call predecessors, (1840), 1641 states have call successors, (1840) [2022-11-18 19:54:48,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7244 states to 7244 states and 9108 transitions. [2022-11-18 19:54:48,538 INFO L78 Accepts]: Start accepts. Automaton has 7244 states and 9108 transitions. Word has length 546 [2022-11-18 19:54:48,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:54:48,539 INFO L495 AbstractCegarLoop]: Abstraction has 7244 states and 9108 transitions. [2022-11-18 19:54:48,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.833333333333336) internal successors, (197), 5 states have internal predecessors, (197), 2 states have call successors, (60), 2 states have call predecessors, (60), 3 states have return successors, (58), 3 states have call predecessors, (58), 2 states have call successors, (58) [2022-11-18 19:54:48,539 INFO L276 IsEmpty]: Start isEmpty. Operand 7244 states and 9108 transitions. [2022-11-18 19:54:48,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2022-11-18 19:54:48,542 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:48,542 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 11, 10, 10, 10, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:54:48,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-18 19:54:48,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2022-11-18 19:54:48,743 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:54:48,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:48,743 INFO L85 PathProgramCache]: Analyzing trace with hash -901766985, now seen corresponding path program 1 times [2022-11-18 19:54:48,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:48,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705469512] [2022-11-18 19:54:48,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:48,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:54:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:54:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:54:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:54:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:54:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:54:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:54:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:54:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:54:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:54:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:54:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:54:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:54:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:54:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:54:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:54:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:54:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:54:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:54:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:54:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-18 19:54:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:54:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 19:54:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 19:54:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 19:54:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-18 19:54:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-18 19:54:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-18 19:54:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-18 19:54:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-18 19:54:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-18 19:54:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-11-18 19:54:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:54:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-11-18 19:54:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-11-18 19:54:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-11-18 19:54:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:51,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:51,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:51,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:54:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:51,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:54:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:51,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:54:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:51,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-11-18 19:54:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:51,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-11-18 19:54:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:51,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-11-18 19:54:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:51,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:51,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-11-18 19:54:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:51,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-11-18 19:54:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:51,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-11-18 19:54:51,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:51,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:51,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:51,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:54:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:51,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1151 trivial. 0 not checked. [2022-11-18 19:54:51,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:51,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705469512] [2022-11-18 19:54:51,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705469512] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:54:51,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:54:51,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 19:54:51,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133151334] [2022-11-18 19:54:51,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:54:51,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 19:54:51,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:51,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 19:54:51,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:54:51,179 INFO L87 Difference]: Start difference. First operand 7244 states and 9108 transitions. Second operand has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 7 states have internal predecessors, (145), 4 states have call successors, (49), 7 states have call predecessors, (49), 2 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2022-11-18 19:54:55,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:54:59,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:55:02,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:55:04,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:55:06,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:55:11,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:55:24,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:55:24,089 INFO L93 Difference]: Finished difference Result 11719 states and 14836 transitions. [2022-11-18 19:55:24,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-18 19:55:24,089 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 7 states have internal predecessors, (145), 4 states have call successors, (49), 7 states have call predecessors, (49), 2 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) Word has length 461 [2022-11-18 19:55:24,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:55:24,119 INFO L225 Difference]: With dead ends: 11719 [2022-11-18 19:55:24,120 INFO L226 Difference]: Without dead ends: 11717 [2022-11-18 19:55:24,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=233, Invalid=697, Unknown=0, NotChecked=0, Total=930 [2022-11-18 19:55:24,125 INFO L413 NwaCegarLoop]: 1289 mSDtfsCounter, 6984 mSDsluCounter, 4753 mSDsCounter, 0 mSdLazyCounter, 11391 mSolverCounterSat, 4979 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7271 SdHoareTripleChecker+Valid, 6042 SdHoareTripleChecker+Invalid, 16373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4979 IncrementalHoareTripleChecker+Valid, 11391 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:55:24,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7271 Valid, 6042 Invalid, 16373 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4979 Valid, 11391 Invalid, 3 Unknown, 0 Unchecked, 29.9s Time] [2022-11-18 19:55:24,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11717 states. [2022-11-18 19:55:25,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11717 to 11236. [2022-11-18 19:55:25,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11236 states, 7612 states have (on average 1.1573830793483972) internal successors, (8810), 7709 states have internal predecessors, (8810), 2497 states have call successors, (2497), 985 states have call predecessors, (2497), 1122 states have return successors, (2956), 2587 states have call predecessors, (2956), 2493 states have call successors, (2956) [2022-11-18 19:55:25,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11236 states to 11236 states and 14263 transitions. [2022-11-18 19:55:25,887 INFO L78 Accepts]: Start accepts. Automaton has 11236 states and 14263 transitions. Word has length 461 [2022-11-18 19:55:25,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:55:25,888 INFO L495 AbstractCegarLoop]: Abstraction has 11236 states and 14263 transitions. [2022-11-18 19:55:25,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 7 states have internal predecessors, (145), 4 states have call successors, (49), 7 states have call predecessors, (49), 2 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2022-11-18 19:55:25,888 INFO L276 IsEmpty]: Start isEmpty. Operand 11236 states and 14263 transitions. [2022-11-18 19:55:25,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2022-11-18 19:55:25,896 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:55:25,897 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 12, 12, 11, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:25,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-11-18 19:55:25,897 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:55:25,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:25,898 INFO L85 PathProgramCache]: Analyzing trace with hash 141122934, now seen corresponding path program 1 times [2022-11-18 19:55:25,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:25,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143246099] [2022-11-18 19:55:25,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:25,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:55:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:55:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:55:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:55:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:55:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:55:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:55:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:55:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:55:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:55:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:55:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:55:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:55:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:55:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:55:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:55:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:55:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:55:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:55:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:55:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:55:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-18 19:55:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:55:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 19:55:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 19:55:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 19:55:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-18 19:55:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-18 19:55:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-18 19:55:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-18 19:55:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-18 19:55:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:55:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:55:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-18 19:55:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-11-18 19:55:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-11-18 19:55:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-11-18 19:55:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-11-18 19:55:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-18 19:55:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-11-18 19:55:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-11-18 19:55:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-11-18 19:55:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-11-18 19:55:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-11-18 19:55:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-11-18 19:55:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-11-18 19:55:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:27,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:55:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:55:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:28,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:28,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:28,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:55:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:28,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:55:28,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:28,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:55:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:28,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-18 19:55:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:28,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 1090 trivial. 0 not checked. [2022-11-18 19:55:28,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:28,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143246099] [2022-11-18 19:55:28,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143246099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:28,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:28,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-18 19:55:28,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641062066] [2022-11-18 19:55:28,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:28,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-18 19:55:28,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:28,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-18 19:55:28,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-18 19:55:28,034 INFO L87 Difference]: Start difference. First operand 11236 states and 14263 transitions. Second operand has 14 states, 13 states have (on average 14.615384615384615) internal successors, (190), 6 states have internal predecessors, (190), 3 states have call successors, (61), 8 states have call predecessors, (61), 3 states have return successors, (59), 4 states have call predecessors, (59), 3 states have call successors, (59) [2022-11-18 19:55:30,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:55:35,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:55:37,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:55:39,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:55:44,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:55:47,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:55:49,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:01,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:01,590 INFO L93 Difference]: Finished difference Result 19996 states and 25267 transitions. [2022-11-18 19:56:01,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-18 19:56:01,591 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 14.615384615384615) internal successors, (190), 6 states have internal predecessors, (190), 3 states have call successors, (61), 8 states have call predecessors, (61), 3 states have return successors, (59), 4 states have call predecessors, (59), 3 states have call successors, (59) Word has length 498 [2022-11-18 19:56:01,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:01,616 INFO L225 Difference]: With dead ends: 19996 [2022-11-18 19:56:01,616 INFO L226 Difference]: Without dead ends: 11629 [2022-11-18 19:56:01,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=209, Invalid=547, Unknown=0, NotChecked=0, Total=756 [2022-11-18 19:56:01,631 INFO L413 NwaCegarLoop]: 757 mSDtfsCounter, 1327 mSDsluCounter, 5603 mSDsCounter, 0 mSdLazyCounter, 8504 mSolverCounterSat, 1185 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1327 SdHoareTripleChecker+Valid, 6360 SdHoareTripleChecker+Invalid, 9690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1185 IncrementalHoareTripleChecker+Valid, 8504 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:01,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1327 Valid, 6360 Invalid, 9690 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1185 Valid, 8504 Invalid, 1 Unknown, 0 Unchecked, 30.9s Time] [2022-11-18 19:56:01,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11629 states. [2022-11-18 19:56:03,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11629 to 11308. [2022-11-18 19:56:03,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11308 states, 7660 states have (on average 1.1563968668407312) internal successors, (8858), 7757 states have internal predecessors, (8858), 2521 states have call successors, (2521), 985 states have call predecessors, (2521), 1122 states have return successors, (2980), 2611 states have call predecessors, (2980), 2517 states have call successors, (2980) [2022-11-18 19:56:03,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11308 states to 11308 states and 14359 transitions. [2022-11-18 19:56:03,244 INFO L78 Accepts]: Start accepts. Automaton has 11308 states and 14359 transitions. Word has length 498 [2022-11-18 19:56:03,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:03,245 INFO L495 AbstractCegarLoop]: Abstraction has 11308 states and 14359 transitions. [2022-11-18 19:56:03,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 14.615384615384615) internal successors, (190), 6 states have internal predecessors, (190), 3 states have call successors, (61), 8 states have call predecessors, (61), 3 states have return successors, (59), 4 states have call predecessors, (59), 3 states have call successors, (59) [2022-11-18 19:56:03,245 INFO L276 IsEmpty]: Start isEmpty. Operand 11308 states and 14359 transitions. [2022-11-18 19:56:03,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2022-11-18 19:56:03,249 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:03,249 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 11, 10, 10, 10, 9, 9, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:03,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-11-18 19:56:03,250 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:56:03,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:03,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1042693648, now seen corresponding path program 1 times [2022-11-18 19:56:03,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:03,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036168889] [2022-11-18 19:56:03,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:03,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:56:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:56:04,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:04,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:56:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:56:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:56:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:56:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:56:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:04,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:56:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:56:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:56:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:56:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:56:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:56:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:04,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:56:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:56:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-18 19:56:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 19:56:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 19:56:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 19:56:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-18 19:56:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-18 19:56:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-18 19:56:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:56:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-18 19:56:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-11-18 19:56:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-18 19:56:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-11-18 19:56:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-11-18 19:56:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-11-18 19:56:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-11-18 19:56:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-18 19:56:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-11-18 19:56:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-11-18 19:56:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-11-18 19:56:05,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-11-18 19:56:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-11-18 19:56:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-11-18 19:56:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-11-18 19:56:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 19:56:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-18 19:56:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:56:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:56:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:05,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1064 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 1048 trivial. 0 not checked. [2022-11-18 19:56:05,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:05,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036168889] [2022-11-18 19:56:05,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036168889] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:56:05,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422811110] [2022-11-18 19:56:05,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:05,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:05,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:56:05,279 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:56:05,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-18 19:56:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:08,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 7072 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-18 19:56:08,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:56:09,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1064 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 944 trivial. 0 not checked. [2022-11-18 19:56:09,184 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:56:09,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422811110] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:09,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:56:09,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [12] total 24 [2022-11-18 19:56:09,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482452778] [2022-11-18 19:56:09,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:09,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-18 19:56:09,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:09,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-18 19:56:09,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=503, Unknown=0, NotChecked=0, Total=552 [2022-11-18 19:56:09,186 INFO L87 Difference]: Start difference. First operand 11308 states and 14359 transitions. Second operand has 14 states, 13 states have (on average 15.076923076923077) internal successors, (196), 13 states have internal predecessors, (196), 6 states have call successors, (61), 2 states have call predecessors, (61), 4 states have return successors, (59), 6 states have call predecessors, (59), 6 states have call successors, (59) [2022-11-18 19:56:12,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:12,125 INFO L93 Difference]: Finished difference Result 15366 states and 19516 transitions. [2022-11-18 19:56:12,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 19:56:12,126 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 15.076923076923077) internal successors, (196), 13 states have internal predecessors, (196), 6 states have call successors, (61), 2 states have call predecessors, (61), 4 states have return successors, (59), 6 states have call predecessors, (59), 6 states have call successors, (59) Word has length 499 [2022-11-18 19:56:12,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:12,165 INFO L225 Difference]: With dead ends: 15366 [2022-11-18 19:56:12,165 INFO L226 Difference]: Without dead ends: 11748 [2022-11-18 19:56:12,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 661 GetRequests, 631 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=112, Invalid=880, Unknown=0, NotChecked=0, Total=992 [2022-11-18 19:56:12,179 INFO L413 NwaCegarLoop]: 1476 mSDtfsCounter, 392 mSDsluCounter, 17259 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 383 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 18735 SdHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 383 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:12,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 18735 Invalid, 947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [383 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-18 19:56:12,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11748 states. [2022-11-18 19:56:13,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11748 to 11396. [2022-11-18 19:56:13,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11396 states, 7726 states have (on average 1.1548019673828631) internal successors, (8922), 7831 states have internal predecessors, (8922), 2545 states have call successors, (2545), 983 states have call predecessors, (2545), 1120 states have return successors, (3000), 2627 states have call predecessors, (3000), 2541 states have call successors, (3000) [2022-11-18 19:56:13,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11396 states to 11396 states and 14467 transitions. [2022-11-18 19:56:13,939 INFO L78 Accepts]: Start accepts. Automaton has 11396 states and 14467 transitions. Word has length 499 [2022-11-18 19:56:13,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:13,940 INFO L495 AbstractCegarLoop]: Abstraction has 11396 states and 14467 transitions. [2022-11-18 19:56:13,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 15.076923076923077) internal successors, (196), 13 states have internal predecessors, (196), 6 states have call successors, (61), 2 states have call predecessors, (61), 4 states have return successors, (59), 6 states have call predecessors, (59), 6 states have call successors, (59) [2022-11-18 19:56:13,940 INFO L276 IsEmpty]: Start isEmpty. Operand 11396 states and 14467 transitions. [2022-11-18 19:56:13,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2022-11-18 19:56:13,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:13,946 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 16, 16, 16, 11, 10, 10, 10, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-18 19:56:13,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-18 19:56:14,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:14,147 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:56:14,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:14,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1617304222, now seen corresponding path program 1 times [2022-11-18 19:56:14,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:14,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888293857] [2022-11-18 19:56:14,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:14,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:56:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:56:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:56:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:56:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:56:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:56:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:56:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:56:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:56:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:56:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:56:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:56:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:56:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:56:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:15,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:56:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-18 19:56:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 19:56:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 19:56:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 19:56:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-18 19:56:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-18 19:56:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-18 19:56:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-18 19:56:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-18 19:56:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:56:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:56:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 19:56:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:56:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-11-18 19:56:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-18 19:56:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-18 19:56:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:56:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-11-18 19:56:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-11-18 19:56:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-11-18 19:56:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:56:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-11-18 19:56:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-11-18 19:56:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-11-18 19:56:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:16,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:16,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:56:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:16,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:16,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-11-18 19:56:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:16,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-11-18 19:56:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:16,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:16,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:16,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-11-18 19:56:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:16,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2022-11-18 19:56:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:16,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2022-11-18 19:56:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:16,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:16,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-11-18 19:56:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:16,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2022-11-18 19:56:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:16,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:16,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:16,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-11-18 19:56:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:16,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2022-11-18 19:56:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:16,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2022-11-18 19:56:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:16,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:16,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2022-11-18 19:56:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:16,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1622 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1616 trivial. 0 not checked. [2022-11-18 19:56:16,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:16,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888293857] [2022-11-18 19:56:16,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888293857] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:56:16,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732720652] [2022-11-18 19:56:16,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:16,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:16,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:56:16,128 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:56:16,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-18 19:56:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:20,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 8034 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 19:56:20,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:56:20,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1622 backedges. 531 proven. 0 refuted. 0 times theorem prover too weak. 1091 trivial. 0 not checked. [2022-11-18 19:56:20,097 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:56:20,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732720652] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:20,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:56:20,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 11 [2022-11-18 19:56:20,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709667248] [2022-11-18 19:56:20,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:20,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:56:20,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:20,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:56:20,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:56:20,101 INFO L87 Difference]: Start difference. First operand 11396 states and 14467 transitions. Second operand has 6 states, 6 states have (on average 35.666666666666664) internal successors, (214), 5 states have internal predecessors, (214), 2 states have call successors, (64), 2 states have call predecessors, (64), 3 states have return successors, (63), 3 states have call predecessors, (63), 2 states have call successors, (63) [2022-11-18 19:56:22,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:24,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:24,014 INFO L93 Difference]: Finished difference Result 22082 states and 28014 transitions. [2022-11-18 19:56:24,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:56:24,015 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 35.666666666666664) internal successors, (214), 5 states have internal predecessors, (214), 2 states have call successors, (64), 2 states have call predecessors, (64), 3 states have return successors, (63), 3 states have call predecessors, (63), 2 states have call successors, (63) Word has length 602 [2022-11-18 19:56:24,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:24,045 INFO L225 Difference]: With dead ends: 22082 [2022-11-18 19:56:24,045 INFO L226 Difference]: Without dead ends: 11450 [2022-11-18 19:56:24,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 784 GetRequests, 774 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:56:24,064 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1 mSDsluCounter, 5774 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 7226 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:24,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 7226 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-18 19:56:24,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11450 states. [2022-11-18 19:56:25,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11450 to 11396. [2022-11-18 19:56:25,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11396 states, 7726 states have (on average 1.1548019673828631) internal successors, (8922), 7831 states have internal predecessors, (8922), 2545 states have call successors, (2545), 983 states have call predecessors, (2545), 1120 states have return successors, (3000), 2627 states have call predecessors, (3000), 2541 states have call successors, (3000) [2022-11-18 19:56:25,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11396 states to 11396 states and 14467 transitions. [2022-11-18 19:56:25,813 INFO L78 Accepts]: Start accepts. Automaton has 11396 states and 14467 transitions. Word has length 602 [2022-11-18 19:56:25,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:25,814 INFO L495 AbstractCegarLoop]: Abstraction has 11396 states and 14467 transitions. [2022-11-18 19:56:25,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.666666666666664) internal successors, (214), 5 states have internal predecessors, (214), 2 states have call successors, (64), 2 states have call predecessors, (64), 3 states have return successors, (63), 3 states have call predecessors, (63), 2 states have call successors, (63) [2022-11-18 19:56:25,815 INFO L276 IsEmpty]: Start isEmpty. Operand 11396 states and 14467 transitions. [2022-11-18 19:56:25,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 653 [2022-11-18 19:56:25,826 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:25,827 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 11, 10, 10, 10, 9, 9, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:25,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-18 19:56:26,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:26,055 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:56:26,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:26,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1595137204, now seen corresponding path program 1 times [2022-11-18 19:56:26,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:26,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438208716] [2022-11-18 19:56:26,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:26,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:56:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:56:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:56:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:56:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:56:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:56:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:56:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:56:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:56:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:56:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:56:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:27,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:56:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:56:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:56:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:56:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-18 19:56:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 19:56:28,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 19:56:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 19:56:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-18 19:56:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-18 19:56:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-18 19:56:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-18 19:56:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-18 19:56:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:56:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:56:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 19:56:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:56:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 19:56:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:56:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 19:56:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 19:56:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:56:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-11-18 19:56:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-11-18 19:56:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-11-18 19:56:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:56:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-11-18 19:56:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-11-18 19:56:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-11-18 19:56:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:56:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2022-11-18 19:56:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-11-18 19:56:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-11-18 19:56:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:56:28,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2022-11-18 19:56:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2022-11-18 19:56:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2022-11-18 19:56:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2022-11-18 19:56:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2022-11-18 19:56:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2022-11-18 19:56:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2022-11-18 19:56:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2022-11-18 19:56:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2022-11-18 19:56:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 625 [2022-11-18 19:56:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 638 [2022-11-18 19:56:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1815 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1809 trivial. 0 not checked. [2022-11-18 19:56:28,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:28,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438208716] [2022-11-18 19:56:28,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438208716] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:56:28,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410628219] [2022-11-18 19:56:28,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:28,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:28,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:56:28,609 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:56:28,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-18 19:56:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:32,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 8334 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 19:56:32,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:56:32,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1815 backedges. 607 proven. 0 refuted. 0 times theorem prover too weak. 1208 trivial. 0 not checked. [2022-11-18 19:56:32,841 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:56:32,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410628219] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:32,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:56:32,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 13 [2022-11-18 19:56:32,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905999437] [2022-11-18 19:56:32,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:32,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 19:56:32,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:32,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 19:56:32,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-11-18 19:56:32,846 INFO L87 Difference]: Start difference. First operand 11396 states and 14467 transitions. Second operand has 8 states, 8 states have (on average 28.125) internal successors, (225), 7 states have internal predecessors, (225), 2 states have call successors, (70), 2 states have call predecessors, (70), 3 states have return successors, (69), 3 states have call predecessors, (69), 2 states have call successors, (69) [2022-11-18 19:56:35,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:37,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:37,106 INFO L93 Difference]: Finished difference Result 19327 states and 24524 transitions. [2022-11-18 19:56:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:56:37,107 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 28.125) internal successors, (225), 7 states have internal predecessors, (225), 2 states have call successors, (70), 2 states have call predecessors, (70), 3 states have return successors, (69), 3 states have call predecessors, (69), 2 states have call successors, (69) Word has length 652 [2022-11-18 19:56:37,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:37,129 INFO L225 Difference]: With dead ends: 19327 [2022-11-18 19:56:37,129 INFO L226 Difference]: Without dead ends: 8664 [2022-11-18 19:56:37,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 854 GetRequests, 840 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-11-18 19:56:37,148 INFO L413 NwaCegarLoop]: 1514 mSDtfsCounter, 124 mSDsluCounter, 8924 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 118 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 10438 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:37,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 10438 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 72 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2022-11-18 19:56:37,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8664 states. [2022-11-18 19:56:38,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8664 to 8248. [2022-11-18 19:56:38,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8248 states, 5601 states have (on average 1.1564006427423674) internal successors, (6477), 5676 states have internal predecessors, (6477), 1836 states have call successors, (1836), 711 states have call predecessors, (1836), 806 states have return successors, (2135), 1892 states have call predecessors, (2135), 1834 states have call successors, (2135) [2022-11-18 19:56:38,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8248 states to 8248 states and 10448 transitions. [2022-11-18 19:56:38,671 INFO L78 Accepts]: Start accepts. Automaton has 8248 states and 10448 transitions. Word has length 652 [2022-11-18 19:56:38,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:38,672 INFO L495 AbstractCegarLoop]: Abstraction has 8248 states and 10448 transitions. [2022-11-18 19:56:38,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 28.125) internal successors, (225), 7 states have internal predecessors, (225), 2 states have call successors, (70), 2 states have call predecessors, (70), 3 states have return successors, (69), 3 states have call predecessors, (69), 2 states have call successors, (69) [2022-11-18 19:56:38,672 INFO L276 IsEmpty]: Start isEmpty. Operand 8248 states and 10448 transitions. [2022-11-18 19:56:38,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 687 [2022-11-18 19:56:38,680 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:38,680 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 13, 13, 11, 10, 10, 10, 10, 10, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:38,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-18 19:56:38,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2022-11-18 19:56:38,881 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:56:38,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:38,881 INFO L85 PathProgramCache]: Analyzing trace with hash 105857823, now seen corresponding path program 1 times [2022-11-18 19:56:38,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:38,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645829087] [2022-11-18 19:56:38,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:38,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:56:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:56:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:56:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:56:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:56:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:56:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:56:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:56:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:56:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:56:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:56:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:56:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:56:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:56:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:56:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-18 19:56:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 19:56:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 19:56:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 19:56:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-18 19:56:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-18 19:56:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-18 19:56:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-18 19:56:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-18 19:56:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:56:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:56:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 19:56:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:56:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 19:56:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:56:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:56:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:56:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:56:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 19:56:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 19:56:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 19:56:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-18 19:56:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:56:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 19:56:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-11-18 19:56:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-11-18 19:56:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-11-18 19:56:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:56:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:41,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2022-11-18 19:56:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2022-11-18 19:56:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-11-18 19:56:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-11-18 19:56:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-11-18 19:56:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:56:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-11-18 19:56:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-11-18 19:56:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-11-18 19:56:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:56:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:56:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-11-18 19:56:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2022-11-18 19:56:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2022-11-18 19:56:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2022-11-18 19:56:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2022-11-18 19:56:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 656 [2022-11-18 19:56:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:56:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1967 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 1923 trivial. 0 not checked. [2022-11-18 19:56:42,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:42,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645829087] [2022-11-18 19:56:42,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645829087] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:56:42,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822243353] [2022-11-18 19:56:42,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:42,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:42,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:56:42,163 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:56:42,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-18 19:56:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:46,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 8550 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 19:56:46,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:56:46,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1967 backedges. 692 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2022-11-18 19:56:46,721 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:56:46,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822243353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:46,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:56:46,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 14 [2022-11-18 19:56:46,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670990959] [2022-11-18 19:56:46,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:46,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 19:56:46,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:46,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 19:56:46,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-11-18 19:56:46,724 INFO L87 Difference]: Start difference. First operand 8248 states and 10448 transitions. Second operand has 8 states, 8 states have (on average 30.125) internal successors, (241), 7 states have internal predecessors, (241), 2 states have call successors, (77), 2 states have call predecessors, (77), 3 states have return successors, (75), 3 states have call predecessors, (75), 2 states have call successors, (75) [2022-11-18 19:56:49,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:50,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:50,886 INFO L93 Difference]: Finished difference Result 16137 states and 20539 transitions. [2022-11-18 19:56:50,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 19:56:50,886 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 30.125) internal successors, (241), 7 states have internal predecessors, (241), 2 states have call successors, (77), 2 states have call predecessors, (77), 3 states have return successors, (75), 3 states have call predecessors, (75), 2 states have call successors, (75) Word has length 686 [2022-11-18 19:56:50,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:50,919 INFO L225 Difference]: With dead ends: 16137 [2022-11-18 19:56:50,919 INFO L226 Difference]: Without dead ends: 8744 [2022-11-18 19:56:50,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 903 GetRequests, 888 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2022-11-18 19:56:50,937 INFO L413 NwaCegarLoop]: 1574 mSDtfsCounter, 185 mSDsluCounter, 9224 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:50,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 10798 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-18 19:56:50,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8744 states. [2022-11-18 19:56:52,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8744 to 8255. [2022-11-18 19:56:52,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8255 states, 5607 states have (on average 1.1562332798287855) internal successors, (6483), 5682 states have internal predecessors, (6483), 1836 states have call successors, (1836), 711 states have call predecessors, (1836), 807 states have return successors, (2147), 1893 states have call predecessors, (2147), 1834 states have call successors, (2147) [2022-11-18 19:56:52,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8255 states to 8255 states and 10466 transitions. [2022-11-18 19:56:52,272 INFO L78 Accepts]: Start accepts. Automaton has 8255 states and 10466 transitions. Word has length 686 [2022-11-18 19:56:52,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:52,273 INFO L495 AbstractCegarLoop]: Abstraction has 8255 states and 10466 transitions. [2022-11-18 19:56:52,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 30.125) internal successors, (241), 7 states have internal predecessors, (241), 2 states have call successors, (77), 2 states have call predecessors, (77), 3 states have return successors, (75), 3 states have call predecessors, (75), 2 states have call successors, (75) [2022-11-18 19:56:52,273 INFO L276 IsEmpty]: Start isEmpty. Operand 8255 states and 10466 transitions. [2022-11-18 19:56:52,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 729 [2022-11-18 19:56:52,284 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:52,285 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 16, 16, 11, 10, 10, 10, 10, 10, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:52,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-18 19:56:52,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2022-11-18 19:56:52,499 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:56:52,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:52,500 INFO L85 PathProgramCache]: Analyzing trace with hash 2014734917, now seen corresponding path program 1 times [2022-11-18 19:56:52,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:52,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991823610] [2022-11-18 19:56:52,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:52,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:56:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:56:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:56:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:56:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:56:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:56:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:56:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:56:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:56:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:56:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:56:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:56:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:56:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:56:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:56:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-18 19:56:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 19:56:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 19:56:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 19:56:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-18 19:56:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-18 19:56:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-18 19:56:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-18 19:56:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-18 19:56:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:56:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:56:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 19:56:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:56:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 19:56:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:56:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:56:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:56:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:56:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 19:56:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 19:56:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 19:56:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-18 19:56:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:56:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 19:56:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-11-18 19:56:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-11-18 19:56:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-11-18 19:56:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:56:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2022-11-18 19:56:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2022-11-18 19:56:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-11-18 19:56:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:56:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2022-11-18 19:56:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-11-18 19:56:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2022-11-18 19:56:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2022-11-18 19:56:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2022-11-18 19:56:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:56:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-11-18 19:56:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2022-11-18 19:56:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-11-18 19:56:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:56:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:56:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 661 [2022-11-18 19:56:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 666 [2022-11-18 19:56:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2022-11-18 19:56:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 684 [2022-11-18 19:56:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2022-11-18 19:56:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2022-11-18 19:56:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:56:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2152 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 2099 trivial. 0 not checked. [2022-11-18 19:56:55,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:55,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991823610] [2022-11-18 19:56:55,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991823610] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:56:55,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320955641] [2022-11-18 19:56:55,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:55,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:55,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:56:55,043 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:56:55,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-18 19:56:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:59,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 8951 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 19:56:59,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:56:59,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2152 backedges. 779 proven. 0 refuted. 0 times theorem prover too weak. 1373 trivial. 0 not checked. [2022-11-18 19:56:59,574 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:56:59,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320955641] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:59,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:56:59,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 12 [2022-11-18 19:56:59,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200564776] [2022-11-18 19:56:59,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:59,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:56:59,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:59,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:56:59,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:56:59,577 INFO L87 Difference]: Start difference. First operand 8255 states and 10466 transitions. Second operand has 6 states, 6 states have (on average 42.166666666666664) internal successors, (253), 5 states have internal predecessors, (253), 2 states have call successors, (81), 2 states have call predecessors, (81), 3 states have return successors, (79), 3 states have call predecessors, (79), 2 states have call successors, (79) [2022-11-18 19:57:01,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:01,937 INFO L93 Difference]: Finished difference Result 15841 states and 20122 transitions. [2022-11-18 19:57:01,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:57:01,938 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 42.166666666666664) internal successors, (253), 5 states have internal predecessors, (253), 2 states have call successors, (81), 2 states have call predecessors, (81), 3 states have return successors, (79), 3 states have call predecessors, (79), 2 states have call successors, (79) Word has length 728 [2022-11-18 19:57:01,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:01,969 INFO L225 Difference]: With dead ends: 15841 [2022-11-18 19:57:01,969 INFO L226 Difference]: Without dead ends: 8472 [2022-11-18 19:57:01,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 952 GetRequests, 941 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-18 19:57:01,987 INFO L413 NwaCegarLoop]: 1638 mSDtfsCounter, 125 mSDsluCounter, 6292 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 7930 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:01,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 7930 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 19:57:01,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8472 states. [2022-11-18 19:57:03,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8472 to 8265. [2022-11-18 19:57:03,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8265 states, 5615 states have (on average 1.1560106856634016) internal successors, (6491), 5690 states have internal predecessors, (6491), 1836 states have call successors, (1836), 711 states have call predecessors, (1836), 809 states have return successors, (2157), 1895 states have call predecessors, (2157), 1834 states have call successors, (2157) [2022-11-18 19:57:03,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8265 states to 8265 states and 10484 transitions. [2022-11-18 19:57:03,306 INFO L78 Accepts]: Start accepts. Automaton has 8265 states and 10484 transitions. Word has length 728 [2022-11-18 19:57:03,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:03,307 INFO L495 AbstractCegarLoop]: Abstraction has 8265 states and 10484 transitions. [2022-11-18 19:57:03,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 42.166666666666664) internal successors, (253), 5 states have internal predecessors, (253), 2 states have call successors, (81), 2 states have call predecessors, (81), 3 states have return successors, (79), 3 states have call predecessors, (79), 2 states have call successors, (79) [2022-11-18 19:57:03,307 INFO L276 IsEmpty]: Start isEmpty. Operand 8265 states and 10484 transitions. [2022-11-18 19:57:03,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 734 [2022-11-18 19:57:03,318 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:03,319 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 12, 12, 11, 10, 10, 10, 10, 10, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:03,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-18 19:57:03,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2022-11-18 19:57:03,547 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:57:03,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:03,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1949818248, now seen corresponding path program 1 times [2022-11-18 19:57:03,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:03,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162305345] [2022-11-18 19:57:03,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:03,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:57:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:57:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:57:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:57:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:57:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:57:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:57:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:57:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:57:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:57:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:57:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:57:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:57:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:57:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:57:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:57:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:57:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:57:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:57:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:57:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-18 19:57:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:57:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 19:57:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 19:57:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 19:57:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-18 19:57:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-18 19:57:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-18 19:57:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:57:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-18 19:57:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-11-18 19:57:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-11-18 19:57:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-11-18 19:57:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:06,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-18 19:57:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 19:57:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:57:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 19:57:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:57:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-18 19:57:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 19:57:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:57:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:57:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:57:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:07,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:57:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 19:57:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:57:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 19:57:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:57:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:57:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:57:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:57:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:57:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 19:57:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 19:57:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 19:57:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-18 19:57:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:57:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 19:57:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2022-11-18 19:57:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2022-11-18 19:57:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2022-11-18 19:57:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-11-18 19:57:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2022-11-18 19:57:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:57:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2022-11-18 19:57:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 626 [2022-11-18 19:57:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2022-11-18 19:57:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:07,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:08,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:57:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:08,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:57:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:08,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:57:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:08,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 666 [2022-11-18 19:57:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:08,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2022-11-18 19:57:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:08,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2022-11-18 19:57:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:08,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:08,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2022-11-18 19:57:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:08,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2022-11-18 19:57:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:08,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 703 [2022-11-18 19:57:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:08,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:08,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:08,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:57:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:08,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2095 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 2054 trivial. 0 not checked. [2022-11-18 19:57:08,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:08,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162305345] [2022-11-18 19:57:08,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162305345] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:08,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:08,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-11-18 19:57:08,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921134045] [2022-11-18 19:57:08,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:08,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-18 19:57:08,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:08,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-18 19:57:08,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2022-11-18 19:57:08,081 INFO L87 Difference]: Start difference. First operand 8265 states and 10484 transitions. Second operand has 16 states, 16 states have (on average 13.125) internal successors, (210), 7 states have internal predecessors, (210), 2 states have call successors, (75), 9 states have call predecessors, (75), 3 states have return successors, (73), 4 states have call predecessors, (73), 2 states have call successors, (73) [2022-11-18 19:57:15,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:57:20,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:57:23,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:57:34,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:34,787 INFO L93 Difference]: Finished difference Result 9690 states and 12295 transitions. [2022-11-18 19:57:34,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 19:57:34,788 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 13.125) internal successors, (210), 7 states have internal predecessors, (210), 2 states have call successors, (75), 9 states have call predecessors, (75), 3 states have return successors, (73), 4 states have call predecessors, (73), 2 states have call successors, (73) Word has length 733 [2022-11-18 19:57:34,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:34,810 INFO L225 Difference]: With dead ends: 9690 [2022-11-18 19:57:34,810 INFO L226 Difference]: Without dead ends: 8908 [2022-11-18 19:57:34,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=222, Invalid=1110, Unknown=0, NotChecked=0, Total=1332 [2022-11-18 19:57:34,816 INFO L413 NwaCegarLoop]: 839 mSDtfsCounter, 2396 mSDsluCounter, 5891 mSDsCounter, 0 mSdLazyCounter, 9750 mSolverCounterSat, 2701 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2456 SdHoareTripleChecker+Valid, 6730 SdHoareTripleChecker+Invalid, 12452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2701 IncrementalHoareTripleChecker+Valid, 9750 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:34,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2456 Valid, 6730 Invalid, 12452 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2701 Valid, 9750 Invalid, 1 Unknown, 0 Unchecked, 24.5s Time] [2022-11-18 19:57:34,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8908 states. [2022-11-18 19:57:36,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8908 to 8296. [2022-11-18 19:57:36,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8296 states, 5637 states have (on average 1.155401809473124) internal successors, (6513), 5716 states have internal predecessors, (6513), 1836 states have call successors, (1836), 711 states have call predecessors, (1836), 818 states have return successors, (2192), 1900 states have call predecessors, (2192), 1834 states have call successors, (2192) [2022-11-18 19:57:36,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8296 states to 8296 states and 10541 transitions. [2022-11-18 19:57:36,105 INFO L78 Accepts]: Start accepts. Automaton has 8296 states and 10541 transitions. Word has length 733 [2022-11-18 19:57:36,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:36,105 INFO L495 AbstractCegarLoop]: Abstraction has 8296 states and 10541 transitions. [2022-11-18 19:57:36,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 13.125) internal successors, (210), 7 states have internal predecessors, (210), 2 states have call successors, (75), 9 states have call predecessors, (75), 3 states have return successors, (73), 4 states have call predecessors, (73), 2 states have call successors, (73) [2022-11-18 19:57:36,106 INFO L276 IsEmpty]: Start isEmpty. Operand 8296 states and 10541 transitions. [2022-11-18 19:57:36,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 720 [2022-11-18 19:57:36,112 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:36,113 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 12, 12, 11, 10, 10, 10, 10, 10, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:36,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-11-18 19:57:36,113 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:57:36,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:36,113 INFO L85 PathProgramCache]: Analyzing trace with hash 231862654, now seen corresponding path program 1 times [2022-11-18 19:57:36,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:36,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963315882] [2022-11-18 19:57:36,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:36,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:57:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:57:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:57:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:57:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:57:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:57:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:57:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:57:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:57:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:57:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:57:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:57:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:57:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:57:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:57:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:57:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:57:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:57:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:57:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:57:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-18 19:57:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:57:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 19:57:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 19:57:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 19:57:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-18 19:57:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-18 19:57:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-18 19:57:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-18 19:57:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-18 19:57:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:57:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:57:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:57:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 19:57:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:57:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 19:57:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:57:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:57:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:57:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:57:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:57:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 19:57:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 19:57:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 19:57:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-18 19:57:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:57:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 19:57:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-11-18 19:57:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-11-18 19:57:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-11-18 19:57:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:57:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:57:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:57:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 19:57:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:57:37,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2022-11-18 19:57:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-11-18 19:57:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2022-11-18 19:57:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2022-11-18 19:57:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-11-18 19:57:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:57:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-11-18 19:57:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2022-11-18 19:57:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-11-18 19:57:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:57:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:57:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:57:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 652 [2022-11-18 19:57:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2022-11-18 19:57:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 662 [2022-11-18 19:57:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:38,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:38,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2022-11-18 19:57:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:38,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 684 [2022-11-18 19:57:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:38,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2022-11-18 19:57:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:38,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:38,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:38,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:57:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:38,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2121 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 2070 trivial. 0 not checked. [2022-11-18 19:57:38,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:38,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963315882] [2022-11-18 19:57:38,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963315882] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:38,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:38,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 19:57:38,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180375116] [2022-11-18 19:57:38,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:38,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 19:57:38,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:38,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 19:57:38,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:57:38,027 INFO L87 Difference]: Start difference. First operand 8296 states and 10541 transitions. Second operand has 12 states, 12 states have (on average 16.0) internal successors, (192), 5 states have internal predecessors, (192), 2 states have call successors, (68), 8 states have call predecessors, (68), 2 states have return successors, (66), 3 states have call predecessors, (66), 2 states have call successors, (66) [2022-11-18 19:57:54,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:54,587 INFO L93 Difference]: Finished difference Result 16180 states and 20595 transitions. [2022-11-18 19:57:54,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 19:57:54,588 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 16.0) internal successors, (192), 5 states have internal predecessors, (192), 2 states have call successors, (68), 8 states have call predecessors, (68), 2 states have return successors, (66), 3 states have call predecessors, (66), 2 states have call successors, (66) Word has length 719 [2022-11-18 19:57:54,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:54,606 INFO L225 Difference]: With dead ends: 16180 [2022-11-18 19:57:54,606 INFO L226 Difference]: Without dead ends: 8807 [2022-11-18 19:57:54,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2022-11-18 19:57:54,616 INFO L413 NwaCegarLoop]: 943 mSDtfsCounter, 1859 mSDsluCounter, 4848 mSDsCounter, 0 mSdLazyCounter, 6411 mSolverCounterSat, 1745 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1859 SdHoareTripleChecker+Valid, 5791 SdHoareTripleChecker+Invalid, 8156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1745 IncrementalHoareTripleChecker+Valid, 6411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:54,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1859 Valid, 5791 Invalid, 8156 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1745 Valid, 6411 Invalid, 0 Unknown, 0 Unchecked, 14.4s Time] [2022-11-18 19:57:54,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8807 states. [2022-11-18 19:57:55,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8807 to 8296. [2022-11-18 19:57:55,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8296 states, 5637 states have (on average 1.155401809473124) internal successors, (6513), 5716 states have internal predecessors, (6513), 1836 states have call successors, (1836), 711 states have call predecessors, (1836), 818 states have return successors, (2192), 1900 states have call predecessors, (2192), 1834 states have call successors, (2192) [2022-11-18 19:57:55,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8296 states to 8296 states and 10541 transitions. [2022-11-18 19:57:55,766 INFO L78 Accepts]: Start accepts. Automaton has 8296 states and 10541 transitions. Word has length 719 [2022-11-18 19:57:55,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:55,767 INFO L495 AbstractCegarLoop]: Abstraction has 8296 states and 10541 transitions. [2022-11-18 19:57:55,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 16.0) internal successors, (192), 5 states have internal predecessors, (192), 2 states have call successors, (68), 8 states have call predecessors, (68), 2 states have return successors, (66), 3 states have call predecessors, (66), 2 states have call successors, (66) [2022-11-18 19:57:55,767 INFO L276 IsEmpty]: Start isEmpty. Operand 8296 states and 10541 transitions. [2022-11-18 19:57:55,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2022-11-18 19:57:55,773 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:55,773 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 11, 10, 10, 10, 10, 10, 10, 10, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:55,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-11-18 19:57:55,773 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:57:55,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:55,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1705423807, now seen corresponding path program 1 times [2022-11-18 19:57:55,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:55,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109449418] [2022-11-18 19:57:55,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:55,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:57:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:57:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:57:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:57:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:57:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:57:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:57:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:57:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:57:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:57:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:57:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:57:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:57:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:57:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:57:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:57:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:57:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:57:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:57:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:57:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-18 19:57:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:57:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 19:57:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 19:57:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 19:57:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-18 19:57:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-18 19:57:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-18 19:57:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-18 19:57:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-18 19:57:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:57:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:57:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:57:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 19:57:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:57:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 19:57:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:57:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:57:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:57:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:57:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:57:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 19:57:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 19:57:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 19:57:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-18 19:57:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:57:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 19:57:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-11-18 19:57:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-11-18 19:57:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2022-11-18 19:57:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-11-18 19:57:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-11-18 19:57:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:57:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-11-18 19:57:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2022-11-18 19:57:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-11-18 19:57:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:57:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:57:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:57:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2022-11-18 19:57:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2022-11-18 19:57:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2022-11-18 19:57:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2022-11-18 19:57:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2022-11-18 19:57:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2022-11-18 19:57:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:57:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:59,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1832 backedges. 17 proven. 18 refuted. 0 times theorem prover too weak. 1797 trivial. 0 not checked. [2022-11-18 19:57:59,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:59,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109449418] [2022-11-18 19:57:59,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109449418] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:57:59,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330135322] [2022-11-18 19:57:59,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:59,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:57:59,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:57:59,453 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:57:59,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-18 19:58:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:04,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 8148 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-18 19:58:04,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:58:05,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1832 backedges. 344 proven. 456 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2022-11-18 19:58:05,055 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:58:06,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1832 backedges. 34 proven. 1 refuted. 0 times theorem prover too weak. 1797 trivial. 0 not checked. [2022-11-18 19:58:06,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330135322] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:58:06,261 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:58:06,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8, 9] total 22 [2022-11-18 19:58:06,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390401991] [2022-11-18 19:58:06,262 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:58:06,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-18 19:58:06,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:06,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-18 19:58:06,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=360, Unknown=0, NotChecked=0, Total=462 [2022-11-18 19:58:06,265 INFO L87 Difference]: Start difference. First operand 8296 states and 10541 transitions. Second operand has 22 states, 22 states have (on average 17.772727272727273) internal successors, (391), 17 states have internal predecessors, (391), 10 states have call successors, (169), 12 states have call predecessors, (169), 10 states have return successors, (165), 11 states have call predecessors, (165), 10 states have call successors, (165) [2022-11-18 19:58:11,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:58:16,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:58:36,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:58:36,056 INFO L93 Difference]: Finished difference Result 12977 states and 16427 transitions. [2022-11-18 19:58:36,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-18 19:58:36,057 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 17.772727272727273) internal successors, (391), 17 states have internal predecessors, (391), 10 states have call successors, (169), 12 states have call predecessors, (169), 10 states have return successors, (165), 11 states have call predecessors, (165), 10 states have call successors, (165) Word has length 644 [2022-11-18 19:58:36,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:58:36,089 INFO L225 Difference]: With dead ends: 12977 [2022-11-18 19:58:36,090 INFO L226 Difference]: Without dead ends: 12975 [2022-11-18 19:58:36,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1531 GetRequests, 1473 SyntacticMatches, 7 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=700, Invalid=2056, Unknown=0, NotChecked=0, Total=2756 [2022-11-18 19:58:36,096 INFO L413 NwaCegarLoop]: 676 mSDtfsCounter, 11168 mSDsluCounter, 5391 mSDsCounter, 0 mSdLazyCounter, 13240 mSolverCounterSat, 8090 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11463 SdHoareTripleChecker+Valid, 6067 SdHoareTripleChecker+Invalid, 21330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8090 IncrementalHoareTripleChecker+Valid, 13240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:58:36,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11463 Valid, 6067 Invalid, 21330 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8090 Valid, 13240 Invalid, 0 Unknown, 0 Unchecked, 26.2s Time] [2022-11-18 19:58:36,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12975 states. [2022-11-18 19:58:37,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12975 to 11900. [2022-11-18 19:58:37,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11900 states, 8043 states have (on average 1.1519333581996767) internal successors, (9265), 8150 states have internal predecessors, (9265), 2672 states have call successors, (2672), 1037 states have call predecessors, (2672), 1180 states have return successors, (3182), 2760 states have call predecessors, (3182), 2670 states have call successors, (3182) [2022-11-18 19:58:37,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11900 states to 11900 states and 15119 transitions. [2022-11-18 19:58:37,898 INFO L78 Accepts]: Start accepts. Automaton has 11900 states and 15119 transitions. Word has length 644 [2022-11-18 19:58:37,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:58:37,898 INFO L495 AbstractCegarLoop]: Abstraction has 11900 states and 15119 transitions. [2022-11-18 19:58:37,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 17.772727272727273) internal successors, (391), 17 states have internal predecessors, (391), 10 states have call successors, (169), 12 states have call predecessors, (169), 10 states have return successors, (165), 11 states have call predecessors, (165), 10 states have call successors, (165) [2022-11-18 19:58:37,898 INFO L276 IsEmpty]: Start isEmpty. Operand 11900 states and 15119 transitions. [2022-11-18 19:58:37,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 660 [2022-11-18 19:58:37,905 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:58:37,905 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 11, 10, 10, 10, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:58:37,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-18 19:58:38,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:58:38,106 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:58:38,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:38,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1436352173, now seen corresponding path program 1 times [2022-11-18 19:58:38,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:38,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451751557] [2022-11-18 19:58:38,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:38,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:39,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:58:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:39,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:58:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:39,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:58:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:39,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:58:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:39,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:58:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:39,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:39,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:39,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:58:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:58:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:58:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:58:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:58:40,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:58:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:58:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:58:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:58:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:58:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:58:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:58:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:58:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:58:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:58:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:40,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:58:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-18 19:58:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:58:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 19:58:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 19:58:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 19:58:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-18 19:58:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-18 19:58:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-18 19:58:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-18 19:58:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-18 19:58:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:58:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:58:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:58:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 19:58:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:58:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 19:58:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:58:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:58:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:58:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:58:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:58:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 19:58:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:40,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 19:58:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-11-18 19:58:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-11-18 19:58:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2022-11-18 19:58:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-11-18 19:58:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-11-18 19:58:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-11-18 19:58:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-11-18 19:58:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2022-11-18 19:58:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2022-11-18 19:58:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2022-11-18 19:58:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2022-11-18 19:58:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-11-18 19:58:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2022-11-18 19:58:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2022-11-18 19:58:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2022-11-18 19:58:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-11-18 19:58:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2022-11-18 19:58:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2022-11-18 19:58:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-11-18 19:58:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2022-11-18 19:58:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2022-11-18 19:58:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2022-11-18 19:58:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2022-11-18 19:58:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2022-11-18 19:58:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2022-11-18 19:58:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-11-18 19:58:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2022-11-18 19:58:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2022-11-18 19:58:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-11-18 19:58:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 625 [2022-11-18 19:58:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 631 [2022-11-18 19:58:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-11-18 19:58:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2022-11-18 19:58:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2022-11-18 19:58:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:40,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1487 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 1473 trivial. 0 not checked. [2022-11-18 19:58:40,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:40,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451751557] [2022-11-18 19:58:40,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451751557] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:58:40,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779365967] [2022-11-18 19:58:40,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:40,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:58:40,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:58:40,605 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:58:40,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-18 19:58:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:45,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 7317 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-18 19:58:45,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:58:45,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1487 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 1423 trivial. 0 not checked. [2022-11-18 19:58:45,883 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:58:45,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779365967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:45,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:58:45,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [12] total 28 [2022-11-18 19:58:45,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646328244] [2022-11-18 19:58:45,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:45,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-18 19:58:45,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:45,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-18 19:58:45,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=697, Unknown=0, NotChecked=0, Total=756 [2022-11-18 19:58:45,886 INFO L87 Difference]: Start difference. First operand 11900 states and 15119 transitions. Second operand has 18 states, 17 states have (on average 15.705882352941176) internal successors, (267), 17 states have internal predecessors, (267), 7 states have call successors, (84), 2 states have call predecessors, (84), 4 states have return successors, (83), 7 states have call predecessors, (83), 7 states have call successors, (83) [2022-11-18 19:58:49,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:58:49,157 INFO L93 Difference]: Finished difference Result 12113 states and 15294 transitions. [2022-11-18 19:58:49,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 19:58:49,158 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 15.705882352941176) internal successors, (267), 17 states have internal predecessors, (267), 7 states have call successors, (84), 2 states have call predecessors, (84), 4 states have return successors, (83), 7 states have call predecessors, (83), 7 states have call successors, (83) Word has length 659 [2022-11-18 19:58:49,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:58:49,189 INFO L225 Difference]: With dead ends: 12113 [2022-11-18 19:58:49,189 INFO L226 Difference]: Without dead ends: 11870 [2022-11-18 19:58:49,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 877 GetRequests, 839 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=198, Invalid=1362, Unknown=0, NotChecked=0, Total=1560 [2022-11-18 19:58:49,195 INFO L413 NwaCegarLoop]: 1377 mSDtfsCounter, 1008 mSDsluCounter, 20341 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 543 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1008 SdHoareTripleChecker+Valid, 21718 SdHoareTripleChecker+Invalid, 1191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 543 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:58:49,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1008 Valid, 21718 Invalid, 1191 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [543 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-18 19:58:49,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11870 states. [2022-11-18 19:58:51,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11870 to 11852. [2022-11-18 19:58:51,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11852 states, 8041 states have (on average 1.1509762467354807) internal successors, (9255), 8140 states have internal predecessors, (9255), 2626 states have call successors, (2626), 1037 states have call predecessors, (2626), 1180 states have return successors, (3137), 2722 states have call predecessors, (3137), 2625 states have call successors, (3137) [2022-11-18 19:58:51,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11852 states to 11852 states and 15018 transitions. [2022-11-18 19:58:51,040 INFO L78 Accepts]: Start accepts. Automaton has 11852 states and 15018 transitions. Word has length 659 [2022-11-18 19:58:51,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:58:51,041 INFO L495 AbstractCegarLoop]: Abstraction has 11852 states and 15018 transitions. [2022-11-18 19:58:51,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 15.705882352941176) internal successors, (267), 17 states have internal predecessors, (267), 7 states have call successors, (84), 2 states have call predecessors, (84), 4 states have return successors, (83), 7 states have call predecessors, (83), 7 states have call successors, (83) [2022-11-18 19:58:51,041 INFO L276 IsEmpty]: Start isEmpty. Operand 11852 states and 15018 transitions. [2022-11-18 19:58:51,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2022-11-18 19:58:51,048 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:58:51,048 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 11, 10, 10, 10, 9, 9, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:58:51,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-11-18 19:58:51,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2022-11-18 19:58:51,249 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-18 19:58:51,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:51,249 INFO L85 PathProgramCache]: Analyzing trace with hash 216903174, now seen corresponding path program 1 times [2022-11-18 19:58:51,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:51,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315655428] [2022-11-18 19:58:51,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:51,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:58:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:58:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:58:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:58:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:58:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:58:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:58:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:53,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:58:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 19:58:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:58:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:58:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:58:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:58:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:58:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:58:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:58:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:58:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:58:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:58:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:58:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 19:58:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-18 19:58:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:58:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 19:58:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 19:58:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 19:58:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-18 19:58:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-18 19:58:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-18 19:58:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-18 19:58:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-18 19:58:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:58:53,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:58:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:58:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 19:58:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:58:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 19:58:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:58:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:58:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:58:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:58:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:58:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 19:58:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 19:58:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-11-18 19:58:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-11-18 19:58:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2022-11-18 19:58:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-11-18 19:58:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-11-18 19:58:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-11-18 19:58:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-11-18 19:58:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2022-11-18 19:58:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2022-11-18 19:58:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2022-11-18 19:58:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2022-11-18 19:58:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-11-18 19:58:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2022-11-18 19:58:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2022-11-18 19:58:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2022-11-18 19:58:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-11-18 19:58:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2022-11-18 19:58:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-11-18 19:58:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2022-11-18 19:58:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2022-11-18 19:58:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2022-11-18 19:58:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2022-11-18 19:58:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2022-11-18 19:58:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2022-11-18 19:58:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-11-18 19:58:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2022-11-18 19:58:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2022-11-18 19:58:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-11-18 19:58:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 625 [2022-11-18 19:58:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 631 [2022-11-18 19:58:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-11-18 19:58:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2022-11-18 19:58:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2022-11-18 19:58:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-11-18 19:58:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 661 [2022-11-18 19:58:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:53,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1511 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 1497 trivial. 0 not checked. [2022-11-18 19:58:53,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:53,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315655428] [2022-11-18 19:58:53,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315655428] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:58:53,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996224668] [2022-11-18 19:58:53,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:53,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:58:53,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:58:53,783 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:58:53,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa32af0-268c-4309-a326-7c5ec3396d4b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-18 19:58:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:58,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 7392 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-18 19:58:58,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:58:59,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1511 backedges. 530 proven. 200 refuted. 0 times theorem prover too weak. 781 trivial. 0 not checked. [2022-11-18 19:58:59,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:58:59,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1511 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1507 trivial. 0 not checked. [2022-11-18 19:58:59,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996224668] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:58:59,804 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:58:59,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19, 7] total 34 [2022-11-18 19:58:59,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523380013] [2022-11-18 19:58:59,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:58:59,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-18 19:58:59,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:59,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-18 19:58:59,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=1046, Unknown=0, NotChecked=0, Total=1122 [2022-11-18 19:58:59,808 INFO L87 Difference]: Start difference. First operand 11852 states and 15018 transitions. Second operand has 34 states, 33 states have (on average 14.606060606060606) internal successors, (482), 25 states have internal predecessors, (482), 5 states have call successors, (164), 8 states have call predecessors, (164), 5 states have return successors, (145), 7 states have call predecessors, (145), 5 states have call successors, (145)