./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.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_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/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_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/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_1df87487-39b5-4c51-9ea4-24525e05e4fe/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 f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 --- 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 18:38:46,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:38:46,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:38:46,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:38:46,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:38:46,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:38:46,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:38:46,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:38:46,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:38:47,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:38:47,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:38:47,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:38:47,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:38:47,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:38:47,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:38:47,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:38:47,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:38:47,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:38:47,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:38:47,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:38:47,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:38:47,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:38:47,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:38:47,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:38:47,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:38:47,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:38:47,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:38:47,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:38:47,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:38:47,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:38:47,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:38:47,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:38:47,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:38:47,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:38:47,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:38:47,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:38:47,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:38:47,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:38:47,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:38:47,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:38:47,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:38:47,081 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 18:38:47,117 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:38:47,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:38:47,118 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:38:47,119 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:38:47,120 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:38:47,120 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:38:47,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:38:47,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:38:47,122 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:38:47,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:38:47,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:38:47,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:38:47,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:38:47,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:38:47,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:38:47,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:38:47,125 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:38:47,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:38:47,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:38:47,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:38:47,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:38:47,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:38:47,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:38:47,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:38:47,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:38:47,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:38:47,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:38:47,129 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:38:47,129 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:38:47,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:38:47,130 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_1df87487-39b5-4c51-9ea4-24525e05e4fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 [2022-11-18 18:38:47,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:38:47,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:38:47,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:38:47,553 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:38:47,554 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:38:47,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2022-11-18 18:38:47,652 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/data/08e2881d3/1afa5b9d7ff34faaad7dcf7a1e6edb84/FLAGe7816a504 [2022-11-18 18:38:48,916 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:38:48,918 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2022-11-18 18:38:48,995 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/data/08e2881d3/1afa5b9d7ff34faaad7dcf7a1e6edb84/FLAGe7816a504 [2022-11-18 18:38:49,103 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/data/08e2881d3/1afa5b9d7ff34faaad7dcf7a1e6edb84 [2022-11-18 18:38:49,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:38:49,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:38:49,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:38:49,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:38:49,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:38:49,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:38:49" (1/1) ... [2022-11-18 18:38:49,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a61cca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:38:49, skipping insertion in model container [2022-11-18 18:38:49,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:38:49" (1/1) ... [2022-11-18 18:38:49,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:38:49,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:38:53,835 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_1df87487-39b5-4c51-9ea4-24525e05e4fe/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2022-11-18 18:38:53,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:38:54,012 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:38:55,097 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_1df87487-39b5-4c51-9ea4-24525e05e4fe/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2022-11-18 18:38:55,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:38:55,369 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:38:55,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:38:55 WrapperNode [2022-11-18 18:38:55,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:38:55,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:38:55,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:38:55,374 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:38:55,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:38:55" (1/1) ... [2022-11-18 18:38:55,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:38:55" (1/1) ... [2022-11-18 18:38:55,764 INFO L138 Inliner]: procedures = 426, calls = 3487, calls flagged for inlining = 207, calls inlined = 116, statements flattened = 4501 [2022-11-18 18:38:55,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:38:55,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:38:55,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:38:55,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:38:55,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:38:55" (1/1) ... [2022-11-18 18:38:55,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:38:55" (1/1) ... [2022-11-18 18:38:55,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:38:55" (1/1) ... [2022-11-18 18:38:55,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:38:55" (1/1) ... [2022-11-18 18:38:55,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:38:55" (1/1) ... [2022-11-18 18:38:56,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:38:55" (1/1) ... [2022-11-18 18:38:56,047 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:38:55" (1/1) ... [2022-11-18 18:38:56,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:38:55" (1/1) ... [2022-11-18 18:38:56,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:38:56,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:38:56,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:38:56,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:38:56,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:38:55" (1/1) ... [2022-11-18 18:38:56,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:38:56,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:38:56,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:38:56,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:38:56,213 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-18 18:38:56,213 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-18 18:38:56,213 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-18 18:38:56,214 INFO L130 BoogieDeclarations]: Found specification of procedure backend_switch_state [2022-11-18 18:38:56,214 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_switch_state [2022-11-18 18:38:56,214 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-18 18:38:56,214 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-18 18:38:56,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 18:38:56,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 18:38:56,215 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hotplug_status_watch [2022-11-18 18:38:56,215 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hotplug_status_watch [2022-11-18 18:38:56,215 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-18 18:38:56,215 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-18 18:38:56,216 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_unmap_frontend_rings [2022-11-18 18:38:56,216 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_unmap_frontend_rings [2022-11-18 18:38:56,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 18:38:56,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 18:38:56,216 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_xenbus_watch [2022-11-18 18:38:56,217 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_xenbus_watch [2022-11-18 18:38:56,217 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_kick_thread [2022-11-18 18:38:56,217 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_kick_thread [2022-11-18 18:38:56,218 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-18 18:38:56,218 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-18 18:38:56,218 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_map_ring_valloc [2022-11-18 18:38:56,218 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_map_ring_valloc [2022-11-18 18:38:56,218 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 18:38:56,219 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 18:38:56,219 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_rate [2022-11-18 18:38:56,219 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_rate [2022-11-18 18:38:56,219 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-18 18:38:56,219 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-18 18:38:56,220 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-18 18:38:56,220 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-18 18:38:56,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 18:38:56,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 18:38:56,220 INFO L130 BoogieDeclarations]: Found specification of procedure netback_uevent [2022-11-18 18:38:56,221 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_uevent [2022-11-18 18:38:56,221 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 18:38:56,221 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 18:38:56,222 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_carrier_off [2022-11-18 18:38:56,222 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_carrier_off [2022-11-18 18:38:56,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:38:56,222 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-18 18:38:56,223 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-18 18:38:56,223 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 18:38:56,223 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 18:38:56,224 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-18 18:38:56,224 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-18 18:38:56,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 18:38:56,224 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-18 18:38:56,224 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-18 18:38:56,225 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-18 18:38:56,225 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-18 18:38:56,225 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 18:38:56,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 18:38:56,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 18:38:56,226 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2022-11-18 18:38:56,228 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2022-11-18 18:38:56,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 18:38:56,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 18:38:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 18:38:56,229 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_deinit_queue [2022-11-18 18:38:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_deinit_queue [2022-11-18 18:38:56,230 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-11-18 18:38:56,230 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-11-18 18:38:56,230 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_to_xenbus_device [2022-11-18 18:38:56,231 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_to_xenbus_device [2022-11-18 18:38:56,232 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_watchers [2022-11-18 18:38:56,232 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_watchers [2022-11-18 18:38:56,232 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-18 18:38:56,232 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-18 18:38:56,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-18 18:38:56,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-18 18:38:56,234 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_changed [2022-11-18 18:38:56,234 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_changed [2022-11-18 18:38:56,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 18:38:56,234 INFO L130 BoogieDeclarations]: Found specification of procedure set_backend_state [2022-11-18 18:38:56,235 INFO L138 BoogieDeclarations]: Found implementation of procedure set_backend_state [2022-11-18 18:38:56,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:38:56,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 18:38:56,235 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_write_io_ring [2022-11-18 18:38:56,235 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_write_io_ring [2022-11-18 18:38:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-11-18 18:38:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-11-18 18:38:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-11-18 18:38:56,237 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-11-18 18:38:56,237 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2022-11-18 18:38:56,237 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2022-11-18 18:38:56,237 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-18 18:38:56,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-18 18:38:56,238 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-18 18:38:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-18 18:38:56,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:38:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:38:56,239 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-18 18:38:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-18 18:38:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 18:38:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 18:38:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_disconnect [2022-11-18 18:38:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_disconnect [2022-11-18 18:38:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 18:38:56,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 18:38:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-18 18:38:56,244 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-18 18:38:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_down [2022-11-18 18:38:56,244 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_down [2022-11-18 18:38:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-18 18:38:56,244 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-18 18:38:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure bind_interdomain_evtchn_to_irqhandler [2022-11-18 18:38:56,245 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_interdomain_evtchn_to_irqhandler [2022-11-18 18:38:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2022-11-18 18:38:56,246 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2022-11-18 18:38:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-18 18:38:56,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-18 18:38:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-11-18 18:38:56,246 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-11-18 18:38:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-18 18:38:56,247 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-18 18:38:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fix_features [2022-11-18 18:38:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fix_features [2022-11-18 18:38:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2022-11-18 18:38:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2022-11-18 18:38:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 18:38:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 18:38:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 18:38:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 18:38:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 18:38:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 18:38:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-11-18 18:38:56,261 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-11-18 18:38:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-18 18:38:56,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-18 18:38:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_up [2022-11-18 18:38:56,262 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_up [2022-11-18 18:38:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2022-11-18 18:38:56,262 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2022-11-18 18:38:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-18 18:38:56,263 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-18 18:38:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:38:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-18 18:38:56,263 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-18 18:38:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unmap_ring_vfree [2022-11-18 18:38:56,263 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unmap_ring_vfree [2022-11-18 18:38:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 18:38:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_change_mtu [2022-11-18 18:38:56,264 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_change_mtu [2022-11-18 18:38:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-11-18 18:38:56,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-11-18 18:38:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2022-11-18 18:38:56,265 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2022-11-18 18:38:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-18 18:38:56,265 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-18 18:38:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 18:38:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 18:38:56,265 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 18:38:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-18 18:38:56,266 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-18 18:38:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-18 18:38:56,266 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-18 18:38:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2022-11-18 18:38:56,266 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2022-11-18 18:38:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-18 18:38:56,267 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-18 18:38:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure netback_remove [2022-11-18 18:38:56,267 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_remove [2022-11-18 18:38:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-18 18:38:56,267 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-18 18:38:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 18:38:56,268 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 18:38:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 18:38:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 18:38:56,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 18:38:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-11-18 18:38:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-11-18 18:38:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_napi_schedule_or_enable_events [2022-11-18 18:38:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_napi_schedule_or_enable_events [2022-11-18 18:38:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-18 18:38:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-18 18:38:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-18 18:38:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-18 18:38:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-18 18:38:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-18 18:38:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-18 18:38:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-18 18:38:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-18 18:38:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-18 18:38:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-18 18:38:56,337 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-18 18:38:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:38:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_stats [2022-11-18 18:38:56,337 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_stats [2022-11-18 18:38:57,230 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:38:57,240 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:38:57,564 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 18:39:07,861 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:39:07,891 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:39:07,905 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 18:39:07,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:39:07 BoogieIcfgContainer [2022-11-18 18:39:07,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:39:07,915 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:39:07,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:39:07,922 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:39:07,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:38:49" (1/3) ... [2022-11-18 18:39:07,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@186e03cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:39:07, skipping insertion in model container [2022-11-18 18:39:07,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:38:55" (2/3) ... [2022-11-18 18:39:07,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@186e03cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:39:07, skipping insertion in model container [2022-11-18 18:39:07,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:39:07" (3/3) ... [2022-11-18 18:39:07,926 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2022-11-18 18:39:07,962 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:39:07,962 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 18:39:08,082 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:39:08,090 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;@4ed2ceb9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:39:08,090 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 18:39:08,100 INFO L276 IsEmpty]: Start isEmpty. Operand has 1306 states, 947 states have (on average 1.3252375923970432) internal successors, (1255), 973 states have internal predecessors, (1255), 271 states have call successors, (271), 87 states have call predecessors, (271), 86 states have return successors, (265), 258 states have call predecessors, (265), 265 states have call successors, (265) [2022-11-18 18:39:08,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-18 18:39:08,113 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:39:08,114 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:39:08,114 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:39:08,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:39:08,121 INFO L85 PathProgramCache]: Analyzing trace with hash 2058962732, now seen corresponding path program 1 times [2022-11-18 18:39:08,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:39:08,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667652532] [2022-11-18 18:39:08,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:39:08,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:39:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:08,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:39:08,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:39:08,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667652532] [2022-11-18 18:39:08,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667652532] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:39:08,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:39:08,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:39:08,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338599784] [2022-11-18 18:39:08,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:39:08,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:39:08,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:39:08,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:39:08,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:39:08,994 INFO L87 Difference]: Start difference. First operand has 1306 states, 947 states have (on average 1.3252375923970432) internal successors, (1255), 973 states have internal predecessors, (1255), 271 states have call successors, (271), 87 states have call predecessors, (271), 86 states have return successors, (265), 258 states have call predecessors, (265), 265 states have call successors, (265) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:39:09,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:39:09,458 INFO L93 Difference]: Finished difference Result 3902 states and 5473 transitions. [2022-11-18 18:39:09,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:39:09,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-18 18:39:09,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:39:09,515 INFO L225 Difference]: With dead ends: 3902 [2022-11-18 18:39:09,515 INFO L226 Difference]: Without dead ends: 2551 [2022-11-18 18:39:09,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:39:09,556 INFO L413 NwaCegarLoop]: 2045 mSDtfsCounter, 1764 mSDsluCounter, 1773 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 3818 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:39:09,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1764 Valid, 3818 Invalid, 10 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:39:09,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2551 states. [2022-11-18 18:39:09,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2551 to 2548. [2022-11-18 18:39:09,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2548 states, 1851 states have (on average 1.3084819016747704) internal successors, (2422), 1885 states have internal predecessors, (2422), 526 states have call successors, (526), 171 states have call predecessors, (526), 170 states have return successors, (524), 510 states have call predecessors, (524), 524 states have call successors, (524) [2022-11-18 18:39:09,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 2548 states and 3472 transitions. [2022-11-18 18:39:09,925 INFO L78 Accepts]: Start accepts. Automaton has 2548 states and 3472 transitions. Word has length 19 [2022-11-18 18:39:09,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:39:09,926 INFO L495 AbstractCegarLoop]: Abstraction has 2548 states and 3472 transitions. [2022-11-18 18:39:09,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:39:09,928 INFO L276 IsEmpty]: Start isEmpty. Operand 2548 states and 3472 transitions. [2022-11-18 18:39:09,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-18 18:39:09,949 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:39:09,950 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-18 18:39:09,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:39:09,950 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:39:09,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:39:09,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1213891953, now seen corresponding path program 1 times [2022-11-18 18:39:09,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:39:09,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884920619] [2022-11-18 18:39:09,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:39:09,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:39:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:10,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:39:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:10,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:39:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:10,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:39:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:10,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 18:39:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:10,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:39:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:10,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:39:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:10,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 18:39:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:10,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:39:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:10,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 18:39:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:10,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-18 18:39:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:10,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 18:39:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:10,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:39:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:10,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 18:39:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:10,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-18 18:39:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:10,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 18:39:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:10,846 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-18 18:39:10,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:39:10,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884920619] [2022-11-18 18:39:10,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884920619] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:39:10,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:39:10,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 18:39:10,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851342747] [2022-11-18 18:39:10,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:39:10,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 18:39:10,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:39:10,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 18:39:10,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:39:10,851 INFO L87 Difference]: Start difference. First operand 2548 states and 3472 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 18:39:14,737 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 18:39:16,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:39:21,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:39:22,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:39:25,967 WARN L539 Checker$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 18:39:28,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:39:28,499 INFO L93 Difference]: Finished difference Result 6631 states and 9132 transitions. [2022-11-18 18:39:28,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 18:39:28,501 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 106 [2022-11-18 18:39:28,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:39:28,534 INFO L225 Difference]: With dead ends: 6631 [2022-11-18 18:39:28,534 INFO L226 Difference]: Without dead ends: 4086 [2022-11-18 18:39:28,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-11-18 18:39:28,554 INFO L413 NwaCegarLoop]: 1412 mSDtfsCounter, 2577 mSDsluCounter, 2747 mSDsCounter, 0 mSdLazyCounter, 2245 mSolverCounterSat, 1421 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2676 SdHoareTripleChecker+Valid, 4159 SdHoareTripleChecker+Invalid, 3668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1421 IncrementalHoareTripleChecker+Valid, 2245 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:39:28,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2676 Valid, 4159 Invalid, 3668 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1421 Valid, 2245 Invalid, 2 Unknown, 0 Unchecked, 17.0s Time] [2022-11-18 18:39:28,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4086 states. [2022-11-18 18:39:28,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4086 to 3564. [2022-11-18 18:39:28,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3564 states, 2614 states have (on average 1.3186687069625096) internal successors, (3447), 2659 states have internal predecessors, (3447), 702 states have call successors, (702), 248 states have call predecessors, (702), 247 states have return successors, (700), 683 states have call predecessors, (700), 700 states have call successors, (700) [2022-11-18 18:39:28,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3564 states and 4849 transitions. [2022-11-18 18:39:28,843 INFO L78 Accepts]: Start accepts. Automaton has 3564 states and 4849 transitions. Word has length 106 [2022-11-18 18:39:28,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:39:28,844 INFO L495 AbstractCegarLoop]: Abstraction has 3564 states and 4849 transitions. [2022-11-18 18:39:28,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 18:39:28,844 INFO L276 IsEmpty]: Start isEmpty. Operand 3564 states and 4849 transitions. [2022-11-18 18:39:28,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-18 18:39:28,855 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:39:28,856 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-11-18 18:39:28,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:39:28,857 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:39:28,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:39:28,858 INFO L85 PathProgramCache]: Analyzing trace with hash 612737822, now seen corresponding path program 1 times [2022-11-18 18:39:28,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:39:28,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996760914] [2022-11-18 18:39:28,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:39:28,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:39:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:29,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 18:39:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:29,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:39:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:29,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:39:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:29,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-18 18:39:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:29,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:39:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:29,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:39:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:29,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 18:39:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:29,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:39:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:29,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:39:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:29,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 18:39:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:29,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:39:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:29,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:39:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:29,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 18:39:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:29,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:39:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:29,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:39:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:29,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 18:39:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:29,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:39:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:29,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:39:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:29,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 18:39:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:29,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:39:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:29,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-18 18:39:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:30,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 18:39:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:30,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-18 18:39:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:30,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-18 18:39:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:30,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 18:39:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:30,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 18:39:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:30,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-18 18:39:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:30,153 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-18 18:39:30,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:39:30,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996760914] [2022-11-18 18:39:30,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996760914] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:39:30,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:39:30,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 18:39:30,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438802004] [2022-11-18 18:39:30,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:39:30,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 18:39:30,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:39:30,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 18:39:30,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:39:30,157 INFO L87 Difference]: Start difference. First operand 3564 states and 4849 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 18:39:34,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:39:36,957 WARN L539 Checker$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 18:39:42,046 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 18:39:46,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:39:46,985 INFO L93 Difference]: Finished difference Result 7652 states and 10518 transitions. [2022-11-18 18:39:46,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:39:46,986 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 185 [2022-11-18 18:39:46,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:39:47,022 INFO L225 Difference]: With dead ends: 7652 [2022-11-18 18:39:47,023 INFO L226 Difference]: Without dead ends: 4085 [2022-11-18 18:39:47,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2022-11-18 18:39:47,055 INFO L413 NwaCegarLoop]: 1317 mSDtfsCounter, 561 mSDsluCounter, 4371 mSDsCounter, 0 mSdLazyCounter, 3412 mSolverCounterSat, 343 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 5688 SdHoareTripleChecker+Invalid, 3756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 343 IncrementalHoareTripleChecker+Valid, 3412 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:39:47,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [604 Valid, 5688 Invalid, 3756 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [343 Valid, 3412 Invalid, 1 Unknown, 0 Unchecked, 16.2s Time] [2022-11-18 18:39:47,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4085 states. [2022-11-18 18:39:47,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4085 to 3567. [2022-11-18 18:39:47,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3567 states, 2617 states have (on average 1.3175391669850975) internal successors, (3448), 2662 states have internal predecessors, (3448), 702 states have call successors, (702), 248 states have call predecessors, (702), 247 states have return successors, (700), 683 states have call predecessors, (700), 700 states have call successors, (700) [2022-11-18 18:39:47,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3567 states to 3567 states and 4850 transitions. [2022-11-18 18:39:47,341 INFO L78 Accepts]: Start accepts. Automaton has 3567 states and 4850 transitions. Word has length 185 [2022-11-18 18:39:47,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:39:47,343 INFO L495 AbstractCegarLoop]: Abstraction has 3567 states and 4850 transitions. [2022-11-18 18:39:47,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 18:39:47,344 INFO L276 IsEmpty]: Start isEmpty. Operand 3567 states and 4850 transitions. [2022-11-18 18:39:47,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-11-18 18:39:47,355 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:39:47,355 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:39:47,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:39:47,356 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:39:47,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:39:47,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1511531193, now seen corresponding path program 1 times [2022-11-18 18:39:47,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:39:47,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533431053] [2022-11-18 18:39:47,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:39:47,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:39:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:39:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:39:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:39:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 18:39:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:39:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:39:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 18:39:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:39:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:39:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 18:39:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:39:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:39:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 18:39:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:39:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:39:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 18:39:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:39:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:39:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 18:39:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:39:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-18 18:39:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-18 18:39:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-18 18:39:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 18:39:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-18 18:39:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-18 18:39:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 18:39:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:48,941 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-18 18:39:48,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:39:48,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533431053] [2022-11-18 18:39:48,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533431053] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:39:48,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:39:48,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 18:39:48,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860989544] [2022-11-18 18:39:48,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:39:48,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 18:39:48,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:39:48,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 18:39:48,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:39:48,945 INFO L87 Difference]: Start difference. First operand 3567 states and 4850 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-18 18:39:52,445 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 18:40:00,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:40:00,606 INFO L93 Difference]: Finished difference Result 10353 states and 14244 transitions. [2022-11-18 18:40:00,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 18:40:00,607 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 194 [2022-11-18 18:40:00,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:40:00,654 INFO L225 Difference]: With dead ends: 10353 [2022-11-18 18:40:00,655 INFO L226 Difference]: Without dead ends: 6789 [2022-11-18 18:40:00,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-11-18 18:40:00,676 INFO L413 NwaCegarLoop]: 1441 mSDtfsCounter, 4118 mSDsluCounter, 2520 mSDsCounter, 0 mSdLazyCounter, 3010 mSolverCounterSat, 1787 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4360 SdHoareTripleChecker+Valid, 3961 SdHoareTripleChecker+Invalid, 4798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1787 IncrementalHoareTripleChecker+Valid, 3010 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-11-18 18:40:00,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4360 Valid, 3961 Invalid, 4798 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1787 Valid, 3010 Invalid, 1 Unknown, 0 Unchecked, 10.8s Time] [2022-11-18 18:40:00,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6789 states. [2022-11-18 18:40:01,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6789 to 5858. [2022-11-18 18:40:01,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5858 states, 4286 states have (on average 1.3133457769482035) internal successors, (5629), 4366 states have internal predecessors, (5629), 1158 states have call successors, (1158), 414 states have call predecessors, (1158), 413 states have return successors, (1156), 1122 states have call predecessors, (1156), 1156 states have call successors, (1156) [2022-11-18 18:40:01,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5858 states to 5858 states and 7943 transitions. [2022-11-18 18:40:01,229 INFO L78 Accepts]: Start accepts. Automaton has 5858 states and 7943 transitions. Word has length 194 [2022-11-18 18:40:01,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:40:01,231 INFO L495 AbstractCegarLoop]: Abstraction has 5858 states and 7943 transitions. [2022-11-18 18:40:01,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-18 18:40:01,232 INFO L276 IsEmpty]: Start isEmpty. Operand 5858 states and 7943 transitions. [2022-11-18 18:40:01,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-11-18 18:40:01,243 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:40:01,244 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-11-18 18:40:01,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 18:40:01,245 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:40:01,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:40:01,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1091060161, now seen corresponding path program 1 times [2022-11-18 18:40:01,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:40:01,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033949606] [2022-11-18 18:40:01,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:40:01,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:40:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:40:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:40:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 18:40:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:40:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 18:40:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:40:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 18:40:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:40:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 18:40:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:40:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 18:40:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:40:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 18:40:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 18:40:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 18:40:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-18 18:40:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-18 18:40:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 18:40:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-18 18:40:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-18 18:40:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-18 18:40:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-18 18:40:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 18:40:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:02,560 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-18 18:40:02,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:40:02,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033949606] [2022-11-18 18:40:02,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033949606] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:40:02,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:40:02,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 18:40:02,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750639869] [2022-11-18 18:40:02,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:40:02,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 18:40:02,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:40:02,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 18:40:02,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:40:02,567 INFO L87 Difference]: Start difference. First operand 5858 states and 7943 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-18 18:40:06,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:08,585 WARN L539 Checker$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 18:40:10,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:17,432 WARN L539 Checker$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 18:40:20,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:40:20,654 INFO L93 Difference]: Finished difference Result 12649 states and 17361 transitions. [2022-11-18 18:40:20,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:40:20,655 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 225 [2022-11-18 18:40:20,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:40:20,705 INFO L225 Difference]: With dead ends: 12649 [2022-11-18 18:40:20,705 INFO L226 Difference]: Without dead ends: 6794 [2022-11-18 18:40:20,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-11-18 18:40:20,737 INFO L413 NwaCegarLoop]: 1291 mSDtfsCounter, 3000 mSDsluCounter, 2938 mSDsCounter, 0 mSdLazyCounter, 2404 mSolverCounterSat, 1271 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3209 SdHoareTripleChecker+Valid, 4229 SdHoareTripleChecker+Invalid, 3677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1271 IncrementalHoareTripleChecker+Valid, 2404 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:40:20,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3209 Valid, 4229 Invalid, 3677 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1271 Valid, 2404 Invalid, 2 Unknown, 0 Unchecked, 17.2s Time] [2022-11-18 18:40:20,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6794 states. [2022-11-18 18:40:21,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6794 to 5858. [2022-11-18 18:40:21,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5858 states, 4286 states have (on average 1.311945870275315) internal successors, (5623), 4366 states have internal predecessors, (5623), 1158 states have call successors, (1158), 414 states have call predecessors, (1158), 413 states have return successors, (1156), 1122 states have call predecessors, (1156), 1156 states have call successors, (1156) [2022-11-18 18:40:21,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5858 states to 5858 states and 7937 transitions. [2022-11-18 18:40:21,302 INFO L78 Accepts]: Start accepts. Automaton has 5858 states and 7937 transitions. Word has length 225 [2022-11-18 18:40:21,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:40:21,302 INFO L495 AbstractCegarLoop]: Abstraction has 5858 states and 7937 transitions. [2022-11-18 18:40:21,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-18 18:40:21,304 INFO L276 IsEmpty]: Start isEmpty. Operand 5858 states and 7937 transitions. [2022-11-18 18:40:21,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-11-18 18:40:21,316 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:40:21,317 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-11-18 18:40:21,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 18:40:21,317 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:40:21,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:40:21,318 INFO L85 PathProgramCache]: Analyzing trace with hash -982960641, now seen corresponding path program 1 times [2022-11-18 18:40:21,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:40:21,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215791898] [2022-11-18 18:40:21,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:40:21,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:40:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:23,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:40:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:23,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:23,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:40:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:23,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 18:40:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:23,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:23,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:40:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:23,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 18:40:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:23,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:23,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:40:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:23,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 18:40:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:23,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:23,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:40:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:23,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 18:40:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:23,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:23,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:40:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:23,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 18:40:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:23,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:23,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:40:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:23,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 18:40:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:23,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:23,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 18:40:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:24,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:24,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:24,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 18:40:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:24,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-18 18:40:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:24,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-18 18:40:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:24,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 18:40:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:24,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-18 18:40:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:24,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-18 18:40:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:24,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-18 18:40:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:24,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-18 18:40:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:24,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 18:40:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:24,766 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-11-18 18:40:24,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:40:24,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215791898] [2022-11-18 18:40:24,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215791898] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:40:24,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:40:24,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-11-18 18:40:24,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135667780] [2022-11-18 18:40:24,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:40:24,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-18 18:40:24,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:40:24,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-18 18:40:24,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-11-18 18:40:24,769 INFO L87 Difference]: Start difference. First operand 5858 states and 7937 transitions. Second operand has 16 states, 16 states have (on average 7.0) internal successors, (112), 7 states have internal predecessors, (112), 2 states have call successors, (25), 8 states have call predecessors, (25), 4 states have return successors, (22), 5 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-18 18:40:31,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:33,862 WARN L539 Checker$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 18:40:41,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:49,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:40:49,617 INFO L93 Difference]: Finished difference Result 14411 states and 20186 transitions. [2022-11-18 18:40:49,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 18:40:49,618 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.0) internal successors, (112), 7 states have internal predecessors, (112), 2 states have call successors, (25), 8 states have call predecessors, (25), 4 states have return successors, (22), 5 states have call predecessors, (22), 2 states have call successors, (22) Word has length 225 [2022-11-18 18:40:49,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:40:49,674 INFO L225 Difference]: With dead ends: 14411 [2022-11-18 18:40:49,675 INFO L226 Difference]: Without dead ends: 8556 [2022-11-18 18:40:49,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2022-11-18 18:40:49,703 INFO L413 NwaCegarLoop]: 1789 mSDtfsCounter, 1759 mSDsluCounter, 16367 mSDsCounter, 0 mSdLazyCounter, 8478 mSolverCounterSat, 1018 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1904 SdHoareTripleChecker+Valid, 18156 SdHoareTripleChecker+Invalid, 9498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1018 IncrementalHoareTripleChecker+Valid, 8478 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.7s IncrementalHoareTripleChecker+Time [2022-11-18 18:40:49,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1904 Valid, 18156 Invalid, 9498 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1018 Valid, 8478 Invalid, 2 Unknown, 0 Unchecked, 23.7s Time] [2022-11-18 18:40:49,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8556 states. [2022-11-18 18:40:50,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8556 to 5880. [2022-11-18 18:40:50,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5880 states, 4302 states have (on average 1.310785681078568) internal successors, (5639), 4382 states have internal predecessors, (5639), 1158 states have call successors, (1158), 414 states have call predecessors, (1158), 419 states have return successors, (1180), 1128 states have call predecessors, (1180), 1156 states have call successors, (1180) [2022-11-18 18:40:50,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5880 states to 5880 states and 7977 transitions. [2022-11-18 18:40:50,411 INFO L78 Accepts]: Start accepts. Automaton has 5880 states and 7977 transitions. Word has length 225 [2022-11-18 18:40:50,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:40:50,413 INFO L495 AbstractCegarLoop]: Abstraction has 5880 states and 7977 transitions. [2022-11-18 18:40:50,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.0) internal successors, (112), 7 states have internal predecessors, (112), 2 states have call successors, (25), 8 states have call predecessors, (25), 4 states have return successors, (22), 5 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-18 18:40:50,413 INFO L276 IsEmpty]: Start isEmpty. Operand 5880 states and 7977 transitions. [2022-11-18 18:40:50,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-11-18 18:40:50,428 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:40:50,429 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-11-18 18:40:50,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 18:40:50,429 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:40:50,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:40:50,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1278899348, now seen corresponding path program 1 times [2022-11-18 18:40:50,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:40:50,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531745523] [2022-11-18 18:40:50,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:40:50,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:40:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:40:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:40:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 18:40:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:40:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 18:40:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:52,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:40:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 18:40:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:40:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 18:40:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:40:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 18:40:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:40:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 18:40:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 18:40:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:40:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 18:40:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:40:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-18 18:40:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-18 18:40:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-18 18:40:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-18 18:40:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-18 18:40:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 18:40:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-18 18:40:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-18 18:40:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-18 18:40:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:52,969 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-11-18 18:40:52,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:40:52,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531745523] [2022-11-18 18:40:52,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531745523] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:40:52,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:40:52,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 18:40:52,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937412140] [2022-11-18 18:40:52,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:40:52,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 18:40:52,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:40:52,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 18:40:52,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-18 18:40:52,973 INFO L87 Difference]: Start difference. First operand 5880 states and 7977 transitions. Second operand has 12 states, 11 states have (on average 10.727272727272727) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (29), 8 states have call predecessors, (29), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-18 18:40:58,621 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 18:41:09,859 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 18:41:11,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:41:11,446 INFO L93 Difference]: Finished difference Result 14433 states and 20224 transitions. [2022-11-18 18:41:11,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 18:41:11,446 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.727272727272727) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (29), 8 states have call predecessors, (29), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 245 [2022-11-18 18:41:11,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:41:11,495 INFO L225 Difference]: With dead ends: 14433 [2022-11-18 18:41:11,495 INFO L226 Difference]: Without dead ends: 8556 [2022-11-18 18:41:11,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-18 18:41:11,519 INFO L413 NwaCegarLoop]: 1793 mSDtfsCounter, 2174 mSDsluCounter, 9190 mSDsCounter, 0 mSdLazyCounter, 5045 mSolverCounterSat, 1335 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2320 SdHoareTripleChecker+Valid, 10983 SdHoareTripleChecker+Invalid, 6381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1335 IncrementalHoareTripleChecker+Valid, 5045 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:41:11,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2320 Valid, 10983 Invalid, 6381 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1335 Valid, 5045 Invalid, 1 Unknown, 0 Unchecked, 17.6s Time] [2022-11-18 18:41:11,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8556 states. [2022-11-18 18:41:12,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8556 to 5880. [2022-11-18 18:41:12,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5880 states, 4302 states have (on average 1.310320781032078) internal successors, (5637), 4382 states have internal predecessors, (5637), 1158 states have call successors, (1158), 414 states have call predecessors, (1158), 419 states have return successors, (1180), 1128 states have call predecessors, (1180), 1156 states have call successors, (1180) [2022-11-18 18:41:12,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5880 states to 5880 states and 7975 transitions. [2022-11-18 18:41:12,169 INFO L78 Accepts]: Start accepts. Automaton has 5880 states and 7975 transitions. Word has length 245 [2022-11-18 18:41:12,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:41:12,170 INFO L495 AbstractCegarLoop]: Abstraction has 5880 states and 7975 transitions. [2022-11-18 18:41:12,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.727272727272727) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (29), 8 states have call predecessors, (29), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-18 18:41:12,171 INFO L276 IsEmpty]: Start isEmpty. Operand 5880 states and 7975 transitions. [2022-11-18 18:41:12,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-11-18 18:41:12,185 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:41:12,185 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-11-18 18:41:12,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 18:41:12,186 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:41:12,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:41:12,186 INFO L85 PathProgramCache]: Analyzing trace with hash -2140048942, now seen corresponding path program 1 times [2022-11-18 18:41:12,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:41:12,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751288421] [2022-11-18 18:41:12,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:41:12,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:41:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:13,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:41:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:13,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:13,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:41:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:13,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 18:41:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:13,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:13,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:41:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:13,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 18:41:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:13,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:13,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:41:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:13,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 18:41:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:13,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:13,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:41:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:13,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 18:41:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:13,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:13,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:41:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:13,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 18:41:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:13,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:13,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:41:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:13,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 18:41:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:14,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:14,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 18:41:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:14,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:14,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:14,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:41:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:14,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 18:41:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:14,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:14,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:41:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:14,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-18 18:41:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:14,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-18 18:41:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:14,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-18 18:41:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:14,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-18 18:41:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:14,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-18 18:41:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:14,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 18:41:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:14,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-18 18:41:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:14,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-18 18:41:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:14,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-18 18:41:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:14,392 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-11-18 18:41:14,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:41:14,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751288421] [2022-11-18 18:41:14,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751288421] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:41:14,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:41:14,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 18:41:14,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814981475] [2022-11-18 18:41:14,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:41:14,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 18:41:14,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:41:14,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 18:41:14,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-18 18:41:14,396 INFO L87 Difference]: Start difference. First operand 5880 states and 7975 transitions. Second operand has 12 states, 11 states have (on average 10.727272727272727) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (29), 8 states have call predecessors, (29), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-18 18:41:19,404 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 18:41:21,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:23,419 WARN L539 Checker$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 18:41:31,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:35,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:41:35,336 INFO L93 Difference]: Finished difference Result 12705 states and 17425 transitions. [2022-11-18 18:41:35,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 18:41:35,344 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.727272727272727) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (29), 8 states have call predecessors, (29), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 245 [2022-11-18 18:41:35,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:41:35,386 INFO L225 Difference]: With dead ends: 12705 [2022-11-18 18:41:35,386 INFO L226 Difference]: Without dead ends: 6828 [2022-11-18 18:41:35,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2022-11-18 18:41:35,413 INFO L413 NwaCegarLoop]: 1291 mSDtfsCounter, 1784 mSDsluCounter, 7394 mSDsCounter, 0 mSdLazyCounter, 5174 mSolverCounterSat, 1361 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1844 SdHoareTripleChecker+Valid, 8685 SdHoareTripleChecker+Invalid, 6538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1361 IncrementalHoareTripleChecker+Valid, 5174 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:41:35,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1844 Valid, 8685 Invalid, 6538 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1361 Valid, 5174 Invalid, 3 Unknown, 0 Unchecked, 20.0s Time] [2022-11-18 18:41:35,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6828 states. [2022-11-18 18:41:36,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6828 to 5928. [2022-11-18 18:41:36,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5928 states, 4332 states have (on average 1.309556786703601) internal successors, (5673), 4418 states have internal predecessors, (5673), 1164 states have call successors, (1164), 420 states have call predecessors, (1164), 431 states have return successors, (1192), 1134 states have call predecessors, (1192), 1162 states have call successors, (1192) [2022-11-18 18:41:36,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5928 states to 5928 states and 8029 transitions. [2022-11-18 18:41:36,104 INFO L78 Accepts]: Start accepts. Automaton has 5928 states and 8029 transitions. Word has length 245 [2022-11-18 18:41:36,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:41:36,105 INFO L495 AbstractCegarLoop]: Abstraction has 5928 states and 8029 transitions. [2022-11-18 18:41:36,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.727272727272727) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (29), 8 states have call predecessors, (29), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-18 18:41:36,105 INFO L276 IsEmpty]: Start isEmpty. Operand 5928 states and 8029 transitions. [2022-11-18 18:41:36,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-11-18 18:41:36,120 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:41:36,120 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-11-18 18:41:36,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 18:41:36,121 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:41:36,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:41:36,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1422404804, now seen corresponding path program 1 times [2022-11-18 18:41:36,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:41:36,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001576592] [2022-11-18 18:41:36,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:41:36,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:41:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:37,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:41:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:37,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:37,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:41:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:37,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 18:41:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:37,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:37,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:41:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:37,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 18:41:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:37,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:37,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:41:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:37,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 18:41:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:37,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:37,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:41:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:37,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 18:41:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:37,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:37,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:41:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:37,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 18:41:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:37,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:37,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:41:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:37,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 18:41:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:37,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:38,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-18 18:41:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:38,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:38,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:38,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:41:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:38,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 18:41:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:38,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:38,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:41:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:38,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-18 18:41:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:38,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-18 18:41:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:38,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-18 18:41:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:38,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-18 18:41:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:38,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-18 18:41:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:38,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-18 18:41:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:38,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 18:41:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:38,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-18 18:41:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:38,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 18:41:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:38,310 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-11-18 18:41:38,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:41:38,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001576592] [2022-11-18 18:41:38,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001576592] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:41:38,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878997373] [2022-11-18 18:41:38,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:41:38,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:41:38,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:41:38,319 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:41:38,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 18:41:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:39,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 3969 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 18:41:39,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:41:39,863 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2022-11-18 18:41:39,863 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:41:39,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1878997373] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:41:39,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 18:41:39,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2022-11-18 18:41:39,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408597885] [2022-11-18 18:41:39,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:41:39,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:41:39,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:41:39,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:41:39,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-11-18 18:41:39,867 INFO L87 Difference]: Start difference. First operand 5928 states and 8029 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-18 18:41:40,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:41:40,589 INFO L93 Difference]: Finished difference Result 11884 states and 16095 transitions. [2022-11-18 18:41:40,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:41:40,590 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 246 [2022-11-18 18:41:40,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:41:40,618 INFO L225 Difference]: With dead ends: 11884 [2022-11-18 18:41:40,618 INFO L226 Difference]: Without dead ends: 5944 [2022-11-18 18:41:40,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2022-11-18 18:41:40,645 INFO L413 NwaCegarLoop]: 1746 mSDtfsCounter, 22 mSDsluCounter, 5225 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 6971 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:41:40,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 6971 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:41:40,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5944 states. [2022-11-18 18:41:41,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5944 to 5919. [2022-11-18 18:41:41,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5919 states, 4323 states have (on average 1.3083506823964839) internal successors, (5656), 4409 states have internal predecessors, (5656), 1164 states have call successors, (1164), 420 states have call predecessors, (1164), 431 states have return successors, (1192), 1134 states have call predecessors, (1192), 1162 states have call successors, (1192) [2022-11-18 18:41:41,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5919 states to 5919 states and 8012 transitions. [2022-11-18 18:41:41,324 INFO L78 Accepts]: Start accepts. Automaton has 5919 states and 8012 transitions. Word has length 246 [2022-11-18 18:41:41,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:41:41,324 INFO L495 AbstractCegarLoop]: Abstraction has 5919 states and 8012 transitions. [2022-11-18 18:41:41,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-18 18:41:41,325 INFO L276 IsEmpty]: Start isEmpty. Operand 5919 states and 8012 transitions. [2022-11-18 18:41:41,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-11-18 18:41:41,341 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:41:41,341 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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 18:41:41,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-18 18:41:41,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:41:41,557 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:41:41,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:41:41,557 INFO L85 PathProgramCache]: Analyzing trace with hash -124485667, now seen corresponding path program 1 times [2022-11-18 18:41:41,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:41:41,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207247390] [2022-11-18 18:41:41,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:41:41,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:41:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:42,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 18:41:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:42,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:42,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 18:41:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-18 18:41:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:41:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 18:41:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:41:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 18:41:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:41:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 18:41:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:41:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 18:41:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:41:43,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 18:41:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:41:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 18:41:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-18 18:41:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:41:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 18:41:43,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:41:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-18 18:41:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-18 18:41:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-18 18:41:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-18 18:41:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-18 18:41:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 18:41:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-18 18:41:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-18 18:41:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-18 18:41:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:43,803 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-11-18 18:41:43,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:41:43,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207247390] [2022-11-18 18:41:43,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207247390] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:41:43,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:41:43,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-18 18:41:43,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126288390] [2022-11-18 18:41:43,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:41:43,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-18 18:41:43,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:41:43,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-18 18:41:43,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-11-18 18:41:43,809 INFO L87 Difference]: Start difference. First operand 5919 states and 8012 transitions. Second operand has 14 states, 14 states have (on average 9.428571428571429) internal successors, (132), 7 states have internal predecessors, (132), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-18 18:41:49,406 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 18:41:51,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:58,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:00,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:05,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:07,789 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 18:42:13,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:42:13,860 INFO L93 Difference]: Finished difference Result 15340 states and 21358 transitions. [2022-11-18 18:42:13,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-18 18:42:13,861 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.428571428571429) internal successors, (132), 7 states have internal predecessors, (132), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 266 [2022-11-18 18:42:13,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:42:13,905 INFO L225 Difference]: With dead ends: 15340 [2022-11-18 18:42:13,905 INFO L226 Difference]: Without dead ends: 9424 [2022-11-18 18:42:13,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2022-11-18 18:42:13,933 INFO L413 NwaCegarLoop]: 1874 mSDtfsCounter, 3096 mSDsluCounter, 13079 mSDsCounter, 0 mSdLazyCounter, 7986 mSolverCounterSat, 1638 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3327 SdHoareTripleChecker+Valid, 14953 SdHoareTripleChecker+Invalid, 9626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1638 IncrementalHoareTripleChecker+Valid, 7986 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.5s IncrementalHoareTripleChecker+Time [2022-11-18 18:42:13,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3327 Valid, 14953 Invalid, 9626 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1638 Valid, 7986 Invalid, 2 Unknown, 0 Unchecked, 28.5s Time] [2022-11-18 18:42:13,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9424 states. [2022-11-18 18:42:14,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9424 to 6574. [2022-11-18 18:42:14,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6574 states, 4806 states have (on average 1.3052434456928839) internal successors, (6273), 4897 states have internal predecessors, (6273), 1265 states have call successors, (1265), 484 states have call predecessors, (1265), 502 states have return successors, (1300), 1241 states have call predecessors, (1300), 1263 states have call successors, (1300) [2022-11-18 18:42:14,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6574 states to 6574 states and 8838 transitions. [2022-11-18 18:42:14,742 INFO L78 Accepts]: Start accepts. Automaton has 6574 states and 8838 transitions. Word has length 266 [2022-11-18 18:42:14,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:42:14,743 INFO L495 AbstractCegarLoop]: Abstraction has 6574 states and 8838 transitions. [2022-11-18 18:42:14,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.428571428571429) internal successors, (132), 7 states have internal predecessors, (132), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-18 18:42:14,743 INFO L276 IsEmpty]: Start isEmpty. Operand 6574 states and 8838 transitions. [2022-11-18 18:42:14,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-11-18 18:42:14,760 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:42:14,760 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-11-18 18:42:14,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 18:42:14,761 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:42:14,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:42:14,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1965340060, now seen corresponding path program 1 times [2022-11-18 18:42:14,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:42:14,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729685381] [2022-11-18 18:42:14,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:42:14,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:42:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:15,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 18:42:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:42:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 18:42:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:42:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 18:42:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:42:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:42:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 18:42:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:42:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:42:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:42:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:42:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:42:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 18:42:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:42:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:42:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-18 18:42:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:42:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:42:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-18 18:42:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:42:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:42:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 18:42:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:42:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-18 18:42:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:42:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:42:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:42:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 18:42:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:42:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:42:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-18 18:42:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 18:42:16,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-18 18:42:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-18 18:42:16,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-18 18:42:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-18 18:42:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 18:42:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-18 18:42:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-11-18 18:42:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:16,752 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-11-18 18:42:16,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:42:16,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729685381] [2022-11-18 18:42:16,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729685381] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:42:16,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723699281] [2022-11-18 18:42:16,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:42:16,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:42:16,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:42:16,755 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:42:16,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 18:42:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:19,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 4092 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 18:42:19,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:42:19,230 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-11-18 18:42:19,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:42:19,729 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-11-18 18:42:19,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1723699281] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:42:19,730 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 18:42:19,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7, 7] total 19 [2022-11-18 18:42:19,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654075429] [2022-11-18 18:42:19,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 18:42:19,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-18 18:42:19,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:42:19,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-18 18:42:19,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2022-11-18 18:42:19,733 INFO L87 Difference]: Start difference. First operand 6574 states and 8838 transitions. Second operand has 19 states, 17 states have (on average 11.647058823529411) internal successors, (198), 13 states have internal predecessors, (198), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-11-18 18:42:33,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:42:33,690 INFO L93 Difference]: Finished difference Result 14176 states and 19273 transitions. [2022-11-18 18:42:33,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 18:42:33,691 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 11.647058823529411) internal successors, (198), 13 states have internal predecessors, (198), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 272 [2022-11-18 18:42:33,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:42:33,727 INFO L225 Difference]: With dead ends: 14176 [2022-11-18 18:42:33,727 INFO L226 Difference]: Without dead ends: 7514 [2022-11-18 18:42:33,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 639 GetRequests, 609 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=183, Invalid=747, Unknown=0, NotChecked=0, Total=930 [2022-11-18 18:42:33,751 INFO L413 NwaCegarLoop]: 1285 mSDtfsCounter, 1520 mSDsluCounter, 9388 mSDsCounter, 0 mSdLazyCounter, 6104 mSolverCounterSat, 1080 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 10673 SdHoareTripleChecker+Invalid, 7184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1080 IncrementalHoareTripleChecker+Valid, 6104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:42:33,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1580 Valid, 10673 Invalid, 7184 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1080 Valid, 6104 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2022-11-18 18:42:33,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7514 states. [2022-11-18 18:42:34,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7514 to 6567. [2022-11-18 18:42:34,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6567 states, 4806 states have (on average 1.3037869330004161) internal successors, (6266), 4890 states have internal predecessors, (6266), 1265 states have call successors, (1265), 484 states have call predecessors, (1265), 495 states have return successors, (1293), 1241 states have call predecessors, (1293), 1263 states have call successors, (1293) [2022-11-18 18:42:34,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6567 states to 6567 states and 8824 transitions. [2022-11-18 18:42:34,383 INFO L78 Accepts]: Start accepts. Automaton has 6567 states and 8824 transitions. Word has length 272 [2022-11-18 18:42:34,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:42:34,384 INFO L495 AbstractCegarLoop]: Abstraction has 6567 states and 8824 transitions. [2022-11-18 18:42:34,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 11.647058823529411) internal successors, (198), 13 states have internal predecessors, (198), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-11-18 18:42:34,384 INFO L276 IsEmpty]: Start isEmpty. Operand 6567 states and 8824 transitions. [2022-11-18 18:42:34,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-11-18 18:42:34,400 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:42:34,400 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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 18:42:34,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 18:42:34,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-18 18:42:34,612 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:42:34,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:42:34,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1290602674, now seen corresponding path program 2 times [2022-11-18 18:42:34,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:42:34,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001932574] [2022-11-18 18:42:34,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:42:34,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:42:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:35,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 18:42:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:35,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:42:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:35,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 18:42:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:35,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:42:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:35,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 18:42:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:35,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:42:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:35,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:42:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:35,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 18:42:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:42:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:42:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:42:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:42:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:42:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 18:42:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:42:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:42:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-18 18:42:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:42:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:42:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-18 18:42:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:42:36,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:42:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 18:42:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:42:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-18 18:42:36,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:42:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:42:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:42:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 18:42:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:42:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:42:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-18 18:42:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-18 18:42:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-11-18 18:42:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-18 18:42:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-18 18:42:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-11-18 18:42:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 18:42:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 18:42:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-18 18:42:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:36,646 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-11-18 18:42:36,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:42:36,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001932574] [2022-11-18 18:42:36,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001932574] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:42:36,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59209843] [2022-11-18 18:42:36,647 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 18:42:36,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:42:36,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:42:36,649 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:42:36,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 18:42:51,165 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 18:42:51,166 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 18:42:51,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 4107 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 18:42:51,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:42:51,368 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 52 proven. 3 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-11-18 18:42:51,368 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:42:51,921 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-11-18 18:42:51,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [59209843] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:42:51,922 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 18:42:51,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 22 [2022-11-18 18:42:51,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044030285] [2022-11-18 18:42:51,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 18:42:51,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-18 18:42:51,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:42:51,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-18 18:42:51,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2022-11-18 18:42:51,925 INFO L87 Difference]: Start difference. First operand 6567 states and 8824 transitions. Second operand has 22 states, 20 states have (on average 10.05) internal successors, (201), 16 states have internal predecessors, (201), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-11-18 18:42:58,390 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 18:43:00,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:02,402 WARN L539 Checker$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 18:43:18,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:43:18,730 INFO L93 Difference]: Finished difference Result 14155 states and 19219 transitions. [2022-11-18 18:43:18,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 18:43:18,731 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 10.05) internal successors, (201), 16 states have internal predecessors, (201), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 273 [2022-11-18 18:43:18,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:43:18,765 INFO L225 Difference]: With dead ends: 14155 [2022-11-18 18:43:18,766 INFO L226 Difference]: Without dead ends: 7535 [2022-11-18 18:43:18,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 646 GetRequests, 609 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=224, Invalid=1182, Unknown=0, NotChecked=0, Total=1406 [2022-11-18 18:43:18,790 INFO L413 NwaCegarLoop]: 1288 mSDtfsCounter, 1381 mSDsluCounter, 12560 mSDsCounter, 0 mSdLazyCounter, 8405 mSolverCounterSat, 1039 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1440 SdHoareTripleChecker+Valid, 13848 SdHoareTripleChecker+Invalid, 9447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1039 IncrementalHoareTripleChecker+Valid, 8405 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:43:18,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1440 Valid, 13848 Invalid, 9447 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1039 Valid, 8405 Invalid, 3 Unknown, 0 Unchecked, 25.2s Time] [2022-11-18 18:43:18,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7535 states. [2022-11-18 18:43:19,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7535 to 6588. [2022-11-18 18:43:19,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6588 states, 4825 states have (on average 1.3030051813471502) internal successors, (6287), 4909 states have internal predecessors, (6287), 1265 states have call successors, (1265), 486 states have call predecessors, (1265), 497 states have return successors, (1293), 1241 states have call predecessors, (1293), 1263 states have call successors, (1293) [2022-11-18 18:43:19,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6588 states to 6588 states and 8845 transitions. [2022-11-18 18:43:19,474 INFO L78 Accepts]: Start accepts. Automaton has 6588 states and 8845 transitions. Word has length 273 [2022-11-18 18:43:19,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:43:19,475 INFO L495 AbstractCegarLoop]: Abstraction has 6588 states and 8845 transitions. [2022-11-18 18:43:19,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 10.05) internal successors, (201), 16 states have internal predecessors, (201), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-11-18 18:43:19,476 INFO L276 IsEmpty]: Start isEmpty. Operand 6588 states and 8845 transitions. [2022-11-18 18:43:19,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-11-18 18:43:19,490 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:43:19,491 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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 18:43:19,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 18:43:19,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-18 18:43:19,704 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:43:19,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:19,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1848580188, now seen corresponding path program 3 times [2022-11-18 18:43:19,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:19,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578761727] [2022-11-18 18:43:19,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:19,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:20,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 18:43:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:20,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:20,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 18:43:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:20,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:43:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 18:43:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:43:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 18:43:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:43:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:43:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:43:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 18:43:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:43:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-18 18:43:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:43:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-18 18:43:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:43:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 18:43:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 18:43:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:43:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 18:43:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:43:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-18 18:43:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-18 18:43:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 18:43:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-18 18:43:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 18:43:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-18 18:43:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-18 18:43:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-11-18 18:43:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-18 18:43:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,981 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-11-18 18:43:21,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:21,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578761727] [2022-11-18 18:43:21,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578761727] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:43:21,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055434622] [2022-11-18 18:43:21,982 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 18:43:21,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:43:21,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:43:21,984 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:43:21,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 18:43:51,744 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-18 18:43:51,745 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 18:43:51,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 4122 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 18:43:51,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:43:52,201 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 52 proven. 6 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-11-18 18:43:52,201 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:43:53,010 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-11-18 18:43:53,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055434622] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:43:53,010 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 18:43:53,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 25 [2022-11-18 18:43:53,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241783087] [2022-11-18 18:43:53,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 18:43:53,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-18 18:43:53,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:53,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-18 18:43:53,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=525, Unknown=0, NotChecked=0, Total=600 [2022-11-18 18:43:53,014 INFO L87 Difference]: Start difference. First operand 6588 states and 8845 transitions. Second operand has 25 states, 23 states have (on average 8.869565217391305) internal successors, (204), 19 states have internal predecessors, (204), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-11-18 18:44:00,648 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 18:44:16,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:44:16,304 INFO L93 Difference]: Finished difference Result 14189 states and 19251 transitions. [2022-11-18 18:44:16,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 18:44:16,305 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 8.869565217391305) internal successors, (204), 19 states have internal predecessors, (204), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 274 [2022-11-18 18:44:16,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:44:16,335 INFO L225 Difference]: With dead ends: 14189 [2022-11-18 18:44:16,336 INFO L226 Difference]: Without dead ends: 7544 [2022-11-18 18:44:16,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 646 GetRequests, 608 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=193, Invalid=1213, Unknown=0, NotChecked=0, Total=1406 [2022-11-18 18:44:16,360 INFO L413 NwaCegarLoop]: 1284 mSDtfsCounter, 2236 mSDsluCounter, 15667 mSDsCounter, 0 mSdLazyCounter, 9920 mSolverCounterSat, 1728 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2295 SdHoareTripleChecker+Valid, 16951 SdHoareTripleChecker+Invalid, 11649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1728 IncrementalHoareTripleChecker+Valid, 9920 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2022-11-18 18:44:16,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2295 Valid, 16951 Invalid, 11649 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1728 Valid, 9920 Invalid, 1 Unknown, 0 Unchecked, 21.7s Time] [2022-11-18 18:44:16,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7544 states. [2022-11-18 18:44:17,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7544 to 6597. [2022-11-18 18:44:17,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6597 states, 4834 states have (on average 1.3024410426148116) internal successors, (6296), 4918 states have internal predecessors, (6296), 1265 states have call successors, (1265), 486 states have call predecessors, (1265), 497 states have return successors, (1293), 1241 states have call predecessors, (1293), 1263 states have call successors, (1293) [2022-11-18 18:44:17,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6597 states to 6597 states and 8854 transitions. [2022-11-18 18:44:17,134 INFO L78 Accepts]: Start accepts. Automaton has 6597 states and 8854 transitions. Word has length 274 [2022-11-18 18:44:17,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:44:17,135 INFO L495 AbstractCegarLoop]: Abstraction has 6597 states and 8854 transitions. [2022-11-18 18:44:17,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 8.869565217391305) internal successors, (204), 19 states have internal predecessors, (204), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-11-18 18:44:17,136 INFO L276 IsEmpty]: Start isEmpty. Operand 6597 states and 8854 transitions. [2022-11-18 18:44:17,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-11-18 18:44:17,148 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:44:17,149 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 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 18:44:17,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 18:44:17,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-18 18:44:17,364 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:44:17,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:44:17,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1966013938, now seen corresponding path program 4 times [2022-11-18 18:44:17,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:44:17,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491896724] [2022-11-18 18:44:17,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:44:17,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:44:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 18:44:21,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 18:44:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 18:44:25,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 18:44:25,055 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 18:44:25,056 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 18:44:25,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 18:44:25,061 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:44:25,068 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 18:44:25,155 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 18:44:25,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:44:25 BoogieIcfgContainer [2022-11-18 18:44:25,458 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 18:44:25,458 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:44:25,459 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:44:25,459 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:44:25,459 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:39:07" (3/4) ... [2022-11-18 18:44:25,463 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 18:44:25,464 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:44:25,464 INFO L158 Benchmark]: Toolchain (without parser) took 336353.24ms. Allocated memory was 136.3MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 83.1MB in the beginning and 685.3MB in the end (delta: -602.2MB). Peak memory consumption was 460.8MB. Max. memory is 16.1GB. [2022-11-18 18:44:25,465 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 136.3MB. Free memory was 110.4MB in the beginning and 110.4MB in the end (delta: 32.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:44:25,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6255.19ms. Allocated memory was 136.3MB in the beginning and 299.9MB in the end (delta: 163.6MB). Free memory was 83.1MB in the beginning and 178.6MB in the end (delta: -95.5MB). Peak memory consumption was 130.8MB. Max. memory is 16.1GB. [2022-11-18 18:44:25,465 INFO L158 Benchmark]: Boogie Procedure Inliner took 391.91ms. Allocated memory is still 299.9MB. Free memory was 178.6MB in the beginning and 151.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-18 18:44:25,466 INFO L158 Benchmark]: Boogie Preprocessor took 340.98ms. Allocated memory is still 299.9MB. Free memory was 151.3MB in the beginning and 123.0MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-18 18:44:25,466 INFO L158 Benchmark]: RCFGBuilder took 11804.15ms. Allocated memory was 299.9MB in the beginning and 673.2MB in the end (delta: 373.3MB). Free memory was 123.0MB in the beginning and 334.9MB in the end (delta: -211.9MB). Peak memory consumption was 276.6MB. Max. memory is 16.1GB. [2022-11-18 18:44:25,467 INFO L158 Benchmark]: TraceAbstraction took 317542.61ms. Allocated memory was 673.2MB in the beginning and 1.2GB in the end (delta: 526.4MB). Free memory was 333.9MB in the beginning and 685.3MB in the end (delta: -351.5MB). Peak memory consumption was 525.1MB. Max. memory is 16.1GB. [2022-11-18 18:44:25,467 INFO L158 Benchmark]: Witness Printer took 5.42ms. Allocated memory is still 1.2GB. Free memory is still 685.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:44:25,473 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 136.3MB. Free memory was 110.4MB in the beginning and 110.4MB in the end (delta: 32.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6255.19ms. Allocated memory was 136.3MB in the beginning and 299.9MB in the end (delta: 163.6MB). Free memory was 83.1MB in the beginning and 178.6MB in the end (delta: -95.5MB). Peak memory consumption was 130.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 391.91ms. Allocated memory is still 299.9MB. Free memory was 178.6MB in the beginning and 151.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 340.98ms. Allocated memory is still 299.9MB. Free memory was 151.3MB in the beginning and 123.0MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 11804.15ms. Allocated memory was 299.9MB in the beginning and 673.2MB in the end (delta: 373.3MB). Free memory was 123.0MB in the beginning and 334.9MB in the end (delta: -211.9MB). Peak memory consumption was 276.6MB. Max. memory is 16.1GB. * TraceAbstraction took 317542.61ms. Allocated memory was 673.2MB in the beginning and 1.2GB in the end (delta: 526.4MB). Free memory was 333.9MB in the beginning and 685.3MB in the end (delta: -351.5MB). Peak memory consumption was 525.1MB. Max. memory is 16.1GB. * Witness Printer took 5.42ms. Allocated memory is still 1.2GB. Free memory is still 685.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 13209]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 10111, overapproximation of bitwiseOr at line 10305, overapproximation of bitwiseAnd at line 10785. Possible FailurePath: [L6789] struct timer_list *ldv_timer_list_1 ; [L6780] struct xenbus_device *netback_driver_group0 ; [L6777] struct file *xenvif_dbg_io_ring_ops_fops_group2 ; [L6790] int ldv_state_variable_4 ; [L12449-L12454] static struct net_device_ops const xenvif_netdev_ops = {0, 0, & xenvif_open, & xenvif_close, (netdev_tx_t (*)(struct sk_buff * , struct net_device * ))(& xenvif_start_xmit), 0, 0, 0, & eth_mac_addr, & eth_validate_addr, 0, 0, & xenvif_change_mtu, 0, 0, 0, & xenvif_get_stats, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, & xenvif_fix_features, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L6782] int ldv_state_variable_5 ; [L7500] static unsigned int fatal_skb_slots = 20U; [L6776] int LDV_IN_INTERRUPT = 1; [L6778] struct net_device *xenvif_netdev_ops_group1 ; [L11582-L11583] static struct xenbus_device_id const netback_ids[2U] = { {{'v', 'i', 'f', '\000'}}, {{'\000'}}}; [L10523-L10526] static struct file_operations const xenvif_dbg_io_ring_ops_fops = {& __this_module, & seq_lseek, & seq_read, & xenvif_write_io_ring, 0, 0, 0, 0, 0, 0, 0, 0, & xenvif_dump_open, 0, & single_release, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L6787] int ref_cnt ; [L6785] int ldv_timer_state_1 = 0; [L7497] bool separate_tx_rx_irq = 1; [L6784] struct net_device *xenvif_ethtool_ops_group0 ; [L12362-L12371] static struct xenvif_stat const xenvif_stats[5U] = { {{'r', 'x', '_', 'g', 's', 'o', '_', 'c', 'h', 'e', 'c', 'k', 's', 'u', 'm', '_', 'f', 'i', 'x', 'u', 'p', '\000'}, 16U}, {{'t', 'x', '_', 'z', 'e', 'r', 'o', 'c', 'o', 'p', 'y', '_', 's', 'e', 'n', 't', '\000'}, 24U}, {{'t', 'x', '_', 'z', 'e', 'r', 'o', 'c', 'o', 'p', 'y', '_', 's', 'u', 'c', 'c', 'e', 's', 's', '\000'}, 32U}, {{'t', 'x', '_', 'z', 'e', 'r', 'o', 'c', 'o', 'p', 'y', '_', 'f', 'a', 'i', 'l', '\000'}, 40U}, {{'t', 'x', '_', 'f', 'r', 'a', 'g', '_', 'o', 'v', 'e', 'r', 'f', 'l', 'o', 'w', '\000'}, 48U}}; [L10411] struct dentry *xen_netback_dbg_root = (struct dentry *)0; [L7499] unsigned int rx_stall_timeout_msecs = 60000U; [L11602] int ldv_retval_0 ; [L10142] int ldv_retval_1 ; [L12445-L12448] static struct ethtool_ops const xenvif_ethtool_ops = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, & ethtool_op_get_link, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, & xenvif_get_strings, 0, & xenvif_get_ethtool_stats, 0, 0, 0, 0, & xenvif_get_sset_count, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L12857] int ldv_retval_2 ; [L13248] int ldv_module_refcounter = 1; [L12856] int ldv_retval_3 ; [L11603] int ldv_retval_4 ; [L6786] int ldv_state_variable_2 ; [L6783] int ldv_state_variable_3 ; [L6779] struct inode *xenvif_dbg_io_ring_ops_fops_group1 ; [L6781] int ldv_state_variable_0 ; [L6788] int ldv_state_variable_1 ; [L7498] unsigned int rx_drain_timeout_msecs = 10000U; [L7425] unsigned int xenvif_max_queues ; [L11584-L11587] static struct xenbus_driver netback_driver = {0, (struct xenbus_device_id const *)(& netback_ids), & netback_probe, & frontend_changed, & netback_remove, 0, 0, & netback_uevent, {0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0, 0}; VAL [__this_module={255:-254}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10151] int tmp ; [L10152] int tmp___0 ; [L10154] FCALL ldv_initialize() [L10155] ldv_state_variable_4 = 0 [L10156] ldv_state_variable_1 = 1 [L10157] ref_cnt = 0 [L10158] ldv_state_variable_0 = 1 [L10159] ldv_state_variable_3 = 0 [L10160] ldv_state_variable_2 = 0 [L10161] ldv_state_variable_5 = 0 VAL [__this_module={255:-254}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10163] tmp = __VERIFIER_nondet_int() [L10165] case 0: [L10171] case 1: [L10173] case 2: VAL [__this_module={255:-254}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10174] COND TRUE ldv_state_variable_0 != 0 [L10175] tmp___0 = __VERIFIER_nondet_int() [L10177] case 0: [L10185] case 1: VAL [__this_module={255:-254}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2, tmp___0=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10186] COND TRUE ldv_state_variable_0 == 1 [L10187] CALL, EXPR netback_init() [L10090] int rc ; [L10091] long tmp ; [L10092] bool tmp___0 ; [L10094] rc = 0 VAL [__this_module={255:-254}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10095] COND FALSE !((unsigned int )xen_domain_type == 0U) [L10099] CALL, EXPR cpumask_weight(cpu_online_mask) [L6561] int tmp ; [L6563] CALL, EXPR bitmap_weight((unsigned long const *)(& srcp->bits), (unsigned int )nr_cpu_ids) [L6551] int tmp___0 ; [L6553] CALL, EXPR __bitmap_weight(src, nbits) [L13332] return __VERIFIER_nondet_int(); [L6553] RET, EXPR __bitmap_weight(src, nbits) [L6553] tmp___0 = __bitmap_weight(src, nbits) [L6554] return (tmp___0); VAL [\old(nbits)=261, \result=245, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, nbits=261, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, src={73786976294838206728:73786976294838206732}, src={73786976294838206728:73786976294838206732}, tmp___0=245, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6563] RET, EXPR bitmap_weight((unsigned long const *)(& srcp->bits), (unsigned int )nr_cpu_ids) [L6563] tmp = bitmap_weight((unsigned long const *)(& srcp->bits), (unsigned int )nr_cpu_ids) [L6564] return ((unsigned int )tmp); VAL [\result=245, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, srcp={73786976294838206728:73786976294838206732}, srcp={73786976294838206728:73786976294838206732}, tmp=245, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10099] RET, EXPR cpumask_weight(cpu_online_mask) [L10099] xenvif_max_queues = cpumask_weight(cpu_online_mask) [L10100] COND FALSE !(fatal_skb_slots <= 17U) VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10106] CALL, EXPR xenvif_xenbus_init() [L11590] int tmp ; [L11592] CALL, EXPR __xenbus_register_backend(& netback_driver, & __this_module, "xen_netback") [L13376] return __VERIFIER_nondet_int(); [L11592] RET, EXPR __xenbus_register_backend(& netback_driver, & __this_module, "xen_netback") [L11592] tmp = __xenbus_register_backend(& netback_driver, & __this_module, "xen_netback") [L11593] return (tmp); VAL [\result=0, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10106] RET, EXPR xenvif_xenbus_init() [L10106] rc = xenvif_xenbus_init() [L10107] COND FALSE !(rc != 0) VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10111] CALL, EXPR debugfs_create_dir("xen-netback", (struct dentry *)0) VAL [__this_module={255:-254}, arg0={69:0}, arg1={0:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13419] CALL, EXPR ldv_malloc(sizeof(struct dentry)) VAL [\old(size)=300, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6694] void *p ; [L6695] void *tmp ; [L6696] int tmp___0 ; [L6698] tmp___0 = __VERIFIER_nondet_int() [L6699] COND TRUE tmp___0 != 0 [L6700] return ((void *)0); VAL [\old(size)=300, \result={0:0}, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=300, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13419] RET, EXPR ldv_malloc(sizeof(struct dentry)) VAL [__this_module={255:-254}, arg0={69:0}, arg0={69:0}, arg1={0:0}, arg1={0:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct dentry))={0:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13419] return ldv_malloc(sizeof(struct dentry)); [L10111] RET, EXPR debugfs_create_dir("xen-netback", (struct dentry *)0) VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, debugfs_create_dir("xen-netback", (struct dentry *)0)={0:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10111] xen_netback_dbg_root = debugfs_create_dir("xen-netback", (struct dentry *)0) [L10112] CALL, EXPR IS_ERR_OR_NULL((void const *)xen_netback_dbg_root) VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10251] bool tmp ; [L10253] CALL, EXPR ldv_is_err_or_null(ptr) [L13232] bool tmp ; [L13233] int tmp___0 ; VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13235] COND TRUE (unsigned long )ptr == (unsigned long )((void const *)0) [L13236] tmp___0 = 1 VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13245] return ((bool )tmp___0); VAL [\result=1, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10253] RET, EXPR ldv_is_err_or_null(ptr) [L10253] tmp = ldv_is_err_or_null(ptr) [L10254] return (tmp); VAL [\result=1, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10112] RET, EXPR IS_ERR_OR_NULL((void const *)xen_netback_dbg_root) VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, IS_ERR_OR_NULL((void const *)xen_netback_dbg_root)=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10112] tmp___0 = IS_ERR_OR_NULL((void const *)xen_netback_dbg_root) [L10113] COND TRUE (int )tmp___0 VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10114] CALL, EXPR PTR_ERR((void const *)xen_netback_dbg_root) VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10243] long tmp ; [L10245] CALL, EXPR ldv_ptr_err(ptr) [L13227] return ((long )(2012UL - (unsigned long )ptr)); VAL [\result=2012, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10245] RET, EXPR ldv_ptr_err(ptr) [L10245] tmp = ldv_ptr_err(ptr) [L10246] return (tmp); VAL [\result=2012, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2012, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10114] RET, EXPR PTR_ERR((void const *)xen_netback_dbg_root) VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, PTR_ERR((void const *)xen_netback_dbg_root)=2012, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10114] tmp = PTR_ERR((void const *)xen_netback_dbg_root) [L10118] return (0); VAL [\result=0, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2012, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10187] RET, EXPR netback_init() [L10187] ldv_retval_1 = netback_init() [L10188] COND TRUE ldv_retval_1 == 0 [L10189] ldv_state_variable_0 = 3 [L10190] ldv_state_variable_5 = 1 [L10191] CALL ldv_file_operations_5() [L11615] void *tmp ; [L11616] void *tmp___0 ; VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11618] CALL, EXPR ldv_init_zalloc(1000UL) VAL [\old(size)=1000, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1000, __this_module={255:-254}, calloc(1UL, size)={18446744073709551618:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=1000, __this_module={255:-254}, calloc(1UL, size)={18446744073709551618:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, p={18446744073709551618:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, tmp={18446744073709551618:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={255:-254}, cond=1, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1000, __this_module={255:-254}, calloc(1UL, size)={18446744073709551618:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, p={18446744073709551618:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, tmp={18446744073709551618:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=1000, \result={18446744073709551618:0}, __this_module={255:-254}, calloc(1UL, size)={18446744073709551618:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, p={18446744073709551618:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, tmp={18446744073709551618:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11618] RET, EXPR ldv_init_zalloc(1000UL) VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1000UL)={18446744073709551618:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11618] tmp = ldv_init_zalloc(1000UL) [L11619] xenvif_dbg_io_ring_ops_fops_group1 = (struct inode *)tmp VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={18446744073709551618:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11620] CALL, EXPR ldv_init_zalloc(504UL) VAL [\old(size)=504, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=504, __this_module={255:-254}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=504, __this_module={255:-254}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, p={-18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, tmp={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={255:-254}, cond=1, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=504, __this_module={255:-254}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, p={-18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, tmp={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=504, \result={-18446744073709551617:0}, __this_module={255:-254}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, p={-18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, tmp={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11620] RET, EXPR ldv_init_zalloc(504UL) VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(504UL)={-18446744073709551617:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={18446744073709551618:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11620] tmp___0 = ldv_init_zalloc(504UL) [L11621] xenvif_dbg_io_ring_ops_fops_group2 = (struct file *)tmp___0 VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={18446744073709551618:0}, tmp___0={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10191] RET ldv_file_operations_5() [L10192] ldv_state_variable_3 = 1 [L10193] CALL ldv_initialize_ethtool_ops_3() [L12896] void *tmp ; VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12898] CALL, EXPR ldv_init_zalloc(3008UL) VAL [\old(size)=3008, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=3008, __this_module={255:-254}, calloc(1UL, size)={-36893488147419103233:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=3008, __this_module={255:-254}, calloc(1UL, size)={-36893488147419103233:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, p={-36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={-36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={255:-254}, cond=1, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=3008, __this_module={255:-254}, calloc(1UL, size)={-36893488147419103233:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, p={-36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={-36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=3008, \result={-36893488147419103233:0}, __this_module={255:-254}, calloc(1UL, size)={-36893488147419103233:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, p={-36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={-36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12898] RET, EXPR ldv_init_zalloc(3008UL) VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(3008UL)={-36893488147419103233:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12898] tmp = ldv_init_zalloc(3008UL) [L12899] xenvif_ethtool_ops_group0 = (struct net_device *)tmp VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10193] RET ldv_initialize_ethtool_ops_3() [L10194] ldv_state_variable_4 = 1 [L10195] CALL ldv_initialize_xenbus_driver_4() [L11606] void *tmp ; VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11608] CALL, EXPR ldv_init_zalloc(1664UL) VAL [\old(size)=1664, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1664, __this_module={255:-254}, calloc(1UL, size)={55340232221128654849:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=1664, __this_module={255:-254}, calloc(1UL, size)={55340232221128654849:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, p={55340232221128654849:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={55340232221128654849:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={255:-254}, cond=1, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1664, __this_module={255:-254}, calloc(1UL, size)={55340232221128654849:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, p={55340232221128654849:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={55340232221128654849:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=1664, \result={55340232221128654849:0}, __this_module={255:-254}, calloc(1UL, size)={55340232221128654849:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, p={55340232221128654849:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={55340232221128654849:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11608] RET, EXPR ldv_init_zalloc(1664UL) VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1664UL)={55340232221128654849:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11608] tmp = ldv_init_zalloc(1664UL) [L11609] netback_driver_group0 = (struct xenbus_device *)tmp VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={55340232221128654849:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10195] RET ldv_initialize_xenbus_driver_4() [L10198] COND FALSE !(ldv_retval_1 != 0) VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10163] tmp = __VERIFIER_nondet_int() [L10165] case 0: VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=0, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10166] COND TRUE ldv_state_variable_4 != 0 [L10167] CALL ldv_main_exported_4() [L11627] struct xenbus_device_id *ldvarg2 ; [L11628] void *tmp ; [L11629] enum xenbus_state ldvarg0 ; [L11630] struct kobj_uevent_env *ldvarg1 ; [L11631] void *tmp___0 ; [L11632] int tmp___1 ; VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={73786976294838206710:0}, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11634] CALL, EXPR ldv_init_zalloc(32UL) VAL [\old(size)=32, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=32, __this_module={255:-254}, calloc(1UL, size)={36893488147419103233:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=32, __this_module={255:-254}, calloc(1UL, size)={36893488147419103233:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, p={36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={255:-254}, cond=1, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=32, __this_module={255:-254}, calloc(1UL, size)={36893488147419103233:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, p={36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=32, \result={36893488147419103233:0}, __this_module={255:-254}, calloc(1UL, size)={36893488147419103233:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, p={36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11634] RET, EXPR ldv_init_zalloc(32UL) VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(32UL)={36893488147419103233:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={73786976294838206710:0}, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11634] tmp = ldv_init_zalloc(32UL) [L11635] ldvarg2 = (struct xenbus_device_id *)tmp VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={73786976294838206710:0}, ldvarg2={36893488147419103233:0}, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11636] CALL, EXPR ldv_init_zalloc(2336UL) VAL [\old(size)=2336, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=2336, __this_module={255:-254}, calloc(1UL, size)={73786976294838206465:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=2336, __this_module={255:-254}, calloc(1UL, size)={73786976294838206465:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, p={73786976294838206465:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={73786976294838206465:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={255:-254}, cond=1, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=2336, __this_module={255:-254}, calloc(1UL, size)={73786976294838206465:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, p={73786976294838206465:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={73786976294838206465:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=2336, \result={73786976294838206465:0}, __this_module={255:-254}, calloc(1UL, size)={73786976294838206465:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, p={73786976294838206465:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={73786976294838206465:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11636] RET, EXPR ldv_init_zalloc(2336UL) VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(2336UL)={73786976294838206465:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={73786976294838206710:0}, ldvarg2={36893488147419103233:0}, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11636] tmp___0 = ldv_init_zalloc(2336UL) [L11637] ldvarg1 = (struct kobj_uevent_env *)tmp___0 VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={73786976294838206710:0}, ldvarg1={73786976294838206465:0}, ldvarg2={36893488147419103233:0}, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={36893488147419103233:0}, tmp___0={73786976294838206465:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11638] CALL ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [\old(c)=0, \old(n)=4, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={73786976294838206710:0}, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6741] void *tmp ; VAL [\old(c)=0, \old(n)=4, __this_module={255:-254}, c=0, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, n=4, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={73786976294838206710:0}, s={73786976294838206710:0}, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6743] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, __this_module={255:-254}, c=0, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, memset(s, c, n)={73786976294838206710:0}, n=4, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={73786976294838206710:0}, s={73786976294838206710:0}, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6743] tmp = memset(s, c, n) [L6744] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={73786976294838206710:0}, __this_module={255:-254}, c=0, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, n=4, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={73786976294838206710:0}, s={73786976294838206710:0}, separate_tx_rx_irq=1, tmp={73786976294838206710:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11638] RET ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg0), 0, 4UL)={73786976294838206710:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={73786976294838206710:0}, ldvarg1={73786976294838206465:0}, ldvarg2={36893488147419103233:0}, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={36893488147419103233:0}, tmp___0={73786976294838206465:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11639] tmp___1 = __VERIFIER_nondet_int() [L11641] case 0: VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={73786976294838206710:0}, ldvarg1={73786976294838206465:0}, ldvarg2={36893488147419103233:0}, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={36893488147419103233:0}, tmp___0={73786976294838206465:0}, tmp___1=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11642] COND TRUE ldv_state_variable_4 == 1 [L11643] CALL netback_probe(netback_driver_group0, (struct xenbus_device_id const *)ldvarg2) [L10632] char const *message ; [L10633] struct xenbus_transaction xbt ; [L10634] int err ; [L10635] int sg ; [L10636] char const *script ; [L10637] struct backend_info *be ; [L10638] void *tmp ; [L10639] struct xenbus_transaction __constr_expr_0 ; [L10640] struct _ddebug descriptor ; [L10641] long tmp___0 ; [L10642] struct xenbus_transaction __constr_expr_1 ; [L10643] struct _ddebug descriptor___0 ; [L10644] long tmp___1 ; [L10645] struct xenbus_transaction __constr_expr_2 ; [L10646] void *tmp___2 ; [L10647] long tmp___3 ; [L10648] bool tmp___4 ; [L10649] struct _ddebug descriptor___1 ; [L10650] long tmp___5 ; VAL [__constr_expr_0={73786976294838206714:0}, __constr_expr_1={73786976294838206717:0}, __constr_expr_2={73786976294838206711:0}, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, descriptor={73786976294838206718:0}, descriptor___0={73786976294838206716:0}, descriptor___1={73786976294838206715:0}, dev={55340232221128654849:0}, dev={55340232221128654849:0}, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xbt={73786976294838206712:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10652] CALL, EXPR kzalloc(72UL, 208U) VAL [\old(flags)=208, \old(size)=72, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10303] void *tmp ; VAL [\old(flags)=208, \old(size)=72, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, flags=208, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10305] CALL, EXPR kmalloc(size, flags | 32768U) VAL [\old(flags)=32768, \old(size)=72, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10294] void *tmp___2 ; [L10296] CALL, EXPR __kmalloc(size, flags) [L10289] CALL, EXPR ldv_malloc(size) VAL [\old(size)=72, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6694] void *p ; [L6695] void *tmp ; [L6696] int tmp___0 ; [L6698] tmp___0 = __VERIFIER_nondet_int() [L6699] COND FALSE !(tmp___0 != 0) [L6702] tmp = malloc(size) [L6703] p = tmp VAL [\old(size)=72, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, p={-18446744073709551615:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709551615:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6704] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={255:-254}, cond=1, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6704] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=72, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, p={-18446744073709551615:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709551615:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6705] CALL, EXPR IS_ERR(p) VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ptr={-18446744073709551615:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11777] bool tmp ; VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11779] CALL, EXPR ldv_is_err(ptr) VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ptr={-18446744073709551615:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13215] return ((unsigned long )ptr > 2012UL); VAL [\result=0, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11779] RET, EXPR ldv_is_err(ptr) VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11779] tmp = ldv_is_err(ptr) [L11780] return (tmp); VAL [\result=0, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6705] RET, EXPR IS_ERR(p) VAL [\old(size)=72, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, IS_ERR(p)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, p={-18446744073709551615:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709551615:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6705] CALL assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(cond)=1, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={255:-254}, cond=1, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6705] RET assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(size)=72, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, IS_ERR(p)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, p={-18446744073709551615:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709551615:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6706] return (p); VAL [\old(size)=72, \result={-18446744073709551615:0}, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, p={-18446744073709551615:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709551615:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10289] RET, EXPR ldv_malloc(size) VAL [\old(size)=72, \old(t)=32768, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_malloc(size)={-18446744073709551615:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, t=32768, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10289] return ldv_malloc(size); [L10296] RET, EXPR __kmalloc(size, flags) [L10296] tmp___2 = __kmalloc(size, flags) [L10297] return (tmp___2); VAL [\old(flags)=32768, \old(size)=72, \result={-18446744073709551615:0}, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, flags=32768, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp___2={-18446744073709551615:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10305] RET, EXPR kmalloc(size, flags | 32768U) VAL [\old(flags)=208, \old(size)=72, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, flags=208, kmalloc(size, flags | 32768U)={-18446744073709551615:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10305] tmp = kmalloc(size, flags | 32768U) [L10306] return (tmp); VAL [\old(flags)=208, \old(size)=72, \result={-18446744073709551615:0}, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, flags=208, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709551615:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10652] RET, EXPR kzalloc(72UL, 208U) VAL [__constr_expr_0={73786976294838206714:0}, __constr_expr_1={73786976294838206717:0}, __constr_expr_2={73786976294838206711:0}, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, descriptor={73786976294838206718:0}, descriptor___0={73786976294838206716:0}, descriptor___1={73786976294838206715:0}, dev={55340232221128654849:0}, dev={55340232221128654849:0}, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, kzalloc(72UL, 208U)={-18446744073709551615:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xbt={73786976294838206712:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10652] tmp = kzalloc(72UL, 208U) [L10653] be = (struct backend_info *)tmp VAL [__constr_expr_0={73786976294838206714:0}, __constr_expr_1={73786976294838206717:0}, __constr_expr_2={73786976294838206711:0}, __this_module={255:-254}, be={-18446744073709551615:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, descriptor={73786976294838206718:0}, descriptor___0={73786976294838206716:0}, descriptor___1={73786976294838206715:0}, dev={55340232221128654849:0}, dev={55340232221128654849:0}, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709551615:0}, xbt={73786976294838206712:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10654] COND FALSE !((unsigned long )be == (unsigned long )((struct backend_info *)0)) [L10659] be->dev = dev VAL [__constr_expr_0={73786976294838206714:0}, __constr_expr_1={73786976294838206717:0}, __constr_expr_2={73786976294838206711:0}, __this_module={255:-254}, be={-18446744073709551615:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, descriptor={73786976294838206718:0}, descriptor___0={73786976294838206716:0}, descriptor___1={73786976294838206715:0}, dev={55340232221128654849:0}, dev={55340232221128654849:0}, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709551615:0}, xbt={73786976294838206712:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10660] CALL dev_set_drvdata(& dev->dev, (void *)be) VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, data={-18446744073709551615:0}, dev={55340232221128654849:60}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10323] dev->driver_data = data VAL [__this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, data={-18446744073709551615:0}, data={-18446744073709551615:0}, dev={55340232221128654849:60}, dev={55340232221128654849:60}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10660] RET dev_set_drvdata(& dev->dev, (void *)be) VAL [__constr_expr_0={73786976294838206714:0}, __constr_expr_1={73786976294838206717:0}, __constr_expr_2={73786976294838206711:0}, __this_module={255:-254}, be={-18446744073709551615:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, descriptor={73786976294838206718:0}, descriptor___0={73786976294838206716:0}, descriptor___1={73786976294838206715:0}, dev={55340232221128654849:0}, dev={55340232221128654849:0}, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709551615:0}, xbt={73786976294838206712:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10661] sg = 1 VAL [__constr_expr_0={73786976294838206714:0}, __constr_expr_1={73786976294838206717:0}, __constr_expr_2={73786976294838206711:0}, __this_module={255:-254}, be={-18446744073709551615:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, descriptor={73786976294838206718:0}, descriptor___0={73786976294838206716:0}, descriptor___1={73786976294838206715:0}, dev={55340232221128654849:0}, dev={55340232221128654849:0}, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709551615:0}, xbt={73786976294838206712:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10663] CALL, EXPR xenbus_transaction_start(& xbt) [L13713] return __VERIFIER_nondet_int(); [L10663] RET, EXPR xenbus_transaction_start(& xbt) [L10663] err = xenbus_transaction_start(& xbt) [L10664] COND TRUE err != 0 VAL [__constr_expr_0={73786976294838206714:0}, __constr_expr_1={73786976294838206717:0}, __constr_expr_2={73786976294838206711:0}, __this_module={255:-254}, be={-18446744073709551615:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, descriptor={73786976294838206718:0}, descriptor___0={73786976294838206716:0}, descriptor___1={73786976294838206715:0}, dev={55340232221128654849:0}, dev={55340232221128654849:0}, err=1, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709551615:0}, xbt={73786976294838206712:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10779] descriptor___1.modname = "xen_netback" [L10780] descriptor___1.function = "netback_probe" [L10781] descriptor___1.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c" [L10782] descriptor___1.format = "failed\n" [L10783] descriptor___1.lineno = 380U [L10784] descriptor___1.flags = 0U [L10785] EXPR descriptor___1.flags VAL [__constr_expr_0={73786976294838206714:0}, __constr_expr_1={73786976294838206717:0}, __constr_expr_2={73786976294838206711:0}, __this_module={255:-254}, be={-18446744073709551615:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, descriptor={73786976294838206718:0}, descriptor___0={73786976294838206716:0}, descriptor___1={73786976294838206715:0}, descriptor___1.flags=0, dev={55340232221128654849:0}, dev={55340232221128654849:0}, err=1, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709551615:0}, xbt={73786976294838206712:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10785] CALL, EXPR ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) VAL [\old(c)=0, \old(exp)=0, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6773] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __this_module={255:-254}, c=0, cpu_online_mask={73786976294838206728:73786976294838206732}, exp=0, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10785] RET, EXPR ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) VAL [__constr_expr_0={73786976294838206714:0}, __constr_expr_1={73786976294838206717:0}, __constr_expr_2={73786976294838206711:0}, __this_module={255:-254}, be={-18446744073709551615:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, descriptor={73786976294838206718:0}, descriptor___0={73786976294838206716:0}, descriptor___1={73786976294838206715:0}, descriptor___1.flags=0, dev={55340232221128654849:0}, dev={55340232221128654849:0}, err=1, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709551615:0}, xbt={73786976294838206712:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10785] tmp___5 = ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) [L10786] COND FALSE !(tmp___5 != 0L) VAL [__constr_expr_0={73786976294838206714:0}, __constr_expr_1={73786976294838206717:0}, __constr_expr_2={73786976294838206711:0}, __this_module={255:-254}, be={-18446744073709551615:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, descriptor={73786976294838206718:0}, descriptor___0={73786976294838206716:0}, descriptor___1={73786976294838206715:0}, dev={55340232221128654849:0}, dev={55340232221128654849:0}, err=1, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709551615:0}, tmp___5=0, xbt={73786976294838206712:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10790] CALL netback_remove(dev) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10607] struct backend_info *be ; [L10608] void *tmp ; [L10609] struct xenbus_transaction __constr_expr_0 ; VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={73786976294838206719:0}, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, dev={55340232221128654849:0}, dev={55340232221128654849:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10611] CALL, EXPR dev_get_drvdata((struct device const *)(& dev->dev)) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, dev={55340232221128654849:60}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10317] EXPR dev->driver_data [L10317] return ((void *)dev->driver_data); [L10611] RET, EXPR dev_get_drvdata((struct device const *)(& dev->dev)) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={73786976294838206719:0}, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, dev={55340232221128654849:0}, dev={55340232221128654849:0}, dev_get_drvdata((struct device const *)(& dev->dev))={-18446744073709551615:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10611] tmp = dev_get_drvdata((struct device const *)(& dev->dev)) [L10612] be = (struct backend_info *)tmp VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={73786976294838206719:0}, __this_module={255:-254}, be={-18446744073709551615:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, dev={55340232221128654849:0}, dev={55340232221128654849:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709551615:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10613] CALL set_backend_state(be, 6) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10988] EXPR be->state VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(state)=6, __this_module={255:-254}, be={-18446744073709551615:0}, be={-18446744073709551615:0}, be->state=-4294967290, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, state=6, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10988] COND FALSE !((unsigned int )be->state != (unsigned int )state) [L10613] RET set_backend_state(be, 6) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={73786976294838206719:0}, __this_module={255:-254}, be={-18446744073709551615:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, dev={55340232221128654849:0}, dev={55340232221128654849:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709551615:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10614] CALL unregister_hotplug_status_watch(be) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, be={-18446744073709551615:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11228] EXPR (unsigned char *)be + 56UL VAL [(unsigned char *)be + 56UL=0, \old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, be={-18446744073709551615:0}, be={-18446744073709551615:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11228] COND FALSE !((unsigned int )*((unsigned char *)be + 56UL) != 0U) [L11233] be->have_hotplug_status_watch = 0U VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, be={-18446744073709551615:0}, be={-18446744073709551615:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10614] RET unregister_hotplug_status_watch(be) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={73786976294838206719:0}, __this_module={255:-254}, be={-18446744073709551615:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, dev={55340232221128654849:0}, dev={55340232221128654849:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709551615:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10615] EXPR be->vif VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={73786976294838206719:0}, __this_module={255:-254}, be={-18446744073709551615:0}, be->vif={18446744073709551368:249}, cpu_online_mask={73786976294838206728:73786976294838206732}, dev={55340232221128654849:0}, dev={55340232221128654849:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709551615:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10615] COND TRUE (unsigned long )be->vif != (unsigned long )((struct xenvif *)0) [L10616] CALL kobject_uevent(& dev->dev.kobj, 5) VAL [\old(arg1)=5, \old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, arg0={55340232221128654849:76}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13496] return __VERIFIER_nondet_int(); [L10616] RET kobject_uevent(& dev->dev.kobj, 5) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={73786976294838206719:0}, __this_module={255:-254}, be={-18446744073709551615:0}, cpu_online_mask={73786976294838206728:73786976294838206732}, dev={55340232221128654849:0}, dev={55340232221128654849:0}, fatal_skb_slots=20, kobject_uevent(& dev->dev.kobj, 5)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709551615:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10617] EXPR be->vif VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={73786976294838206719:0}, __this_module={255:-254}, be={-18446744073709551615:0}, be->vif={18446744073709551368:249}, cpu_online_mask={73786976294838206728:73786976294838206732}, dev={55340232221128654849:0}, dev={55340232221128654849:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709551615:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10617] CALL xen_unregister_watchers(be->vif) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={18446744073709551368:249}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11216] EXPR vif->credit_watch.node VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={18446744073709551368:249}, vif={18446744073709551368:249}, vif->credit_watch.node={246:18446744073709551370}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11216] COND FALSE !((unsigned long )vif->credit_watch.node != (unsigned long )((char const *)0)) [L10617] RET xen_unregister_watchers(be->vif) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={73786976294838206719:0}, __this_module={255:-254}, be={-18446744073709551615:0}, be->vif={18446744073709551368:249}, cpu_online_mask={73786976294838206728:73786976294838206732}, dev={55340232221128654849:0}, dev={55340232221128654849:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709551615:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10618] __constr_expr_0.id = 0U [L10619] EXPR dev->nodename [L10619] CALL xenbus_rm(__constr_expr_0, dev->nodename, "hotplug-status") [L13694] return __VERIFIER_nondet_int(); [L10619] RET xenbus_rm(__constr_expr_0, dev->nodename, "hotplug-status") [L10620] EXPR be->vif [L10620] CALL xenvif_free(be->vif) [L12828] struct xenvif_queue *queue ; [L12829] unsigned int num_queues ; [L12830] unsigned int queue_index ; [L12832] queue = (struct xenvif_queue *)0 [L12833] EXPR vif->num_queues [L12833] num_queues = vif->num_queues [L12834] EXPR vif->dev [L12834] CALL ldv_unregister_netdev_22(vif->dev) [L13184] FCALL unregister_netdev(dev) [L13185] ldv_state_variable_2 = 0 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, dev={73786976294838206730:73786976294838206748}, dev={73786976294838206730:73786976294838206748}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12834] RET ldv_unregister_netdev_22(vif->dev) [L12835] queue_index = 0U VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, num_queues=0, queue={0:0}, queue_index=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={18446744073709551368:249}, vif={18446744073709551368:249}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12842] COND FALSE !(queue_index < num_queues) [L12846] EXPR vif->queues VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, num_queues=0, queue={0:0}, queue_index=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={18446744073709551368:249}, vif={18446744073709551368:249}, vif->queues={73786976294838206746:73786976294838206735}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12846] FCALL vfree((void const *)vif->queues) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, num_queues=0, queue={0:0}, queue_index=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={18446744073709551368:249}, vif={18446744073709551368:249}, vif->queues={73786976294838206746:73786976294838206735}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12847] vif->queues = (struct xenvif_queue *)0 [L12848] vif->num_queues = 0U [L12849] EXPR vif->dev [L12849] CALL ldv_free_netdev_23(vif->dev) [L13192] FCALL free_netdev(dev) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, dev={73786976294838206730:73786976294838206748}, dev={73786976294838206730:73786976294838206748}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13193] ldv_state_variable_2 = 0 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, dev={73786976294838206730:73786976294838206748}, dev={73786976294838206730:73786976294838206748}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12849] RET ldv_free_netdev_23(vif->dev) [L12850] CALL ldv_module_put_24(& __this_module) [L13200] CALL ldv_module_put(ldv_func_arg1) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, module={255:-254}, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13279] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, module={255:-254}, module={255:-254}, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13280] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, module={255:-254}, module={255:-254}, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13281] CALL ldv_error() VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13209] reach_error() VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={73786976294838206728:73786976294838206732}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={244:0}, netback_driver_group0={55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=73786976294838206725, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={241:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551618:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=245, xenvif_netdev_ops={239:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 88 procedures, 1307 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 317.0s, OverallIterations: 14, TraceHistogramMax: 8, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.2s, AutomataDifference: 224.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 18 mSolverCounterUnknown, 27345 SdHoareTripleChecker+Valid, 210.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25992 mSDsluCounter, 123075 SdHoareTripleChecker+Invalid, 196.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 103219 mSDsCounter, 14029 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62211 IncrementalHoareTripleChecker+Invalid, 76258 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14029 mSolverCounterUnsat, 19856 mSDtfsCounter, 62211 mSolverCounterSat, 1.2s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2848 GetRequests, 2605 SyntacticMatches, 4 SemanticMatches, 239 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1055 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6597occurred in iteration=13, InterpolantAutomatonStates: 159, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 14878 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 51.3s SatisfiabilityAnalysisTime, 23.8s InterpolantComputationTime, 4115 NumberOfCodeBlocks, 4115 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 4639 ConstructedInterpolants, 0 QuantifiedInterpolants, 7567 SizeOfPredicates, 11 NumberOfNonLiveVariables, 16290 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 20 InterpolantComputations, 10 PerfectInterpolantSequences, 4600/4631 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-18 18:44:25,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/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_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/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 f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 --- 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 18:44:28,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:44:28,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:44:28,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:44:28,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:44:28,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:44:28,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:44:28,147 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:44:28,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:44:28,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:44:28,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:44:28,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:44:28,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:44:28,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:44:28,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:44:28,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:44:28,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:44:28,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:44:28,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:44:28,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:44:28,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:44:28,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:44:28,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:44:28,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:44:28,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:44:28,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:44:28,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:44:28,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:44:28,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:44:28,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:44:28,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:44:28,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:44:28,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:44:28,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:44:28,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:44:28,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:44:28,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:44:28,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:44:28,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:44:28,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:44:28,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:44:28,193 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-18 18:44:28,221 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:44:28,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:44:28,225 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:44:28,226 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:44:28,227 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:44:28,228 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:44:28,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:44:28,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:44:28,231 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:44:28,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:44:28,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:44:28,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:44:28,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:44:28,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:44:28,233 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 18:44:28,234 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 18:44:28,234 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 18:44:28,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:44:28,234 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:44:28,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:44:28,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:44:28,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:44:28,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:44:28,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:44:28,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:44:28,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:44:28,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:44:28,237 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 18:44:28,237 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 18:44:28,238 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:44:28,238 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:44:28,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:44:28,238 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 18:44:28,239 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 [2022-11-18 18:44:28,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:44:28,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:44:28,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:44:28,772 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:44:28,776 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:44:28,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2022-11-18 18:44:28,853 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/data/97c4b5201/2e3cc55f8daa47638ce9b650b7806af6/FLAGc7e018590 [2022-11-18 18:44:30,128 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:44:30,129 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2022-11-18 18:44:30,221 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/data/97c4b5201/2e3cc55f8daa47638ce9b650b7806af6/FLAGc7e018590 [2022-11-18 18:44:30,315 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/data/97c4b5201/2e3cc55f8daa47638ce9b650b7806af6 [2022-11-18 18:44:30,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:44:30,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:44:30,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:44:30,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:44:30,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:44:30,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:44:30" (1/1) ... [2022-11-18 18:44:30,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30cd1651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:44:30, skipping insertion in model container [2022-11-18 18:44:30,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:44:30" (1/1) ... [2022-11-18 18:44:30,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:44:30,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:44:34,524 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_1df87487-39b5-4c51-9ea4-24525e05e4fe/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2022-11-18 18:44:34,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:44:34,658 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-18 18:44:34,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:44:35,299 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_1df87487-39b5-4c51-9ea4-24525e05e4fe/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2022-11-18 18:44:35,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:44:35,355 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:44:36,291 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_1df87487-39b5-4c51-9ea4-24525e05e4fe/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2022-11-18 18:44:36,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:44:36,550 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:44:36,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:44:36 WrapperNode [2022-11-18 18:44:36,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:44:36,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:44:36,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:44:36,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:44:36,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:44:36" (1/1) ... [2022-11-18 18:44:36,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:44:36" (1/1) ... [2022-11-18 18:44:36,853 INFO L138 Inliner]: procedures = 440, calls = 3487, calls flagged for inlining = 207, calls inlined = 116, statements flattened = 4375 [2022-11-18 18:44:36,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:44:36,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:44:36,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:44:36,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:44:36,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:44:36" (1/1) ... [2022-11-18 18:44:36,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:44:36" (1/1) ... [2022-11-18 18:44:36,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:44:36" (1/1) ... [2022-11-18 18:44:36,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:44:36" (1/1) ... [2022-11-18 18:44:37,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:44:36" (1/1) ... [2022-11-18 18:44:37,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:44:36" (1/1) ... [2022-11-18 18:44:37,132 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:44:36" (1/1) ... [2022-11-18 18:44:37,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:44:36" (1/1) ... [2022-11-18 18:44:37,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:44:37,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:44:37,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:44:37,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:44:37,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:44:36" (1/1) ... [2022-11-18 18:44:37,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:44:37,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:44:37,245 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:44:37,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:44:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-18 18:44:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-18 18:44:37,301 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-18 18:44:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure backend_switch_state [2022-11-18 18:44:37,302 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_switch_state [2022-11-18 18:44:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-18 18:44:37,302 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-18 18:44:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 18:44:37,303 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 18:44:37,303 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hotplug_status_watch [2022-11-18 18:44:37,303 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hotplug_status_watch [2022-11-18 18:44:37,303 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-18 18:44:37,303 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-18 18:44:37,304 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_unmap_frontend_rings [2022-11-18 18:44:37,304 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_unmap_frontend_rings [2022-11-18 18:44:37,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 18:44:37,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 18:44:37,304 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_xenbus_watch [2022-11-18 18:44:37,305 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_xenbus_watch [2022-11-18 18:44:37,305 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_kick_thread [2022-11-18 18:44:37,305 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_kick_thread [2022-11-18 18:44:37,305 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-18 18:44:37,305 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-18 18:44:37,306 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_map_ring_valloc [2022-11-18 18:44:37,306 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_map_ring_valloc [2022-11-18 18:44:37,306 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 18:44:37,306 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 18:44:37,306 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_rate [2022-11-18 18:44:37,307 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_rate [2022-11-18 18:44:37,307 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-18 18:44:37,307 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-18 18:44:37,307 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-18 18:44:37,307 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-18 18:44:37,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 18:44:37,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 18:44:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure netback_uevent [2022-11-18 18:44:37,309 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_uevent [2022-11-18 18:44:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 18:44:37,309 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 18:44:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_carrier_off [2022-11-18 18:44:37,310 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_carrier_off [2022-11-18 18:44:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:44:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-18 18:44:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-18 18:44:37,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-18 18:44:37,311 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-18 18:44:37,311 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-18 18:44:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 18:44:37,312 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 18:44:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-18 18:44:37,314 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-18 18:44:37,314 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-18 18:44:37,314 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-18 18:44:37,315 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-18 18:44:37,315 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-18 18:44:37,315 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 18:44:37,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 18:44:37,315 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2022-11-18 18:44:37,316 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2022-11-18 18:44:37,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 18:44:37,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 18:44:37,317 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_deinit_queue [2022-11-18 18:44:37,317 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_deinit_queue [2022-11-18 18:44:37,318 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-11-18 18:44:37,318 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-11-18 18:44:37,318 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_to_xenbus_device [2022-11-18 18:44:37,318 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_to_xenbus_device [2022-11-18 18:44:37,318 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_watchers [2022-11-18 18:44:37,320 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_watchers [2022-11-18 18:44:37,320 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-18 18:44:37,320 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-18 18:44:37,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-18 18:44:37,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-18 18:44:37,321 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_changed [2022-11-18 18:44:37,321 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_changed [2022-11-18 18:44:37,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 18:44:37,321 INFO L130 BoogieDeclarations]: Found specification of procedure set_backend_state [2022-11-18 18:44:37,322 INFO L138 BoogieDeclarations]: Found implementation of procedure set_backend_state [2022-11-18 18:44:37,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:44:37,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 18:44:37,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-18 18:44:37,322 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_write_io_ring [2022-11-18 18:44:37,323 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_write_io_ring [2022-11-18 18:44:37,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-18 18:44:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-11-18 18:44:37,324 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-11-18 18:44:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-11-18 18:44:37,325 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-11-18 18:44:37,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-18 18:44:37,326 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2022-11-18 18:44:37,326 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2022-11-18 18:44:37,327 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-18 18:44:37,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-18 18:44:37,329 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-18 18:44:37,329 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-18 18:44:37,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-18 18:44:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:44:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:44:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-18 18:44:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-18 18:44:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-18 18:44:37,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-18 18:44:37,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-18 18:44:37,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 18:44:37,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-18 18:44:37,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 18:44:37,332 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_disconnect [2022-11-18 18:44:37,332 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_disconnect [2022-11-18 18:44:37,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 18:44:37,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 18:44:37,334 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-18 18:44:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-18 18:44:37,338 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_down [2022-11-18 18:44:37,338 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_down [2022-11-18 18:44:37,338 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-18 18:44:37,338 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-18 18:44:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure bind_interdomain_evtchn_to_irqhandler [2022-11-18 18:44:37,340 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_interdomain_evtchn_to_irqhandler [2022-11-18 18:44:37,343 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2022-11-18 18:44:37,343 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2022-11-18 18:44:37,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-18 18:44:37,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-18 18:44:37,349 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-11-18 18:44:37,350 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-11-18 18:44:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-18 18:44:37,350 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-18 18:44:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fix_features [2022-11-18 18:44:37,350 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fix_features [2022-11-18 18:44:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2022-11-18 18:44:37,351 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2022-11-18 18:44:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 18:44:37,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 18:44:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 18:44:37,352 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 18:44:37,352 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 18:44:37,352 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 18:44:37,352 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-11-18 18:44:37,352 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-11-18 18:44:37,353 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-18 18:44:37,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-18 18:44:37,353 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_up [2022-11-18 18:44:37,353 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_up [2022-11-18 18:44:37,353 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2022-11-18 18:44:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2022-11-18 18:44:37,354 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-18 18:44:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-18 18:44:37,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:44:37,354 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-18 18:44:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-18 18:44:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unmap_ring_vfree [2022-11-18 18:44:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unmap_ring_vfree [2022-11-18 18:44:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 18:44:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_change_mtu [2022-11-18 18:44:37,356 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_change_mtu [2022-11-18 18:44:37,356 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-11-18 18:44:37,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-11-18 18:44:37,356 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2022-11-18 18:44:37,356 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2022-11-18 18:44:37,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-18 18:44:37,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-18 18:44:37,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-18 18:44:37,357 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-18 18:44:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-18 18:44:37,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-18 18:44:37,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 18:44:37,358 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 18:44:37,358 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 18:44:37,359 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-18 18:44:37,359 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-18 18:44:37,359 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-18 18:44:37,359 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-18 18:44:37,359 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2022-11-18 18:44:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2022-11-18 18:44:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-18 18:44:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-18 18:44:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure netback_remove [2022-11-18 18:44:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_remove [2022-11-18 18:44:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-18 18:44:37,361 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-18 18:44:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 18:44:37,361 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 18:44:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-18 18:44:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-18 18:44:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-18 18:44:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-18 18:44:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 18:44:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 18:44:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-11-18 18:44:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-11-18 18:44:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_napi_schedule_or_enable_events [2022-11-18 18:44:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_napi_schedule_or_enable_events [2022-11-18 18:44:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-18 18:44:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-18 18:44:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-18 18:44:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-18 18:44:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-18 18:44:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-18 18:44:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-18 18:44:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-18 18:44:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-18 18:44:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-18 18:44:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-18 18:44:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-18 18:44:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_stats [2022-11-18 18:44:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_stats [2022-11-18 18:44:38,460 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:44:38,468 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:44:39,287 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 18:45:28,077 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:45:28,103 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:45:28,103 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 18:45:28,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:45:28 BoogieIcfgContainer [2022-11-18 18:45:28,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:45:28,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:45:28,111 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:45:28,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:45:28,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:44:30" (1/3) ... [2022-11-18 18:45:28,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a15e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:45:28, skipping insertion in model container [2022-11-18 18:45:28,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:44:36" (2/3) ... [2022-11-18 18:45:28,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a15e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:45:28, skipping insertion in model container [2022-11-18 18:45:28,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:45:28" (3/3) ... [2022-11-18 18:45:28,119 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2022-11-18 18:45:28,143 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:45:28,143 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 18:45:28,243 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:45:28,257 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;@508759dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:45:28,259 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 18:45:28,272 INFO L276 IsEmpty]: Start isEmpty. Operand has 1296 states, 937 states have (on average 1.3180362860192103) internal successors, (1235), 963 states have internal predecessors, (1235), 271 states have call successors, (271), 87 states have call predecessors, (271), 86 states have return successors, (265), 258 states have call predecessors, (265), 265 states have call successors, (265) [2022-11-18 18:45:28,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-18 18:45:28,286 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:45:28,287 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:45:28,288 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:45:28,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:45:28,295 INFO L85 PathProgramCache]: Analyzing trace with hash 660990165, now seen corresponding path program 1 times [2022-11-18 18:45:28,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:45:28,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1104846814] [2022-11-18 18:45:28,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:28,321 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:45:28,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:45:28,339 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:45:28,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-18 18:45:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:29,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 1293 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 18:45:29,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:45:29,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:45:29,948 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:45:29,949 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:45:29,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1104846814] [2022-11-18 18:45:29,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1104846814] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:45:29,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:45:29,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:45:29,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590721] [2022-11-18 18:45:29,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:45:29,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:45:29,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:45:30,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:45:30,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:45:30,011 INFO L87 Difference]: Start difference. First operand has 1296 states, 937 states have (on average 1.3180362860192103) internal successors, (1235), 963 states have internal predecessors, (1235), 271 states have call successors, (271), 87 states have call predecessors, (271), 86 states have return successors, (265), 258 states have call predecessors, (265), 265 states have call successors, (265) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:45:30,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:45:30,490 INFO L93 Difference]: Finished difference Result 3872 states and 5413 transitions. [2022-11-18 18:45:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:45:30,493 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-18 18:45:30,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:45:30,539 INFO L225 Difference]: With dead ends: 3872 [2022-11-18 18:45:30,540 INFO L226 Difference]: Without dead ends: 2531 [2022-11-18 18:45:30,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:45:30,576 INFO L413 NwaCegarLoop]: 2027 mSDtfsCounter, 1744 mSDsluCounter, 1753 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1744 SdHoareTripleChecker+Valid, 3780 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:45:30,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1744 Valid, 3780 Invalid, 10 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:45:30,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2531 states. [2022-11-18 18:45:30,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2531 to 2528. [2022-11-18 18:45:30,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2528 states, 1831 states have (on average 1.3009284543965047) internal successors, (2382), 1865 states have internal predecessors, (2382), 526 states have call successors, (526), 171 states have call predecessors, (526), 170 states have return successors, (524), 510 states have call predecessors, (524), 524 states have call successors, (524) [2022-11-18 18:45:30,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2528 states to 2528 states and 3432 transitions. [2022-11-18 18:45:30,897 INFO L78 Accepts]: Start accepts. Automaton has 2528 states and 3432 transitions. Word has length 19 [2022-11-18 18:45:30,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:45:30,897 INFO L495 AbstractCegarLoop]: Abstraction has 2528 states and 3432 transitions. [2022-11-18 18:45:30,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:45:30,898 INFO L276 IsEmpty]: Start isEmpty. Operand 2528 states and 3432 transitions. [2022-11-18 18:45:30,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-18 18:45:30,923 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:45:30,924 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-18 18:45:30,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-18 18:45:31,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:45:31,140 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:45:31,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:45:31,141 INFO L85 PathProgramCache]: Analyzing trace with hash 708595697, now seen corresponding path program 1 times [2022-11-18 18:45:31,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:45:31,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1494463160] [2022-11-18 18:45:31,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:31,144 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:45:31,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:45:31,146 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:45:31,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-18 18:45:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:32,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 1667 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 18:45:32,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:45:32,929 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-18 18:45:32,929 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:45:32,930 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:45:32,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1494463160] [2022-11-18 18:45:32,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1494463160] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:45:32,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:45:32,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:45:32,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683971888] [2022-11-18 18:45:32,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:45:32,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:45:32,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:45:32,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:45:32,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:45:32,934 INFO L87 Difference]: Start difference. First operand 2528 states and 3432 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 18:45:33,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:45:33,511 INFO L93 Difference]: Finished difference Result 6061 states and 8211 transitions. [2022-11-18 18:45:33,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:45:33,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 106 [2022-11-18 18:45:33,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:45:33,534 INFO L225 Difference]: With dead ends: 6061 [2022-11-18 18:45:33,534 INFO L226 Difference]: Without dead ends: 3536 [2022-11-18 18:45:33,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:45:33,550 INFO L413 NwaCegarLoop]: 1834 mSDtfsCounter, 682 mSDsluCounter, 1704 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 3538 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 18:45:33,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [682 Valid, 3538 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 18:45:33,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3536 states. [2022-11-18 18:45:33,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3536 to 3524. [2022-11-18 18:45:33,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3524 states, 2574 states have (on average 1.3080808080808082) internal successors, (3367), 2619 states have internal predecessors, (3367), 702 states have call successors, (702), 248 states have call predecessors, (702), 247 states have return successors, (700), 683 states have call predecessors, (700), 700 states have call successors, (700) [2022-11-18 18:45:33,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3524 states to 3524 states and 4769 transitions. [2022-11-18 18:45:33,821 INFO L78 Accepts]: Start accepts. Automaton has 3524 states and 4769 transitions. Word has length 106 [2022-11-18 18:45:33,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:45:33,822 INFO L495 AbstractCegarLoop]: Abstraction has 3524 states and 4769 transitions. [2022-11-18 18:45:33,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 18:45:33,822 INFO L276 IsEmpty]: Start isEmpty. Operand 3524 states and 4769 transitions. [2022-11-18 18:45:33,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-18 18:45:33,838 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:45:33,839 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-11-18 18:45:33,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-18 18:45:34,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:45:34,064 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:45:34,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:45:34,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1546599431, now seen corresponding path program 1 times [2022-11-18 18:45:34,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:45:34,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [860946732] [2022-11-18 18:45:34,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:34,069 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:45:34,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:45:34,079 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:45:34,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-18 18:45:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:35,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 1880 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 18:45:35,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:45:35,680 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-18 18:45:35,680 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:45:35,681 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:45:35,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [860946732] [2022-11-18 18:45:35,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [860946732] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:45:35,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:45:35,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 18:45:35,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180014479] [2022-11-18 18:45:35,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:45:35,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:45:35,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:45:35,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:45:35,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:45:35,684 INFO L87 Difference]: Start difference. First operand 3524 states and 4769 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-18 18:45:36,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:37,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:45:37,207 INFO L93 Difference]: Finished difference Result 7062 states and 9557 transitions. [2022-11-18 18:45:37,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:45:37,212 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 185 [2022-11-18 18:45:37,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:45:37,235 INFO L225 Difference]: With dead ends: 7062 [2022-11-18 18:45:37,235 INFO L226 Difference]: Without dead ends: 3535 [2022-11-18 18:45:37,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:45:37,258 INFO L413 NwaCegarLoop]: 1726 mSDtfsCounter, 10 mSDsluCounter, 3446 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 5172 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-18 18:45:37,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 5172 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-18 18:45:37,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3535 states. [2022-11-18 18:45:37,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3535 to 3527. [2022-11-18 18:45:37,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3527 states, 2577 states have (on average 1.3069460613116026) internal successors, (3368), 2622 states have internal predecessors, (3368), 702 states have call successors, (702), 248 states have call predecessors, (702), 247 states have return successors, (700), 683 states have call predecessors, (700), 700 states have call successors, (700) [2022-11-18 18:45:37,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3527 states to 3527 states and 4770 transitions. [2022-11-18 18:45:37,445 INFO L78 Accepts]: Start accepts. Automaton has 3527 states and 4770 transitions. Word has length 185 [2022-11-18 18:45:37,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:45:37,449 INFO L495 AbstractCegarLoop]: Abstraction has 3527 states and 4770 transitions. [2022-11-18 18:45:37,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-18 18:45:37,449 INFO L276 IsEmpty]: Start isEmpty. Operand 3527 states and 4770 transitions. [2022-11-18 18:45:37,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-11-18 18:45:37,457 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:45:37,457 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:45:37,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-18 18:45:37,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:45:37,675 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:45:37,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:45:37,676 INFO L85 PathProgramCache]: Analyzing trace with hash -2133333895, now seen corresponding path program 1 times [2022-11-18 18:45:37,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:45:37,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [355919366] [2022-11-18 18:45:37,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:37,678 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:45:37,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:45:37,680 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:45:37,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-18 18:45:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:39,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 1919 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 18:45:39,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:45:39,399 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-18 18:45:39,403 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:45:39,404 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:45:39,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [355919366] [2022-11-18 18:45:39,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [355919366] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:45:39,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:45:39,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:45:39,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694709322] [2022-11-18 18:45:39,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:45:39,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:45:39,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:45:39,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:45:39,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:45:39,408 INFO L87 Difference]: Start difference. First operand 3527 states and 4770 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-18 18:45:39,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:45:39,741 INFO L93 Difference]: Finished difference Result 7051 states and 9537 transitions. [2022-11-18 18:45:39,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:45:39,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 194 [2022-11-18 18:45:39,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:45:39,767 INFO L225 Difference]: With dead ends: 7051 [2022-11-18 18:45:39,767 INFO L226 Difference]: Without dead ends: 3527 [2022-11-18 18:45:39,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:45:39,788 INFO L413 NwaCegarLoop]: 1726 mSDtfsCounter, 1712 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1712 SdHoareTripleChecker+Valid, 1726 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:45:39,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1712 Valid, 1726 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:45:39,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3527 states. [2022-11-18 18:45:40,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3527 to 3527. [2022-11-18 18:45:40,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3527 states, 2577 states have (on average 1.3053938688397362) internal successors, (3364), 2622 states have internal predecessors, (3364), 702 states have call successors, (702), 248 states have call predecessors, (702), 247 states have return successors, (700), 683 states have call predecessors, (700), 700 states have call successors, (700) [2022-11-18 18:45:40,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3527 states to 3527 states and 4766 transitions. [2022-11-18 18:45:40,130 INFO L78 Accepts]: Start accepts. Automaton has 3527 states and 4766 transitions. Word has length 194 [2022-11-18 18:45:40,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:45:40,131 INFO L495 AbstractCegarLoop]: Abstraction has 3527 states and 4766 transitions. [2022-11-18 18:45:40,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-18 18:45:40,132 INFO L276 IsEmpty]: Start isEmpty. Operand 3527 states and 4766 transitions. [2022-11-18 18:45:40,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-11-18 18:45:40,142 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:45:40,143 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:45:40,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-18 18:45:40,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:45:40,368 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:45:40,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:45:40,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1345586171, now seen corresponding path program 1 times [2022-11-18 18:45:40,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:45:40,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1513967176] [2022-11-18 18:45:40,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:40,371 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:45:40,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:45:40,373 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:45:40,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-18 18:45:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:42,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 1918 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 18:45:42,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:45:42,948 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-11-18 18:45:42,948 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:45:42,948 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:45:42,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1513967176] [2022-11-18 18:45:42,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1513967176] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:45:42,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:45:42,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:45:42,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284730411] [2022-11-18 18:45:42,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:45:42,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:45:42,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:45:42,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:45:42,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:45:42,952 INFO L87 Difference]: Start difference. First operand 3527 states and 4766 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-18 18:45:44,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:44,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:45:44,804 INFO L93 Difference]: Finished difference Result 7076 states and 9560 transitions. [2022-11-18 18:45:44,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:45:44,805 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 194 [2022-11-18 18:45:44,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:45:44,830 INFO L225 Difference]: With dead ends: 7076 [2022-11-18 18:45:44,831 INFO L226 Difference]: Without dead ends: 3542 [2022-11-18 18:45:44,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:45:44,848 INFO L413 NwaCegarLoop]: 1727 mSDtfsCounter, 22 mSDsluCounter, 5168 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 6895 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-18 18:45:44,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 6895 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-18 18:45:44,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3542 states. [2022-11-18 18:45:45,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3542 to 3522. [2022-11-18 18:45:45,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3522 states, 2572 states have (on average 1.3040435458786936) internal successors, (3354), 2617 states have internal predecessors, (3354), 702 states have call successors, (702), 248 states have call predecessors, (702), 247 states have return successors, (700), 683 states have call predecessors, (700), 700 states have call successors, (700) [2022-11-18 18:45:45,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3522 states to 3522 states and 4756 transitions. [2022-11-18 18:45:45,172 INFO L78 Accepts]: Start accepts. Automaton has 3522 states and 4756 transitions. Word has length 194 [2022-11-18 18:45:45,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:45:45,173 INFO L495 AbstractCegarLoop]: Abstraction has 3522 states and 4756 transitions. [2022-11-18 18:45:45,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-18 18:45:45,175 INFO L276 IsEmpty]: Start isEmpty. Operand 3522 states and 4756 transitions. [2022-11-18 18:45:45,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-11-18 18:45:45,183 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:45:45,183 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:45:45,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-18 18:45:45,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:45:45,400 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:45:45,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:45:45,401 INFO L85 PathProgramCache]: Analyzing trace with hash 948011827, now seen corresponding path program 1 times [2022-11-18 18:45:45,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:45:45,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2074224936] [2022-11-18 18:45:45,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:45,403 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:45:45,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:45:45,405 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:45:45,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-18 18:45:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 1969 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 18:45:46,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:45:47,092 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-18 18:45:47,092 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:45:47,093 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:45:47,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2074224936] [2022-11-18 18:45:47,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2074224936] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:45:47,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:45:47,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 18:45:47,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17693743] [2022-11-18 18:45:47,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:45:47,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 18:45:47,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:45:47,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 18:45:47,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 18:45:47,096 INFO L87 Difference]: Start difference. First operand 3522 states and 4756 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 6 states have internal predecessors, (106), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 18:45:47,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:45:47,835 INFO L93 Difference]: Finished difference Result 8370 states and 11589 transitions. [2022-11-18 18:45:47,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:45:47,836 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 6 states have internal predecessors, (106), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 214 [2022-11-18 18:45:47,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:45:47,864 INFO L225 Difference]: With dead ends: 8370 [2022-11-18 18:45:47,865 INFO L226 Difference]: Without dead ends: 4851 [2022-11-18 18:45:47,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:45:47,883 INFO L413 NwaCegarLoop]: 2271 mSDtfsCounter, 433 mSDsluCounter, 10874 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 13145 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:45:47,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 13145 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 18:45:47,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4851 states. [2022-11-18 18:45:48,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4851 to 3546. [2022-11-18 18:45:48,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3546 states, 2592 states have (on average 1.3016975308641976) internal successors, (3374), 2637 states have internal predecessors, (3374), 702 states have call successors, (702), 248 states have call predecessors, (702), 251 states have return successors, (716), 687 states have call predecessors, (716), 700 states have call successors, (716) [2022-11-18 18:45:48,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3546 states to 3546 states and 4792 transitions. [2022-11-18 18:45:48,188 INFO L78 Accepts]: Start accepts. Automaton has 3546 states and 4792 transitions. Word has length 214 [2022-11-18 18:45:48,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:45:48,188 INFO L495 AbstractCegarLoop]: Abstraction has 3546 states and 4792 transitions. [2022-11-18 18:45:48,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 6 states have internal predecessors, (106), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 18:45:48,189 INFO L276 IsEmpty]: Start isEmpty. Operand 3546 states and 4792 transitions. [2022-11-18 18:45:48,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-11-18 18:45:48,196 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:45:48,197 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-11-18 18:45:48,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-18 18:45:48,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:45:48,412 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:45:48,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:45:48,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1200232594, now seen corresponding path program 1 times [2022-11-18 18:45:48,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:45:48,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2132966096] [2022-11-18 18:45:48,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:48,415 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:45:48,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:45:48,417 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:45:48,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-18 18:45:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:49,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 1985 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 18:45:49,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:45:50,059 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-11-18 18:45:50,060 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:45:50,060 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:45:50,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2132966096] [2022-11-18 18:45:50,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2132966096] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:45:50,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:45:50,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:45:50,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416953219] [2022-11-18 18:45:50,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:45:50,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:45:50,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:45:50,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:45:50,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:45:50,065 INFO L87 Difference]: Start difference. First operand 3546 states and 4792 transitions. Second operand has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-18 18:45:51,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:45:51,038 INFO L93 Difference]: Finished difference Result 7113 states and 9641 transitions. [2022-11-18 18:45:51,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:45:51,039 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 220 [2022-11-18 18:45:51,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:45:51,062 INFO L225 Difference]: With dead ends: 7113 [2022-11-18 18:45:51,062 INFO L226 Difference]: Without dead ends: 3550 [2022-11-18 18:45:51,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:45:51,078 INFO L413 NwaCegarLoop]: 1715 mSDtfsCounter, 6 mSDsluCounter, 6832 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 8547 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:45:51,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 8547 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-18 18:45:51,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3550 states. [2022-11-18 18:45:51,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3550 to 3550. [2022-11-18 18:45:51,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3550 states, 2596 states have (on average 1.3012326656394453) internal successors, (3378), 2641 states have internal predecessors, (3378), 702 states have call successors, (702), 248 states have call predecessors, (702), 251 states have return successors, (716), 687 states have call predecessors, (716), 700 states have call successors, (716) [2022-11-18 18:45:51,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3550 states to 3550 states and 4796 transitions. [2022-11-18 18:45:51,332 INFO L78 Accepts]: Start accepts. Automaton has 3550 states and 4796 transitions. Word has length 220 [2022-11-18 18:45:51,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:45:51,333 INFO L495 AbstractCegarLoop]: Abstraction has 3550 states and 4796 transitions. [2022-11-18 18:45:51,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-18 18:45:51,333 INFO L276 IsEmpty]: Start isEmpty. Operand 3550 states and 4796 transitions. [2022-11-18 18:45:51,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-11-18 18:45:51,341 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:45:51,341 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-11-18 18:45:51,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-18 18:45:51,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:45:51,556 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:45:51,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:45:51,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1962745507, now seen corresponding path program 1 times [2022-11-18 18:45:51,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:45:51,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1038604821] [2022-11-18 18:45:51,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:51,559 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:45:51,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:45:51,560 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:45:51,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-18 18:45:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:53,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 1996 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 18:45:53,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:45:53,325 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-11-18 18:45:53,326 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:45:54,411 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-11-18 18:45:54,412 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:45:54,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1038604821] [2022-11-18 18:45:54,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1038604821] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:45:54,412 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:45:54,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-11-18 18:45:54,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946055893] [2022-11-18 18:45:54,413 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:45:54,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 18:45:54,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:45:54,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 18:45:54,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:45:54,415 INFO L87 Difference]: Start difference. First operand 3550 states and 4796 transitions. Second operand has 11 states, 9 states have (on average 15.0) internal successors, (135), 11 states have internal predecessors, (135), 4 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-11-18 18:45:55,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:45:55,842 INFO L93 Difference]: Finished difference Result 7141 states and 9673 transitions. [2022-11-18 18:45:55,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 18:45:55,843 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 15.0) internal successors, (135), 11 states have internal predecessors, (135), 4 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 221 [2022-11-18 18:45:55,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:45:55,876 INFO L225 Difference]: With dead ends: 7141 [2022-11-18 18:45:55,883 INFO L226 Difference]: Without dead ends: 3574 [2022-11-18 18:45:55,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-11-18 18:45:55,896 INFO L413 NwaCegarLoop]: 1716 mSDtfsCounter, 14 mSDsluCounter, 10260 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 11976 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:45:55,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 11976 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 18:45:55,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3574 states. [2022-11-18 18:45:56,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3574 to 3574. [2022-11-18 18:45:56,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3574 states, 2612 states have (on average 1.2993874425727412) internal successors, (3394), 2657 states have internal predecessors, (3394), 706 states have call successors, (706), 252 states have call predecessors, (706), 255 states have return successors, (720), 691 states have call predecessors, (720), 704 states have call successors, (720) [2022-11-18 18:45:56,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3574 states to 3574 states and 4820 transitions. [2022-11-18 18:45:56,184 INFO L78 Accepts]: Start accepts. Automaton has 3574 states and 4820 transitions. Word has length 221 [2022-11-18 18:45:56,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:45:56,184 INFO L495 AbstractCegarLoop]: Abstraction has 3574 states and 4820 transitions. [2022-11-18 18:45:56,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 15.0) internal successors, (135), 11 states have internal predecessors, (135), 4 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-11-18 18:45:56,185 INFO L276 IsEmpty]: Start isEmpty. Operand 3574 states and 4820 transitions. [2022-11-18 18:45:56,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-11-18 18:45:56,193 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:45:56,193 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-11-18 18:45:56,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-18 18:45:56,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:45:56,408 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:45:56,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:45:56,408 INFO L85 PathProgramCache]: Analyzing trace with hash -169157966, now seen corresponding path program 2 times [2022-11-18 18:45:56,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:45:56,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1232571012] [2022-11-18 18:45:56,410 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 18:45:56,410 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:45:56,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:45:56,411 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:45:56,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-18 18:46:15,990 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 18:46:15,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 18:46:16,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 2007 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 18:46:16,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:46:16,725 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-18 18:46:16,726 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:46:16,726 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:46:16,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1232571012] [2022-11-18 18:46:16,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1232571012] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:16,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:16,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:46:16,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709052676] [2022-11-18 18:46:16,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:16,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:46:16,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:46:16,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:46:16,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:46:16,729 INFO L87 Difference]: Start difference. First operand 3574 states and 4820 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-18 18:46:17,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:18,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:46:18,351 INFO L93 Difference]: Finished difference Result 9456 states and 12741 transitions. [2022-11-18 18:46:18,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:46:18,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 222 [2022-11-18 18:46:18,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:46:18,379 INFO L225 Difference]: With dead ends: 9456 [2022-11-18 18:46:18,380 INFO L226 Difference]: Without dead ends: 5885 [2022-11-18 18:46:18,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:46:18,393 INFO L413 NwaCegarLoop]: 2594 mSDtfsCounter, 1662 mSDsluCounter, 1537 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1662 SdHoareTripleChecker+Valid, 4131 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-18 18:46:18,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1662 Valid, 4131 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-18 18:46:18,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5885 states. [2022-11-18 18:46:18,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5885 to 5867. [2022-11-18 18:46:18,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5867 states, 4277 states have (on average 1.2948328267477203) internal successors, (5538), 4357 states have internal predecessors, (5538), 1164 states have call successors, (1164), 420 states have call predecessors, (1164), 425 states have return successors, (1191), 1134 states have call predecessors, (1191), 1162 states have call successors, (1191) [2022-11-18 18:46:18,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5867 states to 5867 states and 7893 transitions. [2022-11-18 18:46:18,947 INFO L78 Accepts]: Start accepts. Automaton has 5867 states and 7893 transitions. Word has length 222 [2022-11-18 18:46:18,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:46:18,948 INFO L495 AbstractCegarLoop]: Abstraction has 5867 states and 7893 transitions. [2022-11-18 18:46:18,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-18 18:46:18,949 INFO L276 IsEmpty]: Start isEmpty. Operand 5867 states and 7893 transitions. [2022-11-18 18:46:18,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-18 18:46:18,963 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:46:18,963 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-11-18 18:46:19,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-18 18:46:19,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:46:19,188 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:46:19,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:19,188 INFO L85 PathProgramCache]: Analyzing trace with hash -562988056, now seen corresponding path program 1 times [2022-11-18 18:46:19,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:46:19,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [860865290] [2022-11-18 18:46:19,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:19,192 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:46:19,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:46:19,193 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:46:19,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-18 18:46:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:21,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 2228 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 18:46:21,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:46:21,417 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-11-18 18:46:21,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:46:22,843 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-11-18 18:46:22,843 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:46:22,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [860865290] [2022-11-18 18:46:22,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [860865290] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:46:22,844 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:46:22,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-11-18 18:46:22,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609537198] [2022-11-18 18:46:22,845 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:46:22,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 18:46:22,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:46:22,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 18:46:22,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-18 18:46:22,847 INFO L87 Difference]: Start difference. First operand 5867 states and 7893 transitions. Second operand has 13 states, 11 states have (on average 15.363636363636363) internal successors, (169), 13 states have internal predecessors, (169), 4 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2022-11-18 18:46:24,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:46:24,411 INFO L93 Difference]: Finished difference Result 11785 states and 15891 transitions. [2022-11-18 18:46:24,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 18:46:24,412 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 15.363636363636363) internal successors, (169), 13 states have internal predecessors, (169), 4 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 253 [2022-11-18 18:46:24,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:46:24,438 INFO L225 Difference]: With dead ends: 11785 [2022-11-18 18:46:24,438 INFO L226 Difference]: Without dead ends: 5873 [2022-11-18 18:46:24,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 493 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-11-18 18:46:24,460 INFO L413 NwaCegarLoop]: 1714 mSDtfsCounter, 9 mSDsluCounter, 11958 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 13672 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:46:24,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 13672 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 18:46:24,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5873 states. [2022-11-18 18:46:24,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5873 to 5873. [2022-11-18 18:46:24,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5873 states, 4283 states have (on average 1.294419799206164) internal successors, (5544), 4363 states have internal predecessors, (5544), 1164 states have call successors, (1164), 420 states have call predecessors, (1164), 425 states have return successors, (1191), 1134 states have call predecessors, (1191), 1162 states have call successors, (1191) [2022-11-18 18:46:24,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5873 states to 5873 states and 7899 transitions. [2022-11-18 18:46:24,962 INFO L78 Accepts]: Start accepts. Automaton has 5873 states and 7899 transitions. Word has length 253 [2022-11-18 18:46:24,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:46:24,963 INFO L495 AbstractCegarLoop]: Abstraction has 5873 states and 7899 transitions. [2022-11-18 18:46:24,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 15.363636363636363) internal successors, (169), 13 states have internal predecessors, (169), 4 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2022-11-18 18:46:24,964 INFO L276 IsEmpty]: Start isEmpty. Operand 5873 states and 7899 transitions. [2022-11-18 18:46:24,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-11-18 18:46:24,975 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:46:24,976 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2022-11-18 18:46:25,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-18 18:46:25,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:46:25,192 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:46:25,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:25,192 INFO L85 PathProgramCache]: Analyzing trace with hash 957561847, now seen corresponding path program 2 times [2022-11-18 18:46:25,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:46:25,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1372665468] [2022-11-18 18:46:25,195 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 18:46:25,195 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:46:25,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:46:25,196 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:46:25,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-18 18:46:26,501 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 18:46:26,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 18:46:26,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 1841 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-18 18:46:26,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:46:27,332 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-11-18 18:46:27,332 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:46:27,332 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:46:27,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1372665468] [2022-11-18 18:46:27,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1372665468] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:27,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:27,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-18 18:46:27,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556012923] [2022-11-18 18:46:27,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:27,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 18:46:27,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:46:27,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 18:46:27,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:46:27,336 INFO L87 Difference]: Start difference. First operand 5873 states and 7899 transitions. Second operand has 10 states, 10 states have (on average 13.0) internal successors, (130), 7 states have internal predecessors, (130), 2 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (26), 5 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-18 18:46:28,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:46:28,297 INFO L93 Difference]: Finished difference Result 13548 states and 18600 transitions. [2022-11-18 18:46:28,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 18:46:28,298 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.0) internal successors, (130), 7 states have internal predecessors, (130), 2 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (26), 5 states have call predecessors, (26), 2 states have call successors, (26) Word has length 254 [2022-11-18 18:46:28,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:46:28,337 INFO L225 Difference]: With dead ends: 13548 [2022-11-18 18:46:28,338 INFO L226 Difference]: Without dead ends: 7678 [2022-11-18 18:46:28,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:46:28,361 INFO L413 NwaCegarLoop]: 2201 mSDtfsCounter, 351 mSDsluCounter, 17176 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 19377 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 18:46:28,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 19377 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 18:46:28,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7678 states. [2022-11-18 18:46:28,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7678 to 5895. [2022-11-18 18:46:28,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5895 states, 4299 states have (on average 1.2933240288439172) internal successors, (5560), 4379 states have internal predecessors, (5560), 1164 states have call successors, (1164), 420 states have call predecessors, (1164), 431 states have return successors, (1215), 1140 states have call predecessors, (1215), 1162 states have call successors, (1215) [2022-11-18 18:46:28,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5895 states to 5895 states and 7939 transitions. [2022-11-18 18:46:28,960 INFO L78 Accepts]: Start accepts. Automaton has 5895 states and 7939 transitions. Word has length 254 [2022-11-18 18:46:28,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:46:28,961 INFO L495 AbstractCegarLoop]: Abstraction has 5895 states and 7939 transitions. [2022-11-18 18:46:28,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.0) internal successors, (130), 7 states have internal predecessors, (130), 2 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (26), 5 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-18 18:46:28,961 INFO L276 IsEmpty]: Start isEmpty. Operand 5895 states and 7939 transitions. [2022-11-18 18:46:28,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-11-18 18:46:28,970 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:46:28,971 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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 18:46:29,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-18 18:46:29,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:46:29,196 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:46:29,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:29,196 INFO L85 PathProgramCache]: Analyzing trace with hash -623151563, now seen corresponding path program 1 times [2022-11-18 18:46:29,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:46:29,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [409673272] [2022-11-18 18:46:29,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:29,198 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:46:29,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:46:29,199 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:46:29,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-18 18:46:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:30,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 2282 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 18:46:30,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:46:31,251 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 52 proven. 6 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-11-18 18:46:31,252 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:46:33,120 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-11-18 18:46:33,120 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:46:33,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [409673272] [2022-11-18 18:46:33,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [409673272] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:46:33,121 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:46:33,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-11-18 18:46:33,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614019684] [2022-11-18 18:46:33,122 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:46:33,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-18 18:46:33,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:46:33,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-18 18:46:33,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-11-18 18:46:33,124 INFO L87 Difference]: Start difference. First operand 5895 states and 7939 transitions. Second operand has 15 states, 13 states have (on average 14.384615384615385) internal successors, (187), 15 states have internal predecessors, (187), 4 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2022-11-18 18:46:35,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:46:35,262 INFO L93 Difference]: Finished difference Result 11841 states and 15983 transitions. [2022-11-18 18:46:35,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 18:46:35,263 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 14.384615384615385) internal successors, (187), 15 states have internal predecessors, (187), 4 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) Word has length 274 [2022-11-18 18:46:35,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:46:35,289 INFO L225 Difference]: With dead ends: 11841 [2022-11-18 18:46:35,290 INFO L226 Difference]: Without dead ends: 5901 [2022-11-18 18:46:35,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 533 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2022-11-18 18:46:35,383 INFO L413 NwaCegarLoop]: 1716 mSDtfsCounter, 12 mSDsluCounter, 18801 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 20517 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:46:35,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 20517 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-18 18:46:35,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5901 states. [2022-11-18 18:46:35,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5901 to 5901. [2022-11-18 18:46:35,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5901 states, 4305 states have (on average 1.2929152148664345) internal successors, (5566), 4385 states have internal predecessors, (5566), 1164 states have call successors, (1164), 420 states have call predecessors, (1164), 431 states have return successors, (1215), 1140 states have call predecessors, (1215), 1162 states have call successors, (1215) [2022-11-18 18:46:35,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5901 states to 5901 states and 7945 transitions. [2022-11-18 18:46:35,801 INFO L78 Accepts]: Start accepts. Automaton has 5901 states and 7945 transitions. Word has length 274 [2022-11-18 18:46:35,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:46:35,802 INFO L495 AbstractCegarLoop]: Abstraction has 5901 states and 7945 transitions. [2022-11-18 18:46:35,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 14.384615384615385) internal successors, (187), 15 states have internal predecessors, (187), 4 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2022-11-18 18:46:35,803 INFO L276 IsEmpty]: Start isEmpty. Operand 5901 states and 7945 transitions. [2022-11-18 18:46:35,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-11-18 18:46:35,812 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:46:35,812 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 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 18:46:35,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-11-18 18:46:36,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:46:36,040 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:46:36,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:36,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1286055302, now seen corresponding path program 2 times [2022-11-18 18:46:36,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:46:36,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2098069224] [2022-11-18 18:46:36,043 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 18:46:36,043 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:46:36,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:46:36,044 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:46:36,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-18 18:46:37,272 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 18:46:37,272 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 18:46:37,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 1690 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 18:46:37,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:46:37,563 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2022-11-18 18:46:37,564 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:46:37,564 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:46:37,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2098069224] [2022-11-18 18:46:37,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2098069224] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:37,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:37,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:46:37,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731650029] [2022-11-18 18:46:37,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:37,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:46:37,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:46:37,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:46:37,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:46:37,566 INFO L87 Difference]: Start difference. First operand 5901 states and 7945 transitions. Second operand has 6 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-18 18:46:38,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:46:38,775 INFO L93 Difference]: Finished difference Result 13560 states and 18614 transitions. [2022-11-18 18:46:38,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:46:38,776 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 275 [2022-11-18 18:46:38,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:46:38,804 INFO L225 Difference]: With dead ends: 13560 [2022-11-18 18:46:38,805 INFO L226 Difference]: Without dead ends: 7662 [2022-11-18 18:46:38,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-18 18:46:38,823 INFO L413 NwaCegarLoop]: 2206 mSDtfsCounter, 350 mSDsluCounter, 8379 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 10585 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-18 18:46:38,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 10585 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-18 18:46:38,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7662 states. [2022-11-18 18:46:39,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7662 to 5901. [2022-11-18 18:46:39,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5901 states, 4305 states have (on average 1.2924506387921022) internal successors, (5564), 4385 states have internal predecessors, (5564), 1164 states have call successors, (1164), 420 states have call predecessors, (1164), 431 states have return successors, (1215), 1140 states have call predecessors, (1215), 1162 states have call successors, (1215) [2022-11-18 18:46:39,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5901 states to 5901 states and 7943 transitions. [2022-11-18 18:46:39,289 INFO L78 Accepts]: Start accepts. Automaton has 5901 states and 7943 transitions. Word has length 275 [2022-11-18 18:46:39,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:46:39,290 INFO L495 AbstractCegarLoop]: Abstraction has 5901 states and 7943 transitions. [2022-11-18 18:46:39,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-18 18:46:39,290 INFO L276 IsEmpty]: Start isEmpty. Operand 5901 states and 7943 transitions. [2022-11-18 18:46:39,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-11-18 18:46:39,300 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:46:39,301 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 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 18:46:39,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-18 18:46:39,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:46:39,520 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:46:39,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:39,520 INFO L85 PathProgramCache]: Analyzing trace with hash -2132892988, now seen corresponding path program 1 times [2022-11-18 18:46:39,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:46:39,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1881862276] [2022-11-18 18:46:39,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:39,523 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:46:39,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:46:39,527 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:46:39,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1df87487-39b5-4c51-9ea4-24525e05e4fe/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-18 18:49:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 18:49:36,769 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.