./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86b82-a8cb-40c7-998c-2e9909379427/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86b82-a8cb-40c7-998c-2e9909379427/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86b82-a8cb-40c7-998c-2e9909379427/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86b82-a8cb-40c7-998c-2e9909379427/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86b82-a8cb-40c7-998c-2e9909379427/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86b82-a8cb-40c7-998c-2e9909379427/bin/uautomizer-vX5HgA9Q3a --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 5eade98d3572945dc3f3afa13df28f18738479fb416def85e3793aeb4de65612 --- 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-b5237d8 [2022-11-21 17:19:43,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:19:43,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:19:43,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:19:43,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:19:43,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:19:43,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:19:43,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:19:43,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:19:43,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:19:43,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:19:43,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:19:43,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:19:43,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:19:43,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:19:43,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:19:43,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:19:43,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:19:43,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:19:43,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:19:43,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:19:43,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:19:43,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:19:43,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:19:43,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:19:43,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:19:43,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:19:43,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:19:43,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:19:43,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:19:43,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:19:43,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:19:43,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:19:43,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:19:43,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:19:43,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:19:43,939 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:19:43,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:19:43,940 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:19:43,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:19:43,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:19:43,946 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86b82-a8cb-40c7-998c-2e9909379427/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 17:19:43,982 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:19:43,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:19:43,983 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:19:43,984 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:19:43,984 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:19:43,985 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:19:43,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:19:43,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:19:43,986 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:19:43,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:19:43,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:19:43,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:19:43,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:19:43,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:19:43,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:19:43,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:19:43,989 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:19:43,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:19:43,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:19:43,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:19:43,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:19:43,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:19:43,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:19:43,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:19:43,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:19:43,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:19:43,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:19:43,991 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:19:43,992 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:19:43,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:19:43,992 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_4fc86b82-a8cb-40c7-998c-2e9909379427/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86b82-a8cb-40c7-998c-2e9909379427/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eade98d3572945dc3f3afa13df28f18738479fb416def85e3793aeb4de65612 [2022-11-21 17:19:44,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:19:44,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:19:44,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:19:44,334 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:19:44,335 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:19:44,336 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86b82-a8cb-40c7-998c-2e9909379427/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i [2022-11-21 17:19:47,331 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:19:48,275 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:19:48,276 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86b82-a8cb-40c7-998c-2e9909379427/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i [2022-11-21 17:19:48,379 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86b82-a8cb-40c7-998c-2e9909379427/bin/uautomizer-vX5HgA9Q3a/data/a82f5d346/56a6cda4dd724af68b5d31b6719a8cfa/FLAGf7fbb885e [2022-11-21 17:19:48,400 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86b82-a8cb-40c7-998c-2e9909379427/bin/uautomizer-vX5HgA9Q3a/data/a82f5d346/56a6cda4dd724af68b5d31b6719a8cfa [2022-11-21 17:19:48,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:19:48,407 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:19:48,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:19:48,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:19:48,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:19:48,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:19:48" (1/1) ... [2022-11-21 17:19:48,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5989136f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:48, skipping insertion in model container [2022-11-21 17:19:48,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:19:48" (1/1) ... [2022-11-21 17:19:48,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:19:48,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:19:55,099 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86b82-a8cb-40c7-998c-2e9909379427/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i[615856,615869] [2022-11-21 17:19:55,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:19:55,379 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:19:56,358 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86b82-a8cb-40c7-998c-2e9909379427/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i[615856,615869] [2022-11-21 17:19:56,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:19:57,000 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:19:57,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:57 WrapperNode [2022-11-21 17:19:57,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:19:57,019 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:19:57,019 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:19:57,019 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:19:57,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:57" (1/1) ... [2022-11-21 17:19:57,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:57" (1/1) ... [2022-11-21 17:19:57,711 INFO L138 Inliner]: procedures = 720, calls = 7917, calls flagged for inlining = 365, calls inlined = 99, statements flattened = 7451 [2022-11-21 17:19:57,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:19:57,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:19:57,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:19:57,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:19:57,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:57" (1/1) ... [2022-11-21 17:19:57,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:57" (1/1) ... [2022-11-21 17:19:57,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:57" (1/1) ... [2022-11-21 17:19:57,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:57" (1/1) ... [2022-11-21 17:19:58,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:57" (1/1) ... [2022-11-21 17:19:58,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:57" (1/1) ... [2022-11-21 17:19:58,113 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:57" (1/1) ... [2022-11-21 17:19:58,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:57" (1/1) ... [2022-11-21 17:19:58,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:19:58,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:19:58,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:19:58,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:19:58,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:57" (1/1) ... [2022-11-21 17:19:58,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:19:58,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86b82-a8cb-40c7-998c-2e9909379427/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:19:58,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86b82-a8cb-40c7-998c-2e9909379427/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:19:58,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc86b82-a8cb-40c7-998c-2e9909379427/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:19:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_use [2022-11-21 17:19:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_use [2022-11-21 17:19:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_notify_wait [2022-11-21 17:19:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_notify_wait [2022-11-21 17:19:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure be_is_wol_excluded [2022-11-21 17:19:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure be_is_wol_excluded [2022-11-21 17:19:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_is_new [2022-11-21 17:19:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_is_new [2022-11-21 17:19:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2022-11-21 17:19:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2022-11-21 17:19:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-21 17:19:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-21 17:19:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-11-21 17:19:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-11-21 17:19:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-21 17:19:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure swap_dws [2022-11-21 17:19:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_dws [2022-11-21 17:19:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_cmd_write_object [2022-11-21 17:19:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_cmd_write_object [2022-11-21 17:19:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-21 17:19:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-21 17:19:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-21 17:19:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-21 17:19:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:19:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure be_flash_redboot [2022-11-21 17:19:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure be_flash_redboot [2022-11-21 17:19:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_cmd_read_file [2022-11-21 17:19:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_cmd_read_file [2022-11-21 17:19:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-21 17:19:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-21 17:19:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-21 17:19:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-21 17:19:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure be_cq_notify [2022-11-21 17:19:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cq_notify [2022-11-21 17:19:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 17:19:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mbox_lock_of_be_adapter [2022-11-21 17:19:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mbox_lock_of_be_adapter [2022-11-21 17:19:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-21 17:19:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-21 17:19:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 17:19:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure be_set_msg_level [2022-11-21 17:19:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure be_set_msg_level [2022-11-21 17:19:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-11-21 17:19:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-11-21 17:19:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 17:19:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure be_loopback_test [2022-11-21 17:19:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure be_loopback_test [2022-11-21 17:19:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 17:19:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 17:19:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mccq [2022-11-21 17:19:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mccq [2022-11-21 17:19:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure amap_set [2022-11-21 17:19:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_set [2022-11-21 17:19:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-21 17:19:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-21 17:19:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_process [2022-11-21 17:19:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_process [2022-11-21 17:19:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure embedded_payload [2022-11-21 17:19:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure embedded_payload [2022-11-21 17:19:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure be_decode_resp_hdr [2022-11-21 17:19:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure be_decode_resp_hdr [2022-11-21 17:19:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:19:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-21 17:19:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-21 17:19:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 17:19:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-21 17:19:58,284 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-21 17:19:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_allowed [2022-11-21 17:19:58,284 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_allowed [2022-11-21 17:19:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure be_pause_supported [2022-11-21 17:19:58,284 INFO L138 BoogieDeclarations]: Found implementation of procedure be_pause_supported [2022-11-21 17:19:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-21 17:19:58,284 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-21 17:19:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure convert_to_et_setting [2022-11-21 17:19:58,285 INFO L138 BoogieDeclarations]: Found implementation of procedure convert_to_et_setting [2022-11-21 17:19:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure queue_head_node [2022-11-21 17:19:58,285 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_head_node [2022-11-21 17:19:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure be_flash_BEx [2022-11-21 17:19:58,285 INFO L138 BoogieDeclarations]: Found implementation of procedure be_flash_BEx [2022-11-21 17:19:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure get_fsec_info [2022-11-21 17:19:58,285 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fsec_info [2022-11-21 17:19:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-11-21 17:19:58,286 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-11-21 17:19:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure be_error [2022-11-21 17:19:58,287 INFO L138 BoogieDeclarations]: Found implementation of procedure be_error [2022-11-21 17:19:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_cmd_read_object [2022-11-21 17:19:58,287 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_cmd_read_object [2022-11-21 17:19:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure queue_tail_node [2022-11-21 17:19:58,288 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_tail_node [2022-11-21 17:19:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:19:58,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:19:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-21 17:19:58,288 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-21 17:19:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure be_flash [2022-11-21 17:19:58,289 INFO L138 BoogieDeclarations]: Found implementation of procedure be_flash [2022-11-21 17:19:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-21 17:19:58,289 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-21 17:19:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-21 17:19:58,289 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-21 17:19:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure check_privilege [2022-11-21 17:19:58,290 INFO L138 BoogieDeclarations]: Found implementation of procedure check_privilege [2022-11-21 17:19:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 17:19:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_notify_wait [2022-11-21 17:19:58,290 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_notify_wait [2022-11-21 17:19:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 17:19:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure be_link_status_update [2022-11-21 17:19:58,291 INFO L138 BoogieDeclarations]: Found implementation of procedure be_link_status_update [2022-11-21 17:19:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-21 17:19:58,291 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-21 17:19:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-21 17:19:58,291 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-21 17:19:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_fw_ver [2022-11-21 17:19:58,292 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_fw_ver [2022-11-21 17:19:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_flow_control [2022-11-21 17:19:58,292 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_flow_control [2022-11-21 17:19:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-21 17:19:58,292 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-21 17:19:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 17:19:58,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 17:19:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_link_status_query [2022-11-21 17:19:58,296 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_link_status_query [2022-11-21 17:19:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure be_process_mcc [2022-11-21 17:19:58,297 INFO L138 BoogieDeclarations]: Found implementation of procedure be_process_mcc [2022-11-21 17:19:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-21 17:19:58,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-21 17:19:58,300 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-21 17:19:58,300 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-21 17:19:58,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 17:19:58,305 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 17:19:58,305 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_rss_config [2022-11-21 17:19:58,305 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_rss_config [2022-11-21 17:19:58,305 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_cmd_get_file_len [2022-11-21 17:19:58,306 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_cmd_get_file_len [2022-11-21 17:19:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-21 17:19:58,306 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-21 17:19:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure be_multi_rxq [2022-11-21 17:19:58,307 INFO L138 BoogieDeclarations]: Found implementation of procedure be_multi_rxq [2022-11-21 17:19:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mbox_lock_of_be_adapter [2022-11-21 17:19:58,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mbox_lock_of_be_adapter [2022-11-21 17:19:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:19:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-21 17:19:58,307 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-21 17:19:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 17:19:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure be_detect_error [2022-11-21 17:19:58,308 INFO L138 BoogieDeclarations]: Found implementation of procedure be_detect_error [2022-11-21 17:19:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure MODULO___0 [2022-11-21 17:19:58,308 INFO L138 BoogieDeclarations]: Found implementation of procedure MODULO___0 [2022-11-21 17:19:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-11-21 17:19:58,308 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-11-21 17:19:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2022-11-21 17:19:58,308 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2022-11-21 17:19:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 17:19:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure index_inc___0 [2022-11-21 17:19:58,309 INFO L138 BoogieDeclarations]: Found implementation of procedure index_inc___0 [2022-11-21 17:19:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_notify [2022-11-21 17:19:58,309 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_notify [2022-11-21 17:19:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-21 17:19:58,309 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-21 17:19:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-21 17:19:58,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-21 17:19:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_phy_info [2022-11-21 17:19:58,310 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_phy_info [2022-11-21 17:19:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure be_wrb_cmd_hdr_prepare [2022-11-21 17:19:58,310 INFO L138 BoogieDeclarations]: Found implementation of procedure be_wrb_cmd_hdr_prepare [2022-11-21 17:19:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_set_loopback [2022-11-21 17:19:58,311 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_set_loopback [2022-11-21 17:19:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure be_hw_error [2022-11-21 17:19:58,311 INFO L138 BoogieDeclarations]: Found implementation of procedure be_hw_error [2022-11-21 17:19:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-21 17:19:58,311 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-21 17:19:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_db_ready_wait [2022-11-21 17:19:58,311 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_db_ready_wait [2022-11-21 17:19:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-21 17:19:58,312 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-21 17:19:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_ext_fat_capabilites [2022-11-21 17:19:58,312 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_ext_fat_capabilites [2022-11-21 17:19:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 17:19:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 17:19:58,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 17:19:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-11-21 17:19:58,313 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-11-21 17:19:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-21 17:19:58,313 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-21 17:19:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure hw_stats_from_cmd [2022-11-21 17:19:58,313 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_stats_from_cmd [2022-11-21 17:19:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-21 17:19:58,313 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-21 17:19:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mbox [2022-11-21 17:19:58,313 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mbox [2022-11-21 17:19:58,314 INFO L130 BoogieDeclarations]: Found specification of procedure amap_mask [2022-11-21 17:19:58,314 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_mask [2022-11-21 17:19:58,314 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-21 17:19:58,314 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-21 17:19:58,314 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-21 17:19:58,314 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-21 17:19:58,314 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-21 17:19:58,314 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-21 17:19:58,314 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_set_beacon_state [2022-11-21 17:19:58,314 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_set_beacon_state [2022-11-21 17:19:58,315 INFO L130 BoogieDeclarations]: Found specification of procedure be_is_wol_supported [2022-11-21 17:19:58,315 INFO L138 BoogieDeclarations]: Found implementation of procedure be_is_wol_supported [2022-11-21 17:19:58,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:19:58,315 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_enable [2022-11-21 17:19:58,315 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_enable [2022-11-21 17:19:58,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-21 17:19:58,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-21 17:19:58,315 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_set_flow_control [2022-11-21 17:19:58,315 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_set_flow_control [2022-11-21 17:19:59,284 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:19:59,287 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:32:15,093 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:32:15,110 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:32:15,110 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 17:32:15,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:32:15 BoogieIcfgContainer [2022-11-21 17:32:15,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:32:15,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:32:15,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:32:15,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:32:15,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:19:48" (1/3) ... [2022-11-21 17:32:15,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53416dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:32:15, skipping insertion in model container [2022-11-21 17:32:15,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:57" (2/3) ... [2022-11-21 17:32:15,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53416dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:32:15, skipping insertion in model container [2022-11-21 17:32:15,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:32:15" (3/3) ... [2022-11-21 17:32:15,124 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i [2022-11-21 17:32:15,143 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:32:15,144 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 17:32:15,247 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:32:15,260 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;@68e889da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:32:15,260 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 17:32:15,275 INFO L276 IsEmpty]: Start isEmpty. Operand has 1753 states, 1277 states have (on average 1.3774471417384495) internal successors, (1759), 1292 states have internal predecessors, (1759), 378 states have call successors, (378), 96 states have call predecessors, (378), 96 states have return successors, (378), 376 states have call predecessors, (378), 378 states have call successors, (378) [2022-11-21 17:32:15,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 17:32:15,282 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:32:15,282 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:32:15,283 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:32:15,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:32:15,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1801180083, now seen corresponding path program 1 times [2022-11-21 17:32:15,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:32:15,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196633673] [2022-11-21 17:32:15,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:32:15,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:32:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:32:16,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:32:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:32:17,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:32:17,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:32:17,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196633673] [2022-11-21 17:32:17,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196633673] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:32:17,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:32:17,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 17:32:17,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498772715] [2022-11-21 17:32:17,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:32:17,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:32:17,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:32:17,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:32:17,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:32:17,105 INFO L87 Difference]: Start difference. First operand has 1753 states, 1277 states have (on average 1.3774471417384495) internal successors, (1759), 1292 states have internal predecessors, (1759), 378 states have call successors, (378), 96 states have call predecessors, (378), 96 states have return successors, (378), 376 states have call predecessors, (378), 378 states have call successors, (378) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 17:32:19,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:32:21,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:32:30,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:32:36,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:32:39,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:32:41,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:32:47,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:32:47,907 INFO L93 Difference]: Finished difference Result 3923 states and 5608 transitions. [2022-11-21 17:32:47,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:32:47,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-21 17:32:47,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:32:47,947 INFO L225 Difference]: With dead ends: 3923 [2022-11-21 17:32:47,947 INFO L226 Difference]: Without dead ends: 2167 [2022-11-21 17:32:48,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:32:48,055 INFO L413 NwaCegarLoop]: 998 mSDtfsCounter, 3185 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 2486 mSolverCounterSat, 1001 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3420 SdHoareTripleChecker+Valid, 1768 SdHoareTripleChecker+Invalid, 3493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1001 IncrementalHoareTripleChecker+Valid, 2486 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:32:48,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3420 Valid, 1768 Invalid, 3493 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1001 Valid, 2486 Invalid, 6 Unknown, 0 Unchecked, 30.1s Time] [2022-11-21 17:32:48,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2167 states. [2022-11-21 17:32:48,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2167 to 2082. [2022-11-21 17:32:48,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2082 states, 1513 states have (on average 1.3648380700594844) internal successors, (2065), 1531 states have internal predecessors, (2065), 435 states have call successors, (435), 135 states have call predecessors, (435), 133 states have return successors, (431), 424 states have call predecessors, (431), 429 states have call successors, (431) [2022-11-21 17:32:48,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 2082 states and 2931 transitions. [2022-11-21 17:32:48,360 INFO L78 Accepts]: Start accepts. Automaton has 2082 states and 2931 transitions. Word has length 12 [2022-11-21 17:32:48,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:32:48,361 INFO L495 AbstractCegarLoop]: Abstraction has 2082 states and 2931 transitions. [2022-11-21 17:32:48,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 17:32:48,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2082 states and 2931 transitions. [2022-11-21 17:32:48,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 17:32:48,362 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:32:48,363 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:32:48,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 17:32:48,363 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:32:48,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:32:48,365 INFO L85 PathProgramCache]: Analyzing trace with hash -4188733, now seen corresponding path program 1 times [2022-11-21 17:32:48,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:32:48,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659974713] [2022-11-21 17:32:48,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:32:48,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:32:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:32:49,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:32:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:32:49,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:32:49,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:32:49,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659974713] [2022-11-21 17:32:49,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659974713] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:32:49,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:32:49,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 17:32:49,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979881981] [2022-11-21 17:32:49,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:32:49,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:32:49,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:32:49,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:32:49,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:32:49,531 INFO L87 Difference]: Start difference. First operand 2082 states and 2931 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 17:32:51,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:32:53,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:33:03,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:33:09,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:33:13,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:33:15,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:33:20,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:33:20,963 INFO L93 Difference]: Finished difference Result 2169 states and 3055 transitions. [2022-11-21 17:33:20,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:33:20,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-21 17:33:20,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:33:20,981 INFO L225 Difference]: With dead ends: 2169 [2022-11-21 17:33:20,981 INFO L226 Difference]: Without dead ends: 2166 [2022-11-21 17:33:20,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:33:20,985 INFO L413 NwaCegarLoop]: 1001 mSDtfsCounter, 3162 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 2474 mSolverCounterSat, 993 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3396 SdHoareTripleChecker+Valid, 1768 SdHoareTripleChecker+Invalid, 3473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 993 IncrementalHoareTripleChecker+Valid, 2474 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:33:20,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3396 Valid, 1768 Invalid, 3473 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [993 Valid, 2474 Invalid, 6 Unknown, 0 Unchecked, 31.0s Time] [2022-11-21 17:33:20,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2166 states. [2022-11-21 17:33:21,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2166 to 2081. [2022-11-21 17:33:21,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2081 states, 1513 states have (on average 1.3641771315267681) internal successors, (2064), 1530 states have internal predecessors, (2064), 434 states have call successors, (434), 135 states have call predecessors, (434), 133 states have return successors, (431), 424 states have call predecessors, (431), 429 states have call successors, (431) [2022-11-21 17:33:21,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 2929 transitions. [2022-11-21 17:33:21,141 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 2929 transitions. Word has length 13 [2022-11-21 17:33:21,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:33:21,142 INFO L495 AbstractCegarLoop]: Abstraction has 2081 states and 2929 transitions. [2022-11-21 17:33:21,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 17:33:21,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 2929 transitions. [2022-11-21 17:33:21,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 17:33:21,143 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:33:21,143 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:33:21,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 17:33:21,144 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:33:21,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:33:21,145 INFO L85 PathProgramCache]: Analyzing trace with hash -132026864, now seen corresponding path program 1 times [2022-11-21 17:33:21,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:33:21,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89981554] [2022-11-21 17:33:21,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:33:21,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:33:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:33:22,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:33:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:33:22,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:33:22,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:33:22,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89981554] [2022-11-21 17:33:22,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89981554] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:33:22,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:33:22,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 17:33:22,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408293797] [2022-11-21 17:33:22,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:33:22,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:33:22,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:33:22,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:33:22,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:33:22,421 INFO L87 Difference]: Start difference. First operand 2081 states and 2929 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 17:33:24,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:33:26,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:33:42,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:33:49,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:33:52,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:33:54,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:34:03,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:34:03,955 INFO L93 Difference]: Finished difference Result 5861 states and 8312 transitions. [2022-11-21 17:34:03,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:34:03,956 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-21 17:34:03,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:34:03,985 INFO L225 Difference]: With dead ends: 5861 [2022-11-21 17:34:03,986 INFO L226 Difference]: Without dead ends: 3786 [2022-11-21 17:34:03,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:34:03,999 INFO L413 NwaCegarLoop]: 1202 mSDtfsCounter, 3689 mSDsluCounter, 1775 mSDsCounter, 0 mSdLazyCounter, 3848 mSolverCounterSat, 1159 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4040 SdHoareTripleChecker+Valid, 2977 SdHoareTripleChecker+Invalid, 5013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1159 IncrementalHoareTripleChecker+Valid, 3848 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.9s IncrementalHoareTripleChecker+Time [2022-11-21 17:34:03,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4040 Valid, 2977 Invalid, 5013 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1159 Valid, 3848 Invalid, 6 Unknown, 0 Unchecked, 40.9s Time] [2022-11-21 17:34:04,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3786 states. [2022-11-21 17:34:04,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3786 to 3777. [2022-11-21 17:34:04,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3777 states, 2742 states have (on average 1.3650619985412107) internal successors, (3743), 2772 states have internal predecessors, (3743), 808 states have call successors, (808), 227 states have call predecessors, (808), 226 states have return successors, (818), 792 states have call predecessors, (818), 800 states have call successors, (818) [2022-11-21 17:34:04,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3777 states to 3777 states and 5369 transitions. [2022-11-21 17:34:04,295 INFO L78 Accepts]: Start accepts. Automaton has 3777 states and 5369 transitions. Word has length 14 [2022-11-21 17:34:04,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:34:04,296 INFO L495 AbstractCegarLoop]: Abstraction has 3777 states and 5369 transitions. [2022-11-21 17:34:04,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 17:34:04,298 INFO L276 IsEmpty]: Start isEmpty. Operand 3777 states and 5369 transitions. [2022-11-21 17:34:04,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 17:34:04,299 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:34:04,299 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:34:04,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 17:34:04,302 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:34:04,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:34:04,303 INFO L85 PathProgramCache]: Analyzing trace with hash 199963238, now seen corresponding path program 1 times [2022-11-21 17:34:04,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:34:04,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413500140] [2022-11-21 17:34:04,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:34:04,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:34:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:34:05,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:34:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:34:05,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:34:05,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:34:05,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413500140] [2022-11-21 17:34:05,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413500140] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:34:05,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:34:05,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 17:34:05,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55515742] [2022-11-21 17:34:05,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:34:05,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:34:05,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:34:05,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:34:05,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:34:05,729 INFO L87 Difference]: Start difference. First operand 3777 states and 5369 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 17:34:07,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:34:10,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:34:20,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:34:26,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:34:29,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:34:31,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []