./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc --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 48ae22c8c2494b96697ffe1db529f00fa4b52cdca22138b3bf77c84445f7f2f5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 21:01:19,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:01:19,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:01:20,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:01:20,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:01:20,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:01:20,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:01:20,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:01:20,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:01:20,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:01:20,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:01:20,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:01:20,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:01:20,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:01:20,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:01:20,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:01:20,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:01:20,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:01:20,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:01:20,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:01:20,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:01:20,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:01:20,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:01:20,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:01:20,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:01:20,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:01:20,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:01:20,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:01:20,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:01:20,103 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:01:20,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:01:20,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:01:20,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:01:20,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:01:20,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:01:20,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:01:20,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:01:20,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:01:20,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:01:20,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:01:20,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:01:20,116 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 21:01:20,162 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:01:20,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:01:20,163 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:01:20,164 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:01:20,165 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:01:20,165 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:01:20,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:01:20,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:01:20,166 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:01:20,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:01:20,168 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:01:20,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:01:20,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:01:20,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:01:20,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:01:20,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:01:20,170 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:01:20,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:01:20,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:01:20,171 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:01:20,171 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:01:20,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:01:20,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:01:20,172 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:01:20,172 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:01:20,172 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:01:20,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:01:20,174 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:01:20,175 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:01:20,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:01:20,175 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_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48ae22c8c2494b96697ffe1db529f00fa4b52cdca22138b3bf77c84445f7f2f5 [2022-11-02 21:01:20,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:01:20,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:01:20,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:01:20,553 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:01:20,554 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:01:20,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2022-11-02 21:01:20,641 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/data/e17c988f6/0155ee3aa5f44e6bbea8261e30d65e2e/FLAGb0ed11e78 [2022-11-02 21:01:22,094 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:01:22,095 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2022-11-02 21:01:22,245 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/data/e17c988f6/0155ee3aa5f44e6bbea8261e30d65e2e/FLAGb0ed11e78 [2022-11-02 21:01:22,540 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/data/e17c988f6/0155ee3aa5f44e6bbea8261e30d65e2e [2022-11-02 21:01:22,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:01:22,545 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:01:22,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:01:22,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:01:22,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:01:22,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:01:22" (1/1) ... [2022-11-02 21:01:22,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51efc525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:22, skipping insertion in model container [2022-11-02 21:01:22,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:01:22" (1/1) ... [2022-11-02 21:01:22,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:01:22,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:01:35,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[788938,788951] [2022-11-02 21:01:36,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:01:36,203 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:01:37,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[788938,788951] [2022-11-02 21:01:37,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:01:38,416 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:01:38,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:38 WrapperNode [2022-11-02 21:01:38,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:01:38,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:01:38,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:01:38,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:01:38,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:38" (1/1) ... [2022-11-02 21:01:38,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:38" (1/1) ... [2022-11-02 21:01:39,385 INFO L138 Inliner]: procedures = 926, calls = 12263, calls flagged for inlining = 543, calls inlined = 454, statements flattened = 17931 [2022-11-02 21:01:39,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:01:39,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:01:39,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:01:39,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:01:39,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:38" (1/1) ... [2022-11-02 21:01:39,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:38" (1/1) ... [2022-11-02 21:01:39,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:38" (1/1) ... [2022-11-02 21:01:39,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:38" (1/1) ... [2022-11-02 21:01:40,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:38" (1/1) ... [2022-11-02 21:01:40,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:38" (1/1) ... [2022-11-02 21:01:40,864 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:38" (1/1) ... [2022-11-02 21:01:40,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:38" (1/1) ... [2022-11-02 21:01:41,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:01:41,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:01:41,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:01:41,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:01:41,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:38" (1/1) ... [2022-11-02 21:01:41,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:01:41,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:01:41,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:01:41,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:01:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_coalesce [2022-11-02 21:01:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_coalesce [2022-11-02 21:01:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-02 21:01:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-02 21:01:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_owner [2022-11-02 21:01:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_owner [2022-11-02 21:01:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-02 21:01:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-02 21:01:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_watchdog [2022-11-02 21:01:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_watchdog [2022-11-02 21:01:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_filter [2022-11-02 21:01:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_filter [2022-11-02 21:01:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-02 21:01:41,149 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-02 21:01:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-02 21:01:41,149 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-02 21:01:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-02 21:01:41,149 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-02 21:01:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-02 21:01:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-02 21:01:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2022-11-02 21:01:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2022-11-02 21:01:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3___0 [2022-11-02 21:01:41,151 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3___0 [2022-11-02 21:01:41,151 INFO L130 BoogieDeclarations]: Found specification of procedure ehn_desc_tx_set_on_chain [2022-11-02 21:01:41,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ehn_desc_tx_set_on_chain [2022-11-02 21:01:41,151 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-02 21:01:41,151 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-02 21:01:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-02 21:01:41,152 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-02 21:01:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_probe [2022-11-02 21:01:41,152 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_probe [2022-11-02 21:01:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_poll_controller [2022-11-02 21:01:41,153 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_poll_controller [2022-11-02 21:01:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 21:01:41,153 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 21:01:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_suspend [2022-11-02 21:01:41,153 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_suspend [2022-11-02 21:01:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 21:01:41,154 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 21:01:41,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_19_2 [2022-11-02 21:01:41,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_19_2 [2022-11-02 21:01:41,155 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_operation_mode [2022-11-02 21:01:41,155 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_operation_mode [2022-11-02 21:01:41,155 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_ctrl_ane [2022-11-02 21:01:41,155 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_ctrl_ane [2022-11-02 21:01:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 21:01:41,156 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 21:01:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2022-11-02 21:01:41,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2022-11-02 21:01:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_16kib_bfsize [2022-11-02 21:01:41,157 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_16kib_bfsize [2022-11-02 21:01:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_timer [2022-11-02 21:01:41,158 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_timer [2022-11-02 21:01:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-02 21:01:41,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-02 21:01:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:01:41,160 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2022-11-02 21:01:41,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2022-11-02 21:01:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-02 21:01:41,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-02 21:01:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-02 21:01:41,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-02 21:01:41,162 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_release_tx_desc [2022-11-02 21:01:41,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_release_tx_desc [2022-11-02 21:01:41,163 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dump_regs [2022-11-02 21:01:41,163 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dump_regs [2022-11-02 21:01:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-02 21:01:41,164 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-02 21:01:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_mac_regs [2022-11-02 21:01:41,164 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_mac_regs [2022-11-02 21:01:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_ls [2022-11-02 21:01:41,165 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_ls [2022-11-02 21:01:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_close_tx_desc [2022-11-02 21:01:41,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_close_tx_desc [2022-11-02 21:01:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-02 21:01:41,166 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-02 21:01:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_core_init [2022-11-02 21:01:41,167 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_core_init [2022-11-02 21:01:41,167 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-11-02 21:01:41,167 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-11-02 21:01:41,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 21:01:41,168 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_tx_skbufs [2022-11-02 21:01:41,168 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_tx_skbufs [2022-11-02 21:01:41,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:01:41,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-02 21:01:41,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-02 21:01:41,169 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 21:01:41,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 21:01:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_ipc_enable [2022-11-02 21:01:41,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_ipc_enable [2022-11-02 21:01:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 21:01:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_status [2022-11-02 21:01:41,171 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_status [2022-11-02 21:01:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-02 21:01:41,171 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-02 21:01:41,172 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-02 21:01:41,173 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-02 21:01:41,173 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_adv [2022-11-02 21:01:41,173 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_adv [2022-11-02 21:01:41,173 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-02 21:01:41,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-02 21:01:41,174 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_fix_mac_speed [2022-11-02 21:01:41,174 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_fix_mac_speed [2022-11-02 21:01:41,174 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-02 21:01:41,174 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-02 21:01:41,174 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 21:01:41,175 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 21:01:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_addend [2022-11-02 21:01:41,175 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_addend [2022-11-02 21:01:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_transmission [2022-11-02 21:01:41,176 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_transmission [2022-11-02 21:01:41,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-02 21:01:41,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-02 21:01:41,176 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-02 21:01:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-02 21:01:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_suspend [2022-11-02 21:01:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_suspend [2022-11-02 21:01:41,179 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_pauseparam [2022-11-02 21:01:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_pauseparam [2022-11-02 21:01:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_free_rx_buffers [2022-11-02 21:01:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_free_rx_buffers [2022-11-02 21:01:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-02 21:01:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-02 21:01:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_dma_chain [2022-11-02 21:01:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_dma_chain [2022-11-02 21:01:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_frame_len [2022-11-02 21:01:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_frame_len [2022-11-02 21:01:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_rx_desc [2022-11-02 21:01:41,192 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_rx_desc [2022-11-02 21:01:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_interrupt [2022-11-02 21:01:41,192 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_interrupt [2022-11-02 21:01:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_rx_desc [2022-11-02 21:01:41,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_rx_desc [2022-11-02 21:01:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac_addr [2022-11-02 21:01:41,193 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac_addr [2022-11-02 21:01:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:01:41,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:01:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_status [2022-11-02 21:01:41,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_status [2022-11-02 21:01:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-02 21:01:41,194 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-02 21:01:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_reset_eee_mode [2022-11-02 21:01:41,194 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_reset_eee_mode [2022-11-02 21:01:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_enable_tx_timestamp [2022-11-02 21:01:41,195 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_enable_tx_timestamp [2022-11-02 21:01:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-11-02 21:01:41,195 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-11-02 21:01:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_rx_owner [2022-11-02 21:01:41,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_rx_owner [2022-11-02 21:01:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 21:01:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-02 21:01:41,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-02 21:01:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_display_ring [2022-11-02 21:01:41,196 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_display_ring [2022-11-02 21:01:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-11-02 21:01:41,196 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-11-02 21:01:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-02 21:01:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-02 21:01:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_timestamp_status [2022-11-02 21:01:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_timestamp_status [2022-11-02 21:01:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-02 21:01:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-02 21:01:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_pls [2022-11-02 21:01:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_pls [2022-11-02 21:01:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_enable_tx_timestamp [2022-11-02 21:01:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_enable_tx_timestamp [2022-11-02 21:01:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_29 [2022-11-02 21:01:41,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_29 [2022-11-02 21:01:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_rx_ipc_enable [2022-11-02 21:01:41,199 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_rx_ipc_enable [2022-11-02 21:01:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-02 21:01:41,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-02 21:01:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-02 21:01:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-02 21:01:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 21:01:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 21:01:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_rx_buffers [2022-11-02 21:01:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_rx_buffers [2022-11-02 21:01:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-02 21:01:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-02 21:01:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_setup [2022-11-02 21:01:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_setup [2022-11-02 21:01:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-11-02 21:01:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-11-02 21:01:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-02 21:01:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-02 21:01:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-02 21:01:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-02 21:01:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:01:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_umac_addr [2022-11-02 21:01:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_umac_addr [2022-11-02 21:01:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_len [2022-11-02 21:01:41,205 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_len [2022-11-02 21:01:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 21:01:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-02 21:01:41,205 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-02 21:01:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_pmt [2022-11-02 21:01:41,206 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_pmt [2022-11-02 21:01:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_timestamp_status [2022-11-02 21:01:41,206 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_timestamp_status [2022-11-02 21:01:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2022-11-02 21:01:41,206 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2022-11-02 21:01:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_release [2022-11-02 21:01:41,207 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_release [2022-11-02 21:01:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_irq [2022-11-02 21:01:41,207 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_irq [2022-11-02 21:01:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_timeout [2022-11-02 21:01:41,207 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_timeout [2022-11-02 21:01:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-02 21:01:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-02 21:01:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_systime [2022-11-02 21:01:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_systime [2022-11-02 21:01:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-02 21:01:41,209 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-02 21:01:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-02 21:01:41,209 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-02 21:01:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-02 21:01:41,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-02 21:01:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_time [2022-11-02 21:01:41,209 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_time [2022-11-02 21:01:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_core_init [2022-11-02 21:01:41,210 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_core_init [2022-11-02 21:01:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_hw_feature [2022-11-02 21:01:41,210 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_hw_feature [2022-11-02 21:01:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setsettings [2022-11-02 21:01:41,210 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setsettings [2022-11-02 21:01:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-02 21:01:41,211 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-02 21:01:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-02 21:01:41,211 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-02 21:01:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-02 21:01:41,211 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-02 21:01:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_rx_owner [2022-11-02 21:01:41,212 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_rx_owner [2022-11-02 21:01:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-02 21:01:41,212 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-02 21:01:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_ls [2022-11-02 21:01:41,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_ls [2022-11-02 21:01:41,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_2_5 [2022-11-02 21:01:41,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_2_5 [2022-11-02 21:01:41,213 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_init [2022-11-02 21:01:41,213 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_init [2022-11-02 21:01:41,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:01:41,214 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_filter [2022-11-02 21:01:41,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_filter [2022-11-02 21:01:41,220 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-02 21:01:41,220 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-02 21:01:41,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 21:01:41,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 21:01:41,220 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_jumbo_frm [2022-11-02 21:01:41,221 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_jumbo_frm [2022-11-02 21:01:41,221 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_freq [2022-11-02 21:01:41,221 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_freq [2022-11-02 21:01:41,221 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2022-11-02 21:01:41,222 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2022-11-02 21:01:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-11-02 21:01:41,226 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-11-02 21:01:41,226 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-02 21:01:41,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-02 21:01:41,226 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-02 21:01:41,226 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-02 21:01:41,226 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_time [2022-11-02 21:01:41,227 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_time [2022-11-02 21:01:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure phy_stop [2022-11-02 21:01:41,227 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_stop [2022-11-02 21:01:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-11-02 21:01:41,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-11-02 21:01:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_release_tx_desc [2022-11-02 21:01:41,228 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_release_tx_desc [2022-11-02 21:01:41,228 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_timestamp_status [2022-11-02 21:01:41,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_timestamp_status [2022-11-02 21:01:41,228 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_mode [2022-11-02 21:01:41,228 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_mode [2022-11-02 21:01:41,228 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_eee_mode [2022-11-02 21:01:41,229 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_eee_mode [2022-11-02 21:01:41,229 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_remove [2022-11-02 21:01:41,229 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_remove [2022-11-02 21:01:41,229 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_tx_owner [2022-11-02 21:01:41,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_tx_owner [2022-11-02 21:01:41,229 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-02 21:01:41,229 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-02 21:01:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 21:01:41,230 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 21:01:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_remove [2022-11-02 21:01:41,230 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_remove [2022-11-02 21:01:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_len [2022-11-02 21:01:41,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_len [2022-11-02 21:01:41,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 21:01:41,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 21:01:41,231 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dma_interrupt [2022-11-02 21:01:41,231 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dma_interrupt [2022-11-02 21:01:41,231 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2022-11-02 21:01:41,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2022-11-02 21:01:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-02 21:01:41,232 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-02 21:01:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_status [2022-11-02 21:01:41,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_status [2022-11-02 21:01:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac [2022-11-02 21:01:41,232 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac [2022-11-02 21:01:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_resume [2022-11-02 21:01:41,233 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_resume [2022-11-02 21:01:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 21:01:41,233 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 21:01:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_desc3 [2022-11-02 21:01:41,233 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_desc3 [2022-11-02 21:01:41,234 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2022-11-02 21:01:41,234 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2022-11-02 21:01:41,234 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-02 21:01:41,234 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-02 21:01:41,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-02 21:01:41,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-02 21:01:41,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 21:01:41,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 21:01:41,235 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_mac_addr [2022-11-02 21:01:41,235 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_mac_addr [2022-11-02 21:01:41,235 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_flush_tx_fifo [2022-11-02 21:01:41,235 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_flush_tx_fifo [2022-11-02 21:01:41,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:01:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_open [2022-11-02 21:01:41,236 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_open [2022-11-02 21:01:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-02 21:01:41,236 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-02 21:01:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2022-11-02 21:01:41,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2022-11-02 21:01:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_owner [2022-11-02 21:01:41,237 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_owner [2022-11-02 21:01:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-02 21:01:41,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-02 21:01:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ts_info [2022-11-02 21:01:41,237 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ts_info [2022-11-02 21:01:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setmsglevel [2022-11-02 21:01:41,238 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setmsglevel [2022-11-02 21:01:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 21:01:41,238 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 21:01:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_get_regs_len [2022-11-02 21:01:41,238 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_get_regs_len [2022-11-02 21:01:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_prepare_tx_desc [2022-11-02 21:01:41,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_prepare_tx_desc [2022-11-02 21:01:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 21:01:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_timestamp_status [2022-11-02 21:01:41,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_timestamp_status [2022-11-02 21:01:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_hw_tstamping [2022-11-02 21:01:41,239 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_hw_tstamping [2022-11-02 21:01:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_flow_ctrl [2022-11-02 21:01:41,240 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_flow_ctrl [2022-11-02 21:01:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-02 21:01:41,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-02 21:01:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_link [2022-11-02 21:01:41,240 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_link [2022-11-02 21:01:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_eee_init [2022-11-02 21:01:41,241 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_eee_init [2022-11-02 21:01:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-02 21:01:41,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-02 21:01:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 21:01:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure init_dma_desc_rings [2022-11-02 21:01:41,241 INFO L138 BoogieDeclarations]: Found implementation of procedure init_dma_desc_rings [2022-11-02 21:01:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-02 21:01:41,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-02 21:01:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_init [2022-11-02 21:01:41,242 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_init [2022-11-02 21:01:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 21:01:41,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 21:01:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-02 21:01:41,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-02 21:01:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_tx_owner [2022-11-02 21:01:41,243 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_tx_owner [2022-11-02 21:01:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-02 21:01:41,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-02 21:01:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_systime [2022-11-02 21:01:41,244 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_systime [2022-11-02 21:01:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2022-11-02 21:01:41,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2022-11-02 21:01:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_hw_features [2022-11-02 21:01:41,244 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_hw_features [2022-11-02 21:01:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-11-02 21:01:41,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-11-02 21:01:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_tx [2022-11-02 21:01:41,245 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_tx [2022-11-02 21:01:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-11-02 21:01:41,245 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-11-02 21:01:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_interrupt [2022-11-02 21:01:41,246 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_interrupt [2022-11-02 21:01:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_get_umac_addr [2022-11-02 21:01:41,247 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_get_umac_addr [2022-11-02 21:01:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_probe [2022-11-02 21:01:41,247 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_probe [2022-11-02 21:01:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-11-02 21:01:41,248 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-11-02 21:01:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-02 21:01:41,248 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-02 21:01:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_ext_status [2022-11-02 21:01:41,248 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_ext_status [2022-11-02 21:01:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_probe [2022-11-02 21:01:41,249 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_probe [2022-11-02 21:01:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_timestamp [2022-11-02 21:01:41,249 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_timestamp [2022-11-02 21:01:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-02 21:01:41,249 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-02 21:01:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_rx [2022-11-02 21:01:41,250 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_rx [2022-11-02 21:01:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_resume [2022-11-02 21:01:41,250 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_resume [2022-11-02 21:01:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_diagnostic_fr [2022-11-02 21:01:41,250 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_diagnostic_fr [2022-11-02 21:01:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_desc_resources [2022-11-02 21:01:41,251 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_desc_resources [2022-11-02 21:01:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_mdio_reset [2022-11-02 21:01:41,251 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_mdio_reset [2022-11-02 21:01:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3 [2022-11-02 21:01:41,251 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3 [2022-11-02 21:01:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 21:01:41,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 21:01:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable [2022-11-02 21:01:41,252 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable [2022-11-02 21:01:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_set_eee [2022-11-02 21:01:41,252 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_set_eee [2022-11-02 21:01:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-02 21:01:41,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-02 21:01:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_tx_desc [2022-11-02 21:01:41,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_tx_desc [2022-11-02 21:01:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_tx_desc [2022-11-02 21:01:41,253 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_tx_desc [2022-11-02 21:01:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_close_tx_desc [2022-11-02 21:01:41,254 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_close_tx_desc [2022-11-02 21:01:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_irq_status [2022-11-02 21:01:41,254 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_irq_status [2022-11-02 21:01:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_wol [2022-11-02 21:01:41,254 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_wol [2022-11-02 21:01:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_systime [2022-11-02 21:01:41,255 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_systime [2022-11-02 21:01:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_umac_addr [2022-11-02 21:01:41,255 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_umac_addr [2022-11-02 21:01:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_clear_tx_ic [2022-11-02 21:01:41,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_clear_tx_ic [2022-11-02 21:01:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-02 21:01:41,255 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-02 21:01:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-02 21:01:41,256 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-02 21:01:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-02 21:01:41,256 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-02 21:01:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_unregister_platform [2022-11-02 21:01:41,256 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_unregister_platform [2022-11-02 21:01:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_irq_status [2022-11-02 21:01:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_irq_status [2022-11-02 21:01:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_timestamp [2022-11-02 21:01:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_timestamp [2022-11-02 21:01:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_owner [2022-11-02 21:01:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_owner [2022-11-02 21:01:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 21:01:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 21:01:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 21:01:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_rx_mode [2022-11-02 21:01:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_rx_mode [2022-11-02 21:01:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-02 21:01:41,259 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-02 21:01:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-02 21:01:41,259 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-02 21:01:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-02 21:01:41,259 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-02 21:01:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_display_ring [2022-11-02 21:01:41,259 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_display_ring [2022-11-02 21:01:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-11-02 21:01:41,260 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-11-02 21:01:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getdrvinfo [2022-11-02 21:01:41,260 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getdrvinfo [2022-11-02 21:01:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_sub_second_increment [2022-11-02 21:01:41,260 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_sub_second_increment [2022-11-02 21:01:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-02 21:01:41,261 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-02 21:01:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_check_if_running [2022-11-02 21:01:41,261 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_check_if_running [2022-11-02 21:01:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_umac_addr [2022-11-02 21:01:41,261 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_umac_addr [2022-11-02 21:01:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_get_eee [2022-11-02 21:01:41,262 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_get_eee [2022-11-02 21:01:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_pmt [2022-11-02 21:01:41,262 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_pmt [2022-11-02 21:01:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-02 21:01:41,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-02 21:01:41,263 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-02 21:01:41,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-02 21:01:41,263 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-02 21:01:41,263 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-02 21:01:41,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2022-11-02 21:01:41,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2022-11-02 21:01:41,263 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_refill_desc3 [2022-11-02 21:01:41,264 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_refill_desc3 [2022-11-02 21:01:41,264 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clear_descriptors [2022-11-02 21:01:41,264 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clear_descriptors [2022-11-02 21:01:41,264 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-02 21:01:41,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-02 21:01:41,264 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_flow_ctrl [2022-11-02 21:01:41,265 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_flow_ctrl [2022-11-02 21:01:41,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 21:01:41,265 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_dma_cap_open [2022-11-02 21:01:41,265 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_dma_cap_open [2022-11-02 21:01:41,265 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2022-11-02 21:01:41,265 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2022-11-02 21:01:41,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-02 21:01:41,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-02 21:01:41,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-02 21:01:41,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-02 21:01:41,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-02 21:01:41,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-02 21:01:41,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-02 21:01:41,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-02 21:01:41,267 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_dma_irq [2022-11-02 21:01:41,267 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_dma_irq [2022-11-02 21:01:41,267 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-02 21:01:41,267 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-02 21:01:41,267 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-02 21:01:41,272 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-02 21:01:41,272 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-11-02 21:01:41,272 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-11-02 21:01:41,273 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2022-11-02 21:01:41,273 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2022-11-02 21:01:41,273 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_remove [2022-11-02 21:01:41,273 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_remove [2022-11-02 21:01:41,273 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_status [2022-11-02 21:01:41,274 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_status [2022-11-02 21:01:41,274 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_rx [2022-11-02 21:01:41,274 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_rx [2022-11-02 21:01:41,274 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-02 21:01:41,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-02 21:01:41,274 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 21:01:41,275 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 21:01:41,275 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_is_jumbo_frm [2022-11-02 21:01:41,275 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_is_jumbo_frm [2022-11-02 21:01:41,275 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-02 21:01:41,275 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-02 21:01:41,275 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_ring_open [2022-11-02 21:01:41,275 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_ring_open [2022-11-02 21:01:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_owner [2022-11-02 21:01:41,276 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_owner [2022-11-02 21:01:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-02 21:01:41,276 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-02 21:01:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq_byname [2022-11-02 21:01:41,276 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq_byname [2022-11-02 21:01:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_err [2022-11-02 21:01:41,277 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_err [2022-11-02 21:01:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-02 21:01:41,277 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-02 21:01:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_tx [2022-11-02 21:01:41,277 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_tx [2022-11-02 21:01:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-02 21:01:41,278 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-02 21:01:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_prepare_tx_desc [2022-11-02 21:01:41,278 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_prepare_tx_desc [2022-11-02 21:01:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_frame_len [2022-11-02 21:01:41,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_frame_len [2022-11-02 21:01:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_18 [2022-11-02 21:01:41,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_18 [2022-11-02 21:01:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_17 [2022-11-02 21:01:41,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_17 [2022-11-02 21:01:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_16 [2022-11-02 21:01:41,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_16 [2022-11-02 21:01:41,280 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-02 21:01:41,280 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-02 21:01:41,280 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_tx_set_on_chain [2022-11-02 21:01:41,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_tx_set_on_chain [2022-11-02 21:01:41,280 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_pauseparam [2022-11-02 21:01:41,280 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_pauseparam [2022-11-02 21:01:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-02 21:01:41,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-02 21:01:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-02 21:01:41,281 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-02 21:01:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_dma_regs [2022-11-02 21:01:41,282 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_dma_regs [2022-11-02 21:01:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-02 21:01:41,282 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-02 21:01:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getsettings [2022-11-02 21:01:41,282 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getsettings [2022-11-02 21:01:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 21:01:41,283 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 21:01:41,283 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-02 21:01:41,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-02 21:01:41,283 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_coalesce [2022-11-02 21:01:41,283 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_coalesce [2022-11-02 21:01:41,283 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-02 21:01:41,284 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-02 21:01:41,284 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_disable_dma_irq [2022-11-02 21:01:41,284 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_disable_dma_irq [2022-11-02 21:01:41,284 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_wol [2022-11-02 21:01:41,284 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_wol [2022-11-02 21:01:41,284 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_clear_tx_ic [2022-11-02 21:01:41,284 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_clear_tx_ic [2022-11-02 21:01:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:01:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-02 21:01:41,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-02 21:01:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config [2022-11-02 21:01:41,285 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config [2022-11-02 21:01:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_time [2022-11-02 21:01:41,286 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_time [2022-11-02 21:01:41,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-02 21:01:41,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-02 21:01:41,286 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-02 21:01:41,286 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-02 21:01:41,286 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_resume [2022-11-02 21:01:41,287 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_resume [2022-11-02 21:01:43,886 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:01:43,894 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:01:44,165 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 21:02:23,810 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:02:23,863 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:02:23,863 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 21:02:23,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:02:23 BoogieIcfgContainer [2022-11-02 21:02:23,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:02:23,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:02:23,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:02:23,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:02:23,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:01:22" (1/3) ... [2022-11-02 21:02:23,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e968650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:02:23, skipping insertion in model container [2022-11-02 21:02:23,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:38" (2/3) ... [2022-11-02 21:02:23,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e968650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:02:23, skipping insertion in model container [2022-11-02 21:02:23,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:02:23" (3/3) ... [2022-11-02 21:02:23,885 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2022-11-02 21:02:23,909 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:02:23,910 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 21:02:24,107 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:02:24,115 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;@56e9abd6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:02:24,116 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 21:02:24,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 4999 states, 3440 states have (on average 1.2936046511627908) internal successors, (4450), 3579 states have internal predecessors, (4450), 1266 states have call successors, (1266), 292 states have call predecessors, (1266), 291 states have return successors, (1251), 1175 states have call predecessors, (1251), 1251 states have call successors, (1251) [2022-11-02 21:02:24,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-02 21:02:24,149 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:02:24,150 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-02 21:02:24,151 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:02:24,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:02:24,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1399050847, now seen corresponding path program 1 times [2022-11-02 21:02:24,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:02:24,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832353331] [2022-11-02 21:02:24,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:02:24,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:02:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:28,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:02:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:28,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:28,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 21:02:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:28,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-02 21:02:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:28,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-02 21:02:28,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:02:28,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832353331] [2022-11-02 21:02:28,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832353331] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:02:28,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:02:28,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:02:28,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69588949] [2022-11-02 21:02:28,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:02:28,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:02:28,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:02:28,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:02:28,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:02:28,757 INFO L87 Difference]: Start difference. First operand has 4999 states, 3440 states have (on average 1.2936046511627908) internal successors, (4450), 3579 states have internal predecessors, (4450), 1266 states have call successors, (1266), 292 states have call predecessors, (1266), 291 states have return successors, (1251), 1175 states have call predecessors, (1251), 1251 states have call successors, (1251) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 21:02:29,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:02:29,710 INFO L93 Difference]: Finished difference Result 9961 states and 14024 transitions. [2022-11-02 21:02:29,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:02:29,712 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2022-11-02 21:02:29,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:02:29,774 INFO L225 Difference]: With dead ends: 9961 [2022-11-02 21:02:29,774 INFO L226 Difference]: Without dead ends: 4977 [2022-11-02 21:02:29,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 21:02:29,817 INFO L413 NwaCegarLoop]: 6955 mSDtfsCounter, 6946 mSDsluCounter, 13907 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6948 SdHoareTripleChecker+Valid, 20862 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:02:29,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6948 Valid, 20862 Invalid, 10 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:02:29,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4977 states. [2022-11-02 21:02:30,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4977 to 4977. [2022-11-02 21:02:30,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4977 states, 3435 states have (on average 1.2882096069868996) internal successors, (4425), 3561 states have internal predecessors, (4425), 1251 states have call successors, (1251), 292 states have call predecessors, (1251), 290 states have return successors, (1248), 1172 states have call predecessors, (1248), 1248 states have call successors, (1248) [2022-11-02 21:02:30,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4977 states to 4977 states and 6924 transitions. [2022-11-02 21:02:30,248 INFO L78 Accepts]: Start accepts. Automaton has 4977 states and 6924 transitions. Word has length 39 [2022-11-02 21:02:30,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:02:30,252 INFO L495 AbstractCegarLoop]: Abstraction has 4977 states and 6924 transitions. [2022-11-02 21:02:30,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 21:02:30,252 INFO L276 IsEmpty]: Start isEmpty. Operand 4977 states and 6924 transitions. [2022-11-02 21:02:30,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-02 21:02:30,254 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:02:30,255 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-02 21:02:30,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:02:30,255 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:02:30,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:02:30,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1062149609, now seen corresponding path program 1 times [2022-11-02 21:02:30,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:02:30,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502657275] [2022-11-02 21:02:30,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:02:30,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:02:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:33,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:02:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:33,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:33,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 21:02:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:33,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-02 21:02:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:33,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-02 21:02:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:33,518 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-02 21:02:33,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:02:33,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502657275] [2022-11-02 21:02:33,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502657275] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:02:33,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:02:33,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:02:33,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461405115] [2022-11-02 21:02:33,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:02:33,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:02:33,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:02:33,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:02:33,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:02:33,529 INFO L87 Difference]: Start difference. First operand 4977 states and 6924 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-02 21:02:34,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:02:34,324 INFO L93 Difference]: Finished difference Result 9901 states and 14010 transitions. [2022-11-02 21:02:34,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:02:34,325 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2022-11-02 21:02:34,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:02:34,436 INFO L225 Difference]: With dead ends: 9901 [2022-11-02 21:02:34,437 INFO L226 Difference]: Without dead ends: 8847 [2022-11-02 21:02:34,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 21:02:34,459 INFO L413 NwaCegarLoop]: 8571 mSDtfsCounter, 7024 mSDsluCounter, 24096 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7024 SdHoareTripleChecker+Valid, 32667 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:02:34,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7024 Valid, 32667 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:02:34,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8847 states. [2022-11-02 21:02:35,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8847 to 8816. [2022-11-02 21:02:35,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8816 states, 6022 states have (on average 1.2864496844902027) internal successors, (7747), 6260 states have internal predecessors, (7747), 2230 states have call successors, (2230), 567 states have call predecessors, (2230), 563 states have return successors, (2459), 2079 states have call predecessors, (2459), 2228 states have call successors, (2459) [2022-11-02 21:02:35,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8816 states to 8816 states and 12436 transitions. [2022-11-02 21:02:35,449 INFO L78 Accepts]: Start accepts. Automaton has 8816 states and 12436 transitions. Word has length 44 [2022-11-02 21:02:35,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:02:35,450 INFO L495 AbstractCegarLoop]: Abstraction has 8816 states and 12436 transitions. [2022-11-02 21:02:35,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-02 21:02:35,451 INFO L276 IsEmpty]: Start isEmpty. Operand 8816 states and 12436 transitions. [2022-11-02 21:02:35,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1053 [2022-11-02 21:02:35,612 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:02:35,616 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 12, 12, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:02:35,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:02:35,617 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:02:35,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:02:35,618 INFO L85 PathProgramCache]: Analyzing trace with hash -697889187, now seen corresponding path program 1 times [2022-11-02 21:02:35,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:02:35,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474925097] [2022-11-02 21:02:35,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:02:35,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:02:36,563 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:02:36,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1211818088] [2022-11-02 21:02:36,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:02:36,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:02:36,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:02:36,570 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:02:36,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 21:02:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:43,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 21692 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 21:02:43,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:02:44,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4788 backedges. 1515 proven. 0 refuted. 0 times theorem prover too weak. 3273 trivial. 0 not checked. [2022-11-02 21:02:44,286 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:02:44,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:02:44,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474925097] [2022-11-02 21:02:44,287 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 21:02:44,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211818088] [2022-11-02 21:02:44,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211818088] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:02:44,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:02:44,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:02:44,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168029263] [2022-11-02 21:02:44,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:02:44,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:02:44,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:02:44,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:02:44,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:02:44,293 INFO L87 Difference]: Start difference. First operand 8816 states and 12436 transitions. Second operand has 6 states, 6 states have (on average 72.66666666666667) internal successors, (436), 6 states have internal predecessors, (436), 4 states have call successors, (127), 2 states have call predecessors, (127), 4 states have return successors, (125), 4 states have call predecessors, (125), 4 states have call successors, (125) [2022-11-02 21:02:45,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:02:45,212 INFO L93 Difference]: Finished difference Result 16454 states and 23119 transitions. [2022-11-02 21:02:45,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:02:45,214 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 72.66666666666667) internal successors, (436), 6 states have internal predecessors, (436), 4 states have call successors, (127), 2 states have call predecessors, (127), 4 states have return successors, (125), 4 states have call predecessors, (125), 4 states have call successors, (125) Word has length 1052 [2022-11-02 21:02:45,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:02:45,327 INFO L225 Difference]: With dead ends: 16454 [2022-11-02 21:02:45,327 INFO L226 Difference]: Without dead ends: 8820 [2022-11-02 21:02:45,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1053 GetRequests, 1047 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-02 21:02:45,399 INFO L413 NwaCegarLoop]: 6911 mSDtfsCounter, 19 mSDsluCounter, 27601 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 34512 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:02:45,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 34512 Invalid, 62 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:02:45,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8820 states. [2022-11-02 21:02:46,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8820 to 8820. [2022-11-02 21:02:46,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8820 states, 6024 states have (on average 1.2863545816733069) internal successors, (7749), 6263 states have internal predecessors, (7749), 2231 states have call successors, (2231), 567 states have call predecessors, (2231), 564 states have return successors, (2462), 2080 states have call predecessors, (2462), 2229 states have call successors, (2462) [2022-11-02 21:02:46,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8820 states to 8820 states and 12442 transitions. [2022-11-02 21:02:46,323 INFO L78 Accepts]: Start accepts. Automaton has 8820 states and 12442 transitions. Word has length 1052 [2022-11-02 21:02:46,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:02:46,326 INFO L495 AbstractCegarLoop]: Abstraction has 8820 states and 12442 transitions. [2022-11-02 21:02:46,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 72.66666666666667) internal successors, (436), 6 states have internal predecessors, (436), 4 states have call successors, (127), 2 states have call predecessors, (127), 4 states have return successors, (125), 4 states have call predecessors, (125), 4 states have call successors, (125) [2022-11-02 21:02:46,326 INFO L276 IsEmpty]: Start isEmpty. Operand 8820 states and 12442 transitions. [2022-11-02 21:02:46,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1059 [2022-11-02 21:02:46,470 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:02:46,471 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 13, 13, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:02:46,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 21:02:46,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:02:46,691 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:02:46,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:02:46,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1780813479, now seen corresponding path program 1 times [2022-11-02 21:02:46,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:02:46,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497271952] [2022-11-02 21:02:46,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:02:46,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:02:47,586 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:02:47,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1493517216] [2022-11-02 21:02:47,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:02:47,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:02:47,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:02:47,588 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:02:47,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 21:02:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:54,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 21707 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 21:02:54,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:02:54,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4815 backedges. 1515 proven. 0 refuted. 0 times theorem prover too weak. 3300 trivial. 0 not checked. [2022-11-02 21:02:54,596 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:02:54,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:02:54,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497271952] [2022-11-02 21:02:54,596 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 21:02:54,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493517216] [2022-11-02 21:02:54,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493517216] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:02:54,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:02:54,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:02:54,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188916221] [2022-11-02 21:02:54,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:02:54,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:02:54,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:02:54,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:02:54,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:02:54,605 INFO L87 Difference]: Start difference. First operand 8820 states and 12442 transitions. Second operand has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 4 states have call successors, (128), 2 states have call predecessors, (128), 4 states have return successors, (126), 4 states have call predecessors, (126), 4 states have call successors, (126) [2022-11-02 21:02:55,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:02:55,434 INFO L93 Difference]: Finished difference Result 16462 states and 23130 transitions. [2022-11-02 21:02:55,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:02:55,435 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 4 states have call successors, (128), 2 states have call predecessors, (128), 4 states have return successors, (126), 4 states have call predecessors, (126), 4 states have call successors, (126) Word has length 1058 [2022-11-02 21:02:55,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:02:55,509 INFO L225 Difference]: With dead ends: 16462 [2022-11-02 21:02:55,509 INFO L226 Difference]: Without dead ends: 8824 [2022-11-02 21:02:55,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1059 GetRequests, 1053 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-02 21:02:55,551 INFO L413 NwaCegarLoop]: 6912 mSDtfsCounter, 19 mSDsluCounter, 27607 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 34519 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:02:55,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 34519 Invalid, 55 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:02:55,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8824 states. [2022-11-02 21:02:56,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8824 to 8824. [2022-11-02 21:02:56,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8824 states, 6026 states have (on average 1.286259541984733) internal successors, (7751), 6266 states have internal predecessors, (7751), 2232 states have call successors, (2232), 567 states have call predecessors, (2232), 565 states have return successors, (2464), 2081 states have call predecessors, (2464), 2230 states have call successors, (2464) [2022-11-02 21:02:56,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8824 states to 8824 states and 12447 transitions. [2022-11-02 21:02:56,268 INFO L78 Accepts]: Start accepts. Automaton has 8824 states and 12447 transitions. Word has length 1058 [2022-11-02 21:02:56,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:02:56,271 INFO L495 AbstractCegarLoop]: Abstraction has 8824 states and 12447 transitions. [2022-11-02 21:02:56,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 4 states have call successors, (128), 2 states have call predecessors, (128), 4 states have return successors, (126), 4 states have call predecessors, (126), 4 states have call successors, (126) [2022-11-02 21:02:56,271 INFO L276 IsEmpty]: Start isEmpty. Operand 8824 states and 12447 transitions. [2022-11-02 21:02:56,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1067 [2022-11-02 21:02:56,384 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:02:56,385 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 14, 14, 8, 8, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:02:56,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 21:02:56,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:02:56,611 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:02:56,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:02:56,612 INFO L85 PathProgramCache]: Analyzing trace with hash -367793566, now seen corresponding path program 1 times [2022-11-02 21:02:56,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:02:56,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163435029] [2022-11-02 21:02:56,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:02:56,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:02:57,537 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:02:57,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [567381268] [2022-11-02 21:02:57,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:02:57,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:02:57,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:02:57,539 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:02:57,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-02 21:03:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:03:04,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 21757 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 21:03:04,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:03:04,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 1490 proven. 0 refuted. 0 times theorem prover too weak. 3361 trivial. 0 not checked. [2022-11-02 21:03:04,278 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:03:04,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:03:04,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163435029] [2022-11-02 21:03:04,279 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 21:03:04,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567381268] [2022-11-02 21:03:04,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567381268] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:03:04,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:03:04,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:03:04,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514266110] [2022-11-02 21:03:04,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:03:04,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:03:04,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:03:04,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:03:04,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:03:04,284 INFO L87 Difference]: Start difference. First operand 8824 states and 12447 transitions. Second operand has 5 states, 5 states have (on average 81.8) internal successors, (409), 4 states have internal predecessors, (409), 2 states have call successors, (118), 2 states have call predecessors, (118), 3 states have return successors, (116), 3 states have call predecessors, (116), 2 states have call successors, (116) [2022-11-02 21:03:05,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:03:05,048 INFO L93 Difference]: Finished difference Result 17695 states and 25466 transitions. [2022-11-02 21:03:05,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:03:05,049 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 81.8) internal successors, (409), 4 states have internal predecessors, (409), 2 states have call successors, (118), 2 states have call predecessors, (118), 3 states have return successors, (116), 3 states have call predecessors, (116), 2 states have call successors, (116) Word has length 1066 [2022-11-02 21:03:05,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:03:05,298 INFO L225 Difference]: With dead ends: 17695 [2022-11-02 21:03:05,298 INFO L226 Difference]: Without dead ends: 8904 [2022-11-02 21:03:05,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1065 GetRequests, 1062 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:03:05,340 INFO L413 NwaCegarLoop]: 6935 mSDtfsCounter, 130 mSDsluCounter, 20646 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 27581 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:03:05,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 27581 Invalid, 21 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:03:05,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8904 states. [2022-11-02 21:03:05,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8904 to 8832. [2022-11-02 21:03:05,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8832 states, 6032 states have (on average 1.285974801061008) internal successors, (7757), 6272 states have internal predecessors, (7757), 2232 states have call successors, (2232), 567 states have call predecessors, (2232), 567 states have return successors, (2468), 2083 states have call predecessors, (2468), 2230 states have call successors, (2468) [2022-11-02 21:03:05,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8832 states to 8832 states and 12457 transitions. [2022-11-02 21:03:05,876 INFO L78 Accepts]: Start accepts. Automaton has 8832 states and 12457 transitions. Word has length 1066 [2022-11-02 21:03:05,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:03:05,879 INFO L495 AbstractCegarLoop]: Abstraction has 8832 states and 12457 transitions. [2022-11-02 21:03:05,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 81.8) internal successors, (409), 4 states have internal predecessors, (409), 2 states have call successors, (118), 2 states have call predecessors, (118), 3 states have return successors, (116), 3 states have call predecessors, (116), 2 states have call successors, (116) [2022-11-02 21:03:05,880 INFO L276 IsEmpty]: Start isEmpty. Operand 8832 states and 12457 transitions. [2022-11-02 21:03:06,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1082 [2022-11-02 21:03:06,058 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:03:06,059 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 14, 14, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:03:06,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-02 21:03:06,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:03:06,271 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:03:06,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:03:06,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1909309866, now seen corresponding path program 1 times [2022-11-02 21:03:06,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:03:06,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356860216] [2022-11-02 21:03:06,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:03:06,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:03:07,047 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:03:07,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1259345238] [2022-11-02 21:03:07,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:03:07,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:03:07,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:03:07,050 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:03:07,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-02 21:03:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:03:13,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 21864 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 21:03:13,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:03:13,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4914 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4914 trivial. 0 not checked. [2022-11-02 21:03:13,878 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:03:13,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:03:13,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356860216] [2022-11-02 21:03:13,879 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 21:03:13,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259345238] [2022-11-02 21:03:13,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259345238] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:03:13,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:03:13,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:03:13,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015335374] [2022-11-02 21:03:13,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:03:13,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:03:13,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:03:13,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:03:13,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:03:13,885 INFO L87 Difference]: Start difference. First operand 8832 states and 12457 transitions. Second operand has 5 states, 5 states have (on average 79.4) internal successors, (397), 5 states have internal predecessors, (397), 1 states have call successors, (116), 1 states have call predecessors, (116), 1 states have return successors, (114), 1 states have call predecessors, (114), 1 states have call successors, (114) [2022-11-02 21:03:17,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:03:17,524 INFO L93 Difference]: Finished difference Result 23113 states and 33198 transitions. [2022-11-02 21:03:17,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:03:17,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 79.4) internal successors, (397), 5 states have internal predecessors, (397), 1 states have call successors, (116), 1 states have call predecessors, (116), 1 states have return successors, (114), 1 states have call predecessors, (114), 1 states have call successors, (114) Word has length 1081 [2022-11-02 21:03:17,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:03:17,645 INFO L225 Difference]: With dead ends: 23113 [2022-11-02 21:03:17,645 INFO L226 Difference]: Without dead ends: 14299 [2022-11-02 21:03:17,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1082 GetRequests, 1077 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 21:03:17,688 INFO L413 NwaCegarLoop]: 10899 mSDtfsCounter, 5503 mSDsluCounter, 27454 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1890 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5880 SdHoareTripleChecker+Valid, 38353 SdHoareTripleChecker+Invalid, 1908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1890 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-02 21:03:17,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5880 Valid, 38353 Invalid, 1908 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1890 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-02 21:03:17,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14299 states. [2022-11-02 21:03:18,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14299 to 8835. [2022-11-02 21:03:18,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8835 states, 6035 states have (on average 1.2858326429163214) internal successors, (7760), 6275 states have internal predecessors, (7760), 2232 states have call successors, (2232), 567 states have call predecessors, (2232), 567 states have return successors, (2468), 2083 states have call predecessors, (2468), 2230 states have call successors, (2468) [2022-11-02 21:03:18,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8835 states to 8835 states and 12460 transitions. [2022-11-02 21:03:18,551 INFO L78 Accepts]: Start accepts. Automaton has 8835 states and 12460 transitions. Word has length 1081 [2022-11-02 21:03:18,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:03:18,552 INFO L495 AbstractCegarLoop]: Abstraction has 8835 states and 12460 transitions. [2022-11-02 21:03:18,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 79.4) internal successors, (397), 5 states have internal predecessors, (397), 1 states have call successors, (116), 1 states have call predecessors, (116), 1 states have return successors, (114), 1 states have call predecessors, (114), 1 states have call successors, (114) [2022-11-02 21:03:18,553 INFO L276 IsEmpty]: Start isEmpty. Operand 8835 states and 12460 transitions. [2022-11-02 21:03:18,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1082 [2022-11-02 21:03:18,620 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:03:18,621 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 14, 14, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:03:18,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-02 21:03:18,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-02 21:03:18,847 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:03:18,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:03:18,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1393992024, now seen corresponding path program 1 times [2022-11-02 21:03:18,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:03:18,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972081224] [2022-11-02 21:03:18,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:03:18,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:03:19,570 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:03:19,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [977757614] [2022-11-02 21:03:19,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:03:19,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:03:19,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:03:19,573 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:03:19,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d3a4d0-b5c9-4e13-9fa6-c9b493c20c3c/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-02 21:03:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:03:26,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 21863 conjuncts, 76 conjunts are in the unsatisfiable core [2022-11-02 21:03:26,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:03:28,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4914 backedges. 1388 proven. 66 refuted. 0 times theorem prover too weak. 3460 trivial. 0 not checked. [2022-11-02 21:03:28,724 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:03:39,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4914 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4883 trivial. 0 not checked. [2022-11-02 21:03:39,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:03:39,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972081224] [2022-11-02 21:03:39,682 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 21:03:39,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977757614] [2022-11-02 21:03:39,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977757614] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-02 21:03:39,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 21:03:39,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2022-11-02 21:03:39,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322624430] [2022-11-02 21:03:39,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:03:39,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 21:03:39,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:03:39,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 21:03:39,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2022-11-02 21:03:39,687 INFO L87 Difference]: Start difference. First operand 8835 states and 12460 transitions. Second operand has 8 states, 8 states have (on average 50.125) internal successors, (401), 7 states have internal predecessors, (401), 4 states have call successors, (117), 3 states have call predecessors, (117), 4 states have return successors, (115), 6 states have call predecessors, (115), 4 states have call successors, (115) [2022-11-02 21:04:28,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:04:28,095 INFO L93 Difference]: Finished difference Result 29781 states and 44414 transitions. [2022-11-02 21:04:28,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-02 21:04:28,096 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 50.125) internal successors, (401), 7 states have internal predecessors, (401), 4 states have call successors, (117), 3 states have call predecessors, (117), 4 states have return successors, (115), 6 states have call predecessors, (115), 4 states have call successors, (115) Word has length 1081 [2022-11-02 21:04:28,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:04:28,270 INFO L225 Difference]: With dead ends: 29781 [2022-11-02 21:04:28,270 INFO L226 Difference]: Without dead ends: 20978 [2022-11-02 21:04:28,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2168 GetRequests, 2148 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=104, Invalid=358, Unknown=0, NotChecked=0, Total=462 [2022-11-02 21:04:28,331 INFO L413 NwaCegarLoop]: 8633 mSDtfsCounter, 16238 mSDsluCounter, 16223 mSDsCounter, 0 mSdLazyCounter, 22169 mSolverCounterSat, 4814 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17376 SdHoareTripleChecker+Valid, 24856 SdHoareTripleChecker+Invalid, 26983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 4814 IncrementalHoareTripleChecker+Valid, 22169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.5s IncrementalHoareTripleChecker+Time [2022-11-02 21:04:28,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17376 Valid, 24856 Invalid, 26983 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [4814 Valid, 22169 Invalid, 0 Unknown, 0 Unchecked, 45.5s Time] [2022-11-02 21:04:28,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20978 states.