./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/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_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-8393723 [2022-11-18 20:08:41,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:08:41,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:08:41,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:08:41,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:08:41,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:08:41,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:08:41,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:08:41,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:08:41,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:08:41,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:08:41,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:08:41,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:08:41,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:08:41,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:08:41,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:08:41,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:08:41,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:08:41,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:08:41,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:08:41,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:08:41,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:08:41,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:08:41,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:08:41,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:08:41,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:08:41,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:08:41,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:08:41,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:08:41,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:08:41,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:08:41,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:08:41,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:08:41,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:08:41,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:08:41,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:08:41,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:08:41,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:08:41,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:08:41,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:08:41,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:08:41,156 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:08:41,193 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:08:41,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:08:41,194 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:08:41,195 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:08:41,195 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:08:41,196 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:08:41,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:08:41,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:08:41,197 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:08:41,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:08:41,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:08:41,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:08:41,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:08:41,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:08:41,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:08:41,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:08:41,199 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:08:41,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:08:41,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:08:41,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:08:41,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:08:41,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:08:41,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:08:41,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:08:41,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:08:41,201 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:08:41,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:08:41,201 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:08:41,202 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:08:41,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:08:41,202 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_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48ae22c8c2494b96697ffe1db529f00fa4b52cdca22138b3bf77c84445f7f2f5 [2022-11-18 20:08:41,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:08:41,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:08:41,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:08:41,545 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:08:41,545 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:08:41,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2022-11-18 20:08:41,633 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/data/c784bd211/c483a92007924bfda29dac1b9e3453a2/FLAGf3b1fe930 [2022-11-18 20:08:43,004 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:08:43,005 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2022-11-18 20:08:43,130 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/data/c784bd211/c483a92007924bfda29dac1b9e3453a2/FLAGf3b1fe930 [2022-11-18 20:08:43,504 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/data/c784bd211/c483a92007924bfda29dac1b9e3453a2 [2022-11-18 20:08:43,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:08:43,508 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:08:43,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:08:43,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:08:43,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:08:43,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:08:43" (1/1) ... [2022-11-18 20:08:43,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d89169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:43, skipping insertion in model container [2022-11-18 20:08:43,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:08:43" (1/1) ... [2022-11-18 20:08:43,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:08:43,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:08:53,874 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[788938,788951] [2022-11-18 20:08:53,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:08:54,185 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:08:55,016 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[788938,788951] [2022-11-18 20:08:55,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:08:56,032 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:08:56,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:56 WrapperNode [2022-11-18 20:08:56,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:08:56,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:08:56,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:08:56,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:08:56,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:56" (1/1) ... [2022-11-18 20:08:56,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:56" (1/1) ... [2022-11-18 20:08:56,790 INFO L138 Inliner]: procedures = 926, calls = 12319, calls flagged for inlining = 543, calls inlined = 454, statements flattened = 18148 [2022-11-18 20:08:56,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:08:56,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:08:56,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:08:56,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:08:56,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:56" (1/1) ... [2022-11-18 20:08:56,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:56" (1/1) ... [2022-11-18 20:08:56,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:56" (1/1) ... [2022-11-18 20:08:56,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:56" (1/1) ... [2022-11-18 20:08:57,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:56" (1/1) ... [2022-11-18 20:08:57,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:56" (1/1) ... [2022-11-18 20:08:57,987 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:56" (1/1) ... [2022-11-18 20:08:58,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:56" (1/1) ... [2022-11-18 20:08:58,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:08:58,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:08:58,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:08:58,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:08:58,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:56" (1/1) ... [2022-11-18 20:08:58,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:08:58,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:58,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:58,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:08:58,365 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_coalesce [2022-11-18 20:08:58,366 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_coalesce [2022-11-18 20:08:58,366 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-18 20:08:58,366 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-18 20:08:58,366 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_owner [2022-11-18 20:08:58,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_owner [2022-11-18 20:08:58,367 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-18 20:08:58,367 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-18 20:08:58,367 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_watchdog [2022-11-18 20:08:58,367 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_watchdog [2022-11-18 20:08:58,367 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_filter [2022-11-18 20:08:58,368 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_filter [2022-11-18 20:08:58,368 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-18 20:08:58,368 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-18 20:08:58,368 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-18 20:08:58,368 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-18 20:08:58,368 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-18 20:08:58,369 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-18 20:08:58,369 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-18 20:08:58,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-18 20:08:58,369 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2022-11-18 20:08:58,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2022-11-18 20:08:58,370 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3___0 [2022-11-18 20:08:58,370 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3___0 [2022-11-18 20:08:58,370 INFO L130 BoogieDeclarations]: Found specification of procedure ehn_desc_tx_set_on_chain [2022-11-18 20:08:58,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ehn_desc_tx_set_on_chain [2022-11-18 20:08:58,370 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-18 20:08:58,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-18 20:08:58,371 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-18 20:08:58,371 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-18 20:08:58,371 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_probe [2022-11-18 20:08:58,371 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_probe [2022-11-18 20:08:58,371 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_poll_controller [2022-11-18 20:08:58,372 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_poll_controller [2022-11-18 20:08:58,372 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 20:08:58,372 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 20:08:58,372 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_suspend [2022-11-18 20:08:58,372 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_suspend [2022-11-18 20:08:58,372 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 20:08:58,373 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 20:08:58,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_19_2 [2022-11-18 20:08:58,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_19_2 [2022-11-18 20:08:58,374 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_operation_mode [2022-11-18 20:08:58,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_operation_mode [2022-11-18 20:08:58,374 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_ctrl_ane [2022-11-18 20:08:58,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_ctrl_ane [2022-11-18 20:08:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-18 20:08:58,375 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-18 20:08:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2022-11-18 20:08:58,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2022-11-18 20:08:58,376 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_16kib_bfsize [2022-11-18 20:08:58,376 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_16kib_bfsize [2022-11-18 20:08:58,376 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_timer [2022-11-18 20:08:58,376 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_timer [2022-11-18 20:08:58,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-18 20:08:58,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-18 20:08:58,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:08:58,378 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2022-11-18 20:08:58,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2022-11-18 20:08:58,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-18 20:08:58,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-18 20:08:58,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-18 20:08:58,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-18 20:08:58,379 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_release_tx_desc [2022-11-18 20:08:58,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_release_tx_desc [2022-11-18 20:08:58,380 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dump_regs [2022-11-18 20:08:58,380 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dump_regs [2022-11-18 20:08:58,381 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-18 20:08:58,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-18 20:08:58,381 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_mac_regs [2022-11-18 20:08:58,382 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_mac_regs [2022-11-18 20:08:58,382 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_ls [2022-11-18 20:08:58,383 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_ls [2022-11-18 20:08:58,383 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_close_tx_desc [2022-11-18 20:08:58,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_close_tx_desc [2022-11-18 20:08:58,383 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-18 20:08:58,383 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-18 20:08:58,383 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_core_init [2022-11-18 20:08:58,384 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_core_init [2022-11-18 20:08:58,384 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-11-18 20:08:58,384 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-11-18 20:08:58,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:08:58,384 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_tx_skbufs [2022-11-18 20:08:58,385 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_tx_skbufs [2022-11-18 20:08:58,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:08:58,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-18 20:08:58,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-18 20:08:58,385 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-18 20:08:58,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-18 20:08:58,386 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_ipc_enable [2022-11-18 20:08:58,386 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_ipc_enable [2022-11-18 20:08:58,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:08:58,387 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_status [2022-11-18 20:08:58,387 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_status [2022-11-18 20:08:58,387 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-18 20:08:58,388 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-18 20:08:58,388 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-18 20:08:58,388 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-18 20:08:58,389 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_adv [2022-11-18 20:08:58,389 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_adv [2022-11-18 20:08:58,389 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-18 20:08:58,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-18 20:08:58,389 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_fix_mac_speed [2022-11-18 20:08:58,390 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_fix_mac_speed [2022-11-18 20:08:58,390 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-18 20:08:58,390 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-18 20:08:58,390 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-18 20:08:58,390 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-18 20:08:58,390 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_addend [2022-11-18 20:08:58,391 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_addend [2022-11-18 20:08:58,391 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_transmission [2022-11-18 20:08:58,391 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_transmission [2022-11-18 20:08:58,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-18 20:08:58,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-18 20:08:58,392 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-18 20:08:58,392 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-18 20:08:58,392 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_suspend [2022-11-18 20:08:58,393 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_suspend [2022-11-18 20:08:58,393 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_pauseparam [2022-11-18 20:08:58,396 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_pauseparam [2022-11-18 20:08:58,396 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_free_rx_buffers [2022-11-18 20:08:58,396 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_free_rx_buffers [2022-11-18 20:08:58,396 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-18 20:08:58,398 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-18 20:08:58,399 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_dma_chain [2022-11-18 20:08:58,400 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_dma_chain [2022-11-18 20:08:58,400 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_frame_len [2022-11-18 20:08:58,400 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_frame_len [2022-11-18 20:08:58,406 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_rx_desc [2022-11-18 20:08:58,406 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_rx_desc [2022-11-18 20:08:58,406 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_interrupt [2022-11-18 20:08:58,407 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_interrupt [2022-11-18 20:08:58,407 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_rx_desc [2022-11-18 20:08:58,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_rx_desc [2022-11-18 20:08:58,407 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac_addr [2022-11-18 20:08:58,407 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac_addr [2022-11-18 20:08:58,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:08:58,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:08:58,408 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_status [2022-11-18 20:08:58,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_status [2022-11-18 20:08:58,408 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-18 20:08:58,408 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-18 20:08:58,408 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_reset_eee_mode [2022-11-18 20:08:58,408 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_reset_eee_mode [2022-11-18 20:08:58,409 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_enable_tx_timestamp [2022-11-18 20:08:58,409 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_enable_tx_timestamp [2022-11-18 20:08:58,409 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-11-18 20:08:58,409 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-11-18 20:08:58,409 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_rx_owner [2022-11-18 20:08:58,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_rx_owner [2022-11-18 20:08:58,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 20:08:58,410 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-18 20:08:58,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-18 20:08:58,410 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_display_ring [2022-11-18 20:08:58,410 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_display_ring [2022-11-18 20:08:58,410 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-11-18 20:08:58,411 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-11-18 20:08:58,411 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-18 20:08:58,411 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-18 20:08:58,411 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_timestamp_status [2022-11-18 20:08:58,411 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_timestamp_status [2022-11-18 20:08:58,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-18 20:08:58,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-18 20:08:58,412 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_pls [2022-11-18 20:08:58,412 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_pls [2022-11-18 20:08:58,412 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_enable_tx_timestamp [2022-11-18 20:08:58,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_enable_tx_timestamp [2022-11-18 20:08:58,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_29 [2022-11-18 20:08:58,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_29 [2022-11-18 20:08:58,413 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_rx_ipc_enable [2022-11-18 20:08:58,413 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_rx_ipc_enable [2022-11-18 20:08:58,413 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-18 20:08:58,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-18 20:08:58,413 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-18 20:08:58,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-18 20:08:58,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 20:08:58,414 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 20:08:58,414 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_rx_buffers [2022-11-18 20:08:58,414 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_rx_buffers [2022-11-18 20:08:58,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-18 20:08:58,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-18 20:08:58,415 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_setup [2022-11-18 20:08:58,415 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_setup [2022-11-18 20:08:58,415 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-11-18 20:08:58,415 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-11-18 20:08:58,415 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-18 20:08:58,415 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-18 20:08:58,416 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-18 20:08:58,416 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-18 20:08:58,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:08:58,416 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_umac_addr [2022-11-18 20:08:58,416 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_umac_addr [2022-11-18 20:08:58,418 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_len [2022-11-18 20:08:58,418 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_len [2022-11-18 20:08:58,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:08:58,418 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-18 20:08:58,418 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-18 20:08:58,419 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_pmt [2022-11-18 20:08:58,419 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_pmt [2022-11-18 20:08:58,419 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_timestamp_status [2022-11-18 20:08:58,419 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_timestamp_status [2022-11-18 20:08:58,419 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2022-11-18 20:08:58,419 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2022-11-18 20:08:58,420 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_release [2022-11-18 20:08:58,420 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_release [2022-11-18 20:08:58,420 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_irq [2022-11-18 20:08:58,420 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_irq [2022-11-18 20:08:58,420 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_timeout [2022-11-18 20:08:58,420 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_timeout [2022-11-18 20:08:58,421 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 20:08:58,421 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 20:08:58,421 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_systime [2022-11-18 20:08:58,421 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_systime [2022-11-18 20:08:58,421 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-18 20:08:58,421 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-18 20:08:58,421 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-18 20:08:58,422 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-18 20:08:58,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-18 20:08:58,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-18 20:08:58,422 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_time [2022-11-18 20:08:58,422 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_time [2022-11-18 20:08:58,422 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_core_init [2022-11-18 20:08:58,423 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_core_init [2022-11-18 20:08:58,423 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_hw_feature [2022-11-18 20:08:58,423 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_hw_feature [2022-11-18 20:08:58,423 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setsettings [2022-11-18 20:08:58,423 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setsettings [2022-11-18 20:08:58,423 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-18 20:08:58,423 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-18 20:08:58,424 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-18 20:08:58,424 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-18 20:08:58,424 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-18 20:08:58,424 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-18 20:08:58,424 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_rx_owner [2022-11-18 20:08:58,424 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_rx_owner [2022-11-18 20:08:58,425 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-18 20:08:58,425 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-18 20:08:58,425 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_ls [2022-11-18 20:08:58,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_ls [2022-11-18 20:08:58,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_2_5 [2022-11-18 20:08:58,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_2_5 [2022-11-18 20:08:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_init [2022-11-18 20:08:58,426 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_init [2022-11-18 20:08:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:08:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_filter [2022-11-18 20:08:58,427 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_filter [2022-11-18 20:08:58,431 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-18 20:08:58,431 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-18 20:08:58,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 20:08:58,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 20:08:58,431 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_jumbo_frm [2022-11-18 20:08:58,432 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_jumbo_frm [2022-11-18 20:08:58,432 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_freq [2022-11-18 20:08:58,432 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_freq [2022-11-18 20:08:58,432 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2022-11-18 20:08:58,433 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2022-11-18 20:08:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-11-18 20:08:58,433 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-11-18 20:08:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-18 20:08:58,434 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-18 20:08:58,434 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-18 20:08:58,434 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-18 20:08:58,434 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_time [2022-11-18 20:08:58,434 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_time [2022-11-18 20:08:58,434 INFO L130 BoogieDeclarations]: Found specification of procedure phy_stop [2022-11-18 20:08:58,434 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_stop [2022-11-18 20:08:58,435 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-11-18 20:08:58,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-11-18 20:08:58,435 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_release_tx_desc [2022-11-18 20:08:58,435 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_release_tx_desc [2022-11-18 20:08:58,435 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_timestamp_status [2022-11-18 20:08:58,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_timestamp_status [2022-11-18 20:08:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_mode [2022-11-18 20:08:58,436 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_mode [2022-11-18 20:08:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_eee_mode [2022-11-18 20:08:58,436 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_eee_mode [2022-11-18 20:08:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_remove [2022-11-18 20:08:58,436 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_remove [2022-11-18 20:08:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_tx_owner [2022-11-18 20:08:58,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_tx_owner [2022-11-18 20:08:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-18 20:08:58,437 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-18 20:08:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 20:08:58,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 20:08:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_remove [2022-11-18 20:08:58,438 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_remove [2022-11-18 20:08:58,438 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_len [2022-11-18 20:08:58,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_len [2022-11-18 20:08:58,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 20:08:58,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 20:08:58,438 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dma_interrupt [2022-11-18 20:08:58,438 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dma_interrupt [2022-11-18 20:08:58,439 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2022-11-18 20:08:58,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2022-11-18 20:08:58,439 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-18 20:08:58,439 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-18 20:08:58,439 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_status [2022-11-18 20:08:58,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_status [2022-11-18 20:08:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac [2022-11-18 20:08:58,440 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac [2022-11-18 20:08:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_resume [2022-11-18 20:08:58,440 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_resume [2022-11-18 20:08:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 20:08:58,440 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 20:08:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_desc3 [2022-11-18 20:08:58,441 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_desc3 [2022-11-18 20:08:58,441 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2022-11-18 20:08:58,441 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2022-11-18 20:08:58,441 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-18 20:08:58,441 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-18 20:08:58,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-18 20:08:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-18 20:08:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 20:08:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 20:08:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_mac_addr [2022-11-18 20:08:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_mac_addr [2022-11-18 20:08:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_flush_tx_fifo [2022-11-18 20:08:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_flush_tx_fifo [2022-11-18 20:08:58,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:08:58,443 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_open [2022-11-18 20:08:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_open [2022-11-18 20:08:58,443 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-18 20:08:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-18 20:08:58,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2022-11-18 20:08:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2022-11-18 20:08:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_owner [2022-11-18 20:08:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_owner [2022-11-18 20:08:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-18 20:08:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-18 20:08:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ts_info [2022-11-18 20:08:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ts_info [2022-11-18 20:08:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setmsglevel [2022-11-18 20:08:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setmsglevel [2022-11-18 20:08:58,445 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-18 20:08:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-18 20:08:58,445 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_get_regs_len [2022-11-18 20:08:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_get_regs_len [2022-11-18 20:08:58,445 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_prepare_tx_desc [2022-11-18 20:08:58,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_prepare_tx_desc [2022-11-18 20:08:58,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 20:08:58,446 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_timestamp_status [2022-11-18 20:08:58,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_timestamp_status [2022-11-18 20:08:58,446 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_hw_tstamping [2022-11-18 20:08:58,446 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_hw_tstamping [2022-11-18 20:08:58,446 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_flow_ctrl [2022-11-18 20:08:58,447 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_flow_ctrl [2022-11-18 20:08:58,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-18 20:08:58,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-18 20:08:58,447 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_link [2022-11-18 20:08:58,447 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_link [2022-11-18 20:08:58,447 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_eee_init [2022-11-18 20:08:58,447 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_eee_init [2022-11-18 20:08:58,448 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 20:08:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 20:08:58,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 20:08:58,448 INFO L130 BoogieDeclarations]: Found specification of procedure init_dma_desc_rings [2022-11-18 20:08:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure init_dma_desc_rings [2022-11-18 20:08:58,448 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-18 20:08:58,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-18 20:08:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_init [2022-11-18 20:08:58,449 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_init [2022-11-18 20:08:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 20:08:58,449 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 20:08:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-18 20:08:58,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-18 20:08:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_tx_owner [2022-11-18 20:08:58,450 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_tx_owner [2022-11-18 20:08:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-18 20:08:58,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-18 20:08:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_systime [2022-11-18 20:08:58,450 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_systime [2022-11-18 20:08:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2022-11-18 20:08:58,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2022-11-18 20:08:58,451 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_hw_features [2022-11-18 20:08:58,451 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_hw_features [2022-11-18 20:08:58,451 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-11-18 20:08:58,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-11-18 20:08:58,451 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_tx [2022-11-18 20:08:58,452 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_tx [2022-11-18 20:08:58,452 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-11-18 20:08:58,452 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-11-18 20:08:58,452 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_interrupt [2022-11-18 20:08:58,452 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_interrupt [2022-11-18 20:08:58,452 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_get_umac_addr [2022-11-18 20:08:58,453 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_get_umac_addr [2022-11-18 20:08:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_probe [2022-11-18 20:08:58,453 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_probe [2022-11-18 20:08:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-11-18 20:08:58,453 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-11-18 20:08:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-18 20:08:58,453 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-18 20:08:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_ext_status [2022-11-18 20:08:58,454 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_ext_status [2022-11-18 20:08:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_probe [2022-11-18 20:08:58,454 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_probe [2022-11-18 20:08:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_timestamp [2022-11-18 20:08:58,454 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_timestamp [2022-11-18 20:08:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-18 20:08:58,455 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-18 20:08:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_rx [2022-11-18 20:08:58,455 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_rx [2022-11-18 20:08:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_resume [2022-11-18 20:08:58,455 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_resume [2022-11-18 20:08:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_diagnostic_fr [2022-11-18 20:08:58,456 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_diagnostic_fr [2022-11-18 20:08:58,456 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_desc_resources [2022-11-18 20:08:58,456 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_desc_resources [2022-11-18 20:08:58,456 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_mdio_reset [2022-11-18 20:08:58,456 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_mdio_reset [2022-11-18 20:08:58,456 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3 [2022-11-18 20:08:58,457 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3 [2022-11-18 20:08:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 20:08:58,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 20:08:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable [2022-11-18 20:08:58,457 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable [2022-11-18 20:08:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_set_eee [2022-11-18 20:08:58,457 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_set_eee [2022-11-18 20:08:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-18 20:08:58,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-18 20:08:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_tx_desc [2022-11-18 20:08:58,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_tx_desc [2022-11-18 20:08:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_tx_desc [2022-11-18 20:08:58,458 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_tx_desc [2022-11-18 20:08:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_close_tx_desc [2022-11-18 20:08:58,459 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_close_tx_desc [2022-11-18 20:08:58,459 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_irq_status [2022-11-18 20:08:58,459 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_irq_status [2022-11-18 20:08:58,459 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_wol [2022-11-18 20:08:58,459 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_wol [2022-11-18 20:08:58,459 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_systime [2022-11-18 20:08:58,460 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_systime [2022-11-18 20:08:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_umac_addr [2022-11-18 20:08:58,460 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_umac_addr [2022-11-18 20:08:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_clear_tx_ic [2022-11-18 20:08:58,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_clear_tx_ic [2022-11-18 20:08:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-18 20:08:58,460 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-18 20:08:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-18 20:08:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-18 20:08:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-18 20:08:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-18 20:08:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_unregister_platform [2022-11-18 20:08:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_unregister_platform [2022-11-18 20:08:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_irq_status [2022-11-18 20:08:58,462 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_irq_status [2022-11-18 20:08:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_timestamp [2022-11-18 20:08:58,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_timestamp [2022-11-18 20:08:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_owner [2022-11-18 20:08:58,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_owner [2022-11-18 20:08:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 20:08:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 20:08:58,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 20:08:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_rx_mode [2022-11-18 20:08:58,463 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_rx_mode [2022-11-18 20:08:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-18 20:08:58,463 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-18 20:08:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-18 20:08:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-18 20:08:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-18 20:08:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-18 20:08:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_display_ring [2022-11-18 20:08:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_display_ring [2022-11-18 20:08:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-11-18 20:08:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-11-18 20:08:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getdrvinfo [2022-11-18 20:08:58,465 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getdrvinfo [2022-11-18 20:08:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_sub_second_increment [2022-11-18 20:08:58,465 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_sub_second_increment [2022-11-18 20:08:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-18 20:08:58,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-18 20:08:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_check_if_running [2022-11-18 20:08:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_check_if_running [2022-11-18 20:08:58,466 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_umac_addr [2022-11-18 20:08:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_umac_addr [2022-11-18 20:08:58,466 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_get_eee [2022-11-18 20:08:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_get_eee [2022-11-18 20:08:58,466 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_pmt [2022-11-18 20:08:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_pmt [2022-11-18 20:08:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-18 20:08:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-18 20:08:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-18 20:08:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-18 20:08:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-18 20:08:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-18 20:08:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2022-11-18 20:08:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2022-11-18 20:08:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_refill_desc3 [2022-11-18 20:08:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_refill_desc3 [2022-11-18 20:08:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clear_descriptors [2022-11-18 20:08:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clear_descriptors [2022-11-18 20:08:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-18 20:08:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-18 20:08:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_flow_ctrl [2022-11-18 20:08:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_flow_ctrl [2022-11-18 20:08:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:08:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_dma_cap_open [2022-11-18 20:08:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_dma_cap_open [2022-11-18 20:08:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2022-11-18 20:08:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2022-11-18 20:08:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-18 20:08:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-18 20:08:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-18 20:08:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-18 20:08:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-18 20:08:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-18 20:08:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-18 20:08:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-18 20:08:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_dma_irq [2022-11-18 20:08:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_dma_irq [2022-11-18 20:08:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-18 20:08:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-18 20:08:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-18 20:08:58,475 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-18 20:08:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-11-18 20:08:58,476 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-11-18 20:08:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2022-11-18 20:08:58,476 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2022-11-18 20:08:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_remove [2022-11-18 20:08:58,476 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_remove [2022-11-18 20:08:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_status [2022-11-18 20:08:58,477 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_status [2022-11-18 20:08:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_rx [2022-11-18 20:08:58,477 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_rx [2022-11-18 20:08:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-18 20:08:58,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-18 20:08:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 20:08:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 20:08:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_is_jumbo_frm [2022-11-18 20:08:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_is_jumbo_frm [2022-11-18 20:08:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-18 20:08:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-18 20:08:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_ring_open [2022-11-18 20:08:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_ring_open [2022-11-18 20:08:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_owner [2022-11-18 20:08:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_owner [2022-11-18 20:08:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-18 20:08:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-18 20:08:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq_byname [2022-11-18 20:08:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq_byname [2022-11-18 20:08:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_err [2022-11-18 20:08:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_err [2022-11-18 20:08:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-18 20:08:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-18 20:08:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_tx [2022-11-18 20:08:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_tx [2022-11-18 20:08:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-18 20:08:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-18 20:08:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_prepare_tx_desc [2022-11-18 20:08:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_prepare_tx_desc [2022-11-18 20:08:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_frame_len [2022-11-18 20:08:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_frame_len [2022-11-18 20:08:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_18 [2022-11-18 20:08:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_18 [2022-11-18 20:08:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_17 [2022-11-18 20:08:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_17 [2022-11-18 20:08:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_16 [2022-11-18 20:08:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_16 [2022-11-18 20:08:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-18 20:08:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-18 20:08:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_tx_set_on_chain [2022-11-18 20:08:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_tx_set_on_chain [2022-11-18 20:08:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_pauseparam [2022-11-18 20:08:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_pauseparam [2022-11-18 20:08:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-18 20:08:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-18 20:08:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-18 20:08:58,484 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-18 20:08:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_dma_regs [2022-11-18 20:08:58,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_dma_regs [2022-11-18 20:08:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-18 20:08:58,484 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-18 20:08:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getsettings [2022-11-18 20:08:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getsettings [2022-11-18 20:08:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 20:08:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 20:08:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 20:08:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 20:08:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_coalesce [2022-11-18 20:08:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_coalesce [2022-11-18 20:08:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-18 20:08:58,486 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-18 20:08:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_disable_dma_irq [2022-11-18 20:08:58,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_disable_dma_irq [2022-11-18 20:08:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_wol [2022-11-18 20:08:58,486 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_wol [2022-11-18 20:08:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_clear_tx_ic [2022-11-18 20:08:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_clear_tx_ic [2022-11-18 20:08:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:08:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-18 20:08:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-18 20:08:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config [2022-11-18 20:08:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config [2022-11-18 20:08:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_time [2022-11-18 20:08:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_time [2022-11-18 20:08:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-18 20:08:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-18 20:08:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-18 20:08:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-18 20:08:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_resume [2022-11-18 20:08:58,489 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_resume [2022-11-18 20:09:00,759 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:09:00,765 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:09:00,955 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 20:09:29,537 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:09:29,564 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:09:29,565 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:09:29,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:09:29 BoogieIcfgContainer [2022-11-18 20:09:29,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:09:29,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:09:29,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:09:29,579 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:09:29,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:08:43" (1/3) ... [2022-11-18 20:09:29,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d16f824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:09:29, skipping insertion in model container [2022-11-18 20:09:29,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:56" (2/3) ... [2022-11-18 20:09:29,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d16f824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:09:29, skipping insertion in model container [2022-11-18 20:09:29,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:09:29" (3/3) ... [2022-11-18 20:09:29,584 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2022-11-18 20:09:29,602 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:09:29,603 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:09:29,743 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:09:29,749 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;@11c1613b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:09:29,749 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:09:29,766 INFO L276 IsEmpty]: Start isEmpty. Operand has 5096 states, 3537 states have (on average 1.3203279615493355) internal successors, (4670), 3676 states have internal predecessors, (4670), 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) [2022-11-18 20:09:29,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-18 20:09:29,775 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:09:29,775 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] [2022-11-18 20:09:29,776 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] === [2022-11-18 20:09:29,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:09:29,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1384413492, now seen corresponding path program 1 times [2022-11-18 20:09:29,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:09:29,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040254819] [2022-11-18 20:09:29,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:09:29,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:09:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:33,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:09:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:33,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:33,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 20:09:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:33,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 20:09:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:33,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-18 20:09:33,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:09:33,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040254819] [2022-11-18 20:09:33,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040254819] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:09:33,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:09:33,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:09:33,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797481028] [2022-11-18 20:09:33,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:09:33,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:09:33,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:09:33,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:09:33,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:09:33,695 INFO L87 Difference]: Start difference. First operand has 5096 states, 3537 states have (on average 1.3203279615493355) internal successors, (4670), 3676 states have internal predecessors, (4670), 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) [2022-11-18 20:09:34,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:09:34,461 INFO L93 Difference]: Finished difference Result 10155 states and 14571 transitions. [2022-11-18 20:09:34,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:09:34,463 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 [2022-11-18 20:09:34,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:09:34,531 INFO L225 Difference]: With dead ends: 10155 [2022-11-18 20:09:34,532 INFO L226 Difference]: Without dead ends: 5074 [2022-11-18 20:09:34,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:09:34,572 INFO L413 NwaCegarLoop]: 7129 mSDtfsCounter, 7120 mSDsluCounter, 14255 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7122 SdHoareTripleChecker+Valid, 21384 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 [2022-11-18 20:09:34,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7122 Valid, 21384 Invalid, 10 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:09:34,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5074 states. [2022-11-18 20:09:34,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5074 to 5074. [2022-11-18 20:09:34,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5074 states, 3532 states have (on average 1.3020951302378256) internal successors, (4599), 3658 states have internal predecessors, (4599), 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) [2022-11-18 20:09:34,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5074 states to 5074 states and 7098 transitions. [2022-11-18 20:09:34,983 INFO L78 Accepts]: Start accepts. Automaton has 5074 states and 7098 transitions. Word has length 39 [2022-11-18 20:09:34,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:09:34,985 INFO L495 AbstractCegarLoop]: Abstraction has 5074 states and 7098 transitions. [2022-11-18 20:09:34,986 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) [2022-11-18 20:09:34,986 INFO L276 IsEmpty]: Start isEmpty. Operand 5074 states and 7098 transitions. [2022-11-18 20:09:34,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-18 20:09:34,990 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:09:34,991 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] [2022-11-18 20:09:34,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:09:34,991 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] === [2022-11-18 20:09:34,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:09:34,992 INFO L85 PathProgramCache]: Analyzing trace with hash 590949202, now seen corresponding path program 1 times [2022-11-18 20:09:34,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:09:34,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913784066] [2022-11-18 20:09:34,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:09:34,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:09:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:37,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:09:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:37,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:37,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 20:09:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:37,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 20:09:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:37,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 20:09:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:37,745 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-18 20:09:37,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:09:37,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913784066] [2022-11-18 20:09:37,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913784066] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:09:37,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:09:37,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:09:37,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650747811] [2022-11-18 20:09:37,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:09:37,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:09:37,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:09:37,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:09:37,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:09:37,755 INFO L87 Difference]: Start difference. First operand 5074 states and 7098 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) [2022-11-18 20:09:38,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:09:38,436 INFO L93 Difference]: Finished difference Result 10095 states and 14358 transitions. [2022-11-18 20:09:38,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:09:38,437 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 [2022-11-18 20:09:38,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:09:38,518 INFO L225 Difference]: With dead ends: 10095 [2022-11-18 20:09:38,518 INFO L226 Difference]: Without dead ends: 9036 [2022-11-18 20:09:38,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:09:38,534 INFO L413 NwaCegarLoop]: 8704 mSDtfsCounter, 7198 mSDsluCounter, 24536 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7198 SdHoareTripleChecker+Valid, 33240 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 [2022-11-18 20:09:38,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7198 Valid, 33240 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:09:38,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9036 states. [2022-11-18 20:09:39,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9036 to 9005. [2022-11-18 20:09:39,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9005 states, 6211 states have (on average 1.3018837546288842) internal successors, (8086), 6449 states have internal predecessors, (8086), 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) [2022-11-18 20:09:39,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9005 states to 9005 states and 12775 transitions. [2022-11-18 20:09:39,172 INFO L78 Accepts]: Start accepts. Automaton has 9005 states and 12775 transitions. Word has length 44 [2022-11-18 20:09:39,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:09:39,173 INFO L495 AbstractCegarLoop]: Abstraction has 9005 states and 12775 transitions. [2022-11-18 20:09:39,173 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) [2022-11-18 20:09:39,173 INFO L276 IsEmpty]: Start isEmpty. Operand 9005 states and 12775 transitions. [2022-11-18 20:09:39,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1055 [2022-11-18 20:09:39,295 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:09:39,298 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:09:39,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:09:39,298 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] === [2022-11-18 20:09:39,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:09:39,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1296799818, now seen corresponding path program 1 times [2022-11-18 20:09:39,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:09:39,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021112002] [2022-11-18 20:09:39,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:09:39,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:09:39,972 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:09:39,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1250119659] [2022-11-18 20:09:39,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:09:39,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:09:39,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:09:39,979 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:09:40,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 20:09:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:45,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 21790 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:09:46,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:09:46,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4773 backedges. 1515 proven. 0 refuted. 0 times theorem prover too weak. 3258 trivial. 0 not checked. [2022-11-18 20:09:46,193 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:09:46,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:09:46,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021112002] [2022-11-18 20:09:46,194 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:09:46,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250119659] [2022-11-18 20:09:46,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1250119659] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:09:46,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:09:46,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:09:46,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472112879] [2022-11-18 20:09:46,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:09:46,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:09:46,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:09:46,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:09:46,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:09:46,200 INFO L87 Difference]: Start difference. First operand 9005 states and 12775 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) [2022-11-18 20:09:47,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:09:47,009 INFO L93 Difference]: Finished difference Result 16832 states and 23797 transitions. [2022-11-18 20:09:47,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:09:47,011 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 1054 [2022-11-18 20:09:47,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:09:47,091 INFO L225 Difference]: With dead ends: 16832 [2022-11-18 20:09:47,091 INFO L226 Difference]: Without dead ends: 9009 [2022-11-18 20:09:47,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1055 GetRequests, 1049 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:09:47,136 INFO L413 NwaCegarLoop]: 7085 mSDtfsCounter, 19 mSDsluCounter, 28297 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 35382 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 [2022-11-18 20:09:47,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 35382 Invalid, 62 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:09:47,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9009 states. [2022-11-18 20:09:47,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9009 to 9009. [2022-11-18 20:09:47,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9009 states, 6213 states have (on average 1.3017865765330758) internal successors, (8088), 6452 states have internal predecessors, (8088), 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) [2022-11-18 20:09:47,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9009 states to 9009 states and 12781 transitions. [2022-11-18 20:09:47,703 INFO L78 Accepts]: Start accepts. Automaton has 9009 states and 12781 transitions. Word has length 1054 [2022-11-18 20:09:47,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:09:47,706 INFO L495 AbstractCegarLoop]: Abstraction has 9009 states and 12781 transitions. [2022-11-18 20:09:47,707 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) [2022-11-18 20:09:47,707 INFO L276 IsEmpty]: Start isEmpty. Operand 9009 states and 12781 transitions. [2022-11-18 20:09:47,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1059 [2022-11-18 20:09:47,847 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:09:47,849 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] [2022-11-18 20:09:47,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:09:48,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:09:48,075 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] === [2022-11-18 20:09:48,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:09:48,076 INFO L85 PathProgramCache]: Analyzing trace with hash 863720879, now seen corresponding path program 1 times [2022-11-18 20:09:48,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:09:48,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886926481] [2022-11-18 20:09:48,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:09:48,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:09:48,824 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:09:48,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1616130684] [2022-11-18 20:09:48,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:09:48,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:09:48,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:09:48,826 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:09:48,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 20:09:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:54,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 21820 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:09:54,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:09:54,582 INFO L134 CoverageAnalysis]: Checked inductivity of 4815 backedges. 1515 proven. 0 refuted. 0 times theorem prover too weak. 3300 trivial. 0 not checked. [2022-11-18 20:09:54,582 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:09:54,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:09:54,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886926481] [2022-11-18 20:09:54,583 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:09:54,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616130684] [2022-11-18 20:09:54,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616130684] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:09:54,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:09:54,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:09:54,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707528472] [2022-11-18 20:09:54,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:09:54,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:09:54,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:09:54,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:09:54,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:09:54,588 INFO L87 Difference]: Start difference. First operand 9009 states and 12781 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) [2022-11-18 20:09:55,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:09:55,369 INFO L93 Difference]: Finished difference Result 16840 states and 23808 transitions. [2022-11-18 20:09:55,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:09:55,370 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 [2022-11-18 20:09:55,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:09:55,457 INFO L225 Difference]: With dead ends: 16840 [2022-11-18 20:09:55,457 INFO L226 Difference]: Without dead ends: 9013 [2022-11-18 20:09:55,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1059 GetRequests, 1053 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:09:55,504 INFO L413 NwaCegarLoop]: 7086 mSDtfsCounter, 19 mSDsluCounter, 28303 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 35389 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 [2022-11-18 20:09:55,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 35389 Invalid, 55 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:09:55,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9013 states. [2022-11-18 20:09:55,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9013 to 9013. [2022-11-18 20:09:55,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9013 states, 6215 states have (on average 1.3016894609814964) internal successors, (8090), 6455 states have internal predecessors, (8090), 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) [2022-11-18 20:09:56,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9013 states to 9013 states and 12786 transitions. [2022-11-18 20:09:56,011 INFO L78 Accepts]: Start accepts. Automaton has 9013 states and 12786 transitions. Word has length 1058 [2022-11-18 20:09:56,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:09:56,012 INFO L495 AbstractCegarLoop]: Abstraction has 9013 states and 12786 transitions. [2022-11-18 20:09:56,013 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) [2022-11-18 20:09:56,013 INFO L276 IsEmpty]: Start isEmpty. Operand 9013 states and 12786 transitions. [2022-11-18 20:09:56,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 909 [2022-11-18 20:09:56,080 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:09:56,081 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 19, 19, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 7, 7, 5, 5, 2, 2, 2, 2, 2, 2, 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] [2022-11-18 20:09:56,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:09:56,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:09:56,307 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] === [2022-11-18 20:09:56,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:09:56,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1246791345, now seen corresponding path program 1 times [2022-11-18 20:09:56,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:09:56,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679781223] [2022-11-18 20:09:56,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:09:56,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:09:57,080 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:09:57,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [686855360] [2022-11-18 20:09:57,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:09:57,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:09:57,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:09:57,083 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:09:57,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 20:10:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:02,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 20491 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:10:02,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:10:02,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4532 backedges. 1784 proven. 0 refuted. 0 times theorem prover too weak. 2748 trivial. 0 not checked. [2022-11-18 20:10:02,652 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:10:02,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:10:02,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679781223] [2022-11-18 20:10:02,653 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:10:02,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686855360] [2022-11-18 20:10:02,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686855360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:10:02,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:10:02,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:10:02,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194961600] [2022-11-18 20:10:02,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:10:02,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:10:02,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:10:02,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:10:02,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:10:02,656 INFO L87 Difference]: Start difference. First operand 9013 states and 12786 transitions. Second operand has 5 states, 5 states have (on average 66.6) internal successors, (333), 4 states have internal predecessors, (333), 2 states have call successors, (113), 2 states have call predecessors, (113), 3 states have return successors, (111), 3 states have call predecessors, (111), 2 states have call successors, (111) [2022-11-18 20:10:03,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:10:03,175 INFO L93 Difference]: Finished difference Result 18073 states and 26144 transitions. [2022-11-18 20:10:03,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:10:03,176 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 66.6) internal successors, (333), 4 states have internal predecessors, (333), 2 states have call successors, (113), 2 states have call predecessors, (113), 3 states have return successors, (111), 3 states have call predecessors, (111), 2 states have call successors, (111) Word has length 908 [2022-11-18 20:10:03,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:10:03,233 INFO L225 Difference]: With dead ends: 18073 [2022-11-18 20:10:03,233 INFO L226 Difference]: Without dead ends: 9093 [2022-11-18 20:10:03,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 907 GetRequests, 904 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:10:03,282 INFO L413 NwaCegarLoop]: 7114 mSDtfsCounter, 148 mSDsluCounter, 21162 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 28276 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 [2022-11-18 20:10:03,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 28276 Invalid, 21 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:10:03,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9093 states. [2022-11-18 20:10:03,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9021. [2022-11-18 20:10:03,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9021 states, 6221 states have (on average 1.3013984889889085) internal successors, (8096), 6461 states have internal predecessors, (8096), 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) [2022-11-18 20:10:03,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9021 states to 9021 states and 12796 transitions. [2022-11-18 20:10:03,756 INFO L78 Accepts]: Start accepts. Automaton has 9021 states and 12796 transitions. Word has length 908 [2022-11-18 20:10:03,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:10:03,758 INFO L495 AbstractCegarLoop]: Abstraction has 9021 states and 12796 transitions. [2022-11-18 20:10:03,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 66.6) internal successors, (333), 4 states have internal predecessors, (333), 2 states have call successors, (113), 2 states have call predecessors, (113), 3 states have return successors, (111), 3 states have call predecessors, (111), 2 states have call successors, (111) [2022-11-18 20:10:03,758 INFO L276 IsEmpty]: Start isEmpty. Operand 9021 states and 12796 transitions. [2022-11-18 20:10:03,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1082 [2022-11-18 20:10:03,826 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:10:03,827 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] [2022-11-18 20:10:03,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:10:04,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:10:04,047 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] === [2022-11-18 20:10:04,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:10:04,048 INFO L85 PathProgramCache]: Analyzing trace with hash 911815071, now seen corresponding path program 1 times [2022-11-18 20:10:04,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:10:04,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217611272] [2022-11-18 20:10:04,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:10:04,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:10:04,841 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:10:04,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1720123525] [2022-11-18 20:10:04,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:10:04,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:10:04,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:10:04,843 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:10:04,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 20:10:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:10,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 21955 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-18 20:10:10,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:10:10,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4914 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 4591 trivial. 0 not checked. [2022-11-18 20:10:10,755 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:10:10,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:10:10,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217611272] [2022-11-18 20:10:10,755 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:10:10,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720123525] [2022-11-18 20:10:10,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720123525] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:10:10,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:10:10,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-11-18 20:10:10,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052786598] [2022-11-18 20:10:10,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:10:10,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-18 20:10:10,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:10:10,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-18 20:10:10,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-11-18 20:10:10,759 INFO L87 Difference]: Start difference. First operand 9021 states and 12796 transitions. Second operand has 15 states, 14 states have (on average 28.928571428571427) internal successors, (405), 14 states have internal predecessors, (405), 4 states have call successors, (116), 2 states have call predecessors, (116), 4 states have return successors, (114), 4 states have call predecessors, (114), 4 states have call successors, (114) [2022-11-18 20:10:12,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:10:12,616 INFO L93 Difference]: Finished difference Result 18056 states and 25611 transitions. [2022-11-18 20:10:12,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-18 20:10:12,618 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 28.928571428571427) internal successors, (405), 14 states have internal predecessors, (405), 4 states have call successors, (116), 2 states have call predecessors, (116), 4 states have return successors, (114), 4 states have call predecessors, (114), 4 states have call successors, (114) Word has length 1081 [2022-11-18 20:10:12,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:10:12,675 INFO L225 Difference]: With dead ends: 18056 [2022-11-18 20:10:12,675 INFO L226 Difference]: Without dead ends: 9015 [2022-11-18 20:10:12,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1094 GetRequests, 1067 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=161, Invalid=651, Unknown=0, NotChecked=0, Total=812 [2022-11-18 20:10:12,704 INFO L413 NwaCegarLoop]: 7059 mSDtfsCounter, 55 mSDsluCounter, 91625 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 98684 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-18 20:10:12,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 98684 Invalid, 696 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [29 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-18 20:10:12,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9015 states. [2022-11-18 20:10:13,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9015 to 9015. [2022-11-18 20:10:13,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9015 states, 6217 states have (on average 1.3011098600611228) internal successors, (8089), 6456 states have internal predecessors, (8089), 2231 states have call successors, (2231), 566 states have call predecessors, (2231), 566 states have return successors, (2467), 2082 states have call predecessors, (2467), 2229 states have call successors, (2467) [2022-11-18 20:10:13,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9015 states to 9015 states and 12787 transitions. [2022-11-18 20:10:13,134 INFO L78 Accepts]: Start accepts. Automaton has 9015 states and 12787 transitions. Word has length 1081 [2022-11-18 20:10:13,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:10:13,135 INFO L495 AbstractCegarLoop]: Abstraction has 9015 states and 12787 transitions. [2022-11-18 20:10:13,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 28.928571428571427) internal successors, (405), 14 states have internal predecessors, (405), 4 states have call successors, (116), 2 states have call predecessors, (116), 4 states have return successors, (114), 4 states have call predecessors, (114), 4 states have call successors, (114) [2022-11-18 20:10:13,136 INFO L276 IsEmpty]: Start isEmpty. Operand 9015 states and 12787 transitions. [2022-11-18 20:10:13,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1088 [2022-11-18 20:10:13,201 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:10:13,202 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:10:13,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:10:13,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:10:13,415 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] === [2022-11-18 20:10:13,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:10:13,416 INFO L85 PathProgramCache]: Analyzing trace with hash -227910013, now seen corresponding path program 1 times [2022-11-18 20:10:13,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:10:13,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140980967] [2022-11-18 20:10:13,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:10:13,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:10:14,018 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:10:14,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1343780464] [2022-11-18 20:10:14,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:10:14,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:10:14,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:10:14,020 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:10:14,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 20:10:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:20,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 22003 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:10:20,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:10:20,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4899 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4899 trivial. 0 not checked. [2022-11-18 20:10:20,181 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:10:20,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:10:20,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140980967] [2022-11-18 20:10:20,182 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:10:20,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343780464] [2022-11-18 20:10:20,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343780464] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:10:20,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:10:20,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:10:20,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753140319] [2022-11-18 20:10:20,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:10:20,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:10:20,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:10:20,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:10:20,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:10:20,187 INFO L87 Difference]: Start difference. First operand 9015 states and 12787 transitions. Second operand has 5 states, 5 states have (on average 80.6) internal successors, (403), 5 states have internal predecessors, (403), 1 states have call successors, (117), 1 states have call predecessors, (117), 1 states have return successors, (115), 1 states have call predecessors, (115), 1 states have call successors, (115) [2022-11-18 20:10:20,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:10:20,773 INFO L93 Difference]: Finished difference Result 18020 states and 25563 transitions. [2022-11-18 20:10:20,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:10:20,774 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 80.6) internal successors, (403), 5 states have internal predecessors, (403), 1 states have call successors, (117), 1 states have call predecessors, (117), 1 states have return successors, (115), 1 states have call predecessors, (115), 1 states have call successors, (115) Word has length 1087 [2022-11-18 20:10:20,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:10:20,826 INFO L225 Difference]: With dead ends: 18020 [2022-11-18 20:10:20,826 INFO L226 Difference]: Without dead ends: 9015 [2022-11-18 20:10:20,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1088 GetRequests, 1083 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:10:20,862 INFO L413 NwaCegarLoop]: 7084 mSDtfsCounter, 3 mSDsluCounter, 21244 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 28328 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:10:20,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 28328 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:10:20,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9015 states. [2022-11-18 20:10:21,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9015 to 9015. [2022-11-18 20:10:21,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9015 states, 6217 states have (on average 1.300949010776902) internal successors, (8088), 6456 states have internal predecessors, (8088), 2231 states have call successors, (2231), 566 states have call predecessors, (2231), 566 states have return successors, (2467), 2082 states have call predecessors, (2467), 2229 states have call successors, (2467) [2022-11-18 20:10:21,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9015 states to 9015 states and 12786 transitions. [2022-11-18 20:10:21,291 INFO L78 Accepts]: Start accepts. Automaton has 9015 states and 12786 transitions. Word has length 1087 [2022-11-18 20:10:21,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:10:21,291 INFO L495 AbstractCegarLoop]: Abstraction has 9015 states and 12786 transitions. [2022-11-18 20:10:21,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 80.6) internal successors, (403), 5 states have internal predecessors, (403), 1 states have call successors, (117), 1 states have call predecessors, (117), 1 states have return successors, (115), 1 states have call predecessors, (115), 1 states have call successors, (115) [2022-11-18 20:10:21,292 INFO L276 IsEmpty]: Start isEmpty. Operand 9015 states and 12786 transitions. [2022-11-18 20:10:21,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1088 [2022-11-18 20:10:21,351 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:10:21,352 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:10:21,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:10:21,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-18 20:10:21,571 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:10:21,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:10:21,572 INFO L85 PathProgramCache]: Analyzing trace with hash -904766527, now seen corresponding path program 1 times [2022-11-18 20:10:21,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:10:21,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835983379] [2022-11-18 20:10:21,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:10:21,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:10:22,148 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:10:22,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2031556375] [2022-11-18 20:10:22,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:10:22,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:10:22,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:10:22,150 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:10:22,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 20:10:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:27,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 22004 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-18 20:10:27,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:10:27,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4899 backedges. 1484 proven. 0 refuted. 0 times theorem prover too weak. 3415 trivial. 0 not checked. [2022-11-18 20:10:27,957 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:10:27,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:10:27,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835983379] [2022-11-18 20:10:27,957 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:10:27,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031556375] [2022-11-18 20:10:27,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031556375] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:10:27,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:10:27,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-18 20:10:27,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406885583] [2022-11-18 20:10:27,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:10:27,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 20:10:27,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:10:27,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 20:10:27,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:10:27,961 INFO L87 Difference]: Start difference. First operand 9015 states and 12786 transitions. Second operand has 10 states, 10 states have (on average 42.0) internal successors, (420), 7 states have internal predecessors, (420), 2 states have call successors, (121), 2 states have call predecessors, (121), 5 states have return successors, (119), 5 states have call predecessors, (119), 2 states have call successors, (119) [2022-11-18 20:10:28,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:10:28,833 INFO L93 Difference]: Finished difference Result 18015 states and 26116 transitions. [2022-11-18 20:10:28,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 20:10:28,834 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 42.0) internal successors, (420), 7 states have internal predecessors, (420), 2 states have call successors, (121), 2 states have call predecessors, (121), 5 states have return successors, (119), 5 states have call predecessors, (119), 2 states have call successors, (119) Word has length 1087 [2022-11-18 20:10:28,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:10:28,888 INFO L225 Difference]: With dead ends: 18015 [2022-11-18 20:10:28,888 INFO L226 Difference]: Without dead ends: 9027 [2022-11-18 20:10:28,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1087 GetRequests, 1078 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:10:28,928 INFO L413 NwaCegarLoop]: 7087 mSDtfsCounter, 2 mSDsluCounter, 56635 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 63722 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:10:28,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 63722 Invalid, 106 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:10:28,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9027 states. [2022-11-18 20:10:29,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9027 to 9027. [2022-11-18 20:10:29,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9027 states, 6227 states have (on average 1.300465713826883) internal successors, (8098), 6466 states have internal predecessors, (8098), 2231 states have call successors, (2231), 566 states have call predecessors, (2231), 568 states have return successors, (2559), 2084 states have call predecessors, (2559), 2229 states have call successors, (2559) [2022-11-18 20:10:29,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9027 states to 9027 states and 12888 transitions. [2022-11-18 20:10:29,428 INFO L78 Accepts]: Start accepts. Automaton has 9027 states and 12888 transitions. Word has length 1087 [2022-11-18 20:10:29,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:10:29,430 INFO L495 AbstractCegarLoop]: Abstraction has 9027 states and 12888 transitions. [2022-11-18 20:10:29,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 42.0) internal successors, (420), 7 states have internal predecessors, (420), 2 states have call successors, (121), 2 states have call predecessors, (121), 5 states have return successors, (119), 5 states have call predecessors, (119), 2 states have call successors, (119) [2022-11-18 20:10:29,430 INFO L276 IsEmpty]: Start isEmpty. Operand 9027 states and 12888 transitions. [2022-11-18 20:10:29,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1086 [2022-11-18 20:10:29,485 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:10:29,486 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, 1, 1, 1, 1] [2022-11-18 20:10:29,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:10:29,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:10:29,699 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:10:29,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:10:29,700 INFO L85 PathProgramCache]: Analyzing trace with hash 166330900, now seen corresponding path program 1 times [2022-11-18 20:10:29,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:10:29,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122618444] [2022-11-18 20:10:29,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:10:29,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:10:30,265 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:10:30,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1033463226] [2022-11-18 20:10:30,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:10:30,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:10:30,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:10:30,402 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:10:30,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 20:10:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:36,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 21997 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-18 20:10:36,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:10:36,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4914 backedges. 1484 proven. 0 refuted. 0 times theorem prover too weak. 3430 trivial. 0 not checked. [2022-11-18 20:10:36,338 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:10:36,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:10:36,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122618444] [2022-11-18 20:10:36,338 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:10:36,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033463226] [2022-11-18 20:10:36,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033463226] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:10:36,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:10:36,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-18 20:10:36,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581102982] [2022-11-18 20:10:36,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:10:36,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 20:10:36,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:10:36,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 20:10:36,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:10:36,342 INFO L87 Difference]: Start difference. First operand 9027 states and 12888 transitions. Second operand has 10 states, 10 states have (on average 41.8) internal successors, (418), 7 states have internal predecessors, (418), 2 states have call successors, (120), 2 states have call predecessors, (120), 5 states have return successors, (118), 5 states have call predecessors, (118), 2 states have call successors, (118) [2022-11-18 20:10:37,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:10:37,112 INFO L93 Difference]: Finished difference Result 18037 states and 26408 transitions. [2022-11-18 20:10:37,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 20:10:37,113 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 41.8) internal successors, (418), 7 states have internal predecessors, (418), 2 states have call successors, (120), 2 states have call predecessors, (120), 5 states have return successors, (118), 5 states have call predecessors, (118), 2 states have call successors, (118) Word has length 1085 [2022-11-18 20:10:37,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:10:37,172 INFO L225 Difference]: With dead ends: 18037 [2022-11-18 20:10:37,172 INFO L226 Difference]: Without dead ends: 9037 [2022-11-18 20:10:37,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1085 GetRequests, 1076 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:10:37,216 INFO L413 NwaCegarLoop]: 7103 mSDtfsCounter, 2 mSDsluCounter, 56758 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 63861 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:10:37,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 63861 Invalid, 110 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:10:37,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9037 states. [2022-11-18 20:10:37,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9037 to 9027. [2022-11-18 20:10:37,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9027 states, 6227 states have (on average 1.300465713826883) internal successors, (8098), 6466 states have internal predecessors, (8098), 2231 states have call successors, (2231), 566 states have call predecessors, (2231), 568 states have return successors, (2559), 2084 states have call predecessors, (2559), 2229 states have call successors, (2559) [2022-11-18 20:10:37,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9027 states to 9027 states and 12888 transitions. [2022-11-18 20:10:37,627 INFO L78 Accepts]: Start accepts. Automaton has 9027 states and 12888 transitions. Word has length 1085 [2022-11-18 20:10:37,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:10:37,629 INFO L495 AbstractCegarLoop]: Abstraction has 9027 states and 12888 transitions. [2022-11-18 20:10:37,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 41.8) internal successors, (418), 7 states have internal predecessors, (418), 2 states have call successors, (120), 2 states have call predecessors, (120), 5 states have return successors, (118), 5 states have call predecessors, (118), 2 states have call successors, (118) [2022-11-18 20:10:37,629 INFO L276 IsEmpty]: Start isEmpty. Operand 9027 states and 12888 transitions. [2022-11-18 20:10:37,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1088 [2022-11-18 20:10:37,683 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:10:37,684 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:10:37,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:10:37,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:10:37,904 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:10:37,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:10:37,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1876491391, now seen corresponding path program 1 times [2022-11-18 20:10:37,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:10:37,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558535838] [2022-11-18 20:10:37,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:10:37,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:10:38,615 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:10:38,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1563656396] [2022-11-18 20:10:38,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:10:38,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:10:38,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:10:38,617 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:10:38,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-18 20:10:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:48,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 21989 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:10:48,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:10:48,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4899 backedges. 1526 proven. 0 refuted. 0 times theorem prover too weak. 3373 trivial. 0 not checked. [2022-11-18 20:10:48,614 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:10:48,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:10:48,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558535838] [2022-11-18 20:10:48,614 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:10:48,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563656396] [2022-11-18 20:10:48,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563656396] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:10:48,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:10:48,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:10:48,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853947376] [2022-11-18 20:10:48,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:10:48,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:10:48,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:10:48,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:10:48,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:10:48,621 INFO L87 Difference]: Start difference. First operand 9027 states and 12888 transitions. Second operand has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 2 states have call successors, (121), 2 states have call predecessors, (121), 2 states have return successors, (119), 2 states have call predecessors, (119), 2 states have call successors, (119) [2022-11-18 20:10:48,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:10:48,986 INFO L93 Difference]: Finished difference Result 18039 states and 26326 transitions. [2022-11-18 20:10:48,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:10:48,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 2 states have call successors, (121), 2 states have call predecessors, (121), 2 states have return successors, (119), 2 states have call predecessors, (119), 2 states have call successors, (119) Word has length 1087 [2022-11-18 20:10:48,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:10:49,038 INFO L225 Difference]: With dead ends: 18039 [2022-11-18 20:10:49,038 INFO L226 Difference]: Without dead ends: 9039 [2022-11-18 20:10:49,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1086 GetRequests, 1085 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:10:49,080 INFO L413 NwaCegarLoop]: 7084 mSDtfsCounter, 10 mSDsluCounter, 7073 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 14157 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:10:49,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 14157 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:10:49,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9039 states. [2022-11-18 20:10:49,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9039 to 9029. [2022-11-18 20:10:49,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9029 states, 6229 states have (on average 1.3003692406485792) internal successors, (8100), 6468 states have internal predecessors, (8100), 2231 states have call successors, (2231), 566 states have call predecessors, (2231), 568 states have return successors, (2559), 2084 states have call predecessors, (2559), 2229 states have call successors, (2559) [2022-11-18 20:10:49,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9029 states to 9029 states and 12890 transitions. [2022-11-18 20:10:49,491 INFO L78 Accepts]: Start accepts. Automaton has 9029 states and 12890 transitions. Word has length 1087 [2022-11-18 20:10:49,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:10:49,493 INFO L495 AbstractCegarLoop]: Abstraction has 9029 states and 12890 transitions. [2022-11-18 20:10:49,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 2 states have call successors, (121), 2 states have call predecessors, (121), 2 states have return successors, (119), 2 states have call predecessors, (119), 2 states have call successors, (119) [2022-11-18 20:10:49,493 INFO L276 IsEmpty]: Start isEmpty. Operand 9029 states and 12890 transitions. [2022-11-18 20:10:49,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1091 [2022-11-18 20:10:49,548 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:10:49,548 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:10:49,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:10:49,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-18 20:10:49,763 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:10:49,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:10:49,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1710537897, now seen corresponding path program 1 times [2022-11-18 20:10:49,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:10:49,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802076422] [2022-11-18 20:10:49,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:10:49,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:10:50,420 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:10:50,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [668369026] [2022-11-18 20:10:50,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:10:50,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:10:50,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:10:50,423 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:10:50,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096d9354-4a1c-4e7b-b2c8-905c844cb922/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process