./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f39c8c-2ce1-4328-969b-aa6467ee9051/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f39c8c-2ce1-4328-969b-aa6467ee9051/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f39c8c-2ce1-4328-969b-aa6467ee9051/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f39c8c-2ce1-4328-969b-aa6467ee9051/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f39c8c-2ce1-4328-969b-aa6467ee9051/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f39c8c-2ce1-4328-969b-aa6467ee9051/bin/uautomizer-J5u9QxTXDZ --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 2d96d66163c8e8d61a2fa90f8dc8359a87f83533e82cd74c25a40ad0f5e1f460 --- 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-dbf71c6-m [2022-10-17 10:36:54,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:36:54,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:36:54,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:36:54,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:36:54,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:36:54,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:36:54,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:36:54,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:36:54,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:36:54,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:36:54,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:36:54,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:36:54,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:36:54,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:36:54,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:36:54,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:36:54,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:36:54,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:36:54,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:36:54,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:36:54,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:36:54,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:36:54,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:36:54,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:36:54,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:36:54,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:36:54,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:36:54,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:36:54,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:36:54,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:36:54,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:36:54,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:36:54,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:36:54,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:36:54,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:36:54,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:36:54,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:36:54,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:36:54,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:36:54,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:36:54,293 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f39c8c-2ce1-4328-969b-aa6467ee9051/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:36:54,336 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:36:54,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:36:54,337 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:36:54,337 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:36:54,338 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:36:54,338 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:36:54,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:36:54,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:36:54,339 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:36:54,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:36:54,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:36:54,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:36:54,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:36:54,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:36:54,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:36:54,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:36:54,341 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:36:54,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:36:54,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:36:54,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:36:54,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:36:54,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:36:54,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:36:54,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:36:54,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:36:54,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:36:54,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:36:54,343 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:36:54,344 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:36:54,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:36:54,344 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_03f39c8c-2ce1-4328-969b-aa6467ee9051/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f39c8c-2ce1-4328-969b-aa6467ee9051/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d96d66163c8e8d61a2fa90f8dc8359a87f83533e82cd74c25a40ad0f5e1f460 [2022-10-17 10:36:54,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:36:54,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:36:54,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:36:54,653 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:36:54,654 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:36:54,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f39c8c-2ce1-4328-969b-aa6467ee9051/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i [2022-10-17 10:36:54,716 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f39c8c-2ce1-4328-969b-aa6467ee9051/bin/uautomizer-J5u9QxTXDZ/data/a9abaa330/51e38a9d65dc469b9106e76ef0b1abdc/FLAG9cb8e2071 [2022-10-17 10:36:55,648 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:36:55,650 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f39c8c-2ce1-4328-969b-aa6467ee9051/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i [2022-10-17 10:36:55,714 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f39c8c-2ce1-4328-969b-aa6467ee9051/bin/uautomizer-J5u9QxTXDZ/data/a9abaa330/51e38a9d65dc469b9106e76ef0b1abdc/FLAG9cb8e2071 [2022-10-17 10:36:56,040 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f39c8c-2ce1-4328-969b-aa6467ee9051/bin/uautomizer-J5u9QxTXDZ/data/a9abaa330/51e38a9d65dc469b9106e76ef0b1abdc [2022-10-17 10:36:56,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:36:56,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:36:56,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:36:56,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:36:56,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:36:56,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:36:56" (1/1) ... [2022-10-17 10:36:56,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ddb72c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:56, skipping insertion in model container [2022-10-17 10:36:56,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:36:56" (1/1) ... [2022-10-17 10:36:56,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:36:56,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:36:58,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f39c8c-2ce1-4328-969b-aa6467ee9051/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i[282309,282322] [2022-10-17 10:36:58,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:36:58,756 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:36:59,220 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f39c8c-2ce1-4328-969b-aa6467ee9051/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i[282309,282322] [2022-10-17 10:36:59,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:36:59,430 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:36:59,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:59 WrapperNode [2022-10-17 10:36:59,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:36:59,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:36:59,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:36:59,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:36:59,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:59" (1/1) ... [2022-10-17 10:36:59,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:59" (1/1) ... [2022-10-17 10:36:59,791 INFO L138 Inliner]: procedures = 347, calls = 1404, calls flagged for inlining = 224, calls inlined = 207, statements flattened = 3964 [2022-10-17 10:36:59,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:36:59,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:36:59,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:36:59,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:36:59,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:59" (1/1) ... [2022-10-17 10:36:59,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:59" (1/1) ... [2022-10-17 10:36:59,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:59" (1/1) ... [2022-10-17 10:36:59,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:59" (1/1) ... [2022-10-17 10:36:59,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:59" (1/1) ... [2022-10-17 10:36:59,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:59" (1/1) ... [2022-10-17 10:37:00,016 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:59" (1/1) ... [2022-10-17 10:37:00,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:59" (1/1) ... [2022-10-17 10:37:00,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:37:00,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:37:00,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:37:00,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:37:00,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:59" (1/1) ... [2022-10-17 10:37:00,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:37:00,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f39c8c-2ce1-4328-969b-aa6467ee9051/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:37:00,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f39c8c-2ce1-4328-969b-aa6467ee9051/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:37:00,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f39c8c-2ce1-4328-969b-aa6467ee9051/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:37:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-10-17 10:37:00,160 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-10-17 10:37:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:37:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:37:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:37:00,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:37:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:37:00,161 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:37:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-10-17 10:37:00,161 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-10-17 10:37:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_read_bd [2022-10-17 10:37:00,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_read_bd [2022-10-17 10:37:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-17 10:37:00,162 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-17 10:37:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:37:00,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:37:00,163 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-10-17 10:37:00,163 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_mdio_poll [2022-10-17 10:37:00,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_mdio_poll [2022-10-17 10:37:00,163 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-10-17 10:37:00,163 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-10-17 10:37:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-17 10:37:00,164 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-17 10:37:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 10:37:00,164 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 10:37:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_stop [2022-10-17 10:37:00,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_stop [2022-10-17 10:37:00,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:37:00,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_15 [2022-10-17 10:37:00,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_15 [2022-10-17 10:37:00,165 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_ack_irq [2022-10-17 10:37:00,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_ack_irq [2022-10-17 10:37:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-17 10:37:00,166 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-17 10:37:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:37:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:37:00,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 10:37:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-17 10:37:00,167 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-17 10:37:00,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:37:00,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:37:00,168 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-10-17 10:37:00,168 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-10-17 10:37:00,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:37:00,168 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_get_regs_len [2022-10-17 10:37:00,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_get_regs_len [2022-10-17 10:37:00,169 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_read [2022-10-17 10:37:00,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_read [2022-10-17 10:37:00,169 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-10-17 10:37:00,169 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-10-17 10:37:00,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:37:00,170 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_disable_rx_and_tx [2022-10-17 10:37:00,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_disable_rx_and_tx [2022-10-17 10:37:00,170 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_do_set_mac_address [2022-10-17 10:37:00,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_do_set_mac_address [2022-10-17 10:37:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_enable_rx_and_tx [2022-10-17 10:37:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_enable_rx_and_tx [2022-10-17 10:37:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_init_ring [2022-10-17 10:37:00,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_init_ring [2022-10-17 10:37:00,173 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_nocache [2022-10-17 10:37:00,173 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_nocache [2022-10-17 10:37:00,173 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 10:37:00,173 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 10:37:00,173 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 10:37:00,174 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 10:37:00,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 10:37:00,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 10:37:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2022-10-17 10:37:00,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2022-10-17 10:37:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:37:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:37:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 10:37:00,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 10:37:00,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:37:00,177 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-17 10:37:00,177 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-17 10:37:00,177 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 10:37:00,178 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 10:37:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:37:00,178 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:37:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-10-17 10:37:00,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-10-17 10:37:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_interrupt [2022-10-17 10:37:00,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_interrupt [2022-10-17 10:37:00,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-17 10:37:00,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-17 10:37:00,179 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 10:37:00,179 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 10:37:00,179 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:37:00,180 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:37:00,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:37:00,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:37:00,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:37:00,181 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_probe [2022-10-17 10:37:00,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_probe [2022-10-17 10:37:00,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:37:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure __devm_request_region [2022-10-17 10:37:00,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __devm_request_region [2022-10-17 10:37:00,183 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_resume [2022-10-17 10:37:00,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_resume [2022-10-17 10:37:00,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-17 10:37:00,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-17 10:37:00,184 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-10-17 10:37:00,184 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-10-17 10:37:00,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-17 10:37:00,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-17 10:37:00,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-10-17 10:37:00,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-10-17 10:37:00,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:37:00,185 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-10-17 10:37:00,185 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-10-17 10:37:00,186 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_write_bd [2022-10-17 10:37:00,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_write_bd [2022-10-17 10:37:00,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 10:37:00,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 10:37:00,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:37:00,186 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 10:37:00,187 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_write [2022-10-17 10:37:00,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_write [2022-10-17 10:37:00,190 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:37:00,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:37:00,191 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:37:00,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:37:00,192 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-10-17 10:37:00,193 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-10-17 10:37:00,194 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_enable_irq [2022-10-17 10:37:00,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_enable_irq [2022-10-17 10:37:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_open [2022-10-17 10:37:00,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_open [2022-10-17 10:37:00,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 10:37:00,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 10:37:00,202 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_disable_irq [2022-10-17 10:37:00,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_disable_irq [2022-10-17 10:37:00,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-17 10:37:00,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-17 10:37:00,202 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_remove [2022-10-17 10:37:00,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_remove [2022-10-17 10:37:00,203 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 10:37:00,203 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 10:37:00,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:37:00,203 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-10-17 10:37:00,203 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-10-17 10:37:00,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 10:37:00,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 10:37:00,204 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_tx_timeout [2022-10-17 10:37:00,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_tx_timeout [2022-10-17 10:37:00,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:37:00,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:37:01,025 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:37:01,031 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:37:01,375 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:37:19,469 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 10:37:19,644 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:37:19,662 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:37:19,662 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 10:37:19,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:37:19 BoogieIcfgContainer [2022-10-17 10:37:19,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:37:19,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:37:19,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:37:19,673 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:37:19,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:36:56" (1/3) ... [2022-10-17 10:37:19,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@676ea941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:37:19, skipping insertion in model container [2022-10-17 10:37:19,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:59" (2/3) ... [2022-10-17 10:37:19,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@676ea941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:37:19, skipping insertion in model container [2022-10-17 10:37:19,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:37:19" (3/3) ... [2022-10-17 10:37:19,676 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i [2022-10-17 10:37:19,694 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:37:19,695 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:37:19,797 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:37:19,805 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;@6b8ba47e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:37:19,805 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:37:19,817 INFO L276 IsEmpty]: Start isEmpty. Operand has 1422 states, 1058 states have (on average 1.3128544423440454) internal successors, (1389), 1072 states have internal predecessors, (1389), 299 states have call successors, (299), 65 states have call predecessors, (299), 64 states have return successors, (292), 290 states have call predecessors, (292), 292 states have call successors, (292) [2022-10-17 10:37:19,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-10-17 10:37:19,851 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:37:19,852 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:37:19,853 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] === [2022-10-17 10:37:19,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:37:19,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1578665141, now seen corresponding path program 1 times [2022-10-17 10:37:19,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:37:19,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865645640] [2022-10-17 10:37:19,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:37:19,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:37:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:37:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:37:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:37:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:37:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:37:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:37:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:37:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:37:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:37:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-17 10:37:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-17 10:37:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-17 10:37:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-17 10:37:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-17 10:37:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:21,369 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-10-17 10:37:21,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:37:21,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865645640] [2022-10-17 10:37:21,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865645640] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:37:21,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:37:21,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:37:21,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083604547] [2022-10-17 10:37:21,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:37:21,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:37:21,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:37:21,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:37:21,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:37:21,416 INFO L87 Difference]: Start difference. First operand has 1422 states, 1058 states have (on average 1.3128544423440454) internal successors, (1389), 1072 states have internal predecessors, (1389), 299 states have call successors, (299), 65 states have call predecessors, (299), 64 states have return successors, (292), 290 states have call predecessors, (292), 292 states have call successors, (292) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-10-17 10:37:23,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 10:37:25,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []