./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-cadence-macb.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_79f7b288-89ea-42a8-a30a-bb0f9da28111/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f7b288-89ea-42a8-a30a-bb0f9da28111/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_79f7b288-89ea-42a8-a30a-bb0f9da28111/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f7b288-89ea-42a8-a30a-bb0f9da28111/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f7b288-89ea-42a8-a30a-bb0f9da28111/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_79f7b288-89ea-42a8-a30a-bb0f9da28111/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 dc0241e7c40235715d7f33abd33c740b0c60d48c0a8a0992cf99bd2d48b4ffd0 --- 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 10:11:03,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:11:03,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:11:03,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:11:03,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:11:03,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:11:03,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:11:03,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:11:03,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:11:03,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:11:03,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:11:03,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:11:03,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:11:03,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:11:03,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:11:03,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:11:03,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:11:03,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:11:03,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:11:03,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:11:03,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:11:03,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:11:03,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:11:03,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:11:03,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:11:03,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:11:03,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:11:03,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:11:03,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:11:03,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:11:03,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:11:03,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:11:03,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:11:03,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:11:03,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:11:03,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:11:03,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:11:03,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:11:03,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:11:03,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:11:03,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:11:03,193 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f7b288-89ea-42a8-a30a-bb0f9da28111/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:11:03,237 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:11:03,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:11:03,238 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:11:03,238 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:11:03,239 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:11:03,239 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:11:03,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:11:03,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:11:03,240 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:11:03,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:11:03,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:11:03,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:11:03,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:11:03,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:11:03,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:11:03,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:11:03,242 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:11:03,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:11:03,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:11:03,243 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:11:03,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:11:03,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:11:03,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:11:03,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:11:03,244 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:11:03,244 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:11:03,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:11:03,244 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:11:03,245 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:11:03,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:11:03,245 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_79f7b288-89ea-42a8-a30a-bb0f9da28111/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f7b288-89ea-42a8-a30a-bb0f9da28111/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc0241e7c40235715d7f33abd33c740b0c60d48c0a8a0992cf99bd2d48b4ffd0 [2022-10-17 10:11:03,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:11:03,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:11:03,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:11:03,541 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:11:03,542 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:11:03,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f7b288-89ea-42a8-a30a-bb0f9da28111/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-10-17 10:11:03,622 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f7b288-89ea-42a8-a30a-bb0f9da28111/bin/uautomizer-J5u9QxTXDZ/data/8aeb0e2bf/e0c5df0792004a5c9c211e69d1cdaa90/FLAG2df3d392b [2022-10-17 10:11:04,573 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:11:04,577 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f7b288-89ea-42a8-a30a-bb0f9da28111/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-10-17 10:11:04,636 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f7b288-89ea-42a8-a30a-bb0f9da28111/bin/uautomizer-J5u9QxTXDZ/data/8aeb0e2bf/e0c5df0792004a5c9c211e69d1cdaa90/FLAG2df3d392b [2022-10-17 10:11:04,951 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f7b288-89ea-42a8-a30a-bb0f9da28111/bin/uautomizer-J5u9QxTXDZ/data/8aeb0e2bf/e0c5df0792004a5c9c211e69d1cdaa90 [2022-10-17 10:11:04,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:11:04,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:11:04,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:11:04,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:11:04,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:11:04,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:11:04" (1/1) ... [2022-10-17 10:11:04,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72f3b0b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:04, skipping insertion in model container [2022-10-17 10:11:04,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:11:04" (1/1) ... [2022-10-17 10:11:04,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:11:05,106 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:11:08,428 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_79f7b288-89ea-42a8-a30a-bb0f9da28111/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[336326,336339] [2022-10-17 10:11:08,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:11:08,495 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:11:08,934 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_79f7b288-89ea-42a8-a30a-bb0f9da28111/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[336326,336339] [2022-10-17 10:11:08,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:11:09,205 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:11:09,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:09 WrapperNode [2022-10-17 10:11:09,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:11:09,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:11:09,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:11:09,208 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:11:09,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:09" (1/1) ... [2022-10-17 10:11:09,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:09" (1/1) ... [2022-10-17 10:11:09,598 INFO L138 Inliner]: procedures = 426, calls = 2216, calls flagged for inlining = 256, calls inlined = 245, statements flattened = 6328 [2022-10-17 10:11:09,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:11:09,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:11:09,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:11:09,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:11:09,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:09" (1/1) ... [2022-10-17 10:11:09,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:09" (1/1) ... [2022-10-17 10:11:09,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:09" (1/1) ... [2022-10-17 10:11:09,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:09" (1/1) ... [2022-10-17 10:11:09,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:09" (1/1) ... [2022-10-17 10:11:09,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:09" (1/1) ... [2022-10-17 10:11:09,930 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:09" (1/1) ... [2022-10-17 10:11:09,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:09" (1/1) ... [2022-10-17 10:11:10,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:11:10,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:11:10,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:11:10,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:11:10,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:09" (1/1) ... [2022-10-17 10:11:10,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:11:10,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f7b288-89ea-42a8-a30a-bb0f9da28111/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:11:10,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f7b288-89ea-42a8-a30a-bb0f9da28111/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:11:10,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f7b288-89ea-42a8-a30a-bb0f9da28111/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:11:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:11:10,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:11:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-10-17 10:11:10,099 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-10-17 10:11:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-17 10:11:10,099 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-17 10:11:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:11:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:11:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2022-10-17 10:11:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2022-10-17 10:11:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-10-17 10:11:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-10-17 10:11:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-17 10:11:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-17 10:11:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-17 10:11:10,101 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-17 10:11:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2022-10-17 10:11:10,102 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2022-10-17 10:11:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_regs_len [2022-10-17 10:11:10,102 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_regs_len [2022-10-17 10:11:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:11:10,102 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:11:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure macb_probe [2022-10-17 10:11:10,102 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_probe [2022-10-17 10:11:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:11:10,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 10:11:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-17 10:11:10,103 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-17 10:11:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-17 10:11:10,103 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-17 10:11:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:11:10,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:11:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-10-17 10:11:10,104 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-10-17 10:11:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:11:10,104 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:11:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:11:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure macb_remove [2022-10-17 10:11:10,104 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_remove [2022-10-17 10:11:10,105 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 10:11:10,105 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 10:11:10,105 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-10-17 10:11:10,105 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-10-17 10:11:10,105 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 10:11:10,105 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 10:11:10,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:11:10,106 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2022-10-17 10:11:10,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2022-10-17 10:11:10,106 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-17 10:11:10,106 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-17 10:11:10,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-10-17 10:11:10,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-10-17 10:11:10,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:11:10,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 10:11:10,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 10:11:10,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:11:10,108 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-17 10:11:10,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-17 10:11:10,109 INFO L130 BoogieDeclarations]: Found specification of procedure macb_free_consistent [2022-10-17 10:11:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_free_consistent [2022-10-17 10:11:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:11:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:11:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-10-17 10:11:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-10-17 10:11:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-10-17 10:11:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-10-17 10:11:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure macb_open [2022-10-17 10:11:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_open [2022-10-17 10:11:10,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-17 10:11:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-17 10:11:10,112 INFO L130 BoogieDeclarations]: Found specification of procedure macb_alloc_consistent [2022-10-17 10:11:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_alloc_consistent [2022-10-17 10:11:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure macb_resume [2022-10-17 10:11:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_resume [2022-10-17 10:11:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:11:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-17 10:11:10,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-17 10:11:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-17 10:11:10,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-17 10:11:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-10-17 10:11:10,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-10-17 10:11:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-10-17 10:11:10,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-10-17 10:11:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure macb_is_gem [2022-10-17 10:11:10,115 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_is_gem [2022-10-17 10:11:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-10-17 10:11:10,115 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-10-17 10:11:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:11:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 10:11:10,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 10:11:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure macb_rx_ring_wrap [2022-10-17 10:11:10,116 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_rx_ring_wrap [2022-10-17 10:11:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:11:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:11:10,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:11:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:11:10,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:11:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-10-17 10:11:10,118 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-10-17 10:11:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:11:10,118 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:11:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-17 10:11:10,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-17 10:11:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 10:11:10,119 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 10:11:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2022-10-17 10:11:10,119 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2022-10-17 10:11:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-10-17 10:11:10,119 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-10-17 10:11:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:11:10,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:11:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 10:11:10,120 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 10:11:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-10-17 10:11:10,120 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-10-17 10:11:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:11:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:11:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:11:10,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:11:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-10-17 10:11:10,124 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-10-17 10:11:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure phy_find_first [2022-10-17 10:11:10,124 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_find_first [2022-10-17 10:11:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-10-17 10:11:10,125 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-10-17 10:11:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_ring_wrap [2022-10-17 10:11:10,126 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_ring_wrap [2022-10-17 10:11:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-10-17 10:11:10,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-10-17 10:11:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_17 [2022-10-17 10:11:10,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_17 [2022-10-17 10:11:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2022-10-17 10:11:10,133 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2022-10-17 10:11:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 10:11:10,133 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 10:11:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure macb_handle_link_change [2022-10-17 10:11:10,133 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_handle_link_change [2022-10-17 10:11:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2022-10-17 10:11:10,133 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2022-10-17 10:11:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_14 [2022-10-17 10:11:10,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_14 [2022-10-17 10:11:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_16 [2022-10-17 10:11:10,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_16 [2022-10-17 10:11:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_15 [2022-10-17 10:11:10,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_15 [2022-10-17 10:11:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure macb_close [2022-10-17 10:11:10,134 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_close [2022-10-17 10:11:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mdc_clk_div [2022-10-17 10:11:10,134 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mdc_clk_div [2022-10-17 10:11:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-10-17 10:11:10,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-10-17 10:11:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 10:11:10,135 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 10:11:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_19 [2022-10-17 10:11:10,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_19 [2022-10-17 10:11:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:11:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-10-17 10:11:10,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-10-17 10:11:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-10-17 10:11:10,136 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-10-17 10:11:10,136 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-17 10:11:10,136 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-17 10:11:10,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2022-10-17 10:11:10,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2022-10-17 10:11:10,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:11:10,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_20 [2022-10-17 10:11:10,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_20 [2022-10-17 10:11:10,136 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2022-10-17 10:11:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2022-10-17 10:11:10,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:11:10,137 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2022-10-17 10:11:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2022-10-17 10:11:10,137 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_desc [2022-10-17 10:11:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_desc [2022-10-17 10:11:10,137 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-10-17 10:11:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-10-17 10:11:10,137 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-17 10:11:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-17 10:11:10,138 INFO L130 BoogieDeclarations]: Found specification of procedure macb_reset_hw [2022-10-17 10:11:10,138 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_reset_hw [2022-10-17 10:11:10,138 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 10:11:10,138 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 10:11:10,138 INFO L130 BoogieDeclarations]: Found specification of procedure macb_suspend [2022-10-17 10:11:10,138 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_suspend [2022-10-17 10:11:10,138 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2022-10-17 10:11:10,138 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2022-10-17 10:11:10,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 10:11:10,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 10:11:10,139 INFO L130 BoogieDeclarations]: Found specification of procedure macb_dbw [2022-10-17 10:11:10,139 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_dbw [2022-10-17 10:11:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-17 10:11:10,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-17 10:11:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-10-17 10:11:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-10-17 10:11:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-17 10:11:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-17 10:11:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 10:11:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 10:11:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure devm_pinctrl_put [2022-10-17 10:11:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_pinctrl_put [2022-10-17 10:11:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 10:11:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 10:11:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:11:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:11:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:11:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:11:10,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:11:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure gem_rx_refill [2022-10-17 10:11:10,143 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_rx_refill [2022-10-17 10:11:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-10-17 10:11:10,143 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-10-17 10:11:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_dma [2022-10-17 10:11:10,143 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_dma [2022-10-17 10:11:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_skb [2022-10-17 10:11:10,143 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_skb [2022-10-17 10:11:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure macb_interrupt [2022-10-17 10:11:10,144 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_interrupt [2022-10-17 10:11:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-17 10:11:10,144 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-17 10:11:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-10-17 10:11:10,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-10-17 10:11:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 10:11:10,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 10:11:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-10-17 10:11:10,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-10-17 10:11:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-10-17 10:11:10,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-10-17 10:11:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:11:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 10:11:10,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 10:11:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-10-17 10:11:10,145 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-10-17 10:11:11,201 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:11:11,211 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:11:11,346 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:11:17,482 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 10:11:17,662 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:11:17,702 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:11:17,706 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:11:17,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:11:17 BoogieIcfgContainer [2022-10-17 10:11:17,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:11:17,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:11:17,716 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:11:17,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:11:17,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:11:04" (1/3) ... [2022-10-17 10:11:17,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b9dc2c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:11:17, skipping insertion in model container [2022-10-17 10:11:17,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:09" (2/3) ... [2022-10-17 10:11:17,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b9dc2c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:11:17, skipping insertion in model container [2022-10-17 10:11:17,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:11:17" (3/3) ... [2022-10-17 10:11:17,730 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-10-17 10:11:17,749 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:11:17,749 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:11:17,869 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:11:17,876 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;@1a8e154f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:11:17,876 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:11:17,889 INFO L276 IsEmpty]: Start isEmpty. Operand has 2267 states, 1637 states have (on average 1.3194868662186927) internal successors, (2160), 1655 states have internal predecessors, (2160), 522 states have call successors, (522), 108 states have call predecessors, (522), 107 states have return successors, (515), 510 states have call predecessors, (515), 515 states have call successors, (515) [2022-10-17 10:11:17,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-10-17 10:11:17,909 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:11:17,910 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:11:17,910 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 10:11:17,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:11:17,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1174308418, now seen corresponding path program 1 times [2022-10-17 10:11:17,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:11:17,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847847351] [2022-10-17 10:11:17,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:11:17,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:11:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:18,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:11:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:18,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:11:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:18,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:11:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:19,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:11:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:19,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:11:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:19,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:11:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:19,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:11:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:19,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:11:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:19,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:11:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:19,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:11:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:19,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:11:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:19,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:11:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:19,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:11:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:19,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:11:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:19,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:11:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:19,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:11:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:19,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:11:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:19,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:11:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:19,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-17 10:11:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:19,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:11:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:19,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-17 10:11:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:19,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:11:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:19,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-17 10:11:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:19,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-17 10:11:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:19,409 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2022-10-17 10:11:19,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:11:19,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847847351] [2022-10-17 10:11:19,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847847351] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:11:19,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:11:19,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:11:19,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77493194] [2022-10-17 10:11:19,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:11:19,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:11:19,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:11:19,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:11:19,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:11:19,474 INFO L87 Difference]: Start difference. First operand has 2267 states, 1637 states have (on average 1.3194868662186927) internal successors, (2160), 1655 states have internal predecessors, (2160), 522 states have call successors, (522), 108 states have call predecessors, (522), 107 states have return successors, (515), 510 states have call predecessors, (515), 515 states have call successors, (515) Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-10-17 10:11:26,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:11:26,180 INFO L93 Difference]: Finished difference Result 6901 states and 9950 transitions. [2022-10-17 10:11:26,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:11:26,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 145 [2022-10-17 10:11:26,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:11:26,269 INFO L225 Difference]: With dead ends: 6901 [2022-10-17 10:11:26,269 INFO L226 Difference]: Without dead ends: 4649 [2022-10-17 10:11:26,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:11:26,306 INFO L413 NwaCegarLoop]: 3308 mSDtfsCounter, 4422 mSDsluCounter, 3118 mSDsCounter, 0 mSdLazyCounter, 2382 mSolverCounterSat, 1710 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4875 SdHoareTripleChecker+Valid, 6426 SdHoareTripleChecker+Invalid, 4092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1710 IncrementalHoareTripleChecker+Valid, 2382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-10-17 10:11:26,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4875 Valid, 6426 Invalid, 4092 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1710 Valid, 2382 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-10-17 10:11:26,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4649 states. [2022-10-17 10:11:26,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4649 to 4423. [2022-10-17 10:11:26,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4423 states, 3209 states have (on average 1.2692427547522593) internal successors, (4073), 3245 states have internal predecessors, (4073), 1002 states have call successors, (1002), 212 states have call predecessors, (1002), 211 states have return successors, (999), 989 states have call predecessors, (999), 999 states have call successors, (999) [2022-10-17 10:11:26,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4423 states to 4423 states and 6074 transitions. [2022-10-17 10:11:26,782 INFO L78 Accepts]: Start accepts. Automaton has 4423 states and 6074 transitions. Word has length 145 [2022-10-17 10:11:26,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:11:26,787 INFO L495 AbstractCegarLoop]: Abstraction has 4423 states and 6074 transitions. [2022-10-17 10:11:26,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-10-17 10:11:26,787 INFO L276 IsEmpty]: Start isEmpty. Operand 4423 states and 6074 transitions. [2022-10-17 10:11:26,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-10-17 10:11:26,866 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:11:26,867 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 4, 4, 4, 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] [2022-10-17 10:11:26,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:11:26,867 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] === [2022-10-17 10:11:26,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:11:26,868 INFO L85 PathProgramCache]: Analyzing trace with hash -124006090, now seen corresponding path program 1 times [2022-10-17 10:11:26,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:11:26,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488102973] [2022-10-17 10:11:26,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:11:26,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:11:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:11:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:11:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:11:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:11:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:11:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:11:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:11:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:11:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:11:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:11:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:11:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:11:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:11:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:11:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:11:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:11:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:11:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:11:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-17 10:11:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:11:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-17 10:11:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:11:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-17 10:11:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-17 10:11:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-17 10:11:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-10-17 10:11:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-10-17 10:11:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:11:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-10-17 10:11:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-17 10:11:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-10-17 10:11:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:11:27,691 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2022-10-17 10:11:27,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:11:27,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488102973] [2022-10-17 10:11:27,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488102973] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:11:27,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:11:27,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:11:27,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975229750] [2022-10-17 10:11:27,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:11:27,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:11:27,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:11:27,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:11:27,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:11:27,697 INFO L87 Difference]: Start difference. First operand 4423 states and 6074 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21)