./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.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_81bc75b9-3e3c-4c77-bef7-b45608004a1f/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bc75b9-3e3c-4c77-bef7-b45608004a1f/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_81bc75b9-3e3c-4c77-bef7-b45608004a1f/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bc75b9-3e3c-4c77-bef7-b45608004a1f/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bc75b9-3e3c-4c77-bef7-b45608004a1f/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_81bc75b9-3e3c-4c77-bef7-b45608004a1f/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 5918e2cb9aded5213ccd497319a252a597f09d9a74a83e549234325009250b56 --- 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 10:45:48,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:45:48,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:45:48,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:45:48,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:45:48,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:45:48,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:45:48,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:45:48,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:45:48,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:45:48,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:45:48,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:45:48,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:45:48,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:45:48,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:45:48,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:45:48,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:45:48,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:45:48,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:45:48,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:45:48,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:45:48,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:45:48,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:45:48,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:45:48,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:45:48,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:45:48,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:45:48,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:45:48,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:45:48,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:45:48,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:45:48,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:45:48,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:45:48,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:45:48,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:45:48,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:45:48,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:45:48,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:45:48,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:45:48,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:45:48,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:45:48,185 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bc75b9-3e3c-4c77-bef7-b45608004a1f/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:45:48,213 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:45:48,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:45:48,218 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:45:48,219 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:45:48,220 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:45:48,220 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:45:48,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:45:48,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:45:48,221 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:45:48,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:45:48,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:45:48,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:45:48,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:45:48,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:45:48,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:45:48,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:45:48,224 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:45:48,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:45:48,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:45:48,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:45:48,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:45:48,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:45:48,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:45:48,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:45:48,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:45:48,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:45:48,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:45:48,227 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:45:48,227 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:45:48,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:45:48,227 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_81bc75b9-3e3c-4c77-bef7-b45608004a1f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bc75b9-3e3c-4c77-bef7-b45608004a1f/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5918e2cb9aded5213ccd497319a252a597f09d9a74a83e549234325009250b56 [2022-10-17 10:45:48,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:45:48,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:45:48,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:45:48,549 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:45:48,550 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:45:48,552 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bc75b9-3e3c-4c77-bef7-b45608004a1f/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2022-10-17 10:45:48,619 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bc75b9-3e3c-4c77-bef7-b45608004a1f/bin/uautomizer-J5u9QxTXDZ/data/5dc9e52d6/9edaf03435264f0eaa556a3b1dd49fd3/FLAGad519391f [2022-10-17 10:45:49,529 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:45:49,530 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bc75b9-3e3c-4c77-bef7-b45608004a1f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2022-10-17 10:45:49,591 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bc75b9-3e3c-4c77-bef7-b45608004a1f/bin/uautomizer-J5u9QxTXDZ/data/5dc9e52d6/9edaf03435264f0eaa556a3b1dd49fd3/FLAGad519391f [2022-10-17 10:45:49,922 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bc75b9-3e3c-4c77-bef7-b45608004a1f/bin/uautomizer-J5u9QxTXDZ/data/5dc9e52d6/9edaf03435264f0eaa556a3b1dd49fd3 [2022-10-17 10:45:49,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:45:49,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:45:49,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:45:49,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:45:49,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:45:49,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:45:49" (1/1) ... [2022-10-17 10:45:49,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ccace0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:49, skipping insertion in model container [2022-10-17 10:45:49,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:45:49" (1/1) ... [2022-10-17 10:45:49,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:45:50,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:45:53,521 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_81bc75b9-3e3c-4c77-bef7-b45608004a1f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411224,411237] [2022-10-17 10:45:53,524 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_81bc75b9-3e3c-4c77-bef7-b45608004a1f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411371,411384] [2022-10-17 10:45:53,524 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_81bc75b9-3e3c-4c77-bef7-b45608004a1f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411510,411523] [2022-10-17 10:45:53,525 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_81bc75b9-3e3c-4c77-bef7-b45608004a1f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411668,411681] [2022-10-17 10:45:53,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:45:53,636 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:45:54,195 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_81bc75b9-3e3c-4c77-bef7-b45608004a1f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411224,411237] [2022-10-17 10:45:54,196 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_81bc75b9-3e3c-4c77-bef7-b45608004a1f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411371,411384] [2022-10-17 10:45:54,197 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_81bc75b9-3e3c-4c77-bef7-b45608004a1f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411510,411523] [2022-10-17 10:45:54,197 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_81bc75b9-3e3c-4c77-bef7-b45608004a1f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411668,411681] [2022-10-17 10:45:54,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:45:54,542 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:45:54,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:54 WrapperNode [2022-10-17 10:45:54,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:45:54,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:45:54,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:45:54,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:45:54,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:54" (1/1) ... [2022-10-17 10:45:54,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:54" (1/1) ... [2022-10-17 10:45:55,078 INFO L138 Inliner]: procedures = 428, calls = 4109, calls flagged for inlining = 225, calls inlined = 216, statements flattened = 8751 [2022-10-17 10:45:55,078 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:45:55,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:45:55,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:45:55,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:45:55,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:54" (1/1) ... [2022-10-17 10:45:55,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:54" (1/1) ... [2022-10-17 10:45:55,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:54" (1/1) ... [2022-10-17 10:45:55,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:54" (1/1) ... [2022-10-17 10:45:55,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:54" (1/1) ... [2022-10-17 10:45:55,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:54" (1/1) ... [2022-10-17 10:45:55,393 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:54" (1/1) ... [2022-10-17 10:45:55,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:54" (1/1) ... [2022-10-17 10:45:55,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:45:55,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:45:55,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:45:55,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:45:55,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:54" (1/1) ... [2022-10-17 10:45:55,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:45:55,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bc75b9-3e3c-4c77-bef7-b45608004a1f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:45:55,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bc75b9-3e3c-4c77-bef7-b45608004a1f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:45:55,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bc75b9-3e3c-4c77-bef7-b45608004a1f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:45:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-17 10:45:55,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-17 10:45:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:45:55,572 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:45:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-10-17 10:45:55,572 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-10-17 10:45:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-10-17 10:45:55,572 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-10-17 10:45:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2022-10-17 10:45:55,573 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2022-10-17 10:45:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-17 10:45:55,573 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-17 10:45:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:45:55,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:45:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-17 10:45:55,574 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-17 10:45:55,574 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2022-10-17 10:45:55,574 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2022-10-17 10:45:55,574 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2022-10-17 10:45:55,574 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2022-10-17 10:45:55,574 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-10-17 10:45:55,575 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-10-17 10:45:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2022-10-17 10:45:55,575 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2022-10-17 10:45:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-17 10:45:55,575 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-17 10:45:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-10-17 10:45:55,576 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-10-17 10:45:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-10-17 10:45:55,576 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-10-17 10:45:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2022-10-17 10:45:55,576 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2022-10-17 10:45:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-10-17 10:45:55,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-10-17 10:45:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-10-17 10:45:55,577 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-10-17 10:45:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2022-10-17 10:45:55,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2022-10-17 10:45:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:45:55,578 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:45:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_27 [2022-10-17 10:45:55,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_27 [2022-10-17 10:45:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2022-10-17 10:45:55,578 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2022-10-17 10:45:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-17 10:45:55,579 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-17 10:45:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:45:55,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 10:45:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-17 10:45:55,579 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-17 10:45:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-10-17 10:45:55,580 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-10-17 10:45:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-17 10:45:55,580 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-17 10:45:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-10-17 10:45:55,580 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-10-17 10:45:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-17 10:45:55,581 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-17 10:45:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:45:55,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:45:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-10-17 10:45:55,581 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-10-17 10:45:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:45:55,582 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:45:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2022-10-17 10:45:55,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2022-10-17 10:45:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-10-17 10:45:55,582 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-10-17 10:45:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:45:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2022-10-17 10:45:55,583 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2022-10-17 10:45:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-10-17 10:45:55,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-10-17 10:45:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_30 [2022-10-17 10:45:55,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_30 [2022-10-17 10:45:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 10:45:55,584 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 10:45:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 10:45:55,584 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 10:45:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-10-17 10:45:55,584 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-10-17 10:45:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:45:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2022-10-17 10:45:55,585 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2022-10-17 10:45:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-10-17 10:45:55,585 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-10-17 10:45:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2022-10-17 10:45:55,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2022-10-17 10:45:55,586 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-17 10:45:55,586 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-17 10:45:55,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-10-17 10:45:55,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-10-17 10:45:55,586 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 10:45:55,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 10:45:55,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:45:55,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 10:45:55,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 10:45:55,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:45:55,587 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2022-10-17 10:45:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2022-10-17 10:45:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-10-17 10:45:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-10-17 10:45:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-17 10:45:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-17 10:45:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:45:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:45:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-10-17 10:45:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-10-17 10:45:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-17 10:45:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-17 10:45:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-17 10:45:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-17 10:45:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2022-10-17 10:45:55,590 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2022-10-17 10:45:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-10-17 10:45:55,590 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-10-17 10:45:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-10-17 10:45:55,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-10-17 10:45:55,591 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-17 10:45:55,591 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-17 10:45:55,591 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2022-10-17 10:45:55,591 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2022-10-17 10:45:55,591 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-17 10:45:55,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-17 10:45:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2022-10-17 10:45:55,592 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2022-10-17 10:45:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:45:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-10-17 10:45:55,592 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-10-17 10:45:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-10-17 10:45:55,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-10-17 10:45:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:45:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 10:45:55,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 10:45:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 10:45:55,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 10:45:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:45:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-10-17 10:45:55,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-10-17 10:45:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:45:55,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:45:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-17 10:45:55,594 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-17 10:45:55,595 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:45:55,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:45:55,595 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2022-10-17 10:45:55,595 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2022-10-17 10:45:55,595 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-17 10:45:55,595 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-17 10:45:55,596 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2022-10-17 10:45:55,596 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2022-10-17 10:45:55,596 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-10-17 10:45:55,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-10-17 10:45:55,596 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-17 10:45:55,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-17 10:45:55,596 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2022-10-17 10:45:55,597 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2022-10-17 10:45:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2022-10-17 10:45:55,597 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2022-10-17 10:45:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:45:55,597 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:45:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-17 10:45:55,597 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-17 10:45:55,598 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2022-10-17 10:45:55,598 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2022-10-17 10:45:55,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-17 10:45:55,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-17 10:45:55,598 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2022-10-17 10:45:55,598 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2022-10-17 10:45:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-10-17 10:45:55,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-10-17 10:45:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-10-17 10:45:55,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-10-17 10:45:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2022-10-17 10:45:55,599 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2022-10-17 10:45:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-10-17 10:45:55,600 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-10-17 10:45:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2022-10-17 10:45:55,600 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2022-10-17 10:45:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2022-10-17 10:45:55,600 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2022-10-17 10:45:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-10-17 10:45:55,600 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-10-17 10:45:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:45:55,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:45:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-10-17 10:45:55,601 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-10-17 10:45:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2022-10-17 10:45:55,601 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2022-10-17 10:45:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:45:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:45:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:45:55,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:45:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-10-17 10:45:55,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-10-17 10:45:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-10-17 10:45:55,603 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-10-17 10:45:55,603 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-10-17 10:45:55,603 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-10-17 10:45:55,603 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 10:45:55,603 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 10:45:55,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-10-17 10:45:55,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-10-17 10:45:55,604 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 10:45:55,604 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 10:45:55,604 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-10-17 10:45:55,604 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-10-17 10:45:55,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:45:55,604 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-10-17 10:45:55,605 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-10-17 10:45:55,605 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-17 10:45:55,605 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-17 10:45:55,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-10-17 10:45:55,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-10-17 10:45:55,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:45:55,605 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2022-10-17 10:45:55,606 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2022-10-17 10:45:55,606 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2022-10-17 10:45:55,606 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2022-10-17 10:45:55,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:45:55,606 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 10:45:55,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 10:45:55,607 INFO L130 BoogieDeclarations]: Found specification of procedure rx_oom_timer [2022-10-17 10:45:55,607 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_oom_timer [2022-10-17 10:45:55,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-10-17 10:45:55,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-10-17 10:45:55,607 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-17 10:45:55,607 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-17 10:45:55,607 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 10:45:55,608 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 10:45:55,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 10:45:55,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 10:45:55,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-10-17 10:45:55,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-10-17 10:45:55,608 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-10-17 10:45:55,609 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-10-17 10:45:55,609 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-10-17 10:45:55,609 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-10-17 10:45:55,609 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2022-10-17 10:45:55,609 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2022-10-17 10:45:55,609 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-10-17 10:45:55,609 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-10-17 10:45:55,610 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-10-17 10:45:55,610 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-10-17 10:45:55,610 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2022-10-17 10:45:55,610 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2022-10-17 10:45:55,610 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-17 10:45:55,610 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-17 10:45:55,610 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 10:45:55,611 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 10:45:55,611 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-17 10:45:55,611 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-17 10:45:55,611 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 10:45:55,611 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 10:45:55,611 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2022-10-17 10:45:55,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2022-10-17 10:45:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_timer [2022-10-17 10:45:55,612 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_timer [2022-10-17 10:45:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:45:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2022-10-17 10:45:55,612 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2022-10-17 10:45:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-10-17 10:45:55,613 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-10-17 10:45:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-17 10:45:55,613 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-17 10:45:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:45:55,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:45:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2022-10-17 10:45:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2022-10-17 10:45:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2022-10-17 10:45:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2022-10-17 10:45:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2022-10-17 10:45:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2022-10-17 10:45:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-10-17 10:45:55,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-10-17 10:45:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-10-17 10:45:55,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-10-17 10:45:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-10-17 10:45:55,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-10-17 10:45:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2022-10-17 10:45:55,615 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2022-10-17 10:45:55,616 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2022-10-17 10:45:55,616 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2022-10-17 10:45:55,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 10:45:55,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 10:45:55,616 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-10-17 10:45:55,616 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-10-17 10:45:55,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-10-17 10:45:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-10-17 10:45:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-10-17 10:45:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-10-17 10:45:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 10:45:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 10:45:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:45:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 10:45:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 10:45:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-10-17 10:45:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-10-17 10:45:56,655 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:45:56,664 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:45:58,845 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:46:05,683 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:46:05,716 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:46:05,716 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:46:05,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:46:05 BoogieIcfgContainer [2022-10-17 10:46:05,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:46:05,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:46:05,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:46:05,729 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:46:05,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:45:49" (1/3) ... [2022-10-17 10:46:05,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78149203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:46:05, skipping insertion in model container [2022-10-17 10:46:05,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:54" (2/3) ... [2022-10-17 10:46:05,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78149203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:46:05, skipping insertion in model container [2022-10-17 10:46:05,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:46:05" (3/3) ... [2022-10-17 10:46:05,732 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2022-10-17 10:46:05,751 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:46:05,751 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-17 10:46:05,885 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:46:05,893 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;@4312076e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:46:05,894 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-17 10:46:05,910 INFO L276 IsEmpty]: Start isEmpty. Operand has 2877 states, 2018 states have (on average 1.3686818632309217) internal successors, (2762), 2105 states have internal predecessors, (2762), 716 states have call successors, (716), 141 states have call predecessors, (716), 140 states have return successors, (709), 691 states have call predecessors, (709), 709 states have call successors, (709) [2022-10-17 10:46:05,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 10:46:05,929 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:46:05,931 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-10-17 10:46:05,932 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:46:05,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:05,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1243335446, now seen corresponding path program 1 times [2022-10-17 10:46:05,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:05,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266526860] [2022-10-17 10:46:05,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:05,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:07,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-17 10:46:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:07,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-17 10:46:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:07,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-17 10:46:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:07,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:46:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:07,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-17 10:46:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:07,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-17 10:46:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:07,863 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 10:46:07,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:46:07,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266526860] [2022-10-17 10:46:07,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266526860] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:46:07,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:46:07,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:46:07,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617614711] [2022-10-17 10:46:07,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:46:07,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:46:07,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:46:07,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:46:07,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:46:07,917 INFO L87 Difference]: Start difference. First operand has 2877 states, 2018 states have (on average 1.3686818632309217) internal successors, (2762), 2105 states have internal predecessors, (2762), 716 states have call successors, (716), 141 states have call predecessors, (716), 140 states have return successors, (709), 691 states have call predecessors, (709), 709 states have call successors, (709) Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-17 10:46:08,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:46:08,541 INFO L93 Difference]: Finished difference Result 5723 states and 8437 transitions. [2022-10-17 10:46:08,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-17 10:46:08,545 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 54 [2022-10-17 10:46:08,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:46:08,608 INFO L225 Difference]: With dead ends: 5723 [2022-10-17 10:46:08,609 INFO L226 Difference]: Without dead ends: 2828 [2022-10-17 10:46:08,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 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 10:46:08,648 INFO L413 NwaCegarLoop]: 4109 mSDtfsCounter, 4085 mSDsluCounter, 4107 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4087 SdHoareTripleChecker+Valid, 8216 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:46:08,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4087 Valid, 8216 Invalid, 5 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:46:08,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2022-10-17 10:46:08,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2828. [2022-10-17 10:46:08,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2828 states, 1988 states have (on average 1.3329979879275653) internal successors, (2650), 2068 states have internal predecessors, (2650), 700 states have call successors, (700), 139 states have call predecessors, (700), 139 states have return successors, (700), 682 states have call predecessors, (700), 700 states have call successors, (700) [2022-10-17 10:46:08,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2828 states to 2828 states and 4050 transitions. [2022-10-17 10:46:08,975 INFO L78 Accepts]: Start accepts. Automaton has 2828 states and 4050 transitions. Word has length 54 [2022-10-17 10:46:08,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:46:08,977 INFO L495 AbstractCegarLoop]: Abstraction has 2828 states and 4050 transitions. [2022-10-17 10:46:08,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-17 10:46:08,979 INFO L276 IsEmpty]: Start isEmpty. Operand 2828 states and 4050 transitions. [2022-10-17 10:46:08,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-17 10:46:08,993 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:46:08,999 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-10-17 10:46:09,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:46:09,000 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:46:09,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:09,001 INFO L85 PathProgramCache]: Analyzing trace with hash 102730375, now seen corresponding path program 1 times [2022-10-17 10:46:09,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:09,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546559980] [2022-10-17 10:46:09,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:09,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:10,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-17 10:46:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:10,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-17 10:46:10,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:10,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-17 10:46:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:10,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:46:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:10,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:46:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:10,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:46:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:10,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-17 10:46:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:10,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:46:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:10,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:46:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:10,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:46:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:10,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-17 10:46:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:10,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:46:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:10,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:46:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:10,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:46:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:10,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:46:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:10,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-10-17 10:46:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:10,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-17 10:46:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:10,413 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-17 10:46:10,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:46:10,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546559980] [2022-10-17 10:46:10,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546559980] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:46:10,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:46:10,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:46:10,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129296489] [2022-10-17 10:46:10,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:46:10,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:46:10,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:46:10,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:46:10,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:46:10,422 INFO L87 Difference]: Start difference. First operand 2828 states and 4050 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-17 10:46:15,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:46:15,090 INFO L93 Difference]: Finished difference Result 2871 states and 4136 transitions. [2022-10-17 10:46:15,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:46:15,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 104 [2022-10-17 10:46:15,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:46:15,096 INFO L225 Difference]: With dead ends: 2871 [2022-10-17 10:46:15,096 INFO L226 Difference]: Without dead ends: 0 [2022-10-17 10:46:15,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:46:15,114 INFO L413 NwaCegarLoop]: 3843 mSDtfsCounter, 3933 mSDsluCounter, 4687 mSDsCounter, 0 mSdLazyCounter, 2114 mSolverCounterSat, 1270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4392 SdHoareTripleChecker+Valid, 8530 SdHoareTripleChecker+Invalid, 3384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1270 IncrementalHoareTripleChecker+Valid, 2114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-10-17 10:46:15,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4392 Valid, 8530 Invalid, 3384 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1270 Valid, 2114 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-10-17 10:46:15,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-17 10:46:15,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-17 10:46:15,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:15,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-17 10:46:15,120 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 104 [2022-10-17 10:46:15,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:46:15,122 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:46:15,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-17 10:46:15,122 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-17 10:46:15,122 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 10:46:15,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-10-17 10:46:15,126 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-10-17 10:46:15,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:46:15,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.