./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.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_a665acd5-27ee-4053-945d-1839a461fc03/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665acd5-27ee-4053-945d-1839a461fc03/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_a665acd5-27ee-4053-945d-1839a461fc03/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665acd5-27ee-4053-945d-1839a461fc03/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665acd5-27ee-4053-945d-1839a461fc03/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_a665acd5-27ee-4053-945d-1839a461fc03/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 3eabf9223369a4133b2add72c0b71a01ceb617c9bc4081cd5107bb51f78aed61 --- 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 10:35:39,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:35:39,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:35:39,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:35:39,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:35:39,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:35:39,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:35:39,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:35:39,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:35:39,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:35:39,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:35:39,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:35:39,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:35:39,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:35:39,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:35:39,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:35:39,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:35:39,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:35:39,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:35:39,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:35:39,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:35:39,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:35:39,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:35:39,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:35:39,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:35:39,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:35:39,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:35:39,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:35:39,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:35:39,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:35:39,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:35:39,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:35:39,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:35:39,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:35:39,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:35:39,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:35:39,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:35:39,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:35:39,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:35:39,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:35:39,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:35:39,213 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665acd5-27ee-4053-945d-1839a461fc03/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:35:39,242 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:35:39,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:35:39,243 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:35:39,244 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:35:39,244 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:35:39,245 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:35:39,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:35:39,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:35:39,247 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:35:39,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:35:39,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:35:39,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:35:39,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:35:39,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:35:39,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:35:39,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:35:39,250 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:35:39,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:35:39,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:35:39,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:35:39,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:35:39,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:35:39,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:35:39,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:35:39,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:35:39,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:35:39,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:35:39,255 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:35:39,255 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:35:39,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:35:39,255 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_a665acd5-27ee-4053-945d-1839a461fc03/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665acd5-27ee-4053-945d-1839a461fc03/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3eabf9223369a4133b2add72c0b71a01ceb617c9bc4081cd5107bb51f78aed61 [2022-10-17 10:35:39,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:35:39,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:35:39,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:35:39,607 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:35:39,608 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:35:39,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665acd5-27ee-4053-945d-1839a461fc03/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i [2022-10-17 10:35:39,676 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665acd5-27ee-4053-945d-1839a461fc03/bin/uautomizer-J5u9QxTXDZ/data/2ae0b8e8f/9aec2cf6778f47dab24415e3cf5f23ee/FLAG5611cc211 [2022-10-17 10:35:40,619 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:35:40,619 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665acd5-27ee-4053-945d-1839a461fc03/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i [2022-10-17 10:35:40,676 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665acd5-27ee-4053-945d-1839a461fc03/bin/uautomizer-J5u9QxTXDZ/data/2ae0b8e8f/9aec2cf6778f47dab24415e3cf5f23ee/FLAG5611cc211 [2022-10-17 10:35:41,002 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665acd5-27ee-4053-945d-1839a461fc03/bin/uautomizer-J5u9QxTXDZ/data/2ae0b8e8f/9aec2cf6778f47dab24415e3cf5f23ee [2022-10-17 10:35:41,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:35:41,009 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:35:41,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:35:41,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:35:41,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:35:41,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:35:41" (1/1) ... [2022-10-17 10:35:41,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aee26d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:35:41, skipping insertion in model container [2022-10-17 10:35:41,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:35:41" (1/1) ... [2022-10-17 10:35:41,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:35:41,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:35:44,839 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_a665acd5-27ee-4053-945d-1839a461fc03/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392538,392551] [2022-10-17 10:35:44,843 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_a665acd5-27ee-4053-945d-1839a461fc03/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392707,392720] [2022-10-17 10:35:44,843 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_a665acd5-27ee-4053-945d-1839a461fc03/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392874,392887] [2022-10-17 10:35:44,844 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_a665acd5-27ee-4053-945d-1839a461fc03/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[393042,393055] [2022-10-17 10:35:44,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:35:44,970 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:35:45,446 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_a665acd5-27ee-4053-945d-1839a461fc03/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392538,392551] [2022-10-17 10:35:45,447 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_a665acd5-27ee-4053-945d-1839a461fc03/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392707,392720] [2022-10-17 10:35:45,448 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_a665acd5-27ee-4053-945d-1839a461fc03/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392874,392887] [2022-10-17 10:35:45,448 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_a665acd5-27ee-4053-945d-1839a461fc03/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[393042,393055] [2022-10-17 10:35:45,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:35:45,804 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:35:45,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:35:45 WrapperNode [2022-10-17 10:35:45,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:35:45,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:35:45,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:35:45,808 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:35:45,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:35:45" (1/1) ... [2022-10-17 10:35:45,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:35:45" (1/1) ... [2022-10-17 10:35:46,228 INFO L138 Inliner]: procedures = 549, calls = 2135, calls flagged for inlining = 287, calls inlined = 262, statements flattened = 6695 [2022-10-17 10:35:46,229 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:35:46,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:35:46,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:35:46,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:35:46,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:35:45" (1/1) ... [2022-10-17 10:35:46,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:35:45" (1/1) ... [2022-10-17 10:35:46,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:35:45" (1/1) ... [2022-10-17 10:35:46,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:35:45" (1/1) ... [2022-10-17 10:35:46,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:35:45" (1/1) ... [2022-10-17 10:35:46,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:35:45" (1/1) ... [2022-10-17 10:35:46,462 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:35:45" (1/1) ... [2022-10-17 10:35:46,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:35:45" (1/1) ... [2022-10-17 10:35:46,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:35:46,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:35:46,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:35:46,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:35:46,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:35:45" (1/1) ... [2022-10-17 10:35:46,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:35:46,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665acd5-27ee-4053-945d-1839a461fc03/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:35:46,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665acd5-27ee-4053-945d-1839a461fc03/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:35:46,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665acd5-27ee-4053-945d-1839a461fc03/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:35:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:35:46,608 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:35:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_94 [2022-10-17 10:35:46,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_94 [2022-10-17 10:35:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:35:46,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:35:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-17 10:35:46,609 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-17 10:35:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_76 [2022-10-17 10:35:46,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_76 [2022-10-17 10:35:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-17 10:35:46,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-17 10:35:46,610 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-17 10:35:46,610 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-17 10:35:46,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2022-10-17 10:35:46,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2022-10-17 10:35:46,610 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_read [2022-10-17 10:35:46,610 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_read [2022-10-17 10:35:46,610 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_resume [2022-10-17 10:35:46,611 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_resume [2022-10-17 10:35:46,611 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:35:46,611 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:35:46,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mac_lock_of_smsc911x_data [2022-10-17 10:35:46,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mac_lock_of_smsc911x_data [2022-10-17 10:35:46,611 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_probe [2022-10-17 10:35:46,612 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_probe [2022-10-17 10:35:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure no_printk [2022-10-17 10:35:46,612 INFO L138 BoogieDeclarations]: Found implementation of procedure no_printk [2022-10-17 10:35:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:35:46,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 10:35:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-17 10:35:46,613 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-17 10:35:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-17 10:35:46,613 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-17 10:35:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-17 10:35:46,614 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-17 10:35:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:35:46,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:35:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:35:46,614 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:35:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_multicast_list [2022-10-17 10:35:46,615 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_multicast_list [2022-10-17 10:35:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_hw_mac_address [2022-10-17 10:35:46,615 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_hw_mac_address [2022-10-17 10:35:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2022-10-17 10:35:46,615 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2022-10-17 10:35:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-10-17 10:35:46,616 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-10-17 10:35:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:35:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-10-17 10:35:46,616 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-10-17 10:35:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_remove [2022-10-17 10:35:46,616 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_remove [2022-10-17 10:35:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_multicast_update [2022-10-17 10:35:46,617 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_multicast_update [2022-10-17 10:35:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 10:35:46,617 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 10:35:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mac_lock_of_smsc911x_data [2022-10-17 10:35:46,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mac_lock_of_smsc911x_data [2022-10-17 10:35:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2022-10-17 10:35:46,618 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2022-10-17 10:35:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:35:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-10-17 10:35:46,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-10-17 10:35:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 10:35:46,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 10:35:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo [2022-10-17 10:35:46,619 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo [2022-10-17 10:35:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:35:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 10:35:46,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 10:35:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_irqhandler [2022-10-17 10:35:46,620 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_irqhandler [2022-10-17 10:35:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:35:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:35:46,620 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:35:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-17 10:35:46,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-17 10:35:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_resources [2022-10-17 10:35:46,621 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_resources [2022-10-17 10:35:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_get_rxstatus [2022-10-17 10:35:46,621 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_get_rxstatus [2022-10-17 10:35:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read [2022-10-17 10:35:46,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read [2022-10-17 10:35:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-10-17 10:35:46,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-10-17 10:35:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_getregslen [2022-10-17 10:35:46,622 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_getregslen [2022-10-17 10:35:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:35:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-17 10:35:46,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-17 10:35:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-17 10:35:46,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-17 10:35:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-10-17 10:35:46,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-10-17 10:35:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-10-17 10:35:46,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-10-17 10:35:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:35:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-10-17 10:35:46,624 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-10-17 10:35:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 10:35:46,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 10:35:46,625 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 10:35:46,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 10:35:46,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:35:46,625 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:35:46,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:35:46,626 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:35:46,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:35:46,626 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_write [2022-10-17 10:35:46,626 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_write [2022-10-17 10:35:46,626 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_complete [2022-10-17 10:35:46,627 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_complete [2022-10-17 10:35:46,627 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-10-17 10:35:46,627 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-10-17 10:35:46,627 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-10-17 10:35:46,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-10-17 10:35:46,628 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:35:46,628 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:35:46,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-17 10:35:46,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-17 10:35:46,628 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32_rep [2022-10-17 10:35:46,628 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32_rep [2022-10-17 10:35:46,629 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-10-17 10:35:46,629 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-10-17 10:35:46,629 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2022-10-17 10:35:46,629 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2022-10-17 10:35:46,629 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-10-17 10:35:46,630 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-10-17 10:35:46,630 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 10:35:46,630 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 10:35:46,630 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-10-17 10:35:46,630 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-10-17 10:35:46,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:35:46,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:35:46,631 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 10:35:46,631 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 10:35:46,631 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-10-17 10:35:46,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-10-17 10:35:46,631 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_get_txstatus [2022-10-17 10:35:46,631 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_get_txstatus [2022-10-17 10:35:46,632 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-17 10:35:46,632 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-17 10:35:46,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_mac_lock_of_smsc911x_data [2022-10-17 10:35:46,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_mac_lock_of_smsc911x_data [2022-10-17 10:35:46,632 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-10-17 10:35:46,632 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-10-17 10:35:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:35:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:35:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:35:46,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:35:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo [2022-10-17 10:35:46,633 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo [2022-10-17 10:35:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_open [2022-10-17 10:35:46,634 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_open [2022-10-17 10:35:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-10-17 10:35:46,634 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-10-17 10:35:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_get_eeprom_len [2022-10-17 10:35:46,634 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_get_eeprom_len [2022-10-17 10:35:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-17 10:35:46,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-17 10:35:46,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_dev_lock_of_smsc911x_data [2022-10-17 10:35:46,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_dev_lock_of_smsc911x_data [2022-10-17 10:35:46,635 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo_shift [2022-10-17 10:35:46,635 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo_shift [2022-10-17 10:35:46,635 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_suspend [2022-10-17 10:35:46,635 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_suspend [2022-10-17 10:35:46,636 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_read_mac_address [2022-10-17 10:35:46,636 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_read_mac_address [2022-10-17 10:35:46,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_93 [2022-10-17 10:35:46,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_93 [2022-10-17 10:35:46,636 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_write [2022-10-17 10:35:46,636 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_write [2022-10-17 10:35:46,636 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2022-10-17 10:35:46,637 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2022-10-17 10:35:46,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:35:46,637 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:35:46,637 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 10:35:46,637 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 10:35:46,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-10-17 10:35:46,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-10-17 10:35:46,638 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write [2022-10-17 10:35:46,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write [2022-10-17 10:35:46,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:35:46,638 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-17 10:35:46,638 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-17 10:35:46,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:35:46,639 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_write [2022-10-17 10:35:46,639 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_write [2022-10-17 10:35:46,639 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_nwayreset [2022-10-17 10:35:46,639 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_nwayreset [2022-10-17 10:35:46,639 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_free_resources [2022-10-17 10:35:46,639 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_free_resources [2022-10-17 10:35:46,640 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_irq_chip [2022-10-17 10:35:46,640 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_irq_chip [2022-10-17 10:35:46,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:35:46,640 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_send_cmd [2022-10-17 10:35:46,640 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_send_cmd [2022-10-17 10:35:46,640 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 10:35:46,640 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 10:35:46,641 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_adjust_link [2022-10-17 10:35:46,641 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_adjust_link [2022-10-17 10:35:46,641 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_read [2022-10-17 10:35:46,641 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_read [2022-10-17 10:35:46,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 10:35:46,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 10:35:46,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-10-17 10:35:46,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-10-17 10:35:46,642 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_update_txcounters [2022-10-17 10:35:46,642 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_update_txcounters [2022-10-17 10:35:46,642 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read_shift [2022-10-17 10:35:46,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read_shift [2022-10-17 10:35:46,642 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-17 10:35:46,643 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-17 10:35:46,643 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write_shift [2022-10-17 10:35:46,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write_shift [2022-10-17 10:35:46,643 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 10:35:46,643 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 10:35:46,643 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 10:35:46,644 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 10:35:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-10-17 10:35:46,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-10-17 10:35:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-10-17 10:35:46,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-10-17 10:35:46,645 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_enable_external [2022-10-17 10:35:46,645 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_enable_external [2022-10-17 10:35:46,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:35:46,645 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_read [2022-10-17 10:35:46,645 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_read [2022-10-17 10:35:46,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:35:46,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:35:46,646 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-10-17 10:35:46,646 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-10-17 10:35:46,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smsc911x_cleanup_module_14_2 [2022-10-17 10:35:46,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smsc911x_cleanup_module_14_2 [2022-10-17 10:35:46,646 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_soft_reset [2022-10-17 10:35:46,646 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_soft_reset [2022-10-17 10:35:46,646 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_enable_access [2022-10-17 10:35:46,647 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_enable_access [2022-10-17 10:35:46,647 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-10-17 10:35:46,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-10-17 10:35:46,647 INFO L130 BoogieDeclarations]: Found specification of procedure spin_is_locked [2022-10-17 10:35:46,647 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_is_locked [2022-10-17 10:35:46,647 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_stop [2022-10-17 10:35:46,648 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_stop [2022-10-17 10:35:46,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 10:35:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 10:35:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo_shift [2022-10-17 10:35:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo_shift [2022-10-17 10:35:46,709 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-10-17 10:35:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-10-17 10:35:46,709 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-10-17 10:35:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-10-17 10:35:46,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:35:46,709 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-10-17 10:35:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-10-17 10:35:46,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 10:35:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 10:35:46,709 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-10-17 10:35:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-10-17 10:35:47,787 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:35:47,792 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:35:48,305 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:35:52,076 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 10:35:52,272 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:35:52,308 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:35:52,308 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 10:35:52,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:35:52 BoogieIcfgContainer [2022-10-17 10:35:52,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:35:52,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:35:52,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:35:52,320 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:35:52,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:35:41" (1/3) ... [2022-10-17 10:35:52,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d513cc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:35:52, skipping insertion in model container [2022-10-17 10:35:52,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:35:45" (2/3) ... [2022-10-17 10:35:52,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d513cc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:35:52, skipping insertion in model container [2022-10-17 10:35:52,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:35:52" (3/3) ... [2022-10-17 10:35:52,324 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i [2022-10-17 10:35:52,343 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:35:52,343 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-10-17 10:35:52,508 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:35:52,513 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;@220e7bbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:35:52,513 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-10-17 10:35:52,527 INFO L276 IsEmpty]: Start isEmpty. Operand has 2826 states, 1937 states have (on average 1.3371192565823438) internal successors, (2590), 1974 states have internal predecessors, (2590), 767 states have call successors, (767), 122 states have call predecessors, (767), 121 states have return successors, (758), 749 states have call predecessors, (758), 758 states have call successors, (758) [2022-10-17 10:35:52,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-10-17 10:35:52,564 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:35:52,565 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:35:52,565 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-10-17 10:35:52,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:35:52,570 INFO L85 PathProgramCache]: Analyzing trace with hash -735431508, now seen corresponding path program 1 times [2022-10-17 10:35:52,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:35:52,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902383401] [2022-10-17 10:35:52,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:35:52,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:35:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:35:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:35:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:35:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:35:53,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:35:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:35:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:35:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:35:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:35:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:35:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:35:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:35:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:35:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:35:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:35:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:35:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:35:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:35:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-17 10:35:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:35:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-17 10:35:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:35:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-17 10:35:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:35:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-17 10:35:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:35:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-17 10:35:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:35:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-17 10:35:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:35:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:53,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-17 10:35:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:54,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:35:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:54,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-17 10:35:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:54,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:35:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:54,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-17 10:35:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:54,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:35:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:54,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-17 10:35:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:54,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:35:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:54,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-10-17 10:35:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:54,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-10-17 10:35:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:35:54,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-10-17 10:35:54,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:35:54,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902383401] [2022-10-17 10:35:54,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902383401] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:35:54,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:35:54,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:35:54,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046428786] [2022-10-17 10:35:54,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:35:54,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:35:54,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:35:54,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:35:54,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:35:54,182 INFO L87 Difference]: Start difference. First operand has 2826 states, 1937 states have (on average 1.3371192565823438) internal successors, (2590), 1974 states have internal predecessors, (2590), 767 states have call successors, (767), 122 states have call predecessors, (767), 121 states have return successors, (758), 749 states have call predecessors, (758), 758 states have call successors, (758) Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-10-17 10:36:01,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:36:01,498 INFO L93 Difference]: Finished difference Result 8606 states and 13240 transitions. [2022-10-17 10:36:01,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:36:01,501 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 237 [2022-10-17 10:36:01,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:36:01,593 INFO L225 Difference]: With dead ends: 8606 [2022-10-17 10:36:01,594 INFO L226 Difference]: Without dead ends: 5810 [2022-10-17 10:36:01,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 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 10:36:01,647 INFO L413 NwaCegarLoop]: 4207 mSDtfsCounter, 5033 mSDsluCounter, 4107 mSDsCounter, 0 mSdLazyCounter, 3086 mSolverCounterSat, 2372 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5710 SdHoareTripleChecker+Valid, 8314 SdHoareTripleChecker+Invalid, 5458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2372 IncrementalHoareTripleChecker+Valid, 3086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-10-17 10:36:01,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5710 Valid, 8314 Invalid, 5458 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2372 Valid, 3086 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-10-17 10:36:01,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5810 states. [2022-10-17 10:36:02,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5810 to 5474. [2022-10-17 10:36:02,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5474 states, 3773 states have (on average 1.2658362046117149) internal successors, (4776), 3846 states have internal predecessors, (4776), 1460 states have call successors, (1460), 239 states have call predecessors, (1460), 238 states have return successors, (1456), 1438 states have call predecessors, (1456), 1456 states have call successors, (1456) [2022-10-17 10:36:02,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5474 states to 5474 states and 7692 transitions. [2022-10-17 10:36:02,291 INFO L78 Accepts]: Start accepts. Automaton has 5474 states and 7692 transitions. Word has length 237 [2022-10-17 10:36:02,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:36:02,298 INFO L495 AbstractCegarLoop]: Abstraction has 5474 states and 7692 transitions. [2022-10-17 10:36:02,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-10-17 10:36:02,298 INFO L276 IsEmpty]: Start isEmpty. Operand 5474 states and 7692 transitions. [2022-10-17 10:36:02,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-10-17 10:36:02,314 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:36:02,315 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:36:02,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:36:02,316 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-10-17 10:36:02,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:36:02,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1151070565, now seen corresponding path program 1 times [2022-10-17 10:36:02,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:36:02,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286818566] [2022-10-17 10:36:02,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:36:02,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:36:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:02,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:36:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:02,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:36:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:02,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:36:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:02,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:36:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:02,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:36:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:02,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:36:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:02,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:36:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:02,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:36:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:02,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:36:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:02,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:36:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:02,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:36:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:02,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:36:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:02,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:36:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:02,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:36:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:02,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:36:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:02,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:36:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:02,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:36:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:02,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:36:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:02,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-17 10:36:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:02,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:36:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:02,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-17 10:36:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:02,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:36:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:02,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-17 10:36:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:02,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:36:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:03,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-17 10:36:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:03,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:36:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:03,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-17 10:36:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:03,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:36:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:03,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-17 10:36:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:03,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:36:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:03,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-17 10:36:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:03,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:36:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:03,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-17 10:36:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:03,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:36:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:03,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-17 10:36:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:03,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:36:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:03,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-17 10:36:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:03,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:36:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:03,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-10-17 10:36:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:03,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-10-17 10:36:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:03,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-10-17 10:36:03,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:36:03,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286818566] [2022-10-17 10:36:03,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286818566] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:36:03,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:36:03,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:36:03,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117108206] [2022-10-17 10:36:03,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:36:03,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:36:03,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:36:03,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:36:03,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:36:03,173 INFO L87 Difference]: Start difference. First operand 5474 states and 7692 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22)