./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.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_5becf1bf-3a30-44d1-8a4a-6e0457a29f37/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5becf1bf-3a30-44d1-8a4a-6e0457a29f37/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_5becf1bf-3a30-44d1-8a4a-6e0457a29f37/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5becf1bf-3a30-44d1-8a4a-6e0457a29f37/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5becf1bf-3a30-44d1-8a4a-6e0457a29f37/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_5becf1bf-3a30-44d1-8a4a-6e0457a29f37/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 b5d2eeaaae10ee4c57bd86d22cba165fc727430aa2a7f660f053fb73e5712838 --- 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 11:06:00,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 11:06:00,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 11:06:00,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 11:06:00,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 11:06:00,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 11:06:00,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 11:06:00,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 11:06:00,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 11:06:00,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 11:06:00,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 11:06:00,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 11:06:00,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 11:06:00,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 11:06:00,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 11:06:00,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 11:06:00,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 11:06:00,818 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 11:06:00,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 11:06:00,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 11:06:00,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 11:06:00,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 11:06:00,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 11:06:00,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 11:06:00,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 11:06:00,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 11:06:00,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 11:06:00,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 11:06:00,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 11:06:00,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 11:06:00,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 11:06:00,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 11:06:00,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 11:06:00,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 11:06:00,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 11:06:00,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 11:06:00,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 11:06:00,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 11:06:00,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 11:06:00,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 11:06:00,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 11:06:00,867 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5becf1bf-3a30-44d1-8a4a-6e0457a29f37/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 11:06:00,936 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 11:06:00,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 11:06:00,937 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 11:06:00,937 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 11:06:00,938 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 11:06:00,938 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 11:06:00,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 11:06:00,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 11:06:00,939 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 11:06:00,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 11:06:00,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 11:06:00,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 11:06:00,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 11:06:00,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 11:06:00,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 11:06:00,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 11:06:00,940 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 11:06:00,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 11:06:00,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 11:06:00,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 11:06:00,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 11:06:00,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 11:06:00,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 11:06:00,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 11:06:00,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 11:06:00,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 11:06:00,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 11:06:00,941 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 11:06:00,942 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 11:06:00,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 11:06:00,942 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_5becf1bf-3a30-44d1-8a4a-6e0457a29f37/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5becf1bf-3a30-44d1-8a4a-6e0457a29f37/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5d2eeaaae10ee4c57bd86d22cba165fc727430aa2a7f660f053fb73e5712838 [2022-10-17 11:06:01,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 11:06:01,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 11:06:01,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 11:06:01,246 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 11:06:01,247 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 11:06:01,248 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5becf1bf-3a30-44d1-8a4a-6e0457a29f37/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i [2022-10-17 11:06:01,314 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5becf1bf-3a30-44d1-8a4a-6e0457a29f37/bin/uautomizer-J5u9QxTXDZ/data/e22f4a4bb/84eaa319e9a0468394b033f3c6a12a6f/FLAGdf126ed7b [2022-10-17 11:06:02,359 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 11:06:02,360 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5becf1bf-3a30-44d1-8a4a-6e0457a29f37/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i [2022-10-17 11:06:02,442 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5becf1bf-3a30-44d1-8a4a-6e0457a29f37/bin/uautomizer-J5u9QxTXDZ/data/e22f4a4bb/84eaa319e9a0468394b033f3c6a12a6f/FLAGdf126ed7b [2022-10-17 11:06:02,690 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5becf1bf-3a30-44d1-8a4a-6e0457a29f37/bin/uautomizer-J5u9QxTXDZ/data/e22f4a4bb/84eaa319e9a0468394b033f3c6a12a6f [2022-10-17 11:06:02,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 11:06:02,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 11:06:02,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 11:06:02,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 11:06:02,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 11:06:02,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:06:02" (1/1) ... [2022-10-17 11:06:02,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5beccc7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:02, skipping insertion in model container [2022-10-17 11:06:02,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:06:02" (1/1) ... [2022-10-17 11:06:02,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 11:06:02,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 11:06:07,219 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_5becf1bf-3a30-44d1-8a4a-6e0457a29f37/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[454757,454770] [2022-10-17 11:06:07,222 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_5becf1bf-3a30-44d1-8a4a-6e0457a29f37/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[454904,454917] [2022-10-17 11:06:07,223 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_5becf1bf-3a30-44d1-8a4a-6e0457a29f37/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[455043,455056] [2022-10-17 11:06:07,224 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_5becf1bf-3a30-44d1-8a4a-6e0457a29f37/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[455201,455214] [2022-10-17 11:06:07,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 11:06:07,342 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 11:06:07,930 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_5becf1bf-3a30-44d1-8a4a-6e0457a29f37/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[454757,454770] [2022-10-17 11:06:07,931 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_5becf1bf-3a30-44d1-8a4a-6e0457a29f37/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[454904,454917] [2022-10-17 11:06:07,932 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_5becf1bf-3a30-44d1-8a4a-6e0457a29f37/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[455043,455056] [2022-10-17 11:06:07,932 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_5becf1bf-3a30-44d1-8a4a-6e0457a29f37/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[455201,455214] [2022-10-17 11:06:07,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 11:06:08,200 INFO L208 MainTranslator]: Completed translation [2022-10-17 11:06:08,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:08 WrapperNode [2022-10-17 11:06:08,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 11:06:08,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 11:06:08,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 11:06:08,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 11:06:08,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:08" (1/1) ... [2022-10-17 11:06:08,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:08" (1/1) ... [2022-10-17 11:06:08,842 INFO L138 Inliner]: procedures = 460, calls = 5101, calls flagged for inlining = 268, calls inlined = 251, statements flattened = 11801 [2022-10-17 11:06:08,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 11:06:08,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 11:06:08,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 11:06:08,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 11:06:08,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:08" (1/1) ... [2022-10-17 11:06:08,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:08" (1/1) ... [2022-10-17 11:06:08,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:08" (1/1) ... [2022-10-17 11:06:08,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:08" (1/1) ... [2022-10-17 11:06:09,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:08" (1/1) ... [2022-10-17 11:06:09,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:08" (1/1) ... [2022-10-17 11:06:09,547 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:08" (1/1) ... [2022-10-17 11:06:09,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:08" (1/1) ... [2022-10-17 11:06:09,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 11:06:09,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 11:06:09,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 11:06:09,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 11:06:09,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:08" (1/1) ... [2022-10-17 11:06:09,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 11:06:09,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5becf1bf-3a30-44d1-8a4a-6e0457a29f37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:06:09,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5becf1bf-3a30-44d1-8a4a-6e0457a29f37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 11:06:09,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5becf1bf-3a30-44d1-8a4a-6e0457a29f37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 11:06:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2022-10-17 11:06:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2022-10-17 11:06:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2022-10-17 11:06:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2022-10-17 11:06:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-17 11:06:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-17 11:06:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 11:06:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 11:06:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-10-17 11:06:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-10-17 11:06:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-17 11:06:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-17 11:06:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2022-10-17 11:06:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2022-10-17 11:06:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2022-10-17 11:06:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2022-10-17 11:06:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 11:06:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 11:06:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-17 11:06:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-17 11:06:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-17 11:06:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-17 11:06:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-10-17 11:06:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-10-17 11:06:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-17 11:06:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-17 11:06:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-10-17 11:06:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-10-17 11:06:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-10-17 11:06:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-10-17 11:06:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-10-17 11:06:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-10-17 11:06:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-10-17 11:06:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-10-17 11:06:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 11:06:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 11:06:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-17 11:06:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-17 11:06:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 11:06:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 11:06:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2022-10-17 11:06:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2022-10-17 11:06:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-17 11:06:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-17 11:06:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-10-17 11:06:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-10-17 11:06:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-17 11:06:09,817 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-17 11:06:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 11:06:09,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 11:06:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 11:06:09,817 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 11:06:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-10-17 11:06:09,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-10-17 11:06:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 11:06:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2022-10-17 11:06:09,818 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2022-10-17 11:06:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2022-10-17 11:06:09,818 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2022-10-17 11:06:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-10-17 11:06:09,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-10-17 11:06:09,819 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2022-10-17 11:06:09,819 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2022-10-17 11:06:09,819 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 11:06:09,819 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 11:06:09,819 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 11:06:09,819 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 11:06:09,819 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2022-10-17 11:06:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2022-10-17 11:06:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2022-10-17 11:06:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2022-10-17 11:06:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2022-10-17 11:06:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2022-10-17 11:06:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 11:06:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2022-10-17 11:06:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2022-10-17 11:06:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-17 11:06:09,821 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-17 11:06:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 11:06:09,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 11:06:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 11:06:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 11:06:09,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 11:06:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 11:06:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-10-17 11:06:09,822 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-10-17 11:06:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-17 11:06:09,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-17 11:06:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 11:06:09,822 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 11:06:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-10-17 11:06:09,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-10-17 11:06:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-17 11:06:09,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-17 11:06:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-17 11:06:09,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-17 11:06:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2022-10-17 11:06:09,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2022-10-17 11:06:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-17 11:06:09,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-17 11:06:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-17 11:06:09,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-17 11:06:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2022-10-17 11:06:09,824 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2022-10-17 11:06:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2022-10-17 11:06:09,824 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2022-10-17 11:06:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 11:06:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-17 11:06:09,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-17 11:06:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-17 11:06:09,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-17 11:06:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-10-17 11:06:09,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-10-17 11:06:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-10-17 11:06:09,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-10-17 11:06:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 11:06:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 11:06:09,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 11:06:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 11:06:09,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 11:06:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 11:06:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2022-10-17 11:06:09,827 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2022-10-17 11:06:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-10-17 11:06:09,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-10-17 11:06:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-10-17 11:06:09,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-10-17 11:06:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 11:06:09,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 11:06:09,828 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-17 11:06:09,828 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-17 11:06:09,828 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 11:06:09,828 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 11:06:09,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-17 11:06:09,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-17 11:06:09,829 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 11:06:09,829 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 11:06:09,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 11:06:09,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 11:06:09,829 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2022-10-17 11:06:09,829 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2022-10-17 11:06:09,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 11:06:09,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 11:06:09,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 11:06:09,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 11:06:09,830 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-10-17 11:06:09,830 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-10-17 11:06:09,830 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-10-17 11:06:09,830 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-10-17 11:06:09,831 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2022-10-17 11:06:09,831 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2022-10-17 11:06:09,831 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-10-17 11:06:09,831 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-10-17 11:06:09,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2022-10-17 11:06:09,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2022-10-17 11:06:09,831 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-10-17 11:06:09,831 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-10-17 11:06:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-10-17 11:06:09,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-10-17 11:06:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2022-10-17 11:06:09,832 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2022-10-17 11:06:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2022-10-17 11:06:09,832 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2022-10-17 11:06:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-10-17 11:06:09,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-10-17 11:06:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-10-17 11:06:09,833 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-10-17 11:06:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-10-17 11:06:09,833 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-10-17 11:06:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 11:06:09,833 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 11:06:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 11:06:09,834 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 11:06:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2022-10-17 11:06:09,834 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2022-10-17 11:06:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-10-17 11:06:09,834 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-10-17 11:06:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 11:06:09,834 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 11:06:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 11:06:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2022-10-17 11:06:09,835 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2022-10-17 11:06:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-17 11:06:09,835 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-17 11:06:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 11:06:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-17 11:06:09,835 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-17 11:06:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-10-17 11:06:09,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-10-17 11:06:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-10-17 11:06:09,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-10-17 11:06:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 11:06:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2022-10-17 11:06:09,836 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2022-10-17 11:06:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2022-10-17 11:06:09,837 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2022-10-17 11:06:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-17 11:06:09,837 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-17 11:06:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2022-10-17 11:06:09,837 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2022-10-17 11:06:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 11:06:09,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 11:06:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-10-17 11:06:09,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-10-17 11:06:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2022-10-17 11:06:09,838 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2022-10-17 11:06:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 11:06:09,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 11:06:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-10-17 11:06:09,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-10-17 11:06:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2022-10-17 11:06:09,839 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2022-10-17 11:06:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-10-17 11:06:09,839 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-10-17 11:06:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2022-10-17 11:06:09,839 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2022-10-17 11:06:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2022-10-17 11:06:09,839 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2022-10-17 11:06:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-17 11:06:09,840 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-17 11:06:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 11:06:09,840 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 11:06:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-17 11:06:09,840 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-17 11:06:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 11:06:09,841 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 11:06:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 11:06:09,841 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 11:06:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 11:06:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2022-10-17 11:06:09,841 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2022-10-17 11:06:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 11:06:09,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 11:06:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-10-17 11:06:09,842 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-10-17 11:06:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2022-10-17 11:06:09,914 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2022-10-17 11:06:09,914 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-10-17 11:06:09,914 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-10-17 11:06:09,914 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2022-10-17 11:06:09,914 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2022-10-17 11:06:09,914 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-10-17 11:06:09,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-10-17 11:06:09,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 11:06:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 11:06:09,915 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-10-17 11:06:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-10-17 11:06:09,915 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-10-17 11:06:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-10-17 11:06:09,915 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-10-17 11:06:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-10-17 11:06:09,915 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2022-10-17 11:06:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2022-10-17 11:06:09,915 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-10-17 11:06:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-10-17 11:06:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2022-10-17 11:06:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2022-10-17 11:06:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 11:06:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 11:06:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 11:06:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2022-10-17 11:06:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2022-10-17 11:06:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 11:06:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 11:06:11,133 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 11:06:11,140 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 11:06:12,547 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 11:06:23,025 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 11:06:23,226 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 11:06:23,266 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 11:06:23,266 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 11:06:23,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:06:23 BoogieIcfgContainer [2022-10-17 11:06:23,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 11:06:23,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 11:06:23,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 11:06:23,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 11:06:23,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 11:06:02" (1/3) ... [2022-10-17 11:06:23,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@336997e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 11:06:23, skipping insertion in model container [2022-10-17 11:06:23,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:08" (2/3) ... [2022-10-17 11:06:23,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@336997e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 11:06:23, skipping insertion in model container [2022-10-17 11:06:23,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:06:23" (3/3) ... [2022-10-17 11:06:23,284 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i [2022-10-17 11:06:23,308 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 11:06:23,308 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-17 11:06:23,466 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 11:06:23,473 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;@51aaea81, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 11:06:23,473 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-17 11:06:23,490 INFO L276 IsEmpty]: Start isEmpty. Operand has 3751 states, 2713 states have (on average 1.4456321415407298) internal successors, (3922), 2812 states have internal predecessors, (3922), 914 states have call successors, (914), 124 states have call predecessors, (914), 123 states have return successors, (907), 863 states have call predecessors, (907), 907 states have call successors, (907) [2022-10-17 11:06:23,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-17 11:06:23,519 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 11:06:23,520 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:06:23,521 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 11:06:23,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:06:23,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1384705778, now seen corresponding path program 1 times [2022-10-17 11:06:23,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:06:23,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577260798] [2022-10-17 11:06:23,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:06:23,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:06:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:24,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 11:06:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:24,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 11:06:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 11:06:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 11:06:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 11:06:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 11:06:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 11:06:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 11:06:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 11:06:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 11:06:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 11:06:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 11:06:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 11:06:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 11:06:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 11:06:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 11:06:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 11:06:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 11:06:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-17 11:06:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 11:06:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-17 11:06:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 11:06:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-17 11:06:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 11:06:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-17 11:06:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 11:06:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-17 11:06:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-17 11:06:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:25,377 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-10-17 11:06:25,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:06:25,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577260798] [2022-10-17 11:06:25,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577260798] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:06:25,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:06:25,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 11:06:25,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701170394] [2022-10-17 11:06:25,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:06:25,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 11:06:25,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:06:25,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 11:06:25,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 11:06:25,429 INFO L87 Difference]: Start difference. First operand has 3751 states, 2713 states have (on average 1.4456321415407298) internal successors, (3922), 2812 states have internal predecessors, (3922), 914 states have call successors, (914), 124 states have call predecessors, (914), 123 states have return successors, (907), 863 states have call predecessors, (907), 907 states have call successors, (907) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16)