./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-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe3368-0cea-4fc7-a255-771cd94cc938/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe3368-0cea-4fc7-a255-771cd94cc938/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_2dfe3368-0cea-4fc7-a255-771cd94cc938/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe3368-0cea-4fc7-a255-771cd94cc938/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-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe3368-0cea-4fc7-a255-771cd94cc938/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_2dfe3368-0cea-4fc7-a255-771cd94cc938/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 079fce486bad33abab391a672044e04aae9233622e9697c4aac88598201cd13f --- 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 10:20:07,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:20:07,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:20:07,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:20:07,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:20:07,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:20:07,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:20:07,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:20:07,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:20:07,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:20:07,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:20:07,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:20:07,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:20:07,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:20:07,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:20:07,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:20:07,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:20:07,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:20:07,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:20:07,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:20:07,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:20:07,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:20:07,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:20:07,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:20:07,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:20:07,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:20:07,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:20:07,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:20:07,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:20:07,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:20:07,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:20:07,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:20:07,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:20:07,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:20:07,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:20:07,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:20:07,510 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:20:07,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:20:07,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:20:07,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:20:07,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:20:07,514 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe3368-0cea-4fc7-a255-771cd94cc938/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:20:07,541 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:20:07,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:20:07,542 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:20:07,542 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:20:07,543 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:20:07,543 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:20:07,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:20:07,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:20:07,544 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:20:07,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:20:07,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:20:07,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:20:07,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:20:07,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:20:07,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:20:07,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:20:07,545 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:20:07,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:20:07,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:20:07,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:20:07,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:20:07,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:20:07,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:20:07,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:20:07,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:20:07,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:20:07,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:20:07,547 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:20:07,547 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:20:07,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:20:07,547 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_2dfe3368-0cea-4fc7-a255-771cd94cc938/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe3368-0cea-4fc7-a255-771cd94cc938/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 079fce486bad33abab391a672044e04aae9233622e9697c4aac88598201cd13f [2022-10-17 10:20:07,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:20:07,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:20:07,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:20:07,809 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:20:07,813 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:20:07,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe3368-0cea-4fc7-a255-771cd94cc938/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2022-10-17 10:20:07,876 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe3368-0cea-4fc7-a255-771cd94cc938/bin/uautomizer-J5u9QxTXDZ/data/393f2823a/906c8a26b48c4f5c9622831d4beda5db/FLAG2b00280c9 [2022-10-17 10:20:08,758 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:20:08,759 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe3368-0cea-4fc7-a255-771cd94cc938/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2022-10-17 10:20:08,822 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe3368-0cea-4fc7-a255-771cd94cc938/bin/uautomizer-J5u9QxTXDZ/data/393f2823a/906c8a26b48c4f5c9622831d4beda5db/FLAG2b00280c9 [2022-10-17 10:20:09,199 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe3368-0cea-4fc7-a255-771cd94cc938/bin/uautomizer-J5u9QxTXDZ/data/393f2823a/906c8a26b48c4f5c9622831d4beda5db [2022-10-17 10:20:09,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:20:09,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:20:09,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:20:09,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:20:09,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:20:09,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:20:09" (1/1) ... [2022-10-17 10:20:09,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c0d9efb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:09, skipping insertion in model container [2022-10-17 10:20:09,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:20:09" (1/1) ... [2022-10-17 10:20:09,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:20:09,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:20:12,774 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_2dfe3368-0cea-4fc7-a255-771cd94cc938/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423587,423600] [2022-10-17 10:20:12,777 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_2dfe3368-0cea-4fc7-a255-771cd94cc938/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423734,423747] [2022-10-17 10:20:12,778 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_2dfe3368-0cea-4fc7-a255-771cd94cc938/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423873,423886] [2022-10-17 10:20:12,787 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_2dfe3368-0cea-4fc7-a255-771cd94cc938/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[424031,424044] [2022-10-17 10:20:12,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:20:12,934 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:20:13,425 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_2dfe3368-0cea-4fc7-a255-771cd94cc938/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423587,423600] [2022-10-17 10:20:13,426 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_2dfe3368-0cea-4fc7-a255-771cd94cc938/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423734,423747] [2022-10-17 10:20:13,426 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_2dfe3368-0cea-4fc7-a255-771cd94cc938/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423873,423886] [2022-10-17 10:20:13,427 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_2dfe3368-0cea-4fc7-a255-771cd94cc938/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[424031,424044] [2022-10-17 10:20:13,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:20:13,762 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:20:13,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:13 WrapperNode [2022-10-17 10:20:13,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:20:13,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:20:13,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:20:13,765 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:20:13,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:13" (1/1) ... [2022-10-17 10:20:13,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:13" (1/1) ... [2022-10-17 10:20:14,298 INFO L138 Inliner]: procedures = 447, calls = 4156, calls flagged for inlining = 247, calls inlined = 238, statements flattened = 9135 [2022-10-17 10:20:14,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:20:14,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:20:14,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:20:14,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:20:14,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:13" (1/1) ... [2022-10-17 10:20:14,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:13" (1/1) ... [2022-10-17 10:20:14,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:13" (1/1) ... [2022-10-17 10:20:14,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:13" (1/1) ... [2022-10-17 10:20:14,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:13" (1/1) ... [2022-10-17 10:20:14,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:13" (1/1) ... [2022-10-17 10:20:14,726 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:13" (1/1) ... [2022-10-17 10:20:14,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:13" (1/1) ... [2022-10-17 10:20:14,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:20:14,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:20:14,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:20:14,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:20:14,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:13" (1/1) ... [2022-10-17 10:20:14,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:20:14,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe3368-0cea-4fc7-a255-771cd94cc938/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:20:14,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe3368-0cea-4fc7-a255-771cd94cc938/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:20:14,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe3368-0cea-4fc7-a255-771cd94cc938/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:20:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-17 10:20:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-17 10:20:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:20:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:20:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-10-17 10:20:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-10-17 10:20:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-10-17 10:20:14,918 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-10-17 10:20:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2022-10-17 10:20:14,918 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2022-10-17 10:20:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-17 10:20:14,919 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-17 10:20:14,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:20:14,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:20:14,919 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-17 10:20:14,919 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-17 10:20:14,919 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2022-10-17 10:20:14,919 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2022-10-17 10:20:14,919 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2022-10-17 10:20:14,920 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2022-10-17 10:20:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-10-17 10:20:14,920 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-10-17 10:20:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2022-10-17 10:20:14,920 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2022-10-17 10:20:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-17 10:20:14,920 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-17 10:20:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-10-17 10:20:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-10-17 10:20:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-10-17 10:20:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-10-17 10:20:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2022-10-17 10:20:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2022-10-17 10:20:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-10-17 10:20:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-10-17 10:20:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-10-17 10:20:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-10-17 10:20:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:20:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:20:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2022-10-17 10:20:14,923 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2022-10-17 10:20:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-17 10:20:14,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-17 10:20:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:20:14,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 10:20:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-17 10:20:14,924 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-17 10:20:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-10-17 10:20:14,924 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-10-17 10:20:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-17 10:20:14,925 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-17 10:20:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-10-17 10:20:14,926 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-10-17 10:20:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-17 10:20:14,927 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-17 10:20:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:20:14,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:20:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-10-17 10:20:14,927 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-10-17 10:20:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:20:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:20:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-10-17 10:20:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-10-17 10:20:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:20:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2022-10-17 10:20:14,929 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2022-10-17 10:20:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-10-17 10:20:14,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-10-17 10:20:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 10:20:14,929 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 10:20:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 10:20:14,930 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 10:20:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-10-17 10:20:14,930 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-10-17 10:20:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:20:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2022-10-17 10:20:14,930 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2022-10-17 10:20:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-10-17 10:20:14,930 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-10-17 10:20:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2022-10-17 10:20:14,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2022-10-17 10:20:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-17 10:20:14,931 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-17 10:20:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-10-17 10:20:14,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-10-17 10:20:14,932 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 10:20:14,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 10:20:14,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:20:14,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 10:20:14,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 10:20:14,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:20:14,933 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2022-10-17 10:20:14,933 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2022-10-17 10:20:14,933 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-10-17 10:20:14,934 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-10-17 10:20:14,934 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-17 10:20:14,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-17 10:20:14,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:20:14,934 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:20:14,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-10-17 10:20:14,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-10-17 10:20:14,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-17 10:20:14,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-17 10:20:14,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-17 10:20:14,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-17 10:20:14,935 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2022-10-17 10:20:14,935 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2022-10-17 10:20:14,935 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-10-17 10:20:14,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-10-17 10:20:14,936 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-10-17 10:20:14,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-10-17 10:20:14,936 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-17 10:20:14,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-17 10:20:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2022-10-17 10:20:14,939 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2022-10-17 10:20:14,940 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-17 10:20:14,941 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-17 10:20:14,941 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2022-10-17 10:20:14,942 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2022-10-17 10:20:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:20:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-17 10:20:14,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-17 10:20:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-10-17 10:20:14,948 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-10-17 10:20:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-17 10:20:14,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-17 10:20:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-10-17 10:20:14,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-10-17 10:20:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-10-17 10:20:14,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-10-17 10:20:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-10-17 10:20:14,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-10-17 10:20:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:20:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 10:20:14,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 10:20:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 10:20:14,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 10:20:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:20:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-10-17 10:20:14,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-10-17 10:20:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:20:14,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:20:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-17 10:20:14,951 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-17 10:20:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:20:14,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:20:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2022-10-17 10:20:14,951 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2022-10-17 10:20:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-17 10:20:14,952 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-17 10:20:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2022-10-17 10:20:14,952 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2022-10-17 10:20:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-10-17 10:20:14,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-10-17 10:20:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-17 10:20:14,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-17 10:20:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2022-10-17 10:20:14,953 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2022-10-17 10:20:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2022-10-17 10:20:14,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2022-10-17 10:20:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2022-10-17 10:20:14,953 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2022-10-17 10:20:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:20:14,953 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:20:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-17 10:20:14,954 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-17 10:20:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2022-10-17 10:20:14,954 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2022-10-17 10:20:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-17 10:20:14,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-17 10:20:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2022-10-17 10:20:14,954 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2022-10-17 10:20:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-10-17 10:20:14,955 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-10-17 10:20:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2022-10-17 10:20:14,955 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2022-10-17 10:20:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-10-17 10:20:14,955 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-10-17 10:20:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2022-10-17 10:20:14,955 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2022-10-17 10:20:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2022-10-17 10:20:14,955 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2022-10-17 10:20:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-10-17 10:20:14,956 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-10-17 10:20:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:20:14,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:20:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-10-17 10:20:14,957 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-10-17 10:20:14,958 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2022-10-17 10:20:14,958 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2022-10-17 10:20:14,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:20:14,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:20:14,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:20:14,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:20:14,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-10-17 10:20:14,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-10-17 10:20:14,958 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-10-17 10:20:14,959 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-10-17 10:20:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-10-17 10:20:14,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-10-17 10:20:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 10:20:14,959 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 10:20:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-10-17 10:20:14,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-10-17 10:20:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 10:20:14,959 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 10:20:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-10-17 10:20:14,960 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-10-17 10:20:14,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:20:14,960 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-10-17 10:20:14,960 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-10-17 10:20:14,960 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-17 10:20:14,960 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-17 10:20:14,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-10-17 10:20:14,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-10-17 10:20:14,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:20:14,960 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2022-10-17 10:20:14,961 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2022-10-17 10:20:14,961 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2022-10-17 10:20:14,961 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2022-10-17 10:20:14,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:20:14,961 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 10:20:14,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 10:20:14,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-10-17 10:20:14,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-10-17 10:20:14,961 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-17 10:20:14,961 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-17 10:20:14,962 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 10:20:14,962 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 10:20:14,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 10:20:14,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 10:20:14,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-10-17 10:20:14,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-10-17 10:20:14,962 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-10-17 10:20:14,962 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-10-17 10:20:14,962 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-10-17 10:20:14,963 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-10-17 10:20:14,963 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2022-10-17 10:20:14,963 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2022-10-17 10:20:14,963 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-10-17 10:20:14,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-10-17 10:20:14,967 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-10-17 10:20:14,967 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-10-17 10:20:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2022-10-17 10:20:14,968 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2022-10-17 10:20:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-17 10:20:14,968 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-17 10:20:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 10:20:14,968 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 10:20:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-17 10:20:14,970 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-17 10:20:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 10:20:14,970 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 10:20:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2022-10-17 10:20:14,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2022-10-17 10:20:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:20:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2022-10-17 10:20:14,970 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2022-10-17 10:20:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-10-17 10:20:14,970 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-10-17 10:20:14,971 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-17 10:20:14,971 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-17 10:20:14,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:20:14,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:20:14,971 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2022-10-17 10:20:14,971 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2022-10-17 10:20:14,971 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2022-10-17 10:20:14,971 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2022-10-17 10:20:14,971 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-10-17 10:20:14,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-10-17 10:20:14,972 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-10-17 10:20:14,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-10-17 10:20:14,972 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-10-17 10:20:14,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-10-17 10:20:14,972 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2022-10-17 10:20:14,972 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2022-10-17 10:20:14,972 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2022-10-17 10:20:14,972 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2022-10-17 10:20:14,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 10:20:14,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 10:20:14,973 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-10-17 10:20:14,973 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-10-17 10:20:14,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-10-17 10:20:14,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-10-17 10:20:14,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-10-17 10:20:14,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-10-17 10:20:14,973 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 10:20:14,973 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 10:20:14,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:20:14,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 10:20:14,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 10:20:14,974 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-10-17 10:20:14,974 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-10-17 10:20:16,261 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:20:16,265 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:20:18,047 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:20:24,839 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 10:20:25,004 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:20:25,042 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:20:25,042 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:20:25,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:20:25 BoogieIcfgContainer [2022-10-17 10:20:25,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:20:25,050 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:20:25,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:20:25,053 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:20:25,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:20:09" (1/3) ... [2022-10-17 10:20:25,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a104dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:20:25, skipping insertion in model container [2022-10-17 10:20:25,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:13" (2/3) ... [2022-10-17 10:20:25,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a104dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:20:25, skipping insertion in model container [2022-10-17 10:20:25,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:20:25" (3/3) ... [2022-10-17 10:20:25,056 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2022-10-17 10:20:25,078 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:20:25,079 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-17 10:20:25,235 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:20:25,248 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;@658e17b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:20:25,248 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-17 10:20:25,264 INFO L276 IsEmpty]: Start isEmpty. Operand has 3154 states, 2256 states have (on average 1.3754432624113475) internal successors, (3103), 2326 states have internal predecessors, (3103), 759 states have call successors, (759), 138 states have call predecessors, (759), 137 states have return successors, (750), 735 states have call predecessors, (750), 750 states have call successors, (750) [2022-10-17 10:20:25,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-10-17 10:20:25,316 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:20:25,317 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:20:25,317 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:20:25,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:20:25,325 INFO L85 PathProgramCache]: Analyzing trace with hash -689487057, now seen corresponding path program 1 times [2022-10-17 10:20:25,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:20:25,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524986545] [2022-10-17 10:20:25,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:20:25,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:20:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:26,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:20:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:26,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:26,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:20:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:26,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:26,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:20:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:26,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:26,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:20:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:26,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:26,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:20:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:20:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:20:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:20:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:20:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-17 10:20:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-17 10:20:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-17 10:20:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-17 10:20:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-17 10:20:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-17 10:20:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-17 10:20:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-17 10:20:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-10-17 10:20:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-10-17 10:20:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:27,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2022-10-17 10:20:27,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:20:27,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524986545] [2022-10-17 10:20:27,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524986545] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:20:27,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:20:27,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:20:27,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428968907] [2022-10-17 10:20:27,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:20:27,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:20:27,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:20:27,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:20:27,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:20:27,417 INFO L87 Difference]: Start difference. First operand has 3154 states, 2256 states have (on average 1.3754432624113475) internal successors, (3103), 2326 states have internal predecessors, (3103), 759 states have call successors, (759), 138 states have call predecessors, (759), 137 states have return successors, (750), 735 states have call predecessors, (750), 750 states have call successors, (750) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-10-17 10:20:34,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:20:34,750 INFO L93 Difference]: Finished difference Result 9327 states and 13898 transitions. [2022-10-17 10:20:34,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:20:34,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 214 [2022-10-17 10:20:34,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:20:34,832 INFO L225 Difference]: With dead ends: 9327 [2022-10-17 10:20:34,833 INFO L226 Difference]: Without dead ends: 6198 [2022-10-17 10:20:34,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 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 10:20:34,866 INFO L413 NwaCegarLoop]: 4871 mSDtfsCounter, 5141 mSDsluCounter, 5201 mSDsCounter, 0 mSdLazyCounter, 3043 mSolverCounterSat, 2036 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5806 SdHoareTripleChecker+Valid, 10072 SdHoareTripleChecker+Invalid, 5079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2036 IncrementalHoareTripleChecker+Valid, 3043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-10-17 10:20:34,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5806 Valid, 10072 Invalid, 5079 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2036 Valid, 3043 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-10-17 10:20:34,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6198 states. [2022-10-17 10:20:35,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6198 to 6137. [2022-10-17 10:20:35,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6137 states, 4409 states have (on average 1.3454298026763438) internal successors, (5932), 4548 states have internal predecessors, (5932), 1455 states have call successors, (1455), 272 states have call predecessors, (1455), 271 states have return successors, (1452), 1422 states have call predecessors, (1452), 1452 states have call successors, (1452) [2022-10-17 10:20:35,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6137 states to 6137 states and 8839 transitions. [2022-10-17 10:20:35,492 INFO L78 Accepts]: Start accepts. Automaton has 6137 states and 8839 transitions. Word has length 214 [2022-10-17 10:20:35,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:20:35,496 INFO L495 AbstractCegarLoop]: Abstraction has 6137 states and 8839 transitions. [2022-10-17 10:20:35,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-10-17 10:20:35,497 INFO L276 IsEmpty]: Start isEmpty. Operand 6137 states and 8839 transitions. [2022-10-17 10:20:35,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-10-17 10:20:35,513 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:20:35,514 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:20:35,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:20:35,514 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:20:35,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:20:35,516 INFO L85 PathProgramCache]: Analyzing trace with hash -722015313, now seen corresponding path program 1 times [2022-10-17 10:20:35,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:20:35,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284326014] [2022-10-17 10:20:35,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:20:35,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:20:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:20:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:20:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:20:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:20:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:20:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:20:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:20:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:20:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:20:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-17 10:20:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-17 10:20:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-17 10:20:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-17 10:20:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-17 10:20:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-17 10:20:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-17 10:20:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-17 10:20:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-10-17 10:20:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-10-17 10:20:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:20:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:20:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:20:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-10-17 10:20:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:36,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1279 trivial. 0 not checked. [2022-10-17 10:20:36,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:20:36,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284326014] [2022-10-17 10:20:36,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284326014] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:20:36,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:20:36,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:20:36,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390382648] [2022-10-17 10:20:36,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:20:36,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:20:36,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:20:36,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:20:36,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:20:36,653 INFO L87 Difference]: Start difference. First operand 6137 states and 8839 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24)