./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.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_0095f58a-2cb5-4c71-a772-57ba5b5015e7/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0095f58a-2cb5-4c71-a772-57ba5b5015e7/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_0095f58a-2cb5-4c71-a772-57ba5b5015e7/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0095f58a-2cb5-4c71-a772-57ba5b5015e7/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0095f58a-2cb5-4c71-a772-57ba5b5015e7/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_0095f58a-2cb5-4c71-a772-57ba5b5015e7/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 e373372610053a8b3f90a6fe69a2e2f77f1b445737e9545423fdaf4f64c3f09c --- 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 10:29:12,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:29:12,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:29:12,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:29:12,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:29:12,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:29:12,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:29:12,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:29:12,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:29:12,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:29:12,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:29:12,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:29:12,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:29:12,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:29:12,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:29:12,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:29:12,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:29:12,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:29:12,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:29:12,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:29:12,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:29:12,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:29:12,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:29:12,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:29:12,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:29:12,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:29:12,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:29:12,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:29:12,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:29:12,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:29:12,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:29:12,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:29:12,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:29:12,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:29:12,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:29:12,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:29:12,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:29:12,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:29:12,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:29:12,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:29:12,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:29:12,385 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0095f58a-2cb5-4c71-a772-57ba5b5015e7/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:29:12,416 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:29:12,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:29:12,418 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:29:12,419 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:29:12,420 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:29:12,420 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:29:12,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:29:12,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:29:12,422 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:29:12,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:29:12,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:29:12,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:29:12,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:29:12,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:29:12,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:29:12,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:29:12,425 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:29:12,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:29:12,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:29:12,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:29:12,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:29:12,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:29:12,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:29:12,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:29:12,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:29:12,427 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:29:12,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:29:12,428 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:29:12,428 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:29:12,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:29:12,430 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_0095f58a-2cb5-4c71-a772-57ba5b5015e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0095f58a-2cb5-4c71-a772-57ba5b5015e7/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e373372610053a8b3f90a6fe69a2e2f77f1b445737e9545423fdaf4f64c3f09c [2022-10-17 10:29:12,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:29:12,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:29:12,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:29:12,782 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:29:12,783 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:29:12,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0095f58a-2cb5-4c71-a772-57ba5b5015e7/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i [2022-10-17 10:29:12,853 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0095f58a-2cb5-4c71-a772-57ba5b5015e7/bin/uautomizer-J5u9QxTXDZ/data/7081b3b15/6925e5e10ea243fc9fd513b3169719de/FLAGd967c8e67 [2022-10-17 10:29:13,901 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:29:13,902 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0095f58a-2cb5-4c71-a772-57ba5b5015e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i [2022-10-17 10:29:13,970 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0095f58a-2cb5-4c71-a772-57ba5b5015e7/bin/uautomizer-J5u9QxTXDZ/data/7081b3b15/6925e5e10ea243fc9fd513b3169719de/FLAGd967c8e67 [2022-10-17 10:29:14,225 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0095f58a-2cb5-4c71-a772-57ba5b5015e7/bin/uautomizer-J5u9QxTXDZ/data/7081b3b15/6925e5e10ea243fc9fd513b3169719de [2022-10-17 10:29:14,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:29:14,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:29:14,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:29:14,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:29:14,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:29:14,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:29:14" (1/1) ... [2022-10-17 10:29:14,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f05bf73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:14, skipping insertion in model container [2022-10-17 10:29:14,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:29:14" (1/1) ... [2022-10-17 10:29:14,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:29:14,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:29:18,055 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_0095f58a-2cb5-4c71-a772-57ba5b5015e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i[330704,330717] [2022-10-17 10:29:18,059 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_0095f58a-2cb5-4c71-a772-57ba5b5015e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i[330873,330886] [2022-10-17 10:29:18,060 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_0095f58a-2cb5-4c71-a772-57ba5b5015e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i[331040,331053] [2022-10-17 10:29:18,061 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_0095f58a-2cb5-4c71-a772-57ba5b5015e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i[331208,331221] [2022-10-17 10:29:18,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:29:18,175 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:29:18,757 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_0095f58a-2cb5-4c71-a772-57ba5b5015e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i[330704,330717] [2022-10-17 10:29:18,759 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_0095f58a-2cb5-4c71-a772-57ba5b5015e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i[330873,330886] [2022-10-17 10:29:18,759 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_0095f58a-2cb5-4c71-a772-57ba5b5015e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i[331040,331053] [2022-10-17 10:29:18,760 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_0095f58a-2cb5-4c71-a772-57ba5b5015e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i[331208,331221] [2022-10-17 10:29:18,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:29:19,067 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:29:19,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:19 WrapperNode [2022-10-17 10:29:19,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:29:19,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:29:19,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:29:19,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:29:19,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:19" (1/1) ... [2022-10-17 10:29:19,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:19" (1/1) ... [2022-10-17 10:29:19,557 INFO L138 Inliner]: procedures = 423, calls = 1852, calls flagged for inlining = 204, calls inlined = 187, statements flattened = 4946 [2022-10-17 10:29:19,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:29:19,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:29:19,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:29:19,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:29:19,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:19" (1/1) ... [2022-10-17 10:29:19,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:19" (1/1) ... [2022-10-17 10:29:19,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:19" (1/1) ... [2022-10-17 10:29:19,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:19" (1/1) ... [2022-10-17 10:29:19,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:19" (1/1) ... [2022-10-17 10:29:19,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:19" (1/1) ... [2022-10-17 10:29:19,869 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:19" (1/1) ... [2022-10-17 10:29:19,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:19" (1/1) ... [2022-10-17 10:29:20,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:29:20,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:29:20,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:29:20,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:29:20,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:19" (1/1) ... [2022-10-17 10:29:20,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:29:20,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0095f58a-2cb5-4c71-a772-57ba5b5015e7/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:29:20,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0095f58a-2cb5-4c71-a772-57ba5b5015e7/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:29:20,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0095f58a-2cb5-4c71-a772-57ba5b5015e7/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:29:20,164 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-17 10:29:20,165 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-17 10:29:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:29:20,165 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:29:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:29:20,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:29:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-17 10:29:20,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-17 10:29:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-17 10:29:20,167 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-17 10:29:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-10-17 10:29:20,167 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-10-17 10:29:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-10-17 10:29:20,167 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-10-17 10:29:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure desc_to_dma [2022-10-17 10:29:20,168 INFO L138 BoogieDeclarations]: Found implementation of procedure desc_to_dma [2022-10-17 10:29:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-10-17 10:29:20,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-10-17 10:29:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-10-17 10:29:20,169 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-10-17 10:29:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:29:20,169 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:29:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:29:20,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 10:29:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure mii_write [2022-10-17 10:29:20,170 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_write [2022-10-17 10:29:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-17 10:29:20,170 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-17 10:29:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-10-17 10:29:20,171 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-10-17 10:29:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-17 10:29:20,171 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-17 10:29:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:29:20,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:29:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:29:20,172 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:29:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast [2022-10-17 10:29:20,173 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast [2022-10-17 10:29:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-10-17 10:29:20,173 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-10-17 10:29:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:29:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-10-17 10:29:20,174 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-10-17 10:29:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 10:29:20,174 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 10:29:20,176 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 10:29:20,176 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 10:29:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:29:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-17 10:29:20,178 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-17 10:29:20,178 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 10:29:20,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 10:29:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:29:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 10:29:20,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 10:29:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:29:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-17 10:29:20,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-17 10:29:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:29:20,181 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:29:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-10-17 10:29:20,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-10-17 10:29:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-17 10:29:20,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-17 10:29:20,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-17 10:29:20,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-17 10:29:20,183 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-17 10:29:20,183 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-17 10:29:20,183 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-17 10:29:20,183 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-17 10:29:20,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-10-17 10:29:20,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-10-17 10:29:20,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:29:20,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-17 10:29:20,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-17 10:29:20,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-17 10:29:20,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-17 10:29:20,186 INFO L130 BoogieDeclarations]: Found specification of procedure rio_close [2022-10-17 10:29:20,186 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_close [2022-10-17 10:29:20,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:29:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure mii_getbit [2022-10-17 10:29:20,187 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_getbit [2022-10-17 10:29:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 10:29:20,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 10:29:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 10:29:20,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 10:29:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:29:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-10-17 10:29:20,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-10-17 10:29:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:29:20,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:29:20,191 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:29:20,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:29:20,191 INFO L130 BoogieDeclarations]: Found specification of procedure mii_read [2022-10-17 10:29:20,191 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_read [2022-10-17 10:29:20,192 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-10-17 10:29:20,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-10-17 10:29:20,192 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-17 10:29:20,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-17 10:29:20,193 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-10-17 10:29:20,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-10-17 10:29:20,193 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:29:20,193 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:29:20,194 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-17 10:29:20,194 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-17 10:29:20,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-17 10:29:20,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-17 10:29:20,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:29:20,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:29:20,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:29:20,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:29:20,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:29:20,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:29:20,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-17 10:29:20,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-17 10:29:20,202 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-10-17 10:29:20,202 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-10-17 10:29:20,203 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats [2022-10-17 10:29:20,204 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats [2022-10-17 10:29:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-10-17 10:29:20,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-10-17 10:29:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-10-17 10:29:20,210 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-10-17 10:29:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-10-17 10:29:20,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-10-17 10:29:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 10:29:20,211 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 10:29:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-10-17 10:29:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-10-17 10:29:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-10-17 10:29:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-10-17 10:29:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 10:29:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 10:29:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:29:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netdev_private [2022-10-17 10:29:20,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netdev_private [2022-10-17 10:29:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure rio_open [2022-10-17 10:29:20,213 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_open [2022-10-17 10:29:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:29:20,214 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-17 10:29:20,214 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-17 10:29:20,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netdev_private [2022-10-17 10:29:20,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netdev_private [2022-10-17 10:29:20,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:29:20,214 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 10:29:20,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 10:29:20,215 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 10:29:20,215 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 10:29:20,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 10:29:20,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 10:29:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netdev_private [2022-10-17 10:29:20,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netdev_private [2022-10-17 10:29:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-17 10:29:20,216 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-17 10:29:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 10:29:20,216 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 10:29:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure rio_free_tx [2022-10-17 10:29:20,217 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_free_tx [2022-10-17 10:29:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure rio_tx_timeout [2022-10-17 10:29:20,217 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_tx_timeout [2022-10-17 10:29:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netdev_private [2022-10-17 10:29:20,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netdev_private [2022-10-17 10:29:20,218 INFO L130 BoogieDeclarations]: Found specification of procedure rio_remove1 [2022-10-17 10:29:20,218 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_remove1 [2022-10-17 10:29:20,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:29:20,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:29:20,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:29:20,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rio_driver_exit_14_2 [2022-10-17 10:29:20,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rio_driver_exit_14_2 [2022-10-17 10:29:20,219 INFO L130 BoogieDeclarations]: Found specification of procedure mii_send_bits [2022-10-17 10:29:20,219 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_send_bits [2022-10-17 10:29:20,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 10:29:20,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 10:29:20,220 INFO L130 BoogieDeclarations]: Found specification of procedure mii_set_media [2022-10-17 10:29:20,220 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_set_media [2022-10-17 10:29:20,220 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-10-17 10:29:20,220 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-10-17 10:29:20,220 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 10:29:20,221 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 10:29:20,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:29:20,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 10:29:20,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 10:29:21,321 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:29:21,327 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:29:21,456 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:29:26,035 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 10:29:26,170 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:29:26,206 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:29:26,207 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 10:29:26,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:29:26 BoogieIcfgContainer [2022-10-17 10:29:26,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:29:26,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:29:26,219 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:29:26,223 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:29:26,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:29:14" (1/3) ... [2022-10-17 10:29:26,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c271f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:29:26, skipping insertion in model container [2022-10-17 10:29:26,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:19" (2/3) ... [2022-10-17 10:29:26,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c271f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:29:26, skipping insertion in model container [2022-10-17 10:29:26,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:29:26" (3/3) ... [2022-10-17 10:29:26,228 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i [2022-10-17 10:29:26,255 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:29:26,255 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-10-17 10:29:26,405 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:29:26,413 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;@58432a33, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:29:26,414 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-10-17 10:29:26,430 INFO L276 IsEmpty]: Start isEmpty. Operand has 1893 states, 1331 states have (on average 1.3193087903831706) internal successors, (1756), 1364 states have internal predecessors, (1756), 482 states have call successors, (482), 83 states have call predecessors, (482), 82 states have return successors, (476), 473 states have call predecessors, (476), 476 states have call successors, (476) [2022-10-17 10:29:26,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-17 10:29:26,460 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:29:26,462 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:26,462 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-10-17 10:29:26,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:29:26,469 INFO L85 PathProgramCache]: Analyzing trace with hash 174102274, now seen corresponding path program 1 times [2022-10-17 10:29:26,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:29:26,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351077420] [2022-10-17 10:29:26,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:29:26,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:29:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:27,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:29:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:27,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:29:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:27,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:29:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:27,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:29:27,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:27,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:29:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:27,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:29:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:27,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:29:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:27,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:29:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:27,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:29:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:27,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:29:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:27,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:29:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:27,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:29:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:27,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:29:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:27,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:29:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:27,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:29:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:27,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:29:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:27,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:29:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:28,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:29:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:28,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-17 10:29:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:28,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-17 10:29:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:28,137 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-10-17 10:29:28,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:29:28,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351077420] [2022-10-17 10:29:28,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351077420] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:29:28,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:29:28,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:29:28,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766331324] [2022-10-17 10:29:28,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:29:28,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:29:28,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:29:28,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:29:28,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:29:28,198 INFO L87 Difference]: Start difference. First operand has 1893 states, 1331 states have (on average 1.3193087903831706) internal successors, (1756), 1364 states have internal predecessors, (1756), 482 states have call successors, (482), 83 states have call predecessors, (482), 82 states have return successors, (476), 473 states have call predecessors, (476), 476 states have call successors, (476) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-17 10:29:34,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:29:34,867 INFO L93 Difference]: Finished difference Result 5544 states and 8156 transitions. [2022-10-17 10:29:34,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:29:34,870 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 127 [2022-10-17 10:29:34,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:29:34,959 INFO L225 Difference]: With dead ends: 5544 [2022-10-17 10:29:34,959 INFO L226 Difference]: Without dead ends: 3664 [2022-10-17 10:29:34,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 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 10:29:34,998 INFO L413 NwaCegarLoop]: 2754 mSDtfsCounter, 3109 mSDsluCounter, 2501 mSDsCounter, 0 mSdLazyCounter, 2128 mSolverCounterSat, 1364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3541 SdHoareTripleChecker+Valid, 5255 SdHoareTripleChecker+Invalid, 3492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1364 IncrementalHoareTripleChecker+Valid, 2128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-10-17 10:29:34,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3541 Valid, 5255 Invalid, 3492 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1364 Valid, 2128 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-10-17 10:29:35,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3664 states. [2022-10-17 10:29:35,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3664 to 3624. [2022-10-17 10:29:35,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3624 states, 2561 states have (on average 1.2823115970324093) internal successors, (3284), 2620 states have internal predecessors, (3284), 900 states have call successors, (900), 161 states have call predecessors, (900), 160 states have return successors, (896), 890 states have call predecessors, (896), 896 states have call successors, (896) [2022-10-17 10:29:35,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3624 states to 3624 states and 5080 transitions. [2022-10-17 10:29:35,393 INFO L78 Accepts]: Start accepts. Automaton has 3624 states and 5080 transitions. Word has length 127 [2022-10-17 10:29:35,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:29:35,395 INFO L495 AbstractCegarLoop]: Abstraction has 3624 states and 5080 transitions. [2022-10-17 10:29:35,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-17 10:29:35,396 INFO L276 IsEmpty]: Start isEmpty. Operand 3624 states and 5080 transitions. [2022-10-17 10:29:35,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-17 10:29:35,406 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:29:35,407 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:35,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:29:35,407 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-10-17 10:29:35,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:29:35,408 INFO L85 PathProgramCache]: Analyzing trace with hash 2030757096, now seen corresponding path program 1 times [2022-10-17 10:29:35,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:29:35,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782015760] [2022-10-17 10:29:35,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:29:35,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:29:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:35,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:29:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:35,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:29:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:35,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:29:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:35,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:29:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:35,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:29:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:35,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:29:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:35,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:29:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:35,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:29:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:35,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:29:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:35,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:29:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:35,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:29:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:35,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:29:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:35,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:29:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:35,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:29:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:35,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:29:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:35,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:29:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:35,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:29:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:35,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:29:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:35,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-17 10:29:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:36,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-17 10:29:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:36,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-10-17 10:29:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:36,026 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-10-17 10:29:36,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:29:36,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782015760] [2022-10-17 10:29:36,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782015760] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:29:36,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:29:36,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:29:36,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149048277] [2022-10-17 10:29:36,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:29:36,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:29:36,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:29:36,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:29:36,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:29:36,031 INFO L87 Difference]: Start difference. First operand 3624 states and 5080 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13)