./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e11f071-e587-4fe3-b79b-d1791b6550b7/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e11f071-e587-4fe3-b79b-d1791b6550b7/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e11f071-e587-4fe3-b79b-d1791b6550b7/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e11f071-e587-4fe3-b79b-d1791b6550b7/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e11f071-e587-4fe3-b79b-d1791b6550b7/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e11f071-e587-4fe3-b79b-d1791b6550b7/bin/uautomizer-Dbtcem3rbc --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 3f6913532a755844f996d9829f52a3e3b688eef2b6253ebf9e48902f9dc25d55 --- 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-5e519f3 [2022-11-02 21:02:48,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:02:48,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:02:48,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:02:48,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:02:48,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:02:48,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:02:48,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:02:48,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:02:48,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:02:48,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:02:48,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:02:48,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:02:48,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:02:48,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:02:48,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:02:48,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:02:48,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:02:48,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:02:48,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:02:48,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:02:48,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:02:48,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:02:48,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:02:48,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:02:48,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:02:48,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:02:48,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:02:48,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:02:48,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:02:48,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:02:48,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:02:48,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:02:48,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:02:48,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:02:48,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:02:48,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:02:48,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:02:48,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:02:48,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:02:48,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:02:48,443 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e11f071-e587-4fe3-b79b-d1791b6550b7/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 21:02:48,486 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:02:48,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:02:48,488 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:02:48,488 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:02:48,489 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:02:48,489 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:02:48,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:02:48,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:02:48,490 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:02:48,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:02:48,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:02:48,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:02:48,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:02:48,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:02:48,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:02:48,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:02:48,493 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:02:48,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:02:48,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:02:48,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:02:48,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:02:48,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:02:48,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:02:48,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:02:48,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:02:48,495 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:02:48,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:02:48,496 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:02:48,496 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:02:48,496 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:02:48,497 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_1e11f071-e587-4fe3-b79b-d1791b6550b7/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e11f071-e587-4fe3-b79b-d1791b6550b7/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f6913532a755844f996d9829f52a3e3b688eef2b6253ebf9e48902f9dc25d55 [2022-11-02 21:02:48,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:02:48,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:02:48,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:02:48,866 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:02:48,866 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:02:48,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e11f071-e587-4fe3-b79b-d1791b6550b7/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i [2022-11-02 21:02:48,949 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e11f071-e587-4fe3-b79b-d1791b6550b7/bin/uautomizer-Dbtcem3rbc/data/8809733da/797a3867060a45468ee63ee28af417b1/FLAG5a56f428a [2022-11-02 21:02:50,137 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:02:50,139 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e11f071-e587-4fe3-b79b-d1791b6550b7/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i [2022-11-02 21:02:50,245 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e11f071-e587-4fe3-b79b-d1791b6550b7/bin/uautomizer-Dbtcem3rbc/data/8809733da/797a3867060a45468ee63ee28af417b1/FLAG5a56f428a [2022-11-02 21:02:50,329 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e11f071-e587-4fe3-b79b-d1791b6550b7/bin/uautomizer-Dbtcem3rbc/data/8809733da/797a3867060a45468ee63ee28af417b1 [2022-11-02 21:02:50,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:02:50,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:02:50,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:02:50,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:02:50,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:02:50,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:02:50" (1/1) ... [2022-11-02 21:02:50,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cef8283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:50, skipping insertion in model container [2022-11-02 21:02:50,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:02:50" (1/1) ... [2022-11-02 21:02:50,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:02:50,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:02:55,655 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_1e11f071-e587-4fe3-b79b-d1791b6550b7/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i[502624,502637] [2022-11-02 21:02:55,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:02:55,963 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:02:56,774 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_1e11f071-e587-4fe3-b79b-d1791b6550b7/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i[502624,502637] [2022-11-02 21:02:56,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:02:57,175 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:02:57,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:57 WrapperNode [2022-11-02 21:02:57,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:02:57,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:02:57,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:02:57,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:02:57,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:57" (1/1) ... [2022-11-02 21:02:57,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:57" (1/1) ... [2022-11-02 21:02:59,203 INFO L138 Inliner]: procedures = 567, calls = 7123, calls flagged for inlining = 254, calls inlined = 183, statements flattened = 10378 [2022-11-02 21:02:59,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:02:59,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:02:59,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:02:59,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:02:59,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:57" (1/1) ... [2022-11-02 21:02:59,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:57" (1/1) ... [2022-11-02 21:03:00,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:57" (1/1) ... [2022-11-02 21:03:00,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:57" (1/1) ... [2022-11-02 21:03:01,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:57" (1/1) ... [2022-11-02 21:03:01,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:57" (1/1) ... [2022-11-02 21:03:01,443 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:57" (1/1) ... [2022-11-02 21:03:01,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:57" (1/1) ... [2022-11-02 21:03:02,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:03:02,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:03:02,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:03:02,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:03:02,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:57" (1/1) ... [2022-11-02 21:03:02,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:03:02,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e11f071-e587-4fe3-b79b-d1791b6550b7/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:03:02,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e11f071-e587-4fe3-b79b-d1791b6550b7/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:03:02,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e11f071-e587-4fe3-b79b-d1791b6550b7/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:03:02,236 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-02 21:03:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-02 21:03:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-02 21:03:02,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-02 21:03:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-02 21:03:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-02 21:03:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-02 21:03:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-11-02 21:03:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-11-02 21:03:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-02 21:03:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-02 21:03:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-02 21:03:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-02 21:03:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-11-02 21:03:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-11-02 21:03:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 21:03:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 21:03:02,240 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-11-02 21:03:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-11-02 21:03:02,240 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-11-02 21:03:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-11-02 21:03:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-11-02 21:03:02,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-11-02 21:03:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-02 21:03:02,241 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-02 21:03:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-11-02 21:03:02,242 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-11-02 21:03:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-02 21:03:02,242 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-02 21:03:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-02 21:03:02,242 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-02 21:03:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-02 21:03:02,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-02 21:03:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-02 21:03:02,243 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-02 21:03:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-02 21:03:02,244 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-02 21:03:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-02 21:03:02,244 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-02 21:03:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-02 21:03:02,245 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-02 21:03:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-11-02 21:03:02,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-11-02 21:03:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 21:03:02,246 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 21:03:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-02 21:03:02,246 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-02 21:03:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-11-02 21:03:02,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-11-02 21:03:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-11-02 21:03:02,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-11-02 21:03:02,248 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-02 21:03:02,248 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-02 21:03:02,249 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-11-02 21:03:02,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-11-02 21:03:02,249 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-02 21:03:02,250 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-02 21:03:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-02 21:03:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-11-02 21:03:02,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-11-02 21:03:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-02 21:03:02,252 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-02 21:03:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-02 21:03:02,252 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-02 21:03:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:03:02,253 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-02 21:03:02,253 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-02 21:03:02,254 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-11-02 21:03:02,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-11-02 21:03:02,254 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-11-02 21:03:02,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-11-02 21:03:02,255 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-11-02 21:03:02,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-11-02 21:03:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-11-02 21:03:02,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-11-02 21:03:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-02 21:03:02,256 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-02 21:03:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-11-02 21:03:02,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-11-02 21:03:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-11-02 21:03:02,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-11-02 21:03:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 21:03:02,258 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 21:03:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-11-02 21:03:02,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-11-02 21:03:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 21:03:02,258 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 21:03:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-02 21:03:02,259 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-02 21:03:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 21:03:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-02 21:03:02,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-02 21:03:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 21:03:02,261 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 21:03:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-02 21:03:02,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-02 21:03:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-11-02 21:03:02,263 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-11-02 21:03:02,263 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-11-02 21:03:02,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-11-02 21:03:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 21:03:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-11-02 21:03:02,264 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-11-02 21:03:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-11-02 21:03:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-11-02 21:03:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:03:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-02 21:03:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-02 21:03:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 21:03:02,266 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 21:03:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-02 21:03:02,266 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-02 21:03:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-02 21:03:02,267 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-02 21:03:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-11-02 21:03:02,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-11-02 21:03:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-02 21:03:02,268 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-02 21:03:02,269 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-02 21:03:02,272 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-02 21:03:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-11-02 21:03:02,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-11-02 21:03:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-11-02 21:03:02,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-11-02 21:03:02,275 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-02 21:03:02,277 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-02 21:03:02,277 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-02 21:03:02,277 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-02 21:03:02,283 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-02 21:03:02,283 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-02 21:03:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-11-02 21:03:02,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-11-02 21:03:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 21:03:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-11-02 21:03:02,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-11-02 21:03:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-11-02 21:03:02,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-11-02 21:03:02,285 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-11-02 21:03:02,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-11-02 21:03:02,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:03:02,285 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-02 21:03:02,286 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-02 21:03:02,286 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 21:03:02,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 21:03:02,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 21:03:02,286 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 21:03:02,286 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-11-02 21:03:02,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-11-02 21:03:02,287 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-11-02 21:03:02,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-11-02 21:03:02,287 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-02 21:03:02,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-02 21:03:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-02 21:03:02,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-02 21:03:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-02 21:03:02,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-02 21:03:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2022-11-02 21:03:02,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2022-11-02 21:03:02,289 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-02 21:03:02,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-02 21:03:02,289 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-11-02 21:03:02,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-11-02 21:03:02,289 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-02 21:03:02,290 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-02 21:03:02,290 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-11-02 21:03:02,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-11-02 21:03:02,290 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 21:03:02,290 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 21:03:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-02 21:03:02,291 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-02 21:03:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-11-02 21:03:02,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-11-02 21:03:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-02 21:03:02,291 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-02 21:03:02,292 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-02 21:03:02,292 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-02 21:03:02,292 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-02 21:03:02,292 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-02 21:03:02,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2022-11-02 21:03:02,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2022-11-02 21:03:02,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:03:02,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:03:02,293 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-11-02 21:03:02,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-11-02 21:03:02,293 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-02 21:03:02,294 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-02 21:03:02,294 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-11-02 21:03:02,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-11-02 21:03:02,294 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-11-02 21:03:02,294 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-11-02 21:03:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-02 21:03:02,295 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-02 21:03:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-11-02 21:03:02,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-11-02 21:03:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 21:03:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 21:03:02,296 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-02 21:03:02,296 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-02 21:03:02,296 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-02 21:03:02,296 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-02 21:03:02,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-02 21:03:02,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-02 21:03:02,297 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-11-02 21:03:02,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-11-02 21:03:02,297 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-02 21:03:02,297 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-02 21:03:02,298 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-02 21:03:02,298 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-02 21:03:02,298 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-02 21:03:02,298 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-02 21:03:02,298 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-11-02 21:03:02,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-11-02 21:03:02,299 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-02 21:03:02,299 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-02 21:03:02,299 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-02 21:03:02,299 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-11-02 21:03:02,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-11-02 21:03:02,300 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-11-02 21:03:02,300 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-11-02 21:03:02,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2022-11-02 21:03:02,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2022-11-02 21:03:02,300 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 21:03:02,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 21:03:02,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 21:03:02,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 21:03:02,301 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-02 21:03:02,301 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-02 21:03:02,302 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-02 21:03:02,302 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-02 21:03:02,302 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-02 21:03:02,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-02 21:03:02,302 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-11-02 21:03:02,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-11-02 21:03:02,303 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-02 21:03:02,303 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-02 21:03:02,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 21:03:02,303 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 21:03:02,303 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-11-02 21:03:02,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-11-02 21:03:02,304 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-02 21:03:02,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-02 21:03:02,304 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-02 21:03:02,304 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-02 21:03:02,304 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-02 21:03:02,305 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-02 21:03:02,306 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-11-02 21:03:02,319 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-11-02 21:03:02,320 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-02 21:03:02,320 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-02 21:03:02,320 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-02 21:03:02,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-02 21:03:02,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:03:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 21:03:02,321 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 21:03:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-02 21:03:02,322 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-02 21:03:02,324 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-02 21:03:02,325 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-02 21:03:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 21:03:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-02 21:03:02,325 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-02 21:03:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-11-02 21:03:02,326 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-11-02 21:03:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-02 21:03:02,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-02 21:03:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 21:03:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-11-02 21:03:02,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-11-02 21:03:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-02 21:03:02,327 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-02 21:03:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-11-02 21:03:02,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-11-02 21:03:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-02 21:03:02,328 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-02 21:03:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-02 21:03:02,328 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-02 21:03:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-02 21:03:02,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-02 21:03:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-11-02 21:03:02,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-11-02 21:03:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-02 21:03:02,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-02 21:03:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-02 21:03:02,329 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-02 21:03:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-02 21:03:02,330 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-02 21:03:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-02 21:03:02,330 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-02 21:03:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-02 21:03:02,331 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-02 21:03:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-11-02 21:03:02,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-11-02 21:03:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-02 21:03:02,331 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-02 21:03:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-02 21:03:02,332 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-02 21:03:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-02 21:03:02,332 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-02 21:03:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-02 21:03:02,332 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-02 21:03:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-11-02 21:03:02,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-11-02 21:03:02,333 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 21:03:02,333 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 21:03:02,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:03:02,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 21:03:02,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 21:03:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-11-02 21:03:02,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-11-02 21:03:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-02 21:03:02,347 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-02 21:03:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-02 21:03:02,347 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-02 21:03:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-11-02 21:03:02,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-11-02 21:03:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-11-02 21:03:02,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-11-02 21:03:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-02 21:03:02,348 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-02 21:03:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-11-02 21:03:02,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-11-02 21:03:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-02 21:03:02,349 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-02 21:03:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-02 21:03:02,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-02 21:03:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-11-02 21:03:02,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-11-02 21:03:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-11-02 21:03:02,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-11-02 21:03:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-02 21:03:02,351 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-02 21:03:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-02 21:03:02,351 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-02 21:03:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-11-02 21:03:02,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-11-02 21:03:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-11-02 21:03:02,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-11-02 21:03:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-02 21:03:02,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-02 21:03:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-02 21:03:02,352 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-02 21:03:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-11-02 21:03:02,353 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-11-02 21:03:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-11-02 21:03:02,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-11-02 21:03:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-02 21:03:02,353 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-02 21:03:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 21:03:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 21:03:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:03:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-11-02 21:03:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-11-02 21:03:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-11-02 21:03:02,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-11-02 21:03:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-02 21:03:02,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-02 21:03:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2022-11-02 21:03:02,355 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2022-11-02 21:03:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-02 21:03:02,356 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-02 21:03:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-11-02 21:03:02,356 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-11-02 21:03:03,943 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:03:03,953 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:05:25,510 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:05:25,530 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:05:25,530 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 21:05:25,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:05:25 BoogieIcfgContainer [2022-11-02 21:05:25,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:05:25,539 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:05:25,539 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:05:25,543 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:05:25,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:02:50" (1/3) ... [2022-11-02 21:05:25,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd747df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:05:25, skipping insertion in model container [2022-11-02 21:05:25,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:57" (2/3) ... [2022-11-02 21:05:25,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd747df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:05:25, skipping insertion in model container [2022-11-02 21:05:25,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:05:25" (3/3) ... [2022-11-02 21:05:25,546 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i [2022-11-02 21:05:25,564 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:05:25,564 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 21:05:25,675 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:05:25,684 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;@19dd4b1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:05:25,684 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 21:05:25,699 INFO L276 IsEmpty]: Start isEmpty. Operand has 3121 states, 2200 states have (on average 1.345) internal successors, (2959), 2245 states have internal predecessors, (2959), 748 states have call successors, (748), 171 states have call predecessors, (748), 171 states have return successors, (748), 740 states have call predecessors, (748), 748 states have call successors, (748) [2022-11-02 21:05:25,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-02 21:05:25,708 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:25,708 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:25,709 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:05:25,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:25,715 INFO L85 PathProgramCache]: Analyzing trace with hash -86894888, now seen corresponding path program 1 times [2022-11-02 21:05:25,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:25,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458539044] [2022-11-02 21:05:25,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:25,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:26,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:05:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:26,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:05:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:26,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:05:26,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:26,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458539044] [2022-11-02 21:05:26,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458539044] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:26,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:26,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:05:26,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356190560] [2022-11-02 21:05:26,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:26,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:05:26,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:27,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:05:27,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:05:27,009 INFO L87 Difference]: Start difference. First operand has 3121 states, 2200 states have (on average 1.345) internal successors, (2959), 2245 states have internal predecessors, (2959), 748 states have call successors, (748), 171 states have call predecessors, (748), 171 states have return successors, (748), 740 states have call predecessors, (748), 748 states have call successors, (748) Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 21:05:35,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:35,412 INFO L93 Difference]: Finished difference Result 6598 states and 9535 transitions. [2022-11-02 21:05:35,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:05:35,414 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2022-11-02 21:05:35,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:05:35,453 INFO L225 Difference]: With dead ends: 6598 [2022-11-02 21:05:35,454 INFO L226 Difference]: Without dead ends: 3473 [2022-11-02 21:05:35,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:05:35,483 INFO L413 NwaCegarLoop]: 3701 mSDtfsCounter, 5897 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 1689 mSolverCounterSat, 2421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6174 SdHoareTripleChecker+Valid, 4246 SdHoareTripleChecker+Invalid, 4110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2421 IncrementalHoareTripleChecker+Valid, 1689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-11-02 21:05:35,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6174 Valid, 4246 Invalid, 4110 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2421 Valid, 1689 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2022-11-02 21:05:35,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3473 states. [2022-11-02 21:05:35,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3473 to 3104. [2022-11-02 21:05:35,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3104 states, 2187 states have (on average 1.3415637860082306) internal successors, (2934), 2229 states have internal predecessors, (2934), 747 states have call successors, (747), 171 states have call predecessors, (747), 169 states have return successors, (742), 734 states have call predecessors, (742), 742 states have call successors, (742) [2022-11-02 21:05:35,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 3104 states and 4423 transitions. [2022-11-02 21:05:35,856 INFO L78 Accepts]: Start accepts. Automaton has 3104 states and 4423 transitions. Word has length 17 [2022-11-02 21:05:35,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:05:35,856 INFO L495 AbstractCegarLoop]: Abstraction has 3104 states and 4423 transitions. [2022-11-02 21:05:35,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 21:05:35,857 INFO L276 IsEmpty]: Start isEmpty. Operand 3104 states and 4423 transitions. [2022-11-02 21:05:35,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-02 21:05:35,859 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:35,859 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:35,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:05:35,860 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:05:35,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:35,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1598856956, now seen corresponding path program 1 times [2022-11-02 21:05:35,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:35,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289267674] [2022-11-02 21:05:35,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:35,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:36,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:05:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:36,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:05:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:36,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:05:36,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:36,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289267674] [2022-11-02 21:05:36,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289267674] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:36,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:36,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:05:36,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214024741] [2022-11-02 21:05:36,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:36,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:05:36,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:36,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:05:36,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:05:36,659 INFO L87 Difference]: Start difference. First operand 3104 states and 4423 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 21:05:43,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:43,797 INFO L93 Difference]: Finished difference Result 3390 states and 4822 transitions. [2022-11-02 21:05:43,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:05:43,798 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2022-11-02 21:05:43,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:05:43,822 INFO L225 Difference]: With dead ends: 3390 [2022-11-02 21:05:43,823 INFO L226 Difference]: Without dead ends: 3386 [2022-11-02 21:05:43,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:05:43,827 INFO L413 NwaCegarLoop]: 3791 mSDtfsCounter, 5386 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 1742 mSolverCounterSat, 2305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5660 SdHoareTripleChecker+Valid, 4398 SdHoareTripleChecker+Invalid, 4047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2305 IncrementalHoareTripleChecker+Valid, 1742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-02 21:05:43,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5660 Valid, 4398 Invalid, 4047 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2305 Valid, 1742 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-11-02 21:05:43,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2022-11-02 21:05:44,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3384. [2022-11-02 21:05:44,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3384 states, 2381 states have (on average 1.3460730785384292) internal successors, (3205), 2423 states have internal predecessors, (3205), 807 states have call successors, (807), 197 states have call predecessors, (807), 195 states have return successors, (804), 795 states have call predecessors, (804), 804 states have call successors, (804) [2022-11-02 21:05:44,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3384 states to 3384 states and 4816 transitions. [2022-11-02 21:05:44,045 INFO L78 Accepts]: Start accepts. Automaton has 3384 states and 4816 transitions. Word has length 18 [2022-11-02 21:05:44,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:05:44,046 INFO L495 AbstractCegarLoop]: Abstraction has 3384 states and 4816 transitions. [2022-11-02 21:05:44,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 21:05:44,046 INFO L276 IsEmpty]: Start isEmpty. Operand 3384 states and 4816 transitions. [2022-11-02 21:05:44,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 21:05:44,047 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:44,047 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:44,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:05:44,047 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:05:44,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:44,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1977405861, now seen corresponding path program 1 times [2022-11-02 21:05:44,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:44,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584947524] [2022-11-02 21:05:44,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:44,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:44,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:05:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:44,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:05:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:44,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:05:44,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:44,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584947524] [2022-11-02 21:05:44,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584947524] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:44,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:44,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:05:44,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003491543] [2022-11-02 21:05:44,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:44,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:05:44,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:44,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:05:44,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:05:44,684 INFO L87 Difference]: Start difference. First operand 3384 states and 4816 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 21:05:52,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:52,805 INFO L93 Difference]: Finished difference Result 3755 states and 5384 transitions. [2022-11-02 21:05:52,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:05:52,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 19 [2022-11-02 21:05:52,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:05:52,831 INFO L225 Difference]: With dead ends: 3755 [2022-11-02 21:05:52,832 INFO L226 Difference]: Without dead ends: 3744 [2022-11-02 21:05:52,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:05:52,844 INFO L413 NwaCegarLoop]: 3706 mSDtfsCounter, 5828 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 1685 mSolverCounterSat, 2401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6102 SdHoareTripleChecker+Valid, 4248 SdHoareTripleChecker+Invalid, 4086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2401 IncrementalHoareTripleChecker+Valid, 1685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-02 21:05:52,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6102 Valid, 4248 Invalid, 4086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2401 Valid, 1685 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2022-11-02 21:05:52,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3744 states. [2022-11-02 21:05:53,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3375. [2022-11-02 21:05:53,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3375 states, 2375 states have (on average 1.3448421052631578) internal successors, (3194), 2416 states have internal predecessors, (3194), 804 states have call successors, (804), 196 states have call predecessors, (804), 195 states have return successors, (803), 794 states have call predecessors, (803), 803 states have call successors, (803) [2022-11-02 21:05:53,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3375 states to 3375 states and 4801 transitions. [2022-11-02 21:05:53,279 INFO L78 Accepts]: Start accepts. Automaton has 3375 states and 4801 transitions. Word has length 19 [2022-11-02 21:05:53,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:05:53,280 INFO L495 AbstractCegarLoop]: Abstraction has 3375 states and 4801 transitions. [2022-11-02 21:05:53,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 21:05:53,280 INFO L276 IsEmpty]: Start isEmpty. Operand 3375 states and 4801 transitions. [2022-11-02 21:05:53,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-02 21:05:53,297 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:53,297 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2022-11-02 21:05:53,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 21:05:53,297 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:05:53,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:53,298 INFO L85 PathProgramCache]: Analyzing trace with hash -36426860, now seen corresponding path program 1 times [2022-11-02 21:05:53,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:53,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386390505] [2022-11-02 21:05:53,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:53,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:54,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:05:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:54,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:05:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:54,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:05:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:54,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:05:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:54,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:05:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:54,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 21:05:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:54,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 21:05:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:54,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:54,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-02 21:05:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:54,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-02 21:05:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:54,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:54,581 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-02 21:05:54,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:54,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386390505] [2022-11-02 21:05:54,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386390505] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:54,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:54,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:05:54,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812651534] [2022-11-02 21:05:54,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:54,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:05:54,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:54,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:05:54,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:05:54,585 INFO L87 Difference]: Start difference. First operand 3375 states and 4801 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-02 21:06:11,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:13,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:15,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:18,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:20,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:24,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:26,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:30,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:06:30,868 INFO L93 Difference]: Finished difference Result 4288 states and 6288 transitions. [2022-11-02 21:06:30,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 21:06:30,869 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 78 [2022-11-02 21:06:30,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:06:30,871 INFO L225 Difference]: With dead ends: 4288 [2022-11-02 21:06:30,871 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 21:06:30,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:06:30,889 INFO L413 NwaCegarLoop]: 4070 mSDtfsCounter, 7396 mSDsluCounter, 2546 mSDsCounter, 0 mSdLazyCounter, 6871 mSolverCounterSat, 4817 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7659 SdHoareTripleChecker+Valid, 6616 SdHoareTripleChecker+Invalid, 11693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4817 IncrementalHoareTripleChecker+Valid, 6871 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.6s IncrementalHoareTripleChecker+Time [2022-11-02 21:06:30,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7659 Valid, 6616 Invalid, 11693 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4817 Valid, 6871 Invalid, 5 Unknown, 0 Unchecked, 35.6s Time] [2022-11-02 21:06:30,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 21:06:30,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 21:06:30,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:30,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 21:06:30,891 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2022-11-02 21:06:30,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:06:30,892 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 21:06:30,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-02 21:06:30,892 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 21:06:30,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 21:06:30,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 21:06:30,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 21:06:30,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.