./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09042fd-2726-48ba-8cae-884d3779b2a0/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09042fd-2726-48ba-8cae-884d3779b2a0/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09042fd-2726-48ba-8cae-884d3779b2a0/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09042fd-2726-48ba-8cae-884d3779b2a0/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09042fd-2726-48ba-8cae-884d3779b2a0/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09042fd-2726-48ba-8cae-884d3779b2a0/bin/utaipan-I9t0OCRTmS --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 20a6de28a995e8bec501f9dc0dae1900e799afc4f65a76b4a34e69e1daf6b51e --- 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-8393723 [2022-11-19 06:45:35,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:45:35,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:45:35,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:45:35,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:45:35,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:45:35,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:45:35,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:45:35,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:45:35,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:45:35,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:45:35,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:45:35,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:45:35,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:45:35,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:45:35,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:45:35,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:45:35,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:45:35,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:45:35,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:45:35,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:45:35,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:45:35,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:45:35,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:45:35,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:45:35,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:45:35,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:45:35,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:45:35,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:45:35,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:45:35,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:45:35,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:45:35,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:45:35,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:45:35,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:45:35,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:45:35,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:45:35,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:45:35,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:45:35,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:45:35,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:45:35,492 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09042fd-2726-48ba-8cae-884d3779b2a0/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 06:45:35,534 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:45:35,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:45:35,535 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:45:35,536 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:45:35,537 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:45:35,537 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:45:35,537 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:45:35,537 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:45:35,537 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:45:35,538 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:45:35,539 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:45:35,539 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:45:35,539 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:45:35,539 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:45:35,539 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:45:35,539 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:45:35,540 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:45:35,540 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:45:35,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:45:35,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:45:35,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:45:35,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:45:35,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:45:35,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:45:35,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:45:35,542 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:45:35,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:45:35,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:45:35,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:45:35,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:45:35,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:45:35,543 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:45:35,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:45:35,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:45:35,544 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:45:35,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:45:35,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:45:35,544 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:45:35,544 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_b09042fd-2726-48ba-8cae-884d3779b2a0/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09042fd-2726-48ba-8cae-884d3779b2a0/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20a6de28a995e8bec501f9dc0dae1900e799afc4f65a76b4a34e69e1daf6b51e [2022-11-19 06:45:35,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:45:35,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:45:35,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:45:35,867 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:45:35,868 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:45:35,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09042fd-2726-48ba-8cae-884d3779b2a0/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i [2022-11-19 06:45:35,940 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09042fd-2726-48ba-8cae-884d3779b2a0/bin/utaipan-I9t0OCRTmS/data/d0b3991ad/49af4009f4294343b7a210b89aa54ce7/FLAG4beb34f37 [2022-11-19 06:45:37,138 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:45:37,139 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09042fd-2726-48ba-8cae-884d3779b2a0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i [2022-11-19 06:45:37,210 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09042fd-2726-48ba-8cae-884d3779b2a0/bin/utaipan-I9t0OCRTmS/data/d0b3991ad/49af4009f4294343b7a210b89aa54ce7/FLAG4beb34f37 [2022-11-19 06:45:37,317 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09042fd-2726-48ba-8cae-884d3779b2a0/bin/utaipan-I9t0OCRTmS/data/d0b3991ad/49af4009f4294343b7a210b89aa54ce7 [2022-11-19 06:45:37,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:45:37,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:45:37,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:45:37,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:45:37,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:45:37,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:45:37" (1/1) ... [2022-11-19 06:45:37,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41d3f8ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:37, skipping insertion in model container [2022-11-19 06:45:37,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:45:37" (1/1) ... [2022-11-19 06:45:37,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:45:37,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:45:46,319 WARN L234 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_b09042fd-2726-48ba-8cae-884d3779b2a0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i[841290,841303] [2022-11-19 06:45:46,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:45:46,620 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:45:47,910 WARN L234 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_b09042fd-2726-48ba-8cae-884d3779b2a0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i[841290,841303] [2022-11-19 06:45:47,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:45:48,402 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:45:48,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:48 WrapperNode [2022-11-19 06:45:48,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:45:48,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:45:48,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:45:48,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:45:48,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:48" (1/1) ... [2022-11-19 06:45:48,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:48" (1/1) ... [2022-11-19 06:45:49,646 INFO L138 Inliner]: procedures = 715, calls = 14317, calls flagged for inlining = 321, calls inlined = 272, statements flattened = 26452 [2022-11-19 06:45:49,647 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:45:49,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:45:49,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:45:49,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:45:49,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:48" (1/1) ... [2022-11-19 06:45:49,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:48" (1/1) ... [2022-11-19 06:45:49,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:48" (1/1) ... [2022-11-19 06:45:49,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:48" (1/1) ... [2022-11-19 06:45:50,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:48" (1/1) ... [2022-11-19 06:45:50,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:48" (1/1) ... [2022-11-19 06:45:50,667 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:48" (1/1) ... [2022-11-19 06:45:50,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:48" (1/1) ... [2022-11-19 06:45:50,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:45:50,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:45:50,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:45:50,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:45:50,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:48" (1/1) ... [2022-11-19 06:45:50,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:45:51,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09042fd-2726-48ba-8cae-884d3779b2a0/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:45:51,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09042fd-2726-48ba-8cae-884d3779b2a0/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:45:51,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09042fd-2726-48ba-8cae-884d3779b2a0/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:45:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-19 06:45:51,391 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-19 06:45:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2022-11-19 06:45:51,391 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2022-11-19 06:45:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-19 06:45:51,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-19 06:45:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2022-11-19 06:45:51,392 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2022-11-19 06:45:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2022-11-19 06:45:51,392 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2022-11-19 06:45:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-19 06:45:51,393 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-19 06:45:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 06:45:51,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 06:45:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_slot_reset [2022-11-19 06:45:51,393 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_slot_reset [2022-11-19 06:45:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2022-11-19 06:45:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2022-11-19 06:45:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-19 06:45:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-19 06:45:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-19 06:45:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-19 06:45:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-19 06:45:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-19 06:45:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2022-11-19 06:45:51,395 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2022-11-19 06:45:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-19 06:45:51,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-19 06:45:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 06:45:51,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 06:45:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2022-11-19 06:45:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2022-11-19 06:45:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2022-11-19 06:45:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2022-11-19 06:45:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2022-11-19 06:45:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2022-11-19 06:45:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 06:45:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 06:45:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-19 06:45:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-19 06:45:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-19 06:45:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-19 06:45:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2022-11-19 06:45:51,398 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2022-11-19 06:45:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_6 [2022-11-19 06:45:51,398 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_6 [2022-11-19 06:45:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-19 06:45:51,398 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-19 06:45:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2022-11-19 06:45:51,398 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2022-11-19 06:45:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 06:45:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 06:45:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 06:45:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 06:45:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2022-11-19 06:45:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2022-11-19 06:45:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2022-11-19 06:45:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2022-11-19 06:45:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-19 06:45:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-19 06:45:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2022-11-19 06:45:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2022-11-19 06:45:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2022-11-19 06:45:51,401 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2022-11-19 06:45:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-19 06:45:51,401 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-19 06:45:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2022-11-19 06:45:51,401 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2022-11-19 06:45:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_fix_features [2022-11-19 06:45:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_fix_features [2022-11-19 06:45:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2022-11-19 06:45:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2022-11-19 06:45:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 06:45:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 06:45:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 06:45:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 06:45:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-19 06:45:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-19 06:45:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-19 06:45:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-19 06:45:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 06:45:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 06:45:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-19 06:45:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-19 06:45:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:45:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-19 06:45:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-19 06:45:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2022-11-19 06:45:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2022-11-19 06:45:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2022-11-19 06:45:51,405 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2022-11-19 06:45:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2022-11-19 06:45:51,405 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2022-11-19 06:45:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-11-19 06:45:51,405 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-11-19 06:45:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-19 06:45:51,406 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-19 06:45:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-19 06:45:51,406 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-19 06:45:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2022-11-19 06:45:51,406 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2022-11-19 06:45:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2022-11-19 06:45:51,407 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2022-11-19 06:45:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2022-11-19 06:45:51,407 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2022-11-19 06:45:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2022-11-19 06:45:51,407 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2022-11-19 06:45:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-19 06:45:51,408 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-19 06:45:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 06:45:51,408 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 06:45:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2022-11-19 06:45:51,408 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2022-11-19 06:45:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2022-11-19 06:45:51,409 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2022-11-19 06:45:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 06:45:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-19 06:45:51,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-19 06:45:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2022-11-19 06:45:51,410 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2022-11-19 06:45:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2022-11-19 06:45:51,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2022-11-19 06:45:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2022-11-19 06:45:51,410 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2022-11-19 06:45:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 06:45:51,411 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 06:45:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2022-11-19 06:45:51,411 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2022-11-19 06:45:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 06:45:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2022-11-19 06:45:51,411 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2022-11-19 06:45:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:45:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 06:45:51,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 06:45:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-19 06:45:51,412 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-19 06:45:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2022-11-19 06:45:51,413 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2022-11-19 06:45:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_10 [2022-11-19 06:45:51,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_10 [2022-11-19 06:45:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 06:45:51,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 06:45:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2022-11-19 06:45:51,414 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2022-11-19 06:45:51,414 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2022-11-19 06:45:51,414 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2022-11-19 06:45:51,414 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2022-11-19 06:45:51,414 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2022-11-19 06:45:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2022-11-19 06:45:51,415 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2022-11-19 06:45:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-19 06:45:51,415 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-19 06:45:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-11-19 06:45:51,415 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-11-19 06:45:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-19 06:45:51,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-19 06:45:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2022-11-19 06:45:51,416 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2022-11-19 06:45:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2022-11-19 06:45:51,416 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2022-11-19 06:45:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-19 06:45:51,417 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-19 06:45:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 06:45:51,417 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 06:45:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-19 06:45:51,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-19 06:45:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2022-11-19 06:45:51,418 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2022-11-19 06:45:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_stats [2022-11-19 06:45:51,418 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_stats [2022-11-19 06:45:51,419 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-19 06:45:51,419 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-19 06:45:51,419 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2022-11-19 06:45:51,419 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2022-11-19 06:45:51,419 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2022-11-19 06:45:51,420 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2022-11-19 06:45:51,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 06:45:51,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 06:45:51,421 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_frag_len [2022-11-19 06:45:51,422 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_frag_len [2022-11-19 06:45:51,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:45:51,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-19 06:45:51,422 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2022-11-19 06:45:51,422 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2022-11-19 06:45:51,422 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-19 06:45:51,423 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-19 06:45:51,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:45:51,424 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-19 06:45:51,424 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-19 06:45:51,424 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 06:45:51,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 06:45:51,424 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2022-11-19 06:45:51,424 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2022-11-19 06:45:51,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:45:51,425 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 06:45:51,425 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-19 06:45:51,425 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-19 06:45:51,425 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_change_mtu [2022-11-19 06:45:51,425 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_change_mtu [2022-11-19 06:45:51,426 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2022-11-19 06:45:51,426 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2022-11-19 06:45:51,427 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-19 06:45:51,427 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-19 06:45:51,427 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2022-11-19 06:45:51,427 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2022-11-19 06:45:51,427 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2022-11-19 06:45:51,427 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2022-11-19 06:45:51,428 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-19 06:45:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-19 06:45:51,428 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2022-11-19 06:45:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2022-11-19 06:45:51,429 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2022-11-19 06:45:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2022-11-19 06:45:51,429 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2022-11-19 06:45:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2022-11-19 06:45:51,430 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-19 06:45:51,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-19 06:45:51,431 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-19 06:45:51,431 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-19 06:45:51,432 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 06:45:51,432 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 06:45:51,432 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2022-11-19 06:45:51,433 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2022-11-19 06:45:51,433 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-19 06:45:51,433 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-19 06:45:51,433 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2022-11-19 06:45:51,433 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2022-11-19 06:45:51,433 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2022-11-19 06:45:51,433 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2022-11-19 06:45:51,434 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2022-11-19 06:45:51,434 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2022-11-19 06:45:51,434 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-19 06:45:51,434 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-19 06:45:51,435 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-19 06:45:51,435 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-19 06:45:51,435 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-19 06:45:51,435 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-19 06:45:51,436 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2022-11-19 06:45:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2022-11-19 06:45:51,439 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-19 06:45:51,439 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-19 06:45:51,440 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2022-11-19 06:45:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2022-11-19 06:45:51,440 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-19 06:45:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-19 06:45:51,442 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 06:45:51,442 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 06:45:51,442 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2022-11-19 06:45:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2022-11-19 06:45:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2022-11-19 06:45:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2022-11-19 06:45:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2022-11-19 06:45:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2022-11-19 06:45:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-19 06:45:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-19 06:45:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:45:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:45:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2022-11-19 06:45:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2022-11-19 06:45:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-19 06:45:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-19 06:45:51,449 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-19 06:45:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-19 06:45:51,449 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2022-11-19 06:45:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2022-11-19 06:45:51,449 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2022-11-19 06:45:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2022-11-19 06:45:51,450 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-19 06:45:51,450 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-19 06:45:51,450 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2022-11-19 06:45:51,450 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2022-11-19 06:45:51,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 06:45:51,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 06:45:51,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 06:45:51,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 06:45:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-19 06:45:51,451 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-19 06:45:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-19 06:45:51,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-19 06:45:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_phy_info_task [2022-11-19 06:45:51,451 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_phy_info_task [2022-11-19 06:45:51,453 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2022-11-19 06:45:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2022-11-19 06:45:51,453 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-19 06:45:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-19 06:45:51,453 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2022-11-19 06:45:51,454 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2022-11-19 06:45:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-19 06:45:51,454 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-19 06:45:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-19 06:45:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-19 06:45:51,454 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-19 06:45:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 06:45:51,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 06:45:51,455 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-19 06:45:51,455 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-19 06:45:51,455 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_alloc_frag [2022-11-19 06:45:51,455 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_alloc_frag [2022-11-19 06:45:51,455 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-19 06:45:51,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-19 06:45:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-19 06:45:51,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-19 06:45:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2022-11-19 06:45:51,456 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2022-11-19 06:45:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-19 06:45:51,456 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-19 06:45:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 06:45:51,457 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 06:45:51,457 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-11-19 06:45:51,457 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-11-19 06:45:51,457 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-19 06:45:51,457 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-19 06:45:51,457 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2022-11-19 06:45:51,457 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2022-11-19 06:45:51,458 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 06:45:51,458 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 06:45:51,458 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2022-11-19 06:45:51,458 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2022-11-19 06:45:51,458 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2022-11-19 06:45:51,458 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2022-11-19 06:45:51,458 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-19 06:45:51,459 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-19 06:45:51,459 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2022-11-19 06:45:51,459 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2022-11-19 06:45:51,459 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-19 06:45:51,459 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-19 06:45:51,459 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2022-11-19 06:45:51,459 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2022-11-19 06:45:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2022-11-19 06:45:51,460 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2022-11-19 06:45:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-19 06:45:51,460 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-19 06:45:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-19 06:45:51,460 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-19 06:45:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-19 06:45:51,461 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-19 06:45:51,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:45:51,461 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 06:45:51,461 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 06:45:51,461 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-19 06:45:51,461 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-19 06:45:51,461 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-19 06:45:51,462 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-19 06:45:51,462 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2022-11-19 06:45:51,462 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2022-11-19 06:45:51,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:45:51,462 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-19 06:45:51,462 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-19 06:45:51,463 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_task [2022-11-19 06:45:51,463 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_task [2022-11-19 06:45:51,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-19 06:45:51,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-19 06:45:51,463 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_features [2022-11-19 06:45:51,463 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_features [2022-11-19 06:45:51,463 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-19 06:45:51,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-19 06:45:51,464 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-19 06:45:51,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-19 06:45:51,464 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2022-11-19 06:45:51,464 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2022-11-19 06:45:51,464 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2022-11-19 06:45:51,464 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2022-11-19 06:45:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2022-11-19 06:45:51,465 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2022-11-19 06:45:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 06:45:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_6 [2022-11-19 06:45:51,465 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_6 [2022-11-19 06:45:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_watchdog [2022-11-19 06:45:51,467 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_watchdog [2022-11-19 06:45:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2022-11-19 06:45:51,468 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2022-11-19 06:45:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2022-11-19 06:45:51,468 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2022-11-19 06:45:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2022-11-19 06:45:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2022-11-19 06:45:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-19 06:45:51,473 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-19 06:45:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-19 06:45:51,473 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-19 06:45:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2022-11-19 06:45:51,473 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2022-11-19 06:45:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2022-11-19 06:45:51,474 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2022-11-19 06:45:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-19 06:45:51,474 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-19 06:45:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-19 06:45:51,474 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-19 06:45:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2022-11-19 06:45:51,474 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2022-11-19 06:45:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2022-11-19 06:45:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2022-11-19 06:45:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 06:45:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 06:45:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2022-11-19 06:45:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2022-11-19 06:45:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2022-11-19 06:45:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2022-11-19 06:45:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2022-11-19 06:45:51,476 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2022-11-19 06:45:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-11-19 06:45:51,476 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-11-19 06:45:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_45 [2022-11-19 06:45:51,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_45 [2022-11-19 06:45:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2022-11-19 06:45:51,477 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2022-11-19 06:45:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2022-11-19 06:45:51,477 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2022-11-19 06:45:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2022-11-19 06:45:51,477 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2022-11-19 06:45:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-19 06:45:51,477 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-19 06:45:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-19 06:45:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-19 06:45:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-19 06:45:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-19 06:45:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2022-11-19 06:45:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2022-11-19 06:45:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-19 06:45:51,479 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-19 06:45:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2022-11-19 06:45:51,479 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2022-11-19 06:45:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2022-11-19 06:45:51,479 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2022-11-19 06:45:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2022-11-19 06:45:51,479 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2022-11-19 06:45:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-19 06:45:51,480 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-19 06:45:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 06:45:51,480 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 06:45:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2022-11-19 06:45:51,480 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2022-11-19 06:45:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-19 06:45:51,480 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-19 06:45:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-19 06:45:51,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-19 06:45:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 06:45:51,481 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 06:45:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2022-11-19 06:45:51,481 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2022-11-19 06:45:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2022-11-19 06:45:51,482 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2022-11-19 06:45:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:45:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_82547_tx_fifo_stall_task [2022-11-19 06:45:51,482 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_82547_tx_fifo_stall_task [2022-11-19 06:45:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs___0 [2022-11-19 06:45:51,482 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs___0 [2022-11-19 06:45:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2022-11-19 06:45:51,482 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2022-11-19 06:45:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2022-11-19 06:45:51,483 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2022-11-19 06:45:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 06:45:51,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 06:45:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2022-11-19 06:45:51,483 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2022-11-19 06:45:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-11-19 06:45:51,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-11-19 06:45:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2022-11-19 06:45:51,484 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2022-11-19 06:45:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-19 06:45:51,484 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-19 06:45:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2022-11-19 06:45:51,484 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2022-11-19 06:45:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-19 06:45:51,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-19 06:45:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-19 06:45:51,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-19 06:45:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-19 06:45:51,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-19 06:45:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-11-19 06:45:51,486 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-11-19 06:45:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2022-11-19 06:45:51,486 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2022-11-19 06:45:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_error_detected [2022-11-19 06:45:51,486 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_error_detected [2022-11-19 06:45:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-19 06:45:51,486 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-19 06:45:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2022-11-19 06:45:51,487 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2022-11-19 06:45:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2022-11-19 06:45:51,487 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2022-11-19 06:45:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2022-11-19 06:45:51,487 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2022-11-19 06:45:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-19 06:45:51,491 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-19 06:45:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-19 06:45:51,491 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-19 06:45:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs___0 [2022-11-19 06:45:51,492 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs___0 [2022-11-19 06:45:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2022-11-19 06:45:51,492 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2022-11-19 06:45:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2022-11-19 06:45:51,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2022-11-19 06:45:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2022-11-19 06:45:51,493 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2022-11-19 06:45:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2022-11-19 06:45:51,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2022-11-19 06:45:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2022-11-19 06:45:51,495 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2022-11-19 06:45:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-19 06:45:51,496 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-19 06:45:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-19 06:45:51,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-19 06:45:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-19 06:45:51,497 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-19 06:45:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2022-11-19 06:45:51,498 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2022-11-19 06:45:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-19 06:45:51,498 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-19 06:45:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-19 06:45:51,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-19 06:45:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2022-11-19 06:45:51,498 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2022-11-19 06:45:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 06:45:51,499 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 06:45:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-19 06:45:51,499 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-19 06:45:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_ioctl [2022-11-19 06:45:51,499 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_ioctl [2022-11-19 06:45:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-19 06:45:51,500 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-19 06:45:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_mac [2022-11-19 06:45:51,500 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_mac [2022-11-19 06:45:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:45:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-19 06:45:51,500 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-19 06:45:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2022-11-19 06:45:51,500 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2022-11-19 06:45:51,501 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-19 06:45:51,501 INFO L130 BoogieDeclarations]: Found specification of procedure skb_free_frag [2022-11-19 06:45:51,501 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_free_frag [2022-11-19 06:45:53,770 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:45:53,776 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:45:55,311 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 06:46:55,158 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:47:10,400 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:47:10,401 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-19 06:47:10,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:47:10 BoogieIcfgContainer [2022-11-19 06:47:10,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:47:10,417 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:47:10,417 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:47:10,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:47:10,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:45:37" (1/3) ... [2022-11-19 06:47:10,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c302b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:47:10, skipping insertion in model container [2022-11-19 06:47:10,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:48" (2/3) ... [2022-11-19 06:47:10,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c302b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:47:10, skipping insertion in model container [2022-11-19 06:47:10,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:47:10" (3/3) ... [2022-11-19 06:47:10,424 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i [2022-11-19 06:47:10,446 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:47:10,446 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:47:10,667 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:47:10,675 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=FINITE_AUTOMATA, 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;@28f67bfa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:47:10,676 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:47:10,702 INFO L276 IsEmpty]: Start isEmpty. Operand has 6450 states, 4097 states have (on average 1.3390285574810836) internal successors, (5486), 4195 states have internal predecessors, (5486), 2099 states have call successors, (2099), 255 states have call predecessors, (2099), 254 states have return successors, (2089), 2083 states have call predecessors, (2089), 2089 states have call successors, (2089) [2022-11-19 06:47:10,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-19 06:47:10,748 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:47:10,750 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:47:10,751 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:47:10,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:47:10,761 INFO L85 PathProgramCache]: Analyzing trace with hash 581741605, now seen corresponding path program 1 times [2022-11-19 06:47:10,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:47:10,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886589805] [2022-11-19 06:47:10,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:47:10,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:47:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:47:13,385 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2022-11-19 06:47:13,385 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:47:13,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886589805] [2022-11-19 06:47:13,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886589805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:47:13,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:47:13,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:47:13,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416100737] [2022-11-19 06:47:13,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:47:13,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:47:13,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:47:13,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:47:13,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:47:13,455 INFO L87 Difference]: Start difference. First operand has 6450 states, 4097 states have (on average 1.3390285574810836) internal successors, (5486), 4195 states have internal predecessors, (5486), 2099 states have call successors, (2099), 255 states have call predecessors, (2099), 254 states have return successors, (2089), 2083 states have call predecessors, (2089), 2089 states have call successors, (2089) Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 06:47:15,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:18,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:22,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:24,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:31,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:36,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:40,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:47:40,447 INFO L93 Difference]: Finished difference Result 18547 states and 27959 transitions. [2022-11-19 06:47:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:47:40,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 164 [2022-11-19 06:47:40,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:47:40,597 INFO L225 Difference]: With dead ends: 18547 [2022-11-19 06:47:40,597 INFO L226 Difference]: Without dead ends: 12075 [2022-11-19 06:47:40,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:47:40,674 INFO L413 NwaCegarLoop]: 10711 mSDtfsCounter, 8538 mSDsluCounter, 8699 mSDsCounter, 0 mSdLazyCounter, 1720 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8540 SdHoareTripleChecker+Valid, 19410 SdHoareTripleChecker+Invalid, 1728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1720 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:47:40,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8540 Valid, 19410 Invalid, 1728 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 1720 Invalid, 2 Unknown, 0 Unchecked, 26.0s Time] [2022-11-19 06:47:40,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12075 states. [2022-11-19 06:47:41,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12075 to 12063. [2022-11-19 06:47:41,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12063 states, 7665 states have (on average 1.3334637964774951) internal successors, (10221), 7822 states have internal predecessors, (10221), 3919 states have call successors, (3919), 480 states have call predecessors, (3919), 478 states have return successors, (3919), 3902 states have call predecessors, (3919), 3917 states have call successors, (3919) [2022-11-19 06:47:42,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12063 states to 12063 states and 18059 transitions. [2022-11-19 06:47:42,009 INFO L78 Accepts]: Start accepts. Automaton has 12063 states and 18059 transitions. Word has length 164 [2022-11-19 06:47:42,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:47:42,015 INFO L495 AbstractCegarLoop]: Abstraction has 12063 states and 18059 transitions. [2022-11-19 06:47:42,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 06:47:42,015 INFO L276 IsEmpty]: Start isEmpty. Operand 12063 states and 18059 transitions. [2022-11-19 06:47:42,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-11-19 06:47:42,032 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:47:42,033 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:47:42,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:47:42,033 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:47:42,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:47:42,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1996198304, now seen corresponding path program 1 times [2022-11-19 06:47:42,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:47:42,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207995368] [2022-11-19 06:47:42,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:47:42,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:47:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:47:43,458 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-11-19 06:47:43,459 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:47:43,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207995368] [2022-11-19 06:47:43,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207995368] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:47:43,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:47:43,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:47:43,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880937101] [2022-11-19 06:47:43,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:47:43,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:47:43,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:47:43,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:47:43,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:47:43,463 INFO L87 Difference]: Start difference. First operand 12063 states and 18059 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 06:47:45,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:49,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:52,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:47:55,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:08,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:09,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:48:09,401 INFO L93 Difference]: Finished difference Result 35620 states and 53297 transitions. [2022-11-19 06:48:09,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:48:09,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 194 [2022-11-19 06:48:09,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:48:09,626 INFO L225 Difference]: With dead ends: 35620 [2022-11-19 06:48:09,626 INFO L226 Difference]: Without dead ends: 23586 [2022-11-19 06:48:09,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:48:09,738 INFO L413 NwaCegarLoop]: 11543 mSDtfsCounter, 9123 mSDsluCounter, 8774 mSDsCounter, 0 mSdLazyCounter, 1725 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9128 SdHoareTripleChecker+Valid, 20317 SdHoareTripleChecker+Invalid, 1731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1725 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:48:09,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9128 Valid, 20317 Invalid, 1731 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1725 Invalid, 5 Unknown, 0 Unchecked, 25.0s Time] [2022-11-19 06:48:09,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23586 states. [2022-11-19 06:48:11,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23586 to 23499. [2022-11-19 06:48:11,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23499 states, 14903 states have (on average 1.33187948735154) internal successors, (19849), 15215 states have internal predecessors, (19849), 7659 states have call successors, (7659), 941 states have call predecessors, (7659), 936 states have return successors, (7663), 7622 states have call predecessors, (7663), 7657 states have call successors, (7663) [2022-11-19 06:48:11,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23499 states to 23499 states and 35171 transitions. [2022-11-19 06:48:11,975 INFO L78 Accepts]: Start accepts. Automaton has 23499 states and 35171 transitions. Word has length 194 [2022-11-19 06:48:11,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:48:11,979 INFO L495 AbstractCegarLoop]: Abstraction has 23499 states and 35171 transitions. [2022-11-19 06:48:11,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 06:48:11,981 INFO L276 IsEmpty]: Start isEmpty. Operand 23499 states and 35171 transitions. [2022-11-19 06:48:11,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-11-19 06:48:11,989 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:48:11,990 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:48:11,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:48:11,990 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:48:11,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:48:11,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1570637794, now seen corresponding path program 1 times [2022-11-19 06:48:11,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:48:11,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232018656] [2022-11-19 06:48:11,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:48:11,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:48:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:48:13,323 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-11-19 06:48:13,324 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:48:13,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232018656] [2022-11-19 06:48:13,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232018656] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:48:13,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:48:13,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:48:13,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930258624] [2022-11-19 06:48:13,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:48:13,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:48:13,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:48:13,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:48:13,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:48:13,327 INFO L87 Difference]: Start difference. First operand 23499 states and 35171 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-19 06:48:15,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:18,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:21,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:25,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:28,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:31,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:40,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:42,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:43,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:48:43,798 INFO L93 Difference]: Finished difference Result 68152 states and 101957 transitions. [2022-11-19 06:48:43,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:48:43,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 206 [2022-11-19 06:48:43,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:48:44,103 INFO L225 Difference]: With dead ends: 68152 [2022-11-19 06:48:44,103 INFO L226 Difference]: Without dead ends: 44682 [2022-11-19 06:48:44,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:48:44,254 INFO L413 NwaCegarLoop]: 12933 mSDtfsCounter, 8571 mSDsluCounter, 8765 mSDsCounter, 0 mSdLazyCounter, 1991 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8573 SdHoareTripleChecker+Valid, 21698 SdHoareTripleChecker+Invalid, 1996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1991 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.8s IncrementalHoareTripleChecker+Time [2022-11-19 06:48:44,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8573 Valid, 21698 Invalid, 1996 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1991 Invalid, 4 Unknown, 0 Unchecked, 28.8s Time] [2022-11-19 06:48:44,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44682 states. [2022-11-19 06:48:47,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44682 to 44676. [2022-11-19 06:48:47,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44676 states, 28300 states have (on average 1.3291166077738517) internal successors, (37614), 28879 states have internal predecessors, (37614), 14597 states have call successors, (14597), 1785 states have call predecessors, (14597), 1778 states have return successors, (14609), 14539 states have call predecessors, (14609), 14595 states have call successors, (14609) [2022-11-19 06:48:48,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44676 states to 44676 states and 66820 transitions. [2022-11-19 06:48:48,164 INFO L78 Accepts]: Start accepts. Automaton has 44676 states and 66820 transitions. Word has length 206 [2022-11-19 06:48:48,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:48:48,165 INFO L495 AbstractCegarLoop]: Abstraction has 44676 states and 66820 transitions. [2022-11-19 06:48:48,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-19 06:48:48,165 INFO L276 IsEmpty]: Start isEmpty. Operand 44676 states and 66820 transitions. [2022-11-19 06:48:48,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-19 06:48:48,404 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:48:48,404 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:48:48,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 06:48:48,404 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:48:48,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:48:48,406 INFO L85 PathProgramCache]: Analyzing trace with hash -993184041, now seen corresponding path program 1 times [2022-11-19 06:48:48,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:48:48,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008649596] [2022-11-19 06:48:48,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:48:48,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:48:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:48:49,814 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2022-11-19 06:48:49,815 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:48:49,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008649596] [2022-11-19 06:48:49,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008649596] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:48:49,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:48:49,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:48:49,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486788317] [2022-11-19 06:48:49,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:48:49,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:48:49,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:48:49,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:48:49,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:48:49,817 INFO L87 Difference]: Start difference. First operand 44676 states and 66820 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-19 06:48:52,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:54,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:48:58,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:49:01,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:49:08,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:49:19,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:49:21,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:49:21,058 INFO L93 Difference]: Finished difference Result 133635 states and 199850 transitions. [2022-11-19 06:49:21,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:49:21,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 234 [2022-11-19 06:49:21,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:49:21,715 INFO L225 Difference]: With dead ends: 133635 [2022-11-19 06:49:21,715 INFO L226 Difference]: Without dead ends: 88988 [2022-11-19 06:49:22,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:49:22,123 INFO L413 NwaCegarLoop]: 15655 mSDtfsCounter, 9303 mSDsluCounter, 8779 mSDsCounter, 0 mSdLazyCounter, 2091 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9305 SdHoareTripleChecker+Valid, 24434 SdHoareTripleChecker+Invalid, 2096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2091 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.9s IncrementalHoareTripleChecker+Time [2022-11-19 06:49:22,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9305 Valid, 24434 Invalid, 2096 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2091 Invalid, 5 Unknown, 0 Unchecked, 27.9s Time] [2022-11-19 06:49:22,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88988 states. [2022-11-19 06:49:27,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88988 to 88894. [2022-11-19 06:49:27,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88894 states, 56274 states have (on average 1.3287841632014785) internal successors, (74776), 57439 states have internal predecessors, (74776), 29075 states have call successors, (29075), 3557 states have call predecessors, (29075), 3544 states have return successors, (29103), 28953 states have call predecessors, (29103), 29073 states have call successors, (29103) [2022-11-19 06:49:29,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88894 states to 88894 states and 132954 transitions. [2022-11-19 06:49:29,229 INFO L78 Accepts]: Start accepts. Automaton has 88894 states and 132954 transitions. Word has length 234 [2022-11-19 06:49:29,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:49:29,230 INFO L495 AbstractCegarLoop]: Abstraction has 88894 states and 132954 transitions. [2022-11-19 06:49:29,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-19 06:49:29,230 INFO L276 IsEmpty]: Start isEmpty. Operand 88894 states and 132954 transitions. [2022-11-19 06:49:29,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2022-11-19 06:49:29,273 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:49:29,273 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 10, 10, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:49:29,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 06:49:29,274 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:49:29,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:49:29,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1820511692, now seen corresponding path program 1 times [2022-11-19 06:49:29,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:49:29,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227532885] [2022-11-19 06:49:29,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:49:29,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:49:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:49:31,366 INFO L134 CoverageAnalysis]: Checked inductivity of 987 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 977 trivial. 0 not checked. [2022-11-19 06:49:31,366 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:49:31,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227532885] [2022-11-19 06:49:31,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227532885] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:49:31,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:49:31,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:49:31,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424470170] [2022-11-19 06:49:31,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:49:31,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:49:31,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:49:31,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:49:31,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:49:31,369 INFO L87 Difference]: Start difference. First operand 88894 states and 132954 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-19 06:49:33,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:49:36,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:49:41,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:49:50,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:49:52,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:49:57,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:50:05,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:50:05,961 INFO L93 Difference]: Finished difference Result 222167 states and 332266 transitions. [2022-11-19 06:50:05,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:50:05,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 312 [2022-11-19 06:50:05,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:50:07,060 INFO L225 Difference]: With dead ends: 222167 [2022-11-19 06:50:07,060 INFO L226 Difference]: Without dead ends: 133302 [2022-11-19 06:50:07,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:50:07,621 INFO L413 NwaCegarLoop]: 16947 mSDtfsCounter, 9206 mSDsluCounter, 8747 mSDsCounter, 0 mSdLazyCounter, 2345 mSolverCounterSat, 16 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9211 SdHoareTripleChecker+Valid, 25694 SdHoareTripleChecker+Invalid, 2366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 2345 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:50:07,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9211 Valid, 25694 Invalid, 2366 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 2345 Invalid, 5 Unknown, 0 Unchecked, 29.6s Time] [2022-11-19 06:50:07,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133302 states. [2022-11-19 06:50:15,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133302 to 133204. [2022-11-19 06:50:15,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133204 states, 84328 states have (on average 1.3282183853524334) internal successors, (112006), 86075 states have internal predecessors, (112006), 43553 states have call successors, (43553), 5345 states have call predecessors, (43553), 5322 states have return successors, (43597), 43367 states have call predecessors, (43597), 43551 states have call successors, (43597) [2022-11-19 06:50:17,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133204 states to 133204 states and 199156 transitions. [2022-11-19 06:50:17,819 INFO L78 Accepts]: Start accepts. Automaton has 133204 states and 199156 transitions. Word has length 312 [2022-11-19 06:50:17,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:50:17,820 INFO L495 AbstractCegarLoop]: Abstraction has 133204 states and 199156 transitions. [2022-11-19 06:50:17,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-19 06:50:17,820 INFO L276 IsEmpty]: Start isEmpty. Operand 133204 states and 199156 transitions. [2022-11-19 06:50:17,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2022-11-19 06:50:17,856 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:50:17,856 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:50:17,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 06:50:17,857 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:50:17,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:50:17,857 INFO L85 PathProgramCache]: Analyzing trace with hash -893355985, now seen corresponding path program 1 times [2022-11-19 06:50:17,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:50:17,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348069253] [2022-11-19 06:50:17,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:17,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:50:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:19,545 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2022-11-19 06:50:19,545 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:50:19,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348069253] [2022-11-19 06:50:19,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348069253] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:50:19,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:50:19,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:50:19,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846327721] [2022-11-19 06:50:19,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:50:19,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:50:19,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:50:19,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:50:19,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:50:19,549 INFO L87 Difference]: Start difference. First operand 133204 states and 199156 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-19 06:50:21,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:50:24,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:50:28,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:50:37,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:50:46,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:50:50,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:50:53,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:50:53,406 INFO L93 Difference]: Finished difference Result 324443 states and 484710 transitions. [2022-11-19 06:50:53,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:50:53,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 323 [2022-11-19 06:50:53,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:50:54,959 INFO L225 Difference]: With dead ends: 324443 [2022-11-19 06:50:54,959 INFO L226 Difference]: Without dead ends: 191268 [2022-11-19 06:50:55,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:50:55,810 INFO L413 NwaCegarLoop]: 15961 mSDtfsCounter, 9027 mSDsluCounter, 8454 mSDsCounter, 0 mSdLazyCounter, 2158 mSolverCounterSat, 21 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9032 SdHoareTripleChecker+Valid, 24415 SdHoareTripleChecker+Invalid, 2183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2158 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:50:55,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9032 Valid, 24415 Invalid, 2183 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [21 Valid, 2158 Invalid, 4 Unknown, 0 Unchecked, 26.2s Time] [2022-11-19 06:50:55,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191268 states.