./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--qlogic--qlge--qlge.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_28d0d26f-d34b-4d8d-bbf3-ae1c8ab374ed/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d0d26f-d34b-4d8d-bbf3-ae1c8ab374ed/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d0d26f-d34b-4d8d-bbf3-ae1c8ab374ed/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d0d26f-d34b-4d8d-bbf3-ae1c8ab374ed/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--qlogic--qlge--qlge.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d0d26f-d34b-4d8d-bbf3-ae1c8ab374ed/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d0d26f-d34b-4d8d-bbf3-ae1c8ab374ed/bin/utaipan-7li7fVZpFI --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 c0ea6f57e56343c309beb482be7e91bdb158dd17f1a1c3ab8bad32fab13935ec --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:51:14,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:51:14,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:51:14,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:51:14,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:51:14,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:51:14,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:51:14,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:51:14,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:51:14,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:51:14,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:51:14,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:51:14,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:51:14,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:51:14,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:51:14,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:51:14,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:51:14,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:51:14,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:51:14,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:51:14,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:51:14,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:51:14,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:51:14,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:51:14,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:51:14,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:51:14,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:51:14,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:51:14,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:51:14,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:51:14,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:51:14,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:51:14,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:51:14,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:51:14,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:51:14,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:51:14,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:51:14,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:51:14,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:51:14,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:51:14,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:51:14,233 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d0d26f-d34b-4d8d-bbf3-ae1c8ab374ed/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:51:14,260 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:51:14,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:51:14,261 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:51:14,261 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:51:14,261 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:51:14,262 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:51:14,262 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:51:14,262 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:51:14,262 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:51:14,263 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:51:14,263 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:51:14,263 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:51:14,267 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:51:14,268 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:51:14,268 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:51:14,268 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:51:14,268 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:51:14,269 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:51:14,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:51:14,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:51:14,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:51:14,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:51:14,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:51:14,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:51:14,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:51:14,271 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:51:14,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:51:14,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:51:14,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:51:14,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:51:14,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:51:14,273 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:51:14,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:51:14,273 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:51:14,273 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:51:14,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:51:14,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:51:14,274 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:51:14,276 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_28d0d26f-d34b-4d8d-bbf3-ae1c8ab374ed/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d0d26f-d34b-4d8d-bbf3-ae1c8ab374ed/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0ea6f57e56343c309beb482be7e91bdb158dd17f1a1c3ab8bad32fab13935ec [2022-11-03 01:51:14,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:51:14,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:51:14,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:51:14,539 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:51:14,540 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:51:14,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d0d26f-d34b-4d8d-bbf3-ae1c8ab374ed/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--qlogic--qlge--qlge.ko-main.cil.out.i [2022-11-03 01:51:14,612 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d0d26f-d34b-4d8d-bbf3-ae1c8ab374ed/bin/utaipan-7li7fVZpFI/data/d0810d225/2fedbf9d5a9b4945804ea0d804ca74d9/FLAG0e14d1a02 [2022-11-03 01:51:15,691 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:51:15,692 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d0d26f-d34b-4d8d-bbf3-ae1c8ab374ed/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--qlogic--qlge--qlge.ko-main.cil.out.i [2022-11-03 01:51:15,768 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d0d26f-d34b-4d8d-bbf3-ae1c8ab374ed/bin/utaipan-7li7fVZpFI/data/d0810d225/2fedbf9d5a9b4945804ea0d804ca74d9/FLAG0e14d1a02 [2022-11-03 01:51:15,974 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d0d26f-d34b-4d8d-bbf3-ae1c8ab374ed/bin/utaipan-7li7fVZpFI/data/d0810d225/2fedbf9d5a9b4945804ea0d804ca74d9 [2022-11-03 01:51:15,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:51:15,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:51:15,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:51:15,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:51:15,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:51:15,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:51:15" (1/1) ... [2022-11-03 01:51:15,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1410663d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:15, skipping insertion in model container [2022-11-03 01:51:15,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:51:15" (1/1) ... [2022-11-03 01:51:16,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:51:16,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:51:20,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d0d26f-d34b-4d8d-bbf3-ae1c8ab374ed/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--qlogic--qlge--qlge.ko-main.cil.out.i[526761,526774] [2022-11-03 01:51:21,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:51:21,209 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:51:21,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d0d26f-d34b-4d8d-bbf3-ae1c8ab374ed/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--qlogic--qlge--qlge.ko-main.cil.out.i[526761,526774] [2022-11-03 01:51:21,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:51:22,684 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:51:22,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:22 WrapperNode [2022-11-03 01:51:22,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:51:22,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:51:22,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:51:22,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:51:22,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:22" (1/1) ... [2022-11-03 01:51:22,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:22" (1/1) ... [2022-11-03 01:51:24,755 INFO L138 Inliner]: procedures = 589, calls = 7081, calls flagged for inlining = 252, calls inlined = 236, statements flattened = 14209 [2022-11-03 01:51:24,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:51:24,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:51:24,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:51:24,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:51:24,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:22" (1/1) ... [2022-11-03 01:51:24,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:22" (1/1) ... [2022-11-03 01:51:25,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:22" (1/1) ... [2022-11-03 01:51:25,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:22" (1/1) ... [2022-11-03 01:51:26,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:22" (1/1) ... [2022-11-03 01:51:26,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:22" (1/1) ... [2022-11-03 01:51:26,571 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:22" (1/1) ... [2022-11-03 01:51:26,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:22" (1/1) ... [2022-11-03 01:51:26,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:51:26,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:51:26,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:51:26,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:51:26,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:22" (1/1) ... [2022-11-03 01:51:26,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:51:26,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d0d26f-d34b-4d8d-bbf3-ae1c8ab374ed/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:51:26,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d0d26f-d34b-4d8d-bbf3-ae1c8ab374ed/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:51:26,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d0d26f-d34b-4d8d-bbf3-ae1c8ab374ed/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:51:27,023 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 01:51:27,023 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 01:51:27,023 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-03 01:51:27,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-03 01:51:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-03 01:51:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-03 01:51:27,024 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-03 01:51:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-11-03 01:51:27,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-11-03 01:51:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-03 01:51:27,025 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-03 01:51:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-03 01:51:27,025 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-03 01:51:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-11-03 01:51:27,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-11-03 01:51:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:51:27,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:51:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2022-11-03 01:51:27,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2022-11-03 01:51:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-11-03 01:51:27,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-11-03 01:51:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-11-03 01:51:27,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-11-03 01:51:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_qlge_err_handler_release_3 [2022-11-03 01:51:27,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_qlge_err_handler_release_3 [2022-11-03 01:51:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-11-03 01:51:27,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-11-03 01:51:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 01:51:27,028 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 01:51:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-03 01:51:27,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-03 01:51:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-11-03 01:51:27,028 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-11-03 01:51:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-03 01:51:27,029 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-03 01:51:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 01:51:27,029 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 01:51:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-03 01:51:27,030 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-03 01:51:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 01:51:27,030 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 01:51:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-03 01:51:27,030 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-03 01:51:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 01:51:27,031 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 01:51:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-11-03 01:51:27,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-11-03 01:51:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_kill_vid [2022-11-03 01:51:27,032 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_kill_vid [2022-11-03 01:51:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 01:51:27,034 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 01:51:27,034 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2022-11-03 01:51:27,034 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2022-11-03 01:51:27,034 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-11-03 01:51:27,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-11-03 01:51:27,034 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-11-03 01:51:27,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-11-03 01:51:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-11-03 01:51:27,035 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-11-03 01:51:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 01:51:27,036 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 01:51:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-11-03 01:51:27,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-11-03 01:51:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 01:51:27,037 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 01:51:27,037 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 01:51:27,037 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 01:51:27,037 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2022-11-03 01:51:27,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2022-11-03 01:51:27,037 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 01:51:27,037 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 01:51:27,037 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2022-11-03 01:51:27,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2022-11-03 01:51:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-11-03 01:51:27,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-11-03 01:51:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 01:51:27,038 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 01:51:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-03 01:51:27,038 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-03 01:51:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:51:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 01:51:27,038 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 01:51:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2022-11-03 01:51:27,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2022-11-03 01:51:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-11-03 01:51:27,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-11-03 01:51:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-11-03 01:51:27,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-11-03 01:51:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2022-11-03 01:51:27,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2022-11-03 01:51:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-11-03 01:51:27,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-11-03 01:51:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-11-03 01:51:27,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-11-03 01:51:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-03 01:51:27,040 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-03 01:51:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 01:51:27,040 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 01:51:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-11-03 01:51:27,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-11-03 01:51:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-11-03 01:51:27,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-11-03 01:51:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-11-03 01:51:27,041 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2022-11-03 01:51:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 01:51:27,041 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 01:51:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-11-03 01:51:27,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-11-03 01:51:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 01:51:27,041 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 01:51:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2022-11-03 01:51:27,042 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2022-11-03 01:51:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-03 01:51:27,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-03 01:51:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 01:51:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2022-11-03 01:51:27,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2022-11-03 01:51:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-03 01:51:27,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-03 01:51:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 01:51:27,043 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 01:51:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 01:51:27,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 01:51:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2022-11-03 01:51:27,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2022-11-03 01:51:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-11-03 01:51:27,044 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-11-03 01:51:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-11-03 01:51:27,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-11-03 01:51:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 01:51:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-11-03 01:51:27,044 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-11-03 01:51:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:51:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 01:51:27,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 01:51:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 01:51:27,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 01:51:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-03 01:51:27,045 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-03 01:51:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2022-11-03 01:51:27,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2022-11-03 01:51:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-03 01:51:27,045 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-03 01:51:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-11-03 01:51:27,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-11-03 01:51:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-03 01:51:27,046 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-03 01:51:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-03 01:51:27,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-03 01:51:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-11-03 01:51:27,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-11-03 01:51:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-11-03 01:51:27,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-11-03 01:51:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 01:51:27,047 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 01:51:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 01:51:27,047 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 01:51:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-03 01:51:27,047 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-03 01:51:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2022-11-03 01:51:27,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2022-11-03 01:51:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-11-03 01:51:27,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-11-03 01:51:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2022-11-03 01:51:27,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2022-11-03 01:51:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:51:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-11-03 01:51:27,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-11-03 01:51:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-11-03 01:51:27,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-11-03 01:51:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-11-03 01:51:27,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-11-03 01:51:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:51:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 01:51:27,049 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 01:51:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_get_stats [2022-11-03 01:51:27,050 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_get_stats [2022-11-03 01:51:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 01:51:27,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 01:51:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:51:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-11-03 01:51:27,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-11-03 01:51:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-11-03 01:51:27,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-11-03 01:51:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:51:27,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:51:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_slot_reset [2022-11-03 01:51:27,051 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_slot_reset [2022-11-03 01:51:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 01:51:27,051 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 01:51:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2022-11-03 01:51:27,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2022-11-03 01:51:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 01:51:27,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 01:51:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2022-11-03 01:51:27,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2022-11-03 01:51:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 01:51:27,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 01:51:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-11-03 01:51:27,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-11-03 01:51:27,053 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-03 01:51:27,053 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-03 01:51:27,053 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-11-03 01:51:27,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-11-03 01:51:27,053 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 01:51:27,053 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 01:51:27,053 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 01:51:27,054 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 01:51:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-03 01:51:27,054 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-03 01:51:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2022-11-03 01:51:27,054 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2022-11-03 01:51:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-11-03 01:51:27,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-11-03 01:51:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-03 01:51:27,055 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-03 01:51:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2022-11-03 01:51:27,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2022-11-03 01:51:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 01:51:27,055 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 01:51:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 01:51:27,055 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 01:51:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2022-11-03 01:51:27,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2022-11-03 01:51:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_mac_address [2022-11-03 01:51:27,056 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_mac_address [2022-11-03 01:51:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:51:27,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:51:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-11-03 01:51:27,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-11-03 01:51:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-03 01:51:27,057 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-03 01:51:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-11-03 01:51:27,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-11-03 01:51:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-11-03 01:51:27,057 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-11-03 01:51:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 01:51:27,057 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 01:51:27,058 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-11-03 01:51:27,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-11-03 01:51:27,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 01:51:27,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:51:27,058 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-03 01:51:27,058 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-03 01:51:27,058 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-03 01:51:27,058 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-03 01:51:27,059 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 01:51:27,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 01:51:27,059 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-11-03 01:51:27,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-11-03 01:51:27,059 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-03 01:51:27,059 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-03 01:51:27,059 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 01:51:27,059 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 01:51:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-11-03 01:51:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-11-03 01:51:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2022-11-03 01:51:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2022-11-03 01:51:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-03 01:51:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-03 01:51:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2022-11-03 01:51:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2022-11-03 01:51:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2022-11-03 01:51:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2022-11-03 01:51:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-11-03 01:51:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-11-03 01:51:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2022-11-03 01:51:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2022-11-03 01:51:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-11-03 01:51:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-11-03 01:51:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2022-11-03 01:51:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2022-11-03 01:51:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 01:51:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 01:51:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 01:51:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 01:51:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 01:51:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 01:51:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-03 01:51:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-03 01:51:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-11-03 01:51:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-11-03 01:51:27,064 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 01:51:27,064 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 01:51:27,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:51:27,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:51:27,064 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2022-11-03 01:51:27,064 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2022-11-03 01:51:27,065 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-11-03 01:51:27,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-11-03 01:51:27,065 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 01:51:27,065 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 01:51:27,065 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-03 01:51:27,065 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-03 01:51:27,065 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2022-11-03 01:51:27,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2022-11-03 01:51:27,066 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2022-11-03 01:51:27,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2022-11-03 01:51:27,066 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-03 01:51:27,066 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-03 01:51:27,066 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-11-03 01:51:27,067 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-11-03 01:51:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 01:51:27,067 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 01:51:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-03 01:51:27,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-03 01:51:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_features [2022-11-03 01:51:27,067 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_features [2022-11-03 01:51:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:51:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 01:51:27,068 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 01:51:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2022-11-03 01:51:27,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2022-11-03 01:51:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-03 01:51:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-03 01:51:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2022-11-03 01:51:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2022-11-03 01:51:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 01:51:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 01:51:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_error_detected [2022-11-03 01:51:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_error_detected [2022-11-03 01:51:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2022-11-03 01:51:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2022-11-03 01:51:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:51:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-03 01:51:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-03 01:51:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2022-11-03 01:51:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2022-11-03 01:51:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-11-03 01:51:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-11-03 01:51:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-03 01:51:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-03 01:51:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-03 01:51:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-03 01:51:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:51:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2022-11-03 01:51:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2022-11-03 01:51:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-11-03 01:51:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-11-03 01:51:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 01:51:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 01:51:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-11-03 01:51:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-11-03 01:51:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 01:51:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 01:51:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 01:51:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 01:51:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-11-03 01:51:27,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-11-03 01:51:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2022-11-03 01:51:27,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2022-11-03 01:51:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-03 01:51:27,074 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-03 01:51:27,075 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-03 01:51:27,075 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-03 01:51:27,075 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 01:51:27,075 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 01:51:27,075 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-03 01:51:27,075 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-03 01:51:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-11-03 01:51:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-11-03 01:51:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-03 01:51:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-03 01:51:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2022-11-03 01:51:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2022-11-03 01:51:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-03 01:51:27,077 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-03 01:51:27,077 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 01:51:27,077 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 01:51:27,077 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-03 01:51:27,077 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-03 01:51:27,077 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-11-03 01:51:27,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-11-03 01:51:27,078 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 01:51:27,078 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 01:51:27,078 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2022-11-03 01:51:27,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2022-11-03 01:51:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_add_vid [2022-11-03 01:51:27,079 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_add_vid [2022-11-03 01:51:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:51:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-03 01:51:27,079 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-03 01:51:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 01:51:27,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 01:51:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_change_mtu [2022-11-03 01:51:27,080 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_change_mtu [2022-11-03 01:51:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_fix_features [2022-11-03 01:51:27,080 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_fix_features [2022-11-03 01:51:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-11-03 01:51:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-11-03 01:51:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 01:51:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 01:51:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 01:51:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 01:51:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-11-03 01:51:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-11-03 01:51:27,082 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-11-03 01:51:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-11-03 01:51:27,082 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-03 01:51:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-03 01:51:27,082 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-11-03 01:51:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-11-03 01:51:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2022-11-03 01:51:27,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2022-11-03 01:51:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-03 01:51:27,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-03 01:51:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-03 01:51:27,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-03 01:51:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2022-11-03 01:51:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2022-11-03 01:51:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-11-03 01:51:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-11-03 01:51:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-11-03 01:51:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-11-03 01:51:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-03 01:51:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-03 01:51:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-03 01:51:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-03 01:51:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2022-11-03 01:51:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2022-11-03 01:51:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-11-03 01:51:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-11-03 01:51:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2022-11-03 01:51:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2022-11-03 01:51:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-11-03 01:51:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-11-03 01:51:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 01:51:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 01:51:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2022-11-03 01:51:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2022-11-03 01:51:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-03 01:51:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-03 01:51:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-11-03 01:51:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-11-03 01:51:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2022-11-03 01:51:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2022-11-03 01:51:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2022-11-03 01:51:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2022-11-03 01:51:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-11-03 01:51:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-11-03 01:51:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-03 01:51:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-03 01:51:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 01:51:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 01:51:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:51:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-11-03 01:51:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-11-03 01:51:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-11-03 01:51:27,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-11-03 01:51:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2022-11-03 01:51:27,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2022-11-03 01:51:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2022-11-03 01:51:27,090 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2022-11-03 01:51:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-03 01:51:27,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-03 01:51:27,091 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-11-03 01:51:27,091 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-11-03 01:51:27,091 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2022-11-03 01:51:27,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2022-11-03 01:51:28,581 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:51:28,586 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:53:42,027 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:54:54,111 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:54:54,111 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 01:54:54,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:54:54 BoogieIcfgContainer [2022-11-03 01:54:54,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:54:54,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:54:54,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:54:54,129 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:54:54,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:51:15" (1/3) ... [2022-11-03 01:54:54,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70dd2b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:54:54, skipping insertion in model container [2022-11-03 01:54:54,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:22" (2/3) ... [2022-11-03 01:54:54,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70dd2b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:54:54, skipping insertion in model container [2022-11-03 01:54:54,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:54:54" (3/3) ... [2022-11-03 01:54:54,132 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--qlogic--qlge--qlge.ko-main.cil.out.i [2022-11-03 01:54:54,153 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:54:54,153 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:54:54,307 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:54:54,317 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;@160517f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:54:54,317 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:54:54,330 INFO L276 IsEmpty]: Start isEmpty. Operand has 3448 states, 2116 states have (on average 1.3421550094517958) internal successors, (2840), 2182 states have internal predecessors, (2840), 1109 states have call successors, (1109), 221 states have call predecessors, (1109), 221 states have return successors, (1109), 1096 states have call predecessors, (1109), 1109 states have call successors, (1109) [2022-11-03 01:54:54,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-03 01:54:54,343 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:54,344 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:54,344 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:54,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:54,352 INFO L85 PathProgramCache]: Analyzing trace with hash -15958075, now seen corresponding path program 1 times [2022-11-03 01:54:54,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:54:54,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247855065] [2022-11-03 01:54:54,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:54,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:54:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:56,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:56,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:54:56,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247855065] [2022-11-03 01:54:56,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247855065] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:56,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:56,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:54:56,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443455778] [2022-11-03 01:54:56,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:56,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:54:56,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:54:56,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:54:56,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:54:56,287 INFO L87 Difference]: Start difference. First operand has 3448 states, 2116 states have (on average 1.3421550094517958) internal successors, (2840), 2182 states have internal predecessors, (2840), 1109 states have call successors, (1109), 221 states have call predecessors, (1109), 221 states have return successors, (1109), 1096 states have call predecessors, (1109), 1109 states have call successors, (1109) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:54:57,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:02,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:55:05,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:11,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:14,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:18,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:55:18,708 INFO L93 Difference]: Finished difference Result 10312 states and 15242 transitions. [2022-11-03 01:55:18,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:55:18,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-03 01:55:18,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:55:18,785 INFO L225 Difference]: With dead ends: 10312 [2022-11-03 01:55:18,785 INFO L226 Difference]: Without dead ends: 6845 [2022-11-03 01:55:18,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:55:18,820 INFO L413 NwaCegarLoop]: 5541 mSDtfsCounter, 4996 mSDsluCounter, 5039 mSDsCounter, 0 mSdLazyCounter, 1254 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5002 SdHoareTripleChecker+Valid, 9962 SdHoareTripleChecker+Invalid, 1260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1254 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:55:18,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5002 Valid, 9962 Invalid, 1260 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1254 Invalid, 3 Unknown, 0 Unchecked, 21.7s Time] [2022-11-03 01:55:18,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6845 states. [2022-11-03 01:55:19,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6845 to 6839. [2022-11-03 01:55:19,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6839 states, 4189 states have (on average 1.3373120076390546) internal successors, (5602), 4314 states have internal predecessors, (5602), 2209 states have call successors, (2209), 441 states have call predecessors, (2209), 440 states have return successors, (2209), 2175 states have call predecessors, (2209), 2203 states have call successors, (2209) [2022-11-03 01:55:19,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6839 states to 6839 states and 10020 transitions. [2022-11-03 01:55:19,394 INFO L78 Accepts]: Start accepts. Automaton has 6839 states and 10020 transitions. Word has length 13 [2022-11-03 01:55:19,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:55:19,394 INFO L495 AbstractCegarLoop]: Abstraction has 6839 states and 10020 transitions. [2022-11-03 01:55:19,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:55:19,395 INFO L276 IsEmpty]: Start isEmpty. Operand 6839 states and 10020 transitions. [2022-11-03 01:55:19,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 01:55:19,399 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:55:19,399 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:55:19,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:55:19,400 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:55:19,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:55:19,401 INFO L85 PathProgramCache]: Analyzing trace with hash 4812310, now seen corresponding path program 1 times [2022-11-03 01:55:19,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:55:19,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526278389] [2022-11-03 01:55:19,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:19,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:55:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:20,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:55:20,340 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:55:20,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526278389] [2022-11-03 01:55:20,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526278389] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:55:20,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:55:20,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:55:20,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282883025] [2022-11-03 01:55:20,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:55:20,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:55:20,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:55:20,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:55:20,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:55:20,344 INFO L87 Difference]: Start difference. First operand 6839 states and 10020 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:55:24,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:55:26,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:31,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:33,196 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 [] [2022-11-03 01:55:36,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:55:36,974 INFO L93 Difference]: Finished difference Result 9849 states and 14267 transitions. [2022-11-03 01:55:36,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:55:36,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-03 01:55:36,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:55:37,047 INFO L225 Difference]: With dead ends: 9849 [2022-11-03 01:55:37,048 INFO L226 Difference]: Without dead ends: 9846 [2022-11-03 01:55:37,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:55:37,058 INFO L413 NwaCegarLoop]: 5194 mSDtfsCounter, 4976 mSDsluCounter, 2166 mSDsCounter, 0 mSdLazyCounter, 1015 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4982 SdHoareTripleChecker+Valid, 7038 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1015 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:55:37,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4982 Valid, 7038 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1015 Invalid, 4 Unknown, 0 Unchecked, 16.2s Time] [2022-11-03 01:55:37,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9846 states. [2022-11-03 01:55:37,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9846 to 9841. [2022-11-03 01:55:37,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9841 states, 6050 states have (on average 1.3309090909090908) internal successors, (8052), 6239 states have internal predecessors, (8052), 3099 states have call successors, (3099), 691 states have call predecessors, (3099), 691 states have return successors, (3109), 3050 states have call predecessors, (3109), 3094 states have call successors, (3109) [2022-11-03 01:55:37,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9841 states to 9841 states and 14260 transitions. [2022-11-03 01:55:37,688 INFO L78 Accepts]: Start accepts. Automaton has 9841 states and 14260 transitions. Word has length 15 [2022-11-03 01:55:37,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:55:37,689 INFO L495 AbstractCegarLoop]: Abstraction has 9841 states and 14260 transitions. [2022-11-03 01:55:37,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:55:37,690 INFO L276 IsEmpty]: Start isEmpty. Operand 9841 states and 14260 transitions. [2022-11-03 01:55:37,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-03 01:55:37,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:55:37,698 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:55:37,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:55:37,699 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:55:37,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:55:37,710 INFO L85 PathProgramCache]: Analyzing trace with hash 146630982, now seen corresponding path program 1 times [2022-11-03 01:55:37,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:55:37,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552673836] [2022-11-03 01:55:37,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:37,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:55:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:38,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:55:38,586 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:55:38,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552673836] [2022-11-03 01:55:38,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552673836] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:55:38,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:55:38,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:55:38,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432489416] [2022-11-03 01:55:38,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:55:38,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:55:38,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:55:38,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:55:38,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:55:38,589 INFO L87 Difference]: Start difference. First operand 9841 states and 14260 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:55:42,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:55:45,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:49,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:51,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:54,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:56,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:55:56,150 INFO L93 Difference]: Finished difference Result 9848 states and 14265 transitions. [2022-11-03 01:55:56,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:55:56,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-03 01:55:56,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:55:56,211 INFO L225 Difference]: With dead ends: 9848 [2022-11-03 01:55:56,211 INFO L226 Difference]: Without dead ends: 9845 [2022-11-03 01:55:56,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:55:56,219 INFO L413 NwaCegarLoop]: 5192 mSDtfsCounter, 4973 mSDsluCounter, 2166 mSDsCounter, 0 mSdLazyCounter, 1015 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4979 SdHoareTripleChecker+Valid, 7036 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1015 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:55:56,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4979 Valid, 7036 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1015 Invalid, 4 Unknown, 0 Unchecked, 17.2s Time] [2022-11-03 01:55:56,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9845 states. [2022-11-03 01:55:56,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9845 to 9840. [2022-11-03 01:55:56,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9840 states, 6050 states have (on average 1.3307438016528925) internal successors, (8051), 6238 states have internal predecessors, (8051), 3098 states have call successors, (3098), 691 states have call predecessors, (3098), 691 states have return successors, (3109), 3050 states have call predecessors, (3109), 3094 states have call successors, (3109) [2022-11-03 01:55:56,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9840 states to 9840 states and 14258 transitions. [2022-11-03 01:55:56,775 INFO L78 Accepts]: Start accepts. Automaton has 9840 states and 14258 transitions. Word has length 16 [2022-11-03 01:55:56,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:55:56,776 INFO L495 AbstractCegarLoop]: Abstraction has 9840 states and 14258 transitions. [2022-11-03 01:55:56,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:55:56,776 INFO L276 IsEmpty]: Start isEmpty. Operand 9840 states and 14258 transitions. [2022-11-03 01:55:56,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 01:55:56,779 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:55:56,779 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:55:56,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:55:56,779 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:55:56,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:55:56,781 INFO L85 PathProgramCache]: Analyzing trace with hash 248047385, now seen corresponding path program 1 times [2022-11-03 01:55:56,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:55:56,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629473993] [2022-11-03 01:55:56,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:56,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:55:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:57,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:55:57,442 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:55:57,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629473993] [2022-11-03 01:55:57,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629473993] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:55:57,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:55:57,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:55:57,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730101057] [2022-11-03 01:55:57,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:55:57,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:55:57,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:55:57,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:55:57,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:55:57,444 INFO L87 Difference]: Start difference. First operand 9840 states and 14258 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:56:01,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:56:05,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:10,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:12,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:17,668 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 [] [2022-11-03 01:56:19,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:56:19,455 INFO L93 Difference]: Finished difference Result 18113 states and 26379 transitions. [2022-11-03 01:56:19,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:56:19,456 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-03 01:56:19,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:56:19,575 INFO L225 Difference]: With dead ends: 18113 [2022-11-03 01:56:19,575 INFO L226 Difference]: Without dead ends: 18109 [2022-11-03 01:56:19,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:56:19,591 INFO L413 NwaCegarLoop]: 5768 mSDtfsCounter, 4788 mSDsluCounter, 4457 mSDsCounter, 0 mSdLazyCounter, 1253 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4788 SdHoareTripleChecker+Valid, 9688 SdHoareTripleChecker+Invalid, 1262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1253 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:56:19,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4788 Valid, 9688 Invalid, 1262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1253 Invalid, 5 Unknown, 0 Unchecked, 21.4s Time] [2022-11-03 01:56:19,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18109 states. [2022-11-03 01:56:20,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18109 to 18105. [2022-11-03 01:56:20,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18105 states, 11129 states have (on average 1.3320154551172612) internal successors, (14824), 11467 states have internal predecessors, (14824), 5686 states have call successors, (5686), 1311 states have call predecessors, (5686), 1289 states have return successors, (5858), 5560 states have call predecessors, (5858), 5682 states have call successors, (5858) [2022-11-03 01:56:20,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18105 states to 18105 states and 26368 transitions. [2022-11-03 01:56:20,685 INFO L78 Accepts]: Start accepts. Automaton has 18105 states and 26368 transitions. Word has length 17 [2022-11-03 01:56:20,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:56:20,685 INFO L495 AbstractCegarLoop]: Abstraction has 18105 states and 26368 transitions. [2022-11-03 01:56:20,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:56:20,685 INFO L276 IsEmpty]: Start isEmpty. Operand 18105 states and 26368 transitions. [2022-11-03 01:56:20,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-03 01:56:20,687 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:56:20,687 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:56:20,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:56:20,687 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:56:20,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:56:20,688 INFO L85 PathProgramCache]: Analyzing trace with hash -903006551, now seen corresponding path program 1 times [2022-11-03 01:56:20,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:56:20,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428846949] [2022-11-03 01:56:20,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:56:20,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:56:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:56:21,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:56:21,405 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:56:21,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428846949] [2022-11-03 01:56:21,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428846949] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:56:21,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:56:21,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:56:21,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280784658] [2022-11-03 01:56:21,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:56:21,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:56:21,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:56:21,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:56:21,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:56:21,408 INFO L87 Difference]: Start difference. First operand 18105 states and 26368 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:56:25,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:56:27,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:31,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:33,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:35,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:39,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:41,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:56:41,471 INFO L93 Difference]: Finished difference Result 20883 states and 30297 transitions. [2022-11-03 01:56:41,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:56:41,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-03 01:56:41,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:56:41,612 INFO L225 Difference]: With dead ends: 20883 [2022-11-03 01:56:41,612 INFO L226 Difference]: Without dead ends: 20875 [2022-11-03 01:56:41,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:56:41,631 INFO L413 NwaCegarLoop]: 5193 mSDtfsCounter, 4982 mSDsluCounter, 2167 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4988 SdHoareTripleChecker+Valid, 7037 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:56:41,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4988 Valid, 7037 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1021 Invalid, 4 Unknown, 0 Unchecked, 19.2s Time] [2022-11-03 01:56:41,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20875 states. [2022-11-03 01:56:43,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20875 to 20870. [2022-11-03 01:56:43,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20870 states, 12841 states have (on average 1.3295693481816058) internal successors, (17073), 13235 states have internal predecessors, (17073), 6504 states have call successors, (6504), 1550 states have call predecessors, (6504), 1524 states have return successors, (6706), 6358 states have call predecessors, (6706), 6501 states have call successors, (6706) [2022-11-03 01:56:43,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20870 states to 20870 states and 30283 transitions. [2022-11-03 01:56:43,295 INFO L78 Accepts]: Start accepts. Automaton has 20870 states and 30283 transitions. Word has length 18 [2022-11-03 01:56:43,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:56:43,296 INFO L495 AbstractCegarLoop]: Abstraction has 20870 states and 30283 transitions. [2022-11-03 01:56:43,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:56:43,297 INFO L276 IsEmpty]: Start isEmpty. Operand 20870 states and 30283 transitions. [2022-11-03 01:56:43,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-03 01:56:43,314 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:56:43,314 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:56:43,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 01:56:43,314 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:56:43,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:56:43,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1789794327, now seen corresponding path program 1 times [2022-11-03 01:56:43,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:56:43,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067126156] [2022-11-03 01:56:43,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:56:43,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:56:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:56:44,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:56:44,728 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:56:44,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067126156] [2022-11-03 01:56:44,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067126156] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:56:44,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:56:44,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:56:44,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730732837] [2022-11-03 01:56:44,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:56:44,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:56:44,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:56:44,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:56:44,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:56:44,732 INFO L87 Difference]: Start difference. First operand 20870 states and 30283 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-03 01:56:50,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:56:53,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:56,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:59,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:01,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:03,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:07,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:09,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:57:09,991 INFO L93 Difference]: Finished difference Result 49737 states and 72197 transitions. [2022-11-03 01:57:09,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:57:09,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2022-11-03 01:57:09,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:57:10,171 INFO L225 Difference]: With dead ends: 49737 [2022-11-03 01:57:10,172 INFO L226 Difference]: Without dead ends: 28868 [2022-11-03 01:57:10,302 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 [2022-11-03 01:57:10,306 INFO L413 NwaCegarLoop]: 6275 mSDtfsCounter, 4608 mSDsluCounter, 4993 mSDsCounter, 0 mSdLazyCounter, 1407 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4612 SdHoareTripleChecker+Valid, 10652 SdHoareTripleChecker+Invalid, 1412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1407 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:57:10,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4612 Valid, 10652 Invalid, 1412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1407 Invalid, 4 Unknown, 0 Unchecked, 23.8s Time] [2022-11-03 01:57:10,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28868 states. [2022-11-03 01:57:12,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28868 to 28853. [2022-11-03 01:57:12,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28853 states, 17797 states have (on average 1.332415575658819) internal successors, (23713), 18345 states have internal predecessors, (23713), 8957 states have call successors, (8957), 2136 states have call predecessors, (8957), 2098 states have return successors, (9223), 8754 states have call predecessors, (9223), 8954 states have call successors, (9223) [2022-11-03 01:57:12,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28853 states to 28853 states and 41893 transitions. [2022-11-03 01:57:12,610 INFO L78 Accepts]: Start accepts. Automaton has 28853 states and 41893 transitions. Word has length 58 [2022-11-03 01:57:12,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:57:12,611 INFO L495 AbstractCegarLoop]: Abstraction has 28853 states and 41893 transitions. [2022-11-03 01:57:12,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-03 01:57:12,611 INFO L276 IsEmpty]: Start isEmpty. Operand 28853 states and 41893 transitions. [2022-11-03 01:57:12,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-03 01:57:12,625 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:57:12,625 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 01:57:12,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 01:57:12,626 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:57:12,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:57:12,626 INFO L85 PathProgramCache]: Analyzing trace with hash -67944484, now seen corresponding path program 1 times [2022-11-03 01:57:12,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:57:12,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931935735] [2022-11-03 01:57:12,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:57:12,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:57:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:57:13,648 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 01:57:13,649 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:57:13,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931935735] [2022-11-03 01:57:13,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931935735] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:57:13,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:57:13,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:57:13,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471066010] [2022-11-03 01:57:13,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:57:13,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:57:13,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:57:13,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:57:13,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:57:13,652 INFO L87 Difference]: Start difference. First operand 28853 states and 41893 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-03 01:57:17,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:57:20,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:27,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:29,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:35,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:57:35,913 INFO L93 Difference]: Finished difference Result 64233 states and 93037 transitions. [2022-11-03 01:57:35,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:57:35,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 60 [2022-11-03 01:57:35,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:57:36,125 INFO L225 Difference]: With dead ends: 64233 [2022-11-03 01:57:36,125 INFO L226 Difference]: Without dead ends: 35381 [2022-11-03 01:57:36,254 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 [2022-11-03 01:57:36,255 INFO L413 NwaCegarLoop]: 5379 mSDtfsCounter, 3317 mSDsluCounter, 4966 mSDsCounter, 0 mSdLazyCounter, 1339 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3323 SdHoareTripleChecker+Valid, 9739 SdHoareTripleChecker+Invalid, 1344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1339 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:57:36,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3323 Valid, 9739 Invalid, 1344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1339 Invalid, 4 Unknown, 0 Unchecked, 20.5s Time] [2022-11-03 01:57:36,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35381 states. [2022-11-03 01:57:38,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35381 to 35368. [2022-11-03 01:57:38,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35368 states, 21853 states have (on average 1.329199652221663) internal successors, (29047), 22516 states have internal predecessors, (29047), 10849 states have call successors, (10849), 2708 states have call predecessors, (10849), 2665 states have return successors, (11231), 10607 states have call predecessors, (11231), 10846 states have call successors, (11231) [2022-11-03 01:57:38,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35368 states to 35368 states and 51127 transitions. [2022-11-03 01:57:38,660 INFO L78 Accepts]: Start accepts. Automaton has 35368 states and 51127 transitions. Word has length 60 [2022-11-03 01:57:38,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:57:38,662 INFO L495 AbstractCegarLoop]: Abstraction has 35368 states and 51127 transitions. [2022-11-03 01:57:38,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-03 01:57:38,663 INFO L276 IsEmpty]: Start isEmpty. Operand 35368 states and 51127 transitions. [2022-11-03 01:57:38,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-03 01:57:38,673 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:57:38,673 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 01:57:38,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 01:57:38,674 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:57:38,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:57:38,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1782736721, now seen corresponding path program 1 times [2022-11-03 01:57:38,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:57:38,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210103171] [2022-11-03 01:57:38,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:57:38,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:57:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:57:39,677 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 01:57:39,678 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:57:39,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210103171] [2022-11-03 01:57:39,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210103171] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:57:39,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:57:39,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:57:39,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546196936] [2022-11-03 01:57:39,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:57:39,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:57:39,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:57:39,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:57:39,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:57:39,681 INFO L87 Difference]: Start difference. First operand 35368 states and 51127 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-03 01:57:44,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:57:48,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:53,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:57,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:59,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:01,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:08,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:58:08,907 INFO L93 Difference]: Finished difference Result 96537 states and 139723 transitions. [2022-11-03 01:58:08,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:58:08,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 58 [2022-11-03 01:58:08,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:58:09,300 INFO L225 Difference]: With dead ends: 96537 [2022-11-03 01:58:09,300 INFO L226 Difference]: Without dead ends: 61170 [2022-11-03 01:58:09,457 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 [2022-11-03 01:58:09,458 INFO L413 NwaCegarLoop]: 7205 mSDtfsCounter, 4971 mSDsluCounter, 5011 mSDsCounter, 0 mSdLazyCounter, 1575 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4977 SdHoareTripleChecker+Valid, 11597 SdHoareTripleChecker+Invalid, 1580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1575 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2022-11-03 01:58:09,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4977 Valid, 11597 Invalid, 1580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1575 Invalid, 4 Unknown, 0 Unchecked, 25.9s Time] [2022-11-03 01:58:09,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61170 states. [2022-11-03 01:58:12,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61170 to 61155. [2022-11-03 01:58:12,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61155 states, 37747 states have (on average 1.3297215672768696) internal successors, (50193), 38883 states have internal predecessors, (50193), 18851 states have call successors, (18851), 4629 states have call predecessors, (18851), 4556 states have return successors, (19527), 18440 states have call predecessors, (19527), 18848 states have call successors, (19527) [2022-11-03 01:58:13,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61155 states to 61155 states and 88571 transitions. [2022-11-03 01:58:13,720 INFO L78 Accepts]: Start accepts. Automaton has 61155 states and 88571 transitions. Word has length 58 [2022-11-03 01:58:13,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:58:13,721 INFO L495 AbstractCegarLoop]: Abstraction has 61155 states and 88571 transitions. [2022-11-03 01:58:13,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-03 01:58:13,721 INFO L276 IsEmpty]: Start isEmpty. Operand 61155 states and 88571 transitions. [2022-11-03 01:58:13,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-03 01:58:13,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:58:13,756 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 01:58:13,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 01:58:13,757 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:58:13,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:58:13,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1816571853, now seen corresponding path program 1 times [2022-11-03 01:58:13,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:58:13,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496440677] [2022-11-03 01:58:13,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:58:13,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:58:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:58:15,483 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:58:15,483 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:58:15,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496440677] [2022-11-03 01:58:15,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496440677] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:58:15,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:58:15,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:58:15,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724345968] [2022-11-03 01:58:15,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:58:15,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:58:15,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:58:15,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:58:15,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:58:15,489 INFO L87 Difference]: Start difference. First operand 61155 states and 88571 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-03 01:58:19,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:58:21,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:58:24,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:27,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:32,683 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 [] [2022-11-03 01:58:40,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:58:40,842 INFO L93 Difference]: Finished difference Result 143528 states and 207974 transitions. [2022-11-03 01:58:40,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:58:40,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 68 [2022-11-03 01:58:40,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:58:41,314 INFO L225 Difference]: With dead ends: 143528 [2022-11-03 01:58:41,315 INFO L226 Difference]: Without dead ends: 89044 [2022-11-03 01:58:41,557 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 [2022-11-03 01:58:41,558 INFO L413 NwaCegarLoop]: 7640 mSDtfsCounter, 4876 mSDsluCounter, 4767 mSDsCounter, 0 mSdLazyCounter, 1627 mSolverCounterSat, 12 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4877 SdHoareTripleChecker+Valid, 11816 SdHoareTripleChecker+Invalid, 1642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1627 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:58:41,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4877 Valid, 11816 Invalid, 1642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1627 Invalid, 3 Unknown, 0 Unchecked, 21.0s Time] [2022-11-03 01:58:41,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89044 states.