./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--broadcom--bnx2.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--broadcom--bnx2.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF --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 c1008443684a9510ad0b7ca7f0076ec7a4cdd82e0839d93e37a75d627da85564 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:22:48,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:22:48,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:22:48,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:22:48,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:22:48,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:22:48,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:22:48,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:22:48,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:22:48,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:22:48,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:22:48,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:22:48,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:22:48,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:22:48,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:22:48,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:22:48,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:22:48,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:22:48,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:22:48,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:22:48,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:22:48,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:22:48,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:22:48,264 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:22:48,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:22:48,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:22:48,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:22:48,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:22:48,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:22:48,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:22:48,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:22:48,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:22:48,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:22:48,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:22:48,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:22:48,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:22:48,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:22:48,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:22:48,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:22:48,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:22:48,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:22:48,283 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:22:48,328 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:22:48,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:22:48,330 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:22:48,331 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:22:48,331 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:22:48,331 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:22:48,331 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:22:48,331 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:22:48,332 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:22:48,332 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:22:48,333 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:22:48,333 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:22:48,333 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:22:48,334 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:22:48,334 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:22:48,334 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:22:48,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:22:48,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:22:48,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:22:48,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:22:48,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:22:48,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:22:48,336 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:22:48,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:22:48,336 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:22:48,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:22:48,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:22:48,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:22:48,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:22:48,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:22:48,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:22:48,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:22:48,340 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:22:48,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:22:48,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:22:48,342 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:22:48,342 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:22:48,342 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1008443684a9510ad0b7ca7f0076ec7a4cdd82e0839d93e37a75d627da85564 [2021-11-12 23:22:48,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:22:48,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:22:48,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:22:48,678 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:22:48,679 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:22:48,680 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--broadcom--bnx2.ko-entry_point.cil.out.i [2021-11-12 23:22:48,772 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/data/b6197fa7e/93087a03989d47d98f206ca2bb2a021f/FLAGbaee5ac28 [2021-11-12 23:22:49,884 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:22:49,885 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--broadcom--bnx2.ko-entry_point.cil.out.i [2021-11-12 23:22:49,962 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/data/b6197fa7e/93087a03989d47d98f206ca2bb2a021f/FLAGbaee5ac28 [2021-11-12 23:22:50,127 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/data/b6197fa7e/93087a03989d47d98f206ca2bb2a021f [2021-11-12 23:22:50,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:22:50,133 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:22:50,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:22:50,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:22:50,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:22:50,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:22:50" (1/1) ... [2021-11-12 23:22:50,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a9c42ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:50, skipping insertion in model container [2021-11-12 23:22:50,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:22:50" (1/1) ... [2021-11-12 23:22:50,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:22:50,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:22:54,883 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:22:54,892 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:22:54,906 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:22:54,910 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:22:54,912 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:22:54,913 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:22:55,562 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:22:56,045 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:22:56,054 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:22:56,298 WARN L228 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_62c014e8-166f-4614-b19d-d90ec0b53289/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--broadcom--bnx2.ko-entry_point.cil.out.i[577644,577657] [2021-11-12 23:22:56,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:22:56,535 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 23:22:56,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@60b0dece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:56, skipping insertion in model container [2021-11-12 23:22:56,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:22:56,536 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:22:56,539 INFO L158 Benchmark]: Toolchain (without parser) took 6404.31ms. Allocated memory was 107.0MB in the beginning and 245.4MB in the end (delta: 138.4MB). Free memory was 66.1MB in the beginning and 156.9MB in the end (delta: -90.7MB). Peak memory consumption was 84.4MB. Max. memory is 16.1GB. [2021-11-12 23:22:56,540 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 86.0MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:22:56,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6398.29ms. Allocated memory was 107.0MB in the beginning and 245.4MB in the end (delta: 138.4MB). Free memory was 65.7MB in the beginning and 156.9MB in the end (delta: -91.1MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. [2021-11-12 23:22:56,544 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 86.0MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6398.29ms. Allocated memory was 107.0MB in the beginning and 245.4MB in the end (delta: 138.4MB). Free memory was 65.7MB in the beginning and 156.9MB in the end (delta: -91.1MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6934]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--broadcom--bnx2.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF --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 c1008443684a9510ad0b7ca7f0076ec7a4cdd82e0839d93e37a75d627da85564 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:22:58,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:22:58,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:22:58,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:22:58,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:22:58,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:22:58,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:22:58,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:22:58,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:22:58,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:22:58,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:22:58,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:22:58,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:22:58,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:22:58,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:22:58,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:22:58,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:22:58,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:22:59,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:22:59,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:22:59,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:22:59,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:22:59,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:22:59,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:22:59,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:22:59,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:22:59,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:22:59,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:22:59,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:22:59,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:22:59,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:22:59,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:22:59,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:22:59,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:22:59,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:22:59,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:22:59,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:22:59,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:22:59,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:22:59,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:22:59,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:22:59,051 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:22:59,094 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:22:59,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:22:59,095 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:22:59,096 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:22:59,096 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:22:59,096 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:22:59,096 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:22:59,097 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:22:59,097 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:22:59,097 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:22:59,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:22:59,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:22:59,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:22:59,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:22:59,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:22:59,101 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:22:59,101 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:22:59,101 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:22:59,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:22:59,102 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:22:59,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:22:59,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:22:59,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:22:59,103 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:22:59,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:22:59,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:22:59,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:22:59,104 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:22:59,104 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:22:59,104 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:22:59,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:22:59,105 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:22:59,105 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:22:59,105 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1008443684a9510ad0b7ca7f0076ec7a4cdd82e0839d93e37a75d627da85564 [2021-11-12 23:22:59,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:22:59,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:22:59,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:22:59,515 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:22:59,516 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:22:59,518 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--broadcom--bnx2.ko-entry_point.cil.out.i [2021-11-12 23:22:59,587 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/data/11935e62f/71068e6147134a29b7ba9c7f64a3b364/FLAG6682e9aed [2021-11-12 23:23:00,940 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:23:00,942 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--broadcom--bnx2.ko-entry_point.cil.out.i [2021-11-12 23:23:01,020 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/data/11935e62f/71068e6147134a29b7ba9c7f64a3b364/FLAG6682e9aed [2021-11-12 23:23:01,078 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/data/11935e62f/71068e6147134a29b7ba9c7f64a3b364 [2021-11-12 23:23:01,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:23:01,081 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:23:01,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:23:01,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:23:01,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:23:01,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:23:01" (1/1) ... [2021-11-12 23:23:01,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ddd5074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:01, skipping insertion in model container [2021-11-12 23:23:01,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:23:01" (1/1) ... [2021-11-12 23:23:01,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:23:01,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:23:07,088 WARN L228 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_62c014e8-166f-4614-b19d-d90ec0b53289/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--broadcom--bnx2.ko-entry_point.cil.out.i[577644,577657] [2021-11-12 23:23:07,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:23:07,323 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:23:07,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:23:08,212 WARN L228 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_62c014e8-166f-4614-b19d-d90ec0b53289/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--broadcom--bnx2.ko-entry_point.cil.out.i[577644,577657] [2021-11-12 23:23:08,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:23:08,289 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:23:09,113 WARN L228 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_62c014e8-166f-4614-b19d-d90ec0b53289/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--broadcom--bnx2.ko-entry_point.cil.out.i[577644,577657] [2021-11-12 23:23:09,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:23:09,728 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:23:09,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:09 WrapperNode [2021-11-12 23:23:09,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:23:09,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:23:09,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:23:09,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:23:09,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:09" (1/1) ... [2021-11-12 23:23:10,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:09" (1/1) ... [2021-11-12 23:23:10,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:23:10,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:23:10,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:23:10,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:23:10,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:09" (1/1) ... [2021-11-12 23:23:10,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:09" (1/1) ... [2021-11-12 23:23:10,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:09" (1/1) ... [2021-11-12 23:23:10,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:09" (1/1) ... [2021-11-12 23:23:11,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:09" (1/1) ... [2021-11-12 23:23:11,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:09" (1/1) ... [2021-11-12 23:23:11,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:09" (1/1) ... [2021-11-12 23:23:11,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:23:11,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:23:11,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:23:11,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:23:11,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:09" (1/1) ... [2021-11-12 23:23:11,437 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:23:11,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:23:11,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:23:11,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:23:11,512 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-12 23:23:11,513 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-12 23:23:11,513 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2021-11-12 23:23:11,513 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2021-11-12 23:23:11,513 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2021-11-12 23:23:11,513 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2021-11-12 23:23:11,514 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2021-11-12 23:23:11,514 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2021-11-12 23:23:11,514 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-12 23:23:11,514 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-12 23:23:11,514 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-12 23:23:11,515 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-12 23:23:11,515 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2021-11-12 23:23:11,515 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2021-11-12 23:23:11,515 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-12 23:23:11,515 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-12 23:23:11,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 23:23:11,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 23:23:11,516 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-12 23:23:11,516 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-12 23:23:11,516 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2021-11-12 23:23:11,516 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2021-11-12 23:23:11,516 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2021-11-12 23:23:11,517 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2021-11-12 23:23:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-12 23:23:11,517 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-12 23:23:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2021-11-12 23:23:11,517 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2021-11-12 23:23:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-12 23:23:11,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-12 23:23:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2021-11-12 23:23:11,518 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2021-11-12 23:23:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:23:11,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:23:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2021-11-12 23:23:11,519 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2021-11-12 23:23:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2021-11-12 23:23:11,519 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2021-11-12 23:23:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-12 23:23:11,520 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-12 23:23:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-11-12 23:23:11,521 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-11-12 23:23:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2021-11-12 23:23:11,521 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2021-11-12 23:23:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2021-11-12 23:23:11,521 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2021-11-12 23:23:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-12 23:23:11,522 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-12 23:23:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2021-11-12 23:23:11,522 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2021-11-12 23:23:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2021-11-12 23:23:11,523 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2021-11-12 23:23:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-12 23:23:11,524 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-12 23:23:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-12 23:23:11,524 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-12 23:23:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-12 23:23:11,525 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-12 23:23:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2021-11-12 23:23:11,525 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2021-11-12 23:23:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-12 23:23:11,526 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-12 23:23:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2021-11-12 23:23:11,526 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2021-11-12 23:23:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-12 23:23:11,527 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-12 23:23:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-12 23:23:11,527 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-12 23:23:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2021-11-12 23:23:11,528 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2021-11-12 23:23:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2021-11-12 23:23:11,528 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2021-11-12 23:23:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2021-11-12 23:23:11,529 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2021-11-12 23:23:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-11-12 23:23:11,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-11-12 23:23:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-12 23:23:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-12 23:23:11,530 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-12 23:23:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-12 23:23:11,530 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-12 23:23:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-12 23:23:11,530 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-12 23:23:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-12 23:23:11,531 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-12 23:23:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-12 23:23:11,532 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-12 23:23:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:23:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2021-11-12 23:23:11,532 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2021-11-12 23:23:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:23:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:23:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:23:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2021-11-12 23:23:11,534 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2021-11-12 23:23:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-12 23:23:11,535 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-12 23:23:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2021-11-12 23:23:11,535 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2021-11-12 23:23:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-12 23:23:11,535 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-12 23:23:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-12 23:23:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-12 23:23:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2021-11-12 23:23:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2021-11-12 23:23:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-12 23:23:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-12 23:23:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-12 23:23:11,537 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-12 23:23:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-12 23:23:11,537 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-12 23:23:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-12 23:23:11,538 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-12 23:23:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-12 23:23:11,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-12 23:23:11,541 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2021-11-12 23:23:11,542 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2021-11-12 23:23:11,542 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2021-11-12 23:23:11,543 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2021-11-12 23:23:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-12 23:23:11,544 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-12 23:23:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2021-11-12 23:23:11,544 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2021-11-12 23:23:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-12 23:23:11,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-12 23:23:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2021-11-12 23:23:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2021-11-12 23:23:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2021-11-12 23:23:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2021-11-12 23:23:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2021-11-12 23:23:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2021-11-12 23:23:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2021-11-12 23:23:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2021-11-12 23:23:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-11-12 23:23:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-11-12 23:23:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2021-11-12 23:23:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2021-11-12 23:23:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-12 23:23:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-12 23:23:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-12 23:23:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-12 23:23:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_error_detected [2021-11-12 23:23:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_error_detected [2021-11-12 23:23:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 23:23:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 23:23:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2021-11-12 23:23:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2021-11-12 23:23:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2021-11-12 23:23:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2021-11-12 23:23:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2021-11-12 23:23:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2021-11-12 23:23:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2021-11-12 23:23:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2021-11-12 23:23:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-12 23:23:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-12 23:23:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-12 23:23:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-12 23:23:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-12 23:23:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-12 23:23:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2021-11-12 23:23:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2021-11-12 23:23:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2021-11-12 23:23:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2021-11-12 23:23:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-12 23:23:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-12 23:23:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2021-11-12 23:23:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2021-11-12 23:23:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2021-11-12 23:23:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2021-11-12 23:23:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-12 23:23:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-12 23:23:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2021-11-12 23:23:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2021-11-12 23:23:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-12 23:23:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-12 23:23:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-11-12 23:23:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-11-12 23:23:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 23:23:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 23:23:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2021-11-12 23:23:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2021-11-12 23:23:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2021-11-12 23:23:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2021-11-12 23:23:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2021-11-12 23:23:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2021-11-12 23:23:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-12 23:23:11,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-12 23:23:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2021-11-12 23:23:11,561 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2021-11-12 23:23:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:23:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2021-11-12 23:23:11,562 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2021-11-12 23:23:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-12 23:23:11,562 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-12 23:23:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2021-11-12 23:23:11,562 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2021-11-12 23:23:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-12 23:23:11,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-12 23:23:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:23:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-12 23:23:11,563 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-12 23:23:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-12 23:23:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:23:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2021-11-12 23:23:11,563 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2021-11-12 23:23:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:23:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2021-11-12 23:23:11,564 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2021-11-12 23:23:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:23:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2021-11-12 23:23:11,564 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2021-11-12 23:23:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-12 23:23:11,565 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-12 23:23:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ioctl [2021-11-12 23:23:11,565 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ioctl [2021-11-12 23:23:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2021-11-12 23:23:11,565 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2021-11-12 23:23:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2021-11-12 23:23:11,566 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2021-11-12 23:23:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-12 23:23:11,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-12 23:23:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-12 23:23:11,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-12 23:23:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2021-11-12 23:23:11,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2021-11-12 23:23:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-11-12 23:23:11,567 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-11-12 23:23:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2021-11-12 23:23:11,567 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2021-11-12 23:23:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-12 23:23:11,567 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-12 23:23:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-12 23:23:11,568 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-12 23:23:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-11-12 23:23:11,568 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-11-12 23:23:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-11-12 23:23:11,568 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-11-12 23:23:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-12 23:23:11,569 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-12 23:23:11,569 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2021-11-12 23:23:11,570 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2021-11-12 23:23:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-12 23:23:11,573 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-12 23:23:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-12 23:23:11,574 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-12 23:23:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2021-11-12 23:23:11,574 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2021-11-12 23:23:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2021-11-12 23:23:11,574 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2021-11-12 23:23:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:23:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-12 23:23:11,576 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-12 23:23:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2021-11-12 23:23:11,576 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2021-11-12 23:23:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-12 23:23:11,577 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-12 23:23:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2021-11-12 23:23:11,577 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2021-11-12 23:23:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:23:11,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:23:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-12 23:23:11,578 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-12 23:23:11,578 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-12 23:23:11,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-12 23:23:11,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:23:11,578 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2021-11-12 23:23:11,578 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2021-11-12 23:23:11,578 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-12 23:23:11,579 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-12 23:23:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:23:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_task [2021-11-12 23:23:11,579 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_task [2021-11-12 23:23:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:23:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:23:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:23:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:23:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:23:11,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:23:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2021-11-12 23:23:11,580 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2021-11-12 23:23:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-12 23:23:11,581 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-12 23:23:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2021-11-12 23:23:11,581 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2021-11-12 23:23:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-12 23:23:11,581 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-12 23:23:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-12 23:23:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-12 23:23:11,581 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-12 23:23:11,582 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-12 23:23:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-12 23:23:11,582 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-12 23:23:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-12 23:23:11,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-12 23:23:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-12 23:23:11,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2021-11-12 23:23:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2021-11-12 23:23:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2021-11-12 23:23:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2021-11-12 23:23:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2021-11-12 23:23:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2021-11-12 23:23:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-12 23:23:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-12 23:23:11,584 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-12 23:23:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-12 23:23:11,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 23:23:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 23:23:11,584 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-12 23:23:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-12 23:23:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2021-11-12 23:23:11,585 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2021-11-12 23:23:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-11-12 23:23:11,585 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-11-12 23:23:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2021-11-12 23:23:11,585 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2021-11-12 23:23:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2021-11-12 23:23:11,586 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2021-11-12 23:23:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-12 23:23:11,586 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-12 23:23:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2021-11-12 23:23:11,586 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2021-11-12 23:23:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2021-11-12 23:23:11,586 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2021-11-12 23:23:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-12 23:23:11,587 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-12 23:23:11,587 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-12 23:23:11,587 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-12 23:23:11,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:23:11,587 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2021-11-12 23:23:11,587 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2021-11-12 23:23:11,587 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2021-11-12 23:23:11,588 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2021-11-12 23:23:11,588 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2021-11-12 23:23:11,588 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2021-11-12 23:23:11,588 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-12 23:23:11,588 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-12 23:23:11,588 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2021-11-12 23:23:11,588 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2021-11-12 23:23:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-12 23:23:11,589 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-12 23:23:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2021-11-12 23:23:11,589 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2021-11-12 23:23:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:23:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-12 23:23:11,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-12 23:23:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2021-11-12 23:23:11,590 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2021-11-12 23:23:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2021-11-12 23:23:11,590 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2021-11-12 23:23:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2021-11-12 23:23:11,590 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2021-11-12 23:23:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-11-12 23:23:11,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-11-12 23:23:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2021-11-12 23:23:11,591 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2021-11-12 23:23:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:23:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:23:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:23:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2021-11-12 23:23:11,592 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2021-11-12 23:23:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:23:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2021-11-12 23:23:11,592 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2021-11-12 23:23:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:23:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2021-11-12 23:23:11,592 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2021-11-12 23:23:11,593 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2021-11-12 23:23:11,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2021-11-12 23:23:11,593 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2021-11-12 23:23:11,593 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2021-11-12 23:23:11,593 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2021-11-12 23:23:11,593 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2021-11-12 23:23:11,593 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-12 23:23:11,594 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-12 23:23:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2021-11-12 23:23:11,594 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2021-11-12 23:23:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-12 23:23:11,594 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-12 23:23:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-12 23:23:11,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-12 23:23:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-12 23:23:11,595 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-12 23:23:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2021-11-12 23:23:11,595 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2021-11-12 23:23:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-12 23:23:11,595 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-12 23:23:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2021-11-12 23:23:11,596 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2021-11-12 23:23:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2021-11-12 23:23:11,596 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2021-11-12 23:23:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-12 23:23:11,596 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-12 23:23:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2021-11-12 23:23:11,597 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2021-11-12 23:23:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_stats64 [2021-11-12 23:23:11,597 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_stats64 [2021-11-12 23:23:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-12 23:23:11,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-12 23:23:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2021-11-12 23:23:11,597 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2021-11-12 23:23:11,598 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2021-11-12 23:23:11,598 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2021-11-12 23:23:11,598 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2021-11-12 23:23:11,598 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2021-11-12 23:23:11,598 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-12 23:23:11,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-12 23:23:11,598 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2021-11-12 23:23:11,599 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2021-11-12 23:23:11,599 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-12 23:23:11,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-12 23:23:11,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-11-12 23:23:11,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-11-12 23:23:11,599 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-12 23:23:11,599 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-12 23:23:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-12 23:23:11,600 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-12 23:23:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-12 23:23:11,600 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-12 23:23:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2021-11-12 23:23:11,600 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2021-11-12 23:23:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-12 23:23:11,601 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-12 23:23:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2021-11-12 23:23:11,601 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2021-11-12 23:23:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2021-11-12 23:23:11,601 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2021-11-12 23:23:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mtu [2021-11-12 23:23:11,601 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mtu [2021-11-12 23:23:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 23:23:11,602 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 23:23:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2021-11-12 23:23:11,602 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2021-11-12 23:23:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2021-11-12 23:23:11,602 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2021-11-12 23:23:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:23:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:23:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:23:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:23:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:23:11,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:23:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2021-11-12 23:23:11,603 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2021-11-12 23:23:11,604 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2021-11-12 23:23:11,604 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2021-11-12 23:23:11,604 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2021-11-12 23:23:11,604 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2021-11-12 23:23:11,604 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_slot_reset [2021-11-12 23:23:11,604 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_slot_reset [2021-11-12 23:23:11,604 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2021-11-12 23:23:11,605 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2021-11-12 23:23:11,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-12 23:23:11,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-12 23:23:11,605 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-12 23:23:11,605 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-12 23:23:11,605 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-12 23:23:11,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-12 23:23:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-12 23:23:11,606 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-12 23:23:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2021-11-12 23:23:11,606 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2021-11-12 23:23:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-12 23:23:11,606 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-12 23:23:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-12 23:23:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-12 23:23:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2021-11-12 23:23:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2021-11-12 23:23:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2021-11-12 23:23:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2021-11-12 23:23:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2021-11-12 23:23:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2021-11-12 23:23:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-12 23:23:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-12 23:23:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-12 23:23:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-12 23:23:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-12 23:23:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-12 23:23:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-12 23:23:11,609 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-12 23:23:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-12 23:23:11,609 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-12 23:23:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-12 23:23:11,609 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-12 23:23:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2021-11-12 23:23:11,610 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2021-11-12 23:23:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2021-11-12 23:23:11,613 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2021-11-12 23:23:11,614 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-12 23:23:11,614 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-12 23:23:11,614 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_features [2021-11-12 23:23:11,614 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_features [2021-11-12 23:23:11,614 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2021-11-12 23:23:11,614 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2021-11-12 23:23:11,615 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2021-11-12 23:23:11,615 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2021-11-12 23:23:14,248 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:30:58,640 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:30:58,640 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-12 23:30:58,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:30:58 BoogieIcfgContainer [2021-11-12 23:30:58,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:30:58,656 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:30:58,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:30:58,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:30:58,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:23:01" (1/3) ... [2021-11-12 23:30:58,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@746d6801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:30:58, skipping insertion in model container [2021-11-12 23:30:58,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:09" (2/3) ... [2021-11-12 23:30:58,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@746d6801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:30:58, skipping insertion in model container [2021-11-12 23:30:58,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:30:58" (3/3) ... [2021-11-12 23:30:58,673 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--broadcom--bnx2.ko-entry_point.cil.out.i [2021-11-12 23:30:58,683 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:30:58,692 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:30:58,789 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:30:58,803 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:30:58,803 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:30:58,963 INFO L276 IsEmpty]: Start isEmpty. Operand has 5416 states, 3764 states have (on average 1.3501594048884167) internal successors, (5082), 3833 states have internal predecessors, (5082), 1420 states have call successors, (1420), 231 states have call predecessors, (1420), 230 states have return successors, (1412), 1409 states have call predecessors, (1412), 1412 states have call successors, (1412) [2021-11-12 23:30:59,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-11-12 23:30:59,018 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:30:59,019 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:30:59,020 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:30:59,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:30:59,027 INFO L85 PathProgramCache]: Analyzing trace with hash -2005583132, now seen corresponding path program 1 times [2021-11-12 23:30:59,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:30:59,059 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [709101419] [2021-11-12 23:30:59,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:30:59,060 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:30:59,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:30:59,064 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:30:59,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:31:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:31:11,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 5985 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-12 23:31:11,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:31:14,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1659 backedges. 646 proven. 0 refuted. 0 times theorem prover too weak. 1013 trivial. 0 not checked. [2021-11-12 23:31:14,414 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:31:16,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1659 backedges. 50 proven. 20 refuted. 0 times theorem prover too weak. 1589 trivial. 0 not checked. [2021-11-12 23:31:16,032 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:31:16,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [709101419] [2021-11-12 23:31:16,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [709101419] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:31:16,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:31:16,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2021-11-12 23:31:16,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889276594] [2021-11-12 23:31:16,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:31:16,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 23:31:16,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:31:16,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 23:31:16,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:31:16,113 INFO L87 Difference]: Start difference. First operand has 5416 states, 3764 states have (on average 1.3501594048884167) internal successors, (5082), 3833 states have internal predecessors, (5082), 1420 states have call successors, (1420), 231 states have call predecessors, (1420), 230 states have return successors, (1412), 1409 states have call predecessors, (1412), 1412 states have call successors, (1412) Second operand has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:31:16,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:31:16,593 INFO L93 Difference]: Finished difference Result 10827 states and 15958 transitions. [2021-11-12 23:31:16,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 23:31:16,596 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 351 [2021-11-12 23:31:16,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:31:16,674 INFO L225 Difference]: With dead ends: 10827 [2021-11-12 23:31:16,674 INFO L226 Difference]: Without dead ends: 5390 [2021-11-12 23:31:16,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 700 GetRequests, 700 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:31:16,735 INFO L933 BasicCegarLoop]: 7908 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7908 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 29.31ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-12 23:31:16,736 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 7908 Invalid, 0 Unknown, 0 Unchecked, 29.31ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-12 23:31:16,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5390 states. [2021-11-12 23:31:17,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5390 to 5390. [2021-11-12 23:31:17,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5390 states, 3748 states have (on average 1.3463180362860192) internal successors, (5046), 3807 states have internal predecessors, (5046), 1412 states have call successors, (1412), 230 states have call predecessors, (1412), 229 states have return successors, (1410), 1407 states have call predecessors, (1410), 1410 states have call successors, (1410) [2021-11-12 23:31:17,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5390 states to 5390 states and 7868 transitions. [2021-11-12 23:31:17,226 INFO L78 Accepts]: Start accepts. Automaton has 5390 states and 7868 transitions. Word has length 351 [2021-11-12 23:31:17,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:31:17,228 INFO L470 AbstractCegarLoop]: Abstraction has 5390 states and 7868 transitions. [2021-11-12 23:31:17,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:31:17,228 INFO L276 IsEmpty]: Start isEmpty. Operand 5390 states and 7868 transitions. [2021-11-12 23:31:17,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-11-12 23:31:17,243 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:31:17,244 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:31:17,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:31:17,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:31:17,460 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:31:17,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:31:17,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1749001734, now seen corresponding path program 1 times [2021-11-12 23:31:17,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:31:17,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [315157307] [2021-11-12 23:31:17,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:31:17,478 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:31:17,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:31:17,479 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:31:17,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:31:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:31:29,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 5985 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:31:29,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:31:32,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1659 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1605 trivial. 0 not checked. [2021-11-12 23:31:32,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:31:35,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1659 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 1617 trivial. 0 not checked. [2021-11-12 23:31:35,271 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:31:35,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [315157307] [2021-11-12 23:31:35,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [315157307] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:31:35,272 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:31:35,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2021-11-12 23:31:35,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828073491] [2021-11-12 23:31:35,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:31:35,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:31:35,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:31:35,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:31:35,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:31:35,276 INFO L87 Difference]: Start difference. First operand 5390 states and 7868 transitions. Second operand has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-12 23:31:37,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:31:37,677 INFO L93 Difference]: Finished difference Result 10752 states and 15777 transitions. [2021-11-12 23:31:37,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:31:37,679 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 351 [2021-11-12 23:31:37,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:31:37,760 INFO L225 Difference]: With dead ends: 10752 [2021-11-12 23:31:37,760 INFO L226 Difference]: Without dead ends: 5393 [2021-11-12 23:31:37,814 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 702 GetRequests, 693 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:31:37,815 INFO L933 BasicCegarLoop]: 7857 mSDtfsCounter, 6 mSDsluCounter, 31398 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1330.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 39255 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 145.11ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1380.46ms IncrementalHoareTripleChecker+Time [2021-11-12 23:31:37,816 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 39255 Invalid, 95 Unknown, 0 Unchecked, 145.11ms Time], IncrementalHoareTripleChecker [15 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 1380.46ms Time] [2021-11-12 23:31:37,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5393 states. [2021-11-12 23:31:38,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5393 to 5393. [2021-11-12 23:31:38,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5393 states, 3750 states have (on average 1.3464) internal successors, (5049), 3810 states have internal predecessors, (5049), 1412 states have call successors, (1412), 230 states have call predecessors, (1412), 230 states have return successors, (1411), 1407 states have call predecessors, (1411), 1410 states have call successors, (1411) [2021-11-12 23:31:38,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5393 states to 5393 states and 7872 transitions. [2021-11-12 23:31:38,194 INFO L78 Accepts]: Start accepts. Automaton has 5393 states and 7872 transitions. Word has length 351 [2021-11-12 23:31:38,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:31:38,198 INFO L470 AbstractCegarLoop]: Abstraction has 5393 states and 7872 transitions. [2021-11-12 23:31:38,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-12 23:31:38,199 INFO L276 IsEmpty]: Start isEmpty. Operand 5393 states and 7872 transitions. [2021-11-12 23:31:38,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-11-12 23:31:38,213 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:31:38,214 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:31:38,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:31:38,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:31:38,427 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:31:38,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:31:38,428 INFO L85 PathProgramCache]: Analyzing trace with hash -2141134808, now seen corresponding path program 1 times [2021-11-12 23:31:38,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:31:38,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772187927] [2021-11-12 23:31:38,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:31:38,447 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:31:38,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:31:38,448 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:31:38,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:31:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:31:51,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 6020 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:31:51,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:31:53,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 72 proven. 1 refuted. 0 times theorem prover too weak. 1656 trivial. 0 not checked. [2021-11-12 23:31:53,999 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:31:57,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-11-12 23:31:57,569 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:31:57,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1772187927] [2021-11-12 23:31:57,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1772187927] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:31:57,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [86308856] [2021-11-12 23:31:57,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:31:57,570 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:31:57,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:31:57,573 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:31:57,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-11-12 23:32:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:32:01,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 6020 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:32:01,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:32:03,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1729 trivial. 0 not checked. [2021-11-12 23:32:03,273 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:32:04,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1729 trivial. 0 not checked. [2021-11-12 23:32:04,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [86308856] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:32:04,360 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:32:04,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7, 7] total 12 [2021-11-12 23:32:04,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386012520] [2021-11-12 23:32:04,361 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:32:04,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:32:04,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:32:04,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:32:04,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-12 23:32:04,364 INFO L87 Difference]: Start difference. First operand 5393 states and 7872 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-12 23:32:05,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:32:05,960 INFO L93 Difference]: Finished difference Result 15984 states and 23332 transitions. [2021-11-12 23:32:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:32:05,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 358 [2021-11-12 23:32:05,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:32:06,086 INFO L225 Difference]: With dead ends: 15984 [2021-11-12 23:32:06,087 INFO L226 Difference]: Without dead ends: 10644 [2021-11-12 23:32:06,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1428 GetRequests, 1418 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-12 23:32:06,142 INFO L933 BasicCegarLoop]: 10647 mSDtfsCounter, 7726 mSDsluCounter, 7781 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 853.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7726 SdHoareTripleChecker+Valid, 18428 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 71.52ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 957.50ms IncrementalHoareTripleChecker+Time [2021-11-12 23:32:06,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7726 Valid, 18428 Invalid, 14 Unknown, 0 Unchecked, 71.52ms Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 957.50ms Time] [2021-11-12 23:32:06,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10644 states. [2021-11-12 23:32:06,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10644 to 10639. [2021-11-12 23:32:06,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10639 states, 7412 states have (on average 1.348623853211009) internal successors, (9996), 7530 states have internal predecessors, (9996), 2767 states have call successors, (2767), 458 states have call predecessors, (2767), 459 states have return successors, (2767), 2759 states have call predecessors, (2767), 2765 states have call successors, (2767) [2021-11-12 23:32:06,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10639 states to 10639 states and 15530 transitions. [2021-11-12 23:32:06,996 INFO L78 Accepts]: Start accepts. Automaton has 10639 states and 15530 transitions. Word has length 358 [2021-11-12 23:32:06,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:32:06,998 INFO L470 AbstractCegarLoop]: Abstraction has 10639 states and 15530 transitions. [2021-11-12 23:32:06,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-12 23:32:06,999 INFO L276 IsEmpty]: Start isEmpty. Operand 10639 states and 15530 transitions. [2021-11-12 23:32:07,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-11-12 23:32:07,016 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:32:07,017 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:32:07,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:32:07,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:32:07,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:32:07,432 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:32:07,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:32:07,433 INFO L85 PathProgramCache]: Analyzing trace with hash 2061523378, now seen corresponding path program 1 times [2021-11-12 23:32:07,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:32:07,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [977870848] [2021-11-12 23:32:07,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:32:07,450 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:32:07,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:32:07,451 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:32:07,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:32:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:32:19,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:32:19,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:32:22,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 72 proven. 1 refuted. 0 times theorem prover too weak. 1656 trivial. 0 not checked. [2021-11-12 23:32:22,607 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:32:26,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-11-12 23:32:26,254 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:32:26,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [977870848] [2021-11-12 23:32:26,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [977870848] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:32:26,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [163620684] [2021-11-12 23:32:26,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:32:26,255 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:32:26,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:32:26,256 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:32:26,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-11-12 23:32:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:32:30,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:32:30,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:32:31,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1729 trivial. 0 not checked. [2021-11-12 23:32:31,651 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:32:32,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1729 trivial. 0 not checked. [2021-11-12 23:32:32,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [163620684] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:32:32,914 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:32:32,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7, 7] total 12 [2021-11-12 23:32:32,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068998895] [2021-11-12 23:32:32,915 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:32:32,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:32:32,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:32:32,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:32:32,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-12 23:32:32,917 INFO L87 Difference]: Start difference. First operand 10639 states and 15530 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-12 23:32:35,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:32:35,711 INFO L93 Difference]: Finished difference Result 30549 states and 44485 transitions. [2021-11-12 23:32:35,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:32:35,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 370 [2021-11-12 23:32:35,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:32:35,921 INFO L225 Difference]: With dead ends: 30549 [2021-11-12 23:32:35,921 INFO L226 Difference]: Without dead ends: 19963 [2021-11-12 23:32:36,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1476 GetRequests, 1466 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-12 23:32:36,003 INFO L933 BasicCegarLoop]: 9178 mSDtfsCounter, 6867 mSDsluCounter, 7715 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1771.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6867 SdHoareTripleChecker+Valid, 16893 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 49.62ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1904.20ms IncrementalHoareTripleChecker+Time [2021-11-12 23:32:36,004 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6867 Valid, 16893 Invalid, 80 Unknown, 0 Unchecked, 49.62ms Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 1904.20ms Time] [2021-11-12 23:32:36,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19963 states. [2021-11-12 23:32:37,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19963 to 19957. [2021-11-12 23:32:37,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19957 states, 13897 states have (on average 1.3456861193063252) internal successors, (18701), 14131 states have internal predecessors, (18701), 5160 states have call successors, (5160), 896 states have call predecessors, (5160), 899 states have return successors, (5162), 5145 states have call predecessors, (5162), 5158 states have call successors, (5162) [2021-11-12 23:32:37,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19957 states to 19957 states and 29023 transitions. [2021-11-12 23:32:37,314 INFO L78 Accepts]: Start accepts. Automaton has 19957 states and 29023 transitions. Word has length 370 [2021-11-12 23:32:37,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:32:37,315 INFO L470 AbstractCegarLoop]: Abstraction has 19957 states and 29023 transitions. [2021-11-12 23:32:37,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-12 23:32:37,316 INFO L276 IsEmpty]: Start isEmpty. Operand 19957 states and 29023 transitions. [2021-11-12 23:32:37,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2021-11-12 23:32:37,341 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:32:37,342 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:32:37,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:32:37,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2021-11-12 23:32:37,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:32:37,764 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:32:37,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:32:37,765 INFO L85 PathProgramCache]: Analyzing trace with hash 158927485, now seen corresponding path program 1 times [2021-11-12 23:32:37,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:32:37,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1354753170] [2021-11-12 23:32:37,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:32:37,777 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:32:37,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:32:37,779 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:32:37,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-12 23:32:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:32:49,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 6237 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:32:49,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:32:52,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 72 proven. 1 refuted. 0 times theorem prover too weak. 1656 trivial. 0 not checked. [2021-11-12 23:32:52,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:32:56,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-11-12 23:32:56,526 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:32:56,526 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1354753170] [2021-11-12 23:32:56,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1354753170] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:32:56,526 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1692771057] [2021-11-12 23:32:56,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:32:56,526 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:32:56,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:32:56,527 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:32:56,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-12 23:33:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:33:00,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 6237 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-12 23:33:00,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:33:10,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1729 trivial. 0 not checked. [2021-11-12 23:33:10,675 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:33:13,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1729 trivial. 0 not checked. [2021-11-12 23:33:13,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1692771057] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:33:13,976 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:33:13,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [7, 7] total 12 [2021-11-12 23:33:13,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846934042] [2021-11-12 23:33:13,977 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:33:13,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:33:13,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:33:13,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:33:13,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-12 23:33:13,980 INFO L87 Difference]: Start difference. First operand 19957 states and 29023 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (72), 3 states have call predecessors, (72), 2 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2021-11-12 23:33:14,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:33:14,728 INFO L93 Difference]: Finished difference Result 22815 states and 33339 transitions. [2021-11-12 23:33:14,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:33:14,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (72), 3 states have call predecessors, (72), 2 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) Word has length 401 [2021-11-12 23:33:14,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:33:14,732 INFO L225 Difference]: With dead ends: 22815 [2021-11-12 23:33:14,732 INFO L226 Difference]: Without dead ends: 0 [2021-11-12 23:33:14,859 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1600 GetRequests, 1590 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-12 23:33:14,860 INFO L933 BasicCegarLoop]: 8818 mSDtfsCounter, 7009 mSDsluCounter, 1767 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7009 SdHoareTripleChecker+Valid, 10585 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.80ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.72ms IncrementalHoareTripleChecker+Time [2021-11-12 23:33:14,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7009 Valid, 10585 Invalid, 5 Unknown, 0 Unchecked, 27.80ms Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 55.72ms Time] [2021-11-12 23:33:14,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-12 23:33:14,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-12 23:33:14,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:33:14,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-12 23:33:14,871 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 401 [2021-11-12 23:33:14,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:33:14,872 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-12 23:33:14,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (72), 3 states have call predecessors, (72), 2 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2021-11-12 23:33:14,872 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-12 23:33:14,872 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-12 23:33:14,875 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-12 23:33:14,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-11-12 23:33:15,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:33:15,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62c014e8-166f-4614-b19d-d90ec0b53289/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:33:15,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.