./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-nvidia-forcedeth.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adea91ab-2d1c-454b-bde4-46d6f3dbcb74/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adea91ab-2d1c-454b-bde4-46d6f3dbcb74/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adea91ab-2d1c-454b-bde4-46d6f3dbcb74/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adea91ab-2d1c-454b-bde4-46d6f3dbcb74/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-nvidia-forcedeth.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adea91ab-2d1c-454b-bde4-46d6f3dbcb74/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adea91ab-2d1c-454b-bde4-46d6f3dbcb74/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1edb5588f581ece02eeb7885d279245e7d621dcbbbff2078bbf89ecbc6fe3a95 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:32:56,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:32:56,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:32:56,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:32:56,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:32:56,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:32:56,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:32:56,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:32:56,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:32:56,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:32:56,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:32:56,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:32:56,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:32:56,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:32:56,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:32:56,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:32:56,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:32:56,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:32:56,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:32:56,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:32:56,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:32:56,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:32:56,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:32:56,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:32:56,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:32:56,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:32:56,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:32:56,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:32:56,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:32:56,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:32:56,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:32:56,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:32:56,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:32:56,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:32:56,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:32:56,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:32:56,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:32:56,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:32:56,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:32:56,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:32:56,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:32:56,679 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adea91ab-2d1c-454b-bde4-46d6f3dbcb74/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 18:32:56,699 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:32:56,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:32:56,700 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:32:56,700 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:32:56,701 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 18:32:56,701 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 18:32:56,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:32:56,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:32:56,702 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:32:56,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:32:56,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 18:32:56,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:32:56,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 18:32:56,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 18:32:56,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 18:32:56,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:32:56,703 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:32:56,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 18:32:56,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:32:56,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:32:56,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 18:32:56,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:32:56,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:32:56,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 18:32:56,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 18:32:56,705 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 18:32:56,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 18:32:56,705 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 18:32:56,706 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 18:32:56,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 18:32:56,706 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:32:56,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adea91ab-2d1c-454b-bde4-46d6f3dbcb74/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adea91ab-2d1c-454b-bde4-46d6f3dbcb74/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1edb5588f581ece02eeb7885d279245e7d621dcbbbff2078bbf89ecbc6fe3a95 [2021-12-06 18:32:56,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:32:56,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:32:56,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:32:56,919 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:32:56,920 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:32:56,921 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adea91ab-2d1c-454b-bde4-46d6f3dbcb74/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-12-06 18:32:56,971 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adea91ab-2d1c-454b-bde4-46d6f3dbcb74/bin/uautomizer-DrprNOufMa/data/281917f23/8e471c060677403b94ba0dec4340b86a/FLAG69905e5de [2021-12-06 18:32:57,607 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:32:57,608 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adea91ab-2d1c-454b-bde4-46d6f3dbcb74/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-12-06 18:32:57,646 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adea91ab-2d1c-454b-bde4-46d6f3dbcb74/bin/uautomizer-DrprNOufMa/data/281917f23/8e471c060677403b94ba0dec4340b86a/FLAG69905e5de [2021-12-06 18:32:57,699 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adea91ab-2d1c-454b-bde4-46d6f3dbcb74/bin/uautomizer-DrprNOufMa/data/281917f23/8e471c060677403b94ba0dec4340b86a [2021-12-06 18:32:57,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:32:57,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:32:57,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:32:57,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:32:57,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:32:57,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:32:57" (1/1) ... [2021-12-06 18:32:57,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58c28e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:32:57, skipping insertion in model container [2021-12-06 18:32:57,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:32:57" (1/1) ... [2021-12-06 18:32:57,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:32:57,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:33:01,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adea91ab-2d1c-454b-bde4-46d6f3dbcb74/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-nvidia-forcedeth.cil.i[543971,543984] [2021-12-06 18:33:01,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:33:01,643 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:33:02,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adea91ab-2d1c-454b-bde4-46d6f3dbcb74/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-nvidia-forcedeth.cil.i[543971,543984] [2021-12-06 18:33:02,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:33:02,299 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:33:02,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:02 WrapperNode [2021-12-06 18:33:02,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:33:02,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:33:02,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:33:02,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:33:02,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:02" (1/1) ... [2021-12-06 18:33:02,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:02" (1/1) ... [2021-12-06 18:33:02,700 INFO L137 Inliner]: procedures = 587, calls = 5874, calls flagged for inlining = 313, calls inlined = 305, statements flattened = 12721 [2021-12-06 18:33:02,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:33:02,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:33:02,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:33:02,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:33:02,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:02" (1/1) ... [2021-12-06 18:33:02,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:02" (1/1) ... [2021-12-06 18:33:02,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:02" (1/1) ... [2021-12-06 18:33:02,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:02" (1/1) ... [2021-12-06 18:33:03,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:02" (1/1) ... [2021-12-06 18:33:03,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:02" (1/1) ... [2021-12-06 18:33:03,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:02" (1/1) ... [2021-12-06 18:33:03,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:33:03,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:33:03,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:33:03,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:33:03,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:02" (1/1) ... [2021-12-06 18:33:03,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:33:03,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adea91ab-2d1c-454b-bde4-46d6f3dbcb74/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:33:03,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adea91ab-2d1c-454b-bde4-46d6f3dbcb74/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 18:33:03,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adea91ab-2d1c-454b-bde4-46d6f3dbcb74/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 18:33:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8211b [2021-12-06 18:33:03,359 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8211b [2021-12-06 18:33:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nway_reset [2021-12-06 18:33:03,359 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nway_reset [2021-12-06 18:33:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-06 18:33:03,359 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-06 18:33:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_rxtx [2021-12-06 18:33:03,360 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_rxtx [2021-12-06 18:33:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_tx [2021-12-06 18:33:03,360 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_tx [2021-12-06 18:33:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_lock [2021-12-06 18:33:03,360 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_lock [2021-12-06 18:33:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-06 18:33:03,360 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-06 18:33:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 18:33:03,360 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 18:33:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-06 18:33:03,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-06 18:33:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-06 18:33:03,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-06 18:33:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-06 18:33:03,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-06 18:33:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_multicast [2021-12-06 18:33:03,361 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_multicast [2021-12-06 18:33:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 18:33:03,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 18:33:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-06 18:33:03,361 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-06 18:33:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure nv_msi_workaround [2021-12-06 18:33:03,361 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_msi_workaround [2021-12-06 18:33:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_empty_tx_slots [2021-12-06 18:33:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_empty_tx_slots [2021-12-06 18:33:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-06 18:33:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-06 18:33:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-06 18:33:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-06 18:33:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-06 18:33:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-06 18:33:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-06 18:33:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-06 18:33:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure nv_close [2021-12-06 18:33:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_close [2021-12-06 18:33:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure dma_high [2021-12-06 18:33:03,363 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_high [2021-12-06 18:33:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_hw_interrupts [2021-12-06 18:33:03,363 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_hw_interrupts [2021-12-06 18:33:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-06 18:33:03,363 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-06 18:33:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-06 18:33:03,363 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-06 18:33:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rxtx [2021-12-06 18:33:03,363 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rxtx [2021-12-06 18:33:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure nv_vlan_mode [2021-12-06 18:33:03,363 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_vlan_mode [2021-12-06 18:33:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-06 18:33:03,364 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-06 18:33:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-06 18:33:03,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-06 18:33:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8201 [2021-12-06 18:33:03,364 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8201 [2021-12-06 18:33:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-06 18:33:03,364 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-06 18:33:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure reg_delay [2021-12-06 18:33:03,364 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_delay [2021-12-06 18:33:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-06 18:33:03,364 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-06 18:33:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-06 18:33:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-06 18:33:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-06 18:33:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-06 18:33:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 18:33:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 18:33:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-06 18:33:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-06 18:33:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2021-12-06 18:33:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2021-12-06 18:33:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 18:33:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-06 18:33:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-06 18:33:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure pci_push [2021-12-06 18:33:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_push [2021-12-06 18:33:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-12-06 18:33:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-12-06 18:33:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-06 18:33:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-06 18:33:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2021-12-06 18:33:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2021-12-06 18:33:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 18:33:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 18:33:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-06 18:33:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-06 18:33:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 18:33:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 18:33:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-06 18:33:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-06 18:33:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx_optimized [2021-12-06 18:33:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx_optimized [2021-12-06 18:33:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 18:33:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-12-06 18:33:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-12-06 18:33:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-06 18:33:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-06 18:33:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-06 18:33:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-06 18:33:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep [2021-12-06 18:33:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep [2021-12-06 18:33:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 18:33:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-06 18:33:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-06 18:33:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 18:33:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-06 18:33:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-06 18:33:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 18:33:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 18:33:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_forcedeth_pci_driver_exit_20_2 [2021-12-06 18:33:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_forcedeth_pci_driver_exit_20_2 [2021-12-06 18:33:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-06 18:33:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-06 18:33:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-06 18:33:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-06 18:33:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-06 18:33:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-06 18:33:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_tx [2021-12-06 18:33:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_tx [2021-12-06 18:33:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_stats [2021-12-06 18:33:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_stats [2021-12-06 18:33:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-06 18:33:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-06 18:33:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-06 18:33:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-06 18:33:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_sent_queue [2021-12-06 18:33:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_sent_queue [2021-12-06 18:33:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure get_hwbase [2021-12-06 18:33:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hwbase [2021-12-06 18:33:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure setup_hw_rings [2021-12-06 18:33:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_hw_rings [2021-12-06 18:33:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_tx [2021-12-06 18:33:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_tx [2021-12-06 18:33:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 18:33:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-06 18:33:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-06 18:33:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-06 18:33:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-06 18:33:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-06 18:33:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-06 18:33:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-06 18:33:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-06 18:33:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure nv_free_irq [2021-12-06 18:33:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_free_irq [2021-12-06 18:33:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-06 18:33:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-06 18:33:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure nv_shutdown [2021-12-06 18:33:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_shutdown [2021-12-06 18:33:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 18:33:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-06 18:33:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-06 18:33:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure nv_suspend [2021-12-06 18:33:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_suspend [2021-12-06 18:33:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-06 18:33:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-06 18:33:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-06 18:33:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-06 18:33:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 18:33:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 18:33:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure nv_gear_backoff_reseed [2021-12-06 18:33:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_gear_backoff_reseed [2021-12-06 18:33:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 18:33:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 18:33:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-06 18:33:03,373 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-06 18:33:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-06 18:33:03,373 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-06 18:33:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-12-06 18:33:03,373 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-12-06 18:33:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 18:33:03,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 18:33:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx [2021-12-06 18:33:03,373 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx [2021-12-06 18:33:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-06 18:33:03,373 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-06 18:33:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_other [2021-12-06 18:33:03,374 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_other [2021-12-06 18:33:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-06 18:33:03,374 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-06 18:33:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_rx [2021-12-06 18:33:03,374 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_rx [2021-12-06 18:33:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure nv_restore_mac_addr [2021-12-06 18:33:03,374 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_restore_mac_addr [2021-12-06 18:33:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-06 18:33:03,374 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-06 18:33:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 18:33:03,374 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 18:33:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-06 18:33:03,374 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-06 18:33:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-06 18:33:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-06 18:33:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_disable [2021-12-06 18:33:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_disable [2021-12-06 18:33:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-12-06 18:33:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-12-06 18:33:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-06 18:33:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-06 18:33:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_timeout [2021-12-06 18:33:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_timeout [2021-12-06 18:33:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure nv_rx_process_optimized [2021-12-06 18:33:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_rx_process_optimized [2021-12-06 18:33:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-06 18:33:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-06 18:33:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-06 18:33:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-06 18:33:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_ring [2021-12-06 18:33:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_ring [2021-12-06 18:33:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-12-06 18:33:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-12-06 18:33:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure nv_legacybackoff_reseed [2021-12-06 18:33:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_legacybackoff_reseed [2021-12-06 18:33:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:33:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:33:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-06 18:33:03,377 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-06 18:33:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure nv_poll_controller [2021-12-06 18:33:03,377 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_poll_controller [2021-12-06 18:33:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-06 18:33:03,377 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-06 18:33:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done_optimized [2021-12-06 18:33:03,377 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done_optimized [2021-12-06 18:33:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 18:33:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 18:33:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 18:33:03,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 18:33:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-06 18:33:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-06 18:33:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_sset_count [2021-12-06 18:33:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_sset_count [2021-12-06 18:33:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-06 18:33:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-06 18:33:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-06 18:33:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-06 18:33:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_gate [2021-12-06 18:33:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_gate [2021-12-06 18:33:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure nv_remove [2021-12-06 18:33:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_remove [2021-12-06 18:33:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-06 18:33:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_enable [2021-12-06 18:33:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_enable [2021-12-06 18:33:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-12-06 18:33:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-12-06 18:33:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-06 18:33:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-06 18:33:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-06 18:33:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-06 18:33:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-12-06 18:33:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-12-06 18:33:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-12-06 18:33:03,380 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-12-06 18:33:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure free_rings [2021-12-06 18:33:03,380 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rings [2021-12-06 18:33:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-06 18:33:03,380 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-06 18:33:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_reset [2021-12-06 18:33:03,380 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_reset [2021-12-06 18:33:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 18:33:03,380 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 18:33:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-06 18:33:03,381 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-06 18:33:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure nv_do_nic_poll [2021-12-06 18:33:03,381 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_do_nic_poll [2021-12-06 18:33:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-12-06 18:33:03,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-12-06 18:33:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-06 18:33:03,381 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-06 18:33:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-06 18:33:03,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-06 18:33:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-06 18:33:03,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-06 18:33:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure nv_resume [2021-12-06 18:33:03,382 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_resume [2021-12-06 18:33:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-06 18:33:03,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-06 18:33:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-06 18:33:03,382 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-06 18:33:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-12-06 18:33:03,382 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-12-06 18:33:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-06 18:33:03,382 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-06 18:33:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-06 18:33:03,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-06 18:33:03,383 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-06 18:33:03,383 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-06 18:33:03,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 18:33:03,383 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rw [2021-12-06 18:33:03,383 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rw [2021-12-06 18:33:03,383 INFO L130 BoogieDeclarations]: Found specification of procedure set_msix_vector_map [2021-12-06 18:33:03,383 INFO L138 BoogieDeclarations]: Found implementation of procedure set_msix_vector_map [2021-12-06 18:33:03,383 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-06 18:33:03,383 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-06 18:33:03,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 18:33:03,383 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_loopback [2021-12-06 18:33:03,384 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_loopback [2021-12-06 18:33:03,384 INFO L130 BoogieDeclarations]: Found specification of procedure nv_mac_reset [2021-12-06 18:33:03,384 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_mac_reset [2021-12-06 18:33:03,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 18:33:03,384 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_completed_queue [2021-12-06 18:33:03,384 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_completed_queue [2021-12-06 18:33:03,384 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-06 18:33:03,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-06 18:33:03,384 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-06 18:33:03,384 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-06 18:33:03,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-06 18:33:03,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-06 18:33:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done [2021-12-06 18:33:03,385 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done [2021-12-06 18:33:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-06 18:33:03,385 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-06 18:33:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-06 18:33:03,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-06 18:33:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-06 18:33:03,385 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-06 18:33:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-06 18:33:03,385 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-06 18:33:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-06 18:33:03,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-06 18:33:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-06 18:33:03,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-06 18:33:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2021-12-06 18:33:03,386 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2021-12-06 18:33:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-06 18:33:03,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-06 18:33:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure nv_linkchange [2021-12-06 18:33:03,386 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_linkchange [2021-12-06 18:33:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_hw_interrupts [2021-12-06 18:33:03,386 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_hw_interrupts [2021-12-06 18:33:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2021-12-06 18:33:03,386 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2021-12-06 18:33:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure phy_init [2021-12-06 18:33:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_init [2021-12-06 18:33:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure dma_low [2021-12-06 18:33:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_low [2021-12-06 18:33:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure nv_copy_mac_to_hw [2021-12-06 18:33:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_copy_mac_to_hw [2021-12-06 18:33:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-06 18:33:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-06 18:33:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-06 18:33:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-06 18:33:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-06 18:33:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-06 18:33:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-06 18:33:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-06 18:33:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_tx [2021-12-06 18:33:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_tx [2021-12-06 18:33:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock_bh [2021-12-06 18:33:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock_bh [2021-12-06 18:33:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-06 18:33:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-06 18:33:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock_bh [2021-12-06 18:33:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock_bh [2021-12-06 18:33:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure nv_force_linkspeed [2021-12-06 18:33:03,389 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_force_linkspeed [2021-12-06 18:33:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 18:33:03,389 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 18:33:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_pause [2021-12-06 18:33:03,389 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_pause [2021-12-06 18:33:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 18:33:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_tx [2021-12-06 18:33:03,389 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_tx [2021-12-06 18:33:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-12-06 18:33:03,389 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-12-06 18:33:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-06 18:33:03,390 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-06 18:33:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 18:33:03,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 18:33:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_irq [2021-12-06 18:33:03,390 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_irq [2021-12-06 18:33:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-06 18:33:03,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-06 18:33:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure nv_unmap_txskb [2021-12-06 18:33:03,390 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_unmap_txskb [2021-12-06 18:33:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-12-06 18:33:03,390 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-12-06 18:33:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rx [2021-12-06 18:33:03,391 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rx [2021-12-06 18:33:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-12-06 18:33:03,391 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-12-06 18:33:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-06 18:33:03,391 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-06 18:33:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-06 18:33:03,391 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-06 18:33:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure nv_getlen [2021-12-06 18:33:03,391 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_getlen [2021-12-06 18:33:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure nv_link_irq [2021-12-06 18:33:03,392 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_link_irq [2021-12-06 18:33:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure nv_optimized [2021-12-06 18:33:03,392 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_optimized [2021-12-06 18:33:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-12-06 18:33:03,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-12-06 18:33:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rxtx [2021-12-06 18:33:03,392 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rxtx [2021-12-06 18:33:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_linkspeed [2021-12-06 18:33:03,392 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_linkspeed [2021-12-06 18:33:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure using_multi_irqs [2021-12-06 18:33:03,392 INFO L138 BoogieDeclarations]: Found implementation of procedure using_multi_irqs [2021-12-06 18:33:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock [2021-12-06 18:33:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock [2021-12-06 18:33:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-06 18:33:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-06 18:33:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-06 18:33:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-06 18:33:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-06 18:33:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-06 18:33:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-06 18:33:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-06 18:33:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_lockdep [2021-12-06 18:33:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_lockdep [2021-12-06 18:33:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_irq [2021-12-06 18:33:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_irq [2021-12-06 18:33:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure nv_open [2021-12-06 18:33:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_open [2021-12-06 18:33:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-06 18:33:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-06 18:33:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rx [2021-12-06 18:33:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rx [2021-12-06 18:33:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 18:33:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 18:33:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure phy_reset [2021-12-06 18:33:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_reset [2021-12-06 18:33:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-06 18:33:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-06 18:33:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-06 18:33:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-06 18:33:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 18:33:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure get_nvpriv [2021-12-06 18:33:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nvpriv [2021-12-06 18:33:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure nv_request_irq [2021-12-06 18:33:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_request_irq [2021-12-06 18:33:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-06 18:33:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-06 18:33:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_regs_len [2021-12-06 18:33:03,396 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_regs_len [2021-12-06 18:33:04,202 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:33:04,206 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:33:04,907 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 18:44:42,645 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-06 18:44:42,749 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:44:42,772 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:44:42,772 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-06 18:44:42,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:44:42 BoogieIcfgContainer [2021-12-06 18:44:42,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:44:42,779 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 18:44:42,779 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 18:44:42,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 18:44:42,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:32:57" (1/3) ... [2021-12-06 18:44:42,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13be7469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:44:42, skipping insertion in model container [2021-12-06 18:44:42,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:02" (2/3) ... [2021-12-06 18:44:42,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13be7469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:44:42, skipping insertion in model container [2021-12-06 18:44:42,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:44:42" (3/3) ... [2021-12-06 18:44:42,783 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-12-06 18:44:42,787 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 18:44:42,787 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 18:44:42,847 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 18:44:42,853 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 18:44:42,853 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 18:44:42,964 INFO L276 IsEmpty]: Start isEmpty. Operand has 5169 states, 3322 states have (on average 1.3037326911499096) internal successors, (4331), 3440 states have internal predecessors, (4331), 1637 states have call successors, (1637), 210 states have call predecessors, (1637), 209 states have return successors, (1626), 1596 states have call predecessors, (1626), 1626 states have call successors, (1626) [2021-12-06 18:44:42,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-12-06 18:44:42,984 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:44:42,985 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:44:42,986 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:44:42,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:44:42,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1195511006, now seen corresponding path program 1 times [2021-12-06 18:44:42,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:44:42,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079482574] [2021-12-06 18:44:42,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:44:42,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:44:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:44:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:44:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:44:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:44:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:44:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:44:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:44:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:44:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:44:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:44:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:44:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:44:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:44:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:44:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:44:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:44:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:44:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:44:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:44:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:44:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:44:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:44:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:44:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:44:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:44:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:44:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:44:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:44:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:44:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:44:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:44:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:44:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:44:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:44:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:44:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:44:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:44:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:44:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:44:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:44:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:44:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:44:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:44:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:44:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:44:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:44:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:44:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:44:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-06 18:44:44,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-06 18:44:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:44:44,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2021-12-06 18:44:44,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:44:44,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079482574] [2021-12-06 18:44:44,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079482574] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:44:44,959 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:44:44,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:44:44,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066952357] [2021-12-06 18:44:44,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:44:44,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:44:44,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:44:44,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:44:44,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:44:44,995 INFO L87 Difference]: Start difference. First operand has 5169 states, 3322 states have (on average 1.3037326911499096) internal successors, (4331), 3440 states have internal predecessors, (4331), 1637 states have call successors, (1637), 210 states have call predecessors, (1637), 209 states have return successors, (1626), 1596 states have call predecessors, (1626), 1626 states have call successors, (1626) Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-06 18:44:47,154 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:44:49,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:45:19,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:45:19,735 INFO L93 Difference]: Finished difference Result 16137 states and 24159 transitions. [2021-12-06 18:45:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:45:19,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 291 [2021-12-06 18:45:19,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:45:19,838 INFO L225 Difference]: With dead ends: 16137 [2021-12-06 18:45:19,838 INFO L226 Difference]: Without dead ends: 11003 [2021-12-06 18:45:19,881 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:45:19,883 INFO L933 BasicCegarLoop]: 8117 mSDtfsCounter, 9730 mSDsluCounter, 8121 mSDsCounter, 0 mSdLazyCounter, 5758 mSolverCounterSat, 5514 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11372 SdHoareTripleChecker+Valid, 16238 SdHoareTripleChecker+Invalid, 11274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5514 IncrementalHoareTripleChecker+Valid, 5758 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.8s IncrementalHoareTripleChecker+Time [2021-12-06 18:45:19,884 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11372 Valid, 16238 Invalid, 11274 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5514 Valid, 5758 Invalid, 2 Unknown, 0 Unchecked, 33.8s Time] [2021-12-06 18:45:19,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11003 states. [2021-12-06 18:45:20,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11003 to 10129. [2021-12-06 18:45:20,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10129 states, 6505 states have (on average 1.2948501152959262) internal successors, (8423), 6737 states have internal predecessors, (8423), 3208 states have call successors, (3208), 416 states have call predecessors, (3208), 415 states have return successors, (3205), 3145 states have call predecessors, (3205), 3205 states have call successors, (3205) [2021-12-06 18:45:20,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10129 states to 10129 states and 14836 transitions. [2021-12-06 18:45:20,551 INFO L78 Accepts]: Start accepts. Automaton has 10129 states and 14836 transitions. Word has length 291 [2021-12-06 18:45:20,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:45:20,553 INFO L470 AbstractCegarLoop]: Abstraction has 10129 states and 14836 transitions. [2021-12-06 18:45:20,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-06 18:45:20,553 INFO L276 IsEmpty]: Start isEmpty. Operand 10129 states and 14836 transitions. [2021-12-06 18:45:20,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-12-06 18:45:20,569 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:45:20,569 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:45:20,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 18:45:20,570 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:45:20,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:45:20,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1281557811, now seen corresponding path program 1 times [2021-12-06 18:45:20,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:45:20,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885219123] [2021-12-06 18:45:20,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:45:20,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:45:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:45:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:45:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:45:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:45:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:45:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:45:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:45:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:45:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:45:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:45:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:45:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:45:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:45:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:45:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:45:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:45:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:45:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:45:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:45:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:45:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:45:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:45:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:45:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:45:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:45:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:45:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:45:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:45:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:45:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:45:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:45:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:45:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:45:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:45:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:45:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:45:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:45:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:45:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:45:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:45:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:45:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:45:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:45:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:45:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:45:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:45:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:45:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:45:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-06 18:45:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-06 18:45:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 18:45:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 18:45:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 18:45:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:45:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-06 18:45:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-06 18:45:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-06 18:45:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:45:21,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2824 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2814 trivial. 0 not checked. [2021-12-06 18:45:21,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:45:21,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885219123] [2021-12-06 18:45:21,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885219123] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:45:21,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:45:21,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:45:21,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755634215] [2021-12-06 18:45:21,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:45:21,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:45:21,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:45:21,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:45:21,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:45:21,944 INFO L87 Difference]: Start difference. First operand 10129 states and 14836 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-06 18:45:24,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:45:26,396 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:45:58,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:45:58,682 INFO L93 Difference]: Finished difference Result 21527 states and 31775 transitions. [2021-12-06 18:45:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:45:58,683 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 347 [2021-12-06 18:45:58,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:45:58,785 INFO L225 Difference]: With dead ends: 21527 [2021-12-06 18:45:58,785 INFO L226 Difference]: Without dead ends: 16447 [2021-12-06 18:45:58,812 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:45:58,813 INFO L933 BasicCegarLoop]: 13916 mSDtfsCounter, 7644 mSDsluCounter, 10575 mSDsCounter, 0 mSdLazyCounter, 5807 mSolverCounterSat, 3799 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9282 SdHoareTripleChecker+Valid, 24491 SdHoareTripleChecker+Invalid, 9608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3799 IncrementalHoareTripleChecker+Valid, 5807 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.9s IncrementalHoareTripleChecker+Time [2021-12-06 18:45:58,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9282 Valid, 24491 Invalid, 9608 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3799 Valid, 5807 Invalid, 2 Unknown, 0 Unchecked, 35.9s Time] [2021-12-06 18:45:58,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16447 states. [2021-12-06 18:45:59,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16447 to 15136. [2021-12-06 18:45:59,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15136 states, 9723 states have (on average 1.2953820837190169) internal successors, (12595), 10070 states have internal predecessors, (12595), 4790 states have call successors, (4790), 623 states have call predecessors, (4790), 622 states have return successors, (4787), 4697 states have call predecessors, (4787), 4787 states have call successors, (4787) [2021-12-06 18:45:59,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15136 states to 15136 states and 22172 transitions. [2021-12-06 18:45:59,470 INFO L78 Accepts]: Start accepts. Automaton has 15136 states and 22172 transitions. Word has length 347 [2021-12-06 18:45:59,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:45:59,471 INFO L470 AbstractCegarLoop]: Abstraction has 15136 states and 22172 transitions. [2021-12-06 18:45:59,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-06 18:45:59,471 INFO L276 IsEmpty]: Start isEmpty. Operand 15136 states and 22172 transitions. [2021-12-06 18:45:59,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-12-06 18:45:59,483 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:45:59,483 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:45:59,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 18:45:59,483 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:45:59,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:45:59,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1147544305, now seen corresponding path program 1 times [2021-12-06 18:45:59,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:45:59,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794123884] [2021-12-06 18:45:59,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:45:59,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:46:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:46:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:46:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:46:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:46:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:46:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:46:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:46:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:46:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:46:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:46:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:46:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:46:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:46:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:46:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:46:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:46:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:46:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:46:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:46:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:46:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:46:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:46:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:46:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:46:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:46:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:46:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:46:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:46:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:46:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:46:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:46:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:46:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:46:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:46:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:46:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:46:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:46:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:46:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:46:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:46:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:46:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:46:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:46:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:46:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:46:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:46:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:46:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:46:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-06 18:46:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-06 18:46:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 18:46:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 18:46:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 18:46:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:46:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-06 18:46:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-06 18:46:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-06 18:46:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:46:00,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2824 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2824 trivial. 0 not checked. [2021-12-06 18:46:00,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:46:00,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794123884] [2021-12-06 18:46:00,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794123884] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:46:00,961 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:46:00,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:46:00,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377770983] [2021-12-06 18:46:00,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:46:00,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:46:00,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:46:00,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:46:00,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:46:00,963 INFO L87 Difference]: Start difference. First operand 15136 states and 22172 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-06 18:46:03,092 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:46:24,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:46:24,862 INFO L93 Difference]: Finished difference Result 16447 states and 24338 transitions. [2021-12-06 18:46:24,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:46:24,863 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 347 [2021-12-06 18:46:24,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:46:24,865 INFO L225 Difference]: With dead ends: 16447 [2021-12-06 18:46:24,865 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 18:46:24,912 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 18:46:24,913 INFO L933 BasicCegarLoop]: 7001 mSDtfsCounter, 7732 mSDsluCounter, 8064 mSDsCounter, 0 mSdLazyCounter, 4044 mSolverCounterSat, 3802 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8700 SdHoareTripleChecker+Valid, 15065 SdHoareTripleChecker+Invalid, 7847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3802 IncrementalHoareTripleChecker+Valid, 4044 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2021-12-06 18:46:24,913 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8700 Valid, 15065 Invalid, 7847 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3802 Valid, 4044 Invalid, 1 Unknown, 0 Unchecked, 22.9s Time] [2021-12-06 18:46:24,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 18:46:24,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 18:46:24,914 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) [2021-12-06 18:46:24,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 18:46:24,917 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 347 [2021-12-06 18:46:24,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:46:24,917 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 18:46:24,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-06 18:46:24,918 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 18:46:24,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 18:46:24,919 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 18:46:24,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 18:46:24,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.