./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 c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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-tmp.no-commuhash-c3fed41 [2021-12-18 13:32:49,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 13:32:49,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 13:32:49,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 13:32:49,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 13:32:49,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 13:32:49,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 13:32:49,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 13:32:49,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 13:32:49,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 13:32:49,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 13:32:49,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 13:32:49,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 13:32:49,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 13:32:49,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 13:32:49,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 13:32:49,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 13:32:49,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 13:32:49,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 13:32:49,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 13:32:49,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 13:32:49,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 13:32:49,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 13:32:49,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 13:32:49,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 13:32:49,085 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 13:32:49,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 13:32:49,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 13:32:49,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 13:32:49,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 13:32:49,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 13:32:49,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 13:32:49,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 13:32:49,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 13:32:49,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 13:32:49,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 13:32:49,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 13:32:49,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 13:32:49,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 13:32:49,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 13:32:49,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 13:32:49,094 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 13:32:49,117 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 13:32:49,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 13:32:49,118 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 13:32:49,118 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 13:32:49,119 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 13:32:49,119 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 13:32:49,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 13:32:49,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 13:32:49,120 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 13:32:49,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 13:32:49,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 13:32:49,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 13:32:49,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 13:32:49,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 13:32:49,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 13:32:49,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 13:32:49,121 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 13:32:49,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 13:32:49,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 13:32:49,122 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 13:32:49,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 13:32:49,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 13:32:49,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 13:32:49,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 13:32:49,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 13:32:49,123 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 13:32:49,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 13:32:49,124 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 13:32:49,124 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 13:32:49,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 13:32:49,124 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 13:32:49,124 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1edb5588f581ece02eeb7885d279245e7d621dcbbbff2078bbf89ecbc6fe3a95 [2021-12-18 13:32:49,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 13:32:49,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 13:32:49,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 13:32:49,340 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 13:32:49,340 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 13:32:49,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-12-18 13:32:49,415 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a80d498/f7a99128d8d34dd3992e24341d6fe8ba/FLAG100958d6b [2021-12-18 13:32:50,145 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 13:32:50,145 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-12-18 13:32:50,187 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a80d498/f7a99128d8d34dd3992e24341d6fe8ba/FLAG100958d6b [2021-12-18 13:32:50,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a80d498/f7a99128d8d34dd3992e24341d6fe8ba [2021-12-18 13:32:50,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 13:32:50,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 13:32:50,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 13:32:50,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 13:32:50,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 13:32:50,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:32:50" (1/1) ... [2021-12-18 13:32:50,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23e42af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:32:50, skipping insertion in model container [2021-12-18 13:32:50,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:32:50" (1/1) ... [2021-12-18 13:32:50,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 13:32:50,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 13:32:54,660 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-nvidia-forcedeth.cil.i[543971,543984] [2021-12-18 13:32:54,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 13:32:54,827 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 13:32:55,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-nvidia-forcedeth.cil.i[543971,543984] [2021-12-18 13:32:55,202 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 13:32:55,414 INFO L208 MainTranslator]: Completed translation [2021-12-18 13:32:55,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:32:55 WrapperNode [2021-12-18 13:32:55,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 13:32:55,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 13:32:55,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 13:32:55,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 13:32:55,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:32:55" (1/1) ... [2021-12-18 13:32:55,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:32:55" (1/1) ... [2021-12-18 13:32:55,692 INFO L137 Inliner]: procedures = 587, calls = 5874, calls flagged for inlining = 313, calls inlined = 305, statements flattened = 12721 [2021-12-18 13:32:55,693 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 13:32:55,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 13:32:55,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 13:32:55,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 13:32:55,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:32:55" (1/1) ... [2021-12-18 13:32:55,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:32:55" (1/1) ... [2021-12-18 13:32:55,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:32:55" (1/1) ... [2021-12-18 13:32:55,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:32:55" (1/1) ... [2021-12-18 13:32:55,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:32:55" (1/1) ... [2021-12-18 13:32:56,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:32:55" (1/1) ... [2021-12-18 13:32:56,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:32:55" (1/1) ... [2021-12-18 13:32:56,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 13:32:56,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 13:32:56,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 13:32:56,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 13:32:56,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:32:55" (1/1) ... [2021-12-18 13:32:56,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 13:32:56,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 13:32:56,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 13:32:56,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 13:32:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8211b [2021-12-18 13:32:56,151 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8211b [2021-12-18 13:32:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nway_reset [2021-12-18 13:32:56,151 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nway_reset [2021-12-18 13:32:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-18 13:32:56,152 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-18 13:32:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_rxtx [2021-12-18 13:32:56,152 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_rxtx [2021-12-18 13:32:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_tx [2021-12-18 13:32:56,152 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_tx [2021-12-18 13:32:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_lock [2021-12-18 13:32:56,152 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_lock [2021-12-18 13:32:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-18 13:32:56,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-18 13:32:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 13:32:56,153 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 13:32:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-18 13:32:56,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-18 13:32:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-18 13:32:56,153 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-18 13:32:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-18 13:32:56,153 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-18 13:32:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_multicast [2021-12-18 13:32:56,154 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_multicast [2021-12-18 13:32:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 13:32:56,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 13:32:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 13:32:56,154 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 13:32:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure nv_msi_workaround [2021-12-18 13:32:56,154 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_msi_workaround [2021-12-18 13:32:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_empty_tx_slots [2021-12-18 13:32:56,154 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_empty_tx_slots [2021-12-18 13:32:56,155 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-18 13:32:56,155 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-18 13:32:56,155 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 13:32:56,155 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 13:32:56,155 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-18 13:32:56,155 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-18 13:32:56,155 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 13:32:56,155 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 13:32:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure nv_close [2021-12-18 13:32:56,156 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_close [2021-12-18 13:32:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure dma_high [2021-12-18 13:32:56,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_high [2021-12-18 13:32:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_hw_interrupts [2021-12-18 13:32:56,156 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_hw_interrupts [2021-12-18 13:32:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-18 13:32:56,156 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-18 13:32:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 13:32:56,157 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 13:32:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rxtx [2021-12-18 13:32:56,157 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rxtx [2021-12-18 13:32:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure nv_vlan_mode [2021-12-18 13:32:56,157 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_vlan_mode [2021-12-18 13:32:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 13:32:56,157 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 13:32:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 13:32:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 13:32:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8201 [2021-12-18 13:32:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8201 [2021-12-18 13:32:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 13:32:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 13:32:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure reg_delay [2021-12-18 13:32:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_delay [2021-12-18 13:32:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 13:32:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 13:32:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 13:32:56,159 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 13:32:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 13:32:56,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 13:32:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 13:32:56,159 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 13:32:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-18 13:32:56,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-18 13:32:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2021-12-18 13:32:56,160 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2021-12-18 13:32:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 13:32:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-18 13:32:56,160 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-18 13:32:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure pci_push [2021-12-18 13:32:56,160 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_push [2021-12-18 13:32:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-12-18 13:32:56,160 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-12-18 13:32:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-18 13:32:56,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-18 13:32:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2021-12-18 13:32:56,161 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2021-12-18 13:32:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 13:32:56,161 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 13:32:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 13:32:56,161 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 13:32:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 13:32:56,161 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 13:32:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-18 13:32:56,162 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-18 13:32:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx_optimized [2021-12-18 13:32:56,162 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx_optimized [2021-12-18 13:32:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 13:32:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-12-18 13:32:56,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-12-18 13:32:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 13:32:56,162 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 13:32:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 13:32:56,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 13:32:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep [2021-12-18 13:32:56,163 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep [2021-12-18 13:32:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 13:32:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 13:32:56,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 13:32:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 13:32:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 13:32:56,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 13:32:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 13:32:56,164 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 13:32:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_forcedeth_pci_driver_exit_20_2 [2021-12-18 13:32:56,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_forcedeth_pci_driver_exit_20_2 [2021-12-18 13:32:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 13:32:56,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 13:32:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 13:32:56,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 13:32:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 13:32:56,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 13:32:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_tx [2021-12-18 13:32:56,165 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_tx [2021-12-18 13:32:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_stats [2021-12-18 13:32:56,165 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_stats [2021-12-18 13:32:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 13:32:56,165 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 13:32:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 13:32:56,166 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 13:32:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_sent_queue [2021-12-18 13:32:56,166 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_sent_queue [2021-12-18 13:32:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure get_hwbase [2021-12-18 13:32:56,166 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hwbase [2021-12-18 13:32:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure setup_hw_rings [2021-12-18 13:32:56,166 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_hw_rings [2021-12-18 13:32:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_tx [2021-12-18 13:32:56,166 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_tx [2021-12-18 13:32:56,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 13:32:56,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-18 13:32:56,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-18 13:32:56,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 13:32:56,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 13:32:56,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-18 13:32:56,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-18 13:32:56,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-18 13:32:56,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-18 13:32:56,168 INFO L130 BoogieDeclarations]: Found specification of procedure nv_free_irq [2021-12-18 13:32:56,168 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_free_irq [2021-12-18 13:32:56,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-18 13:32:56,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-18 13:32:56,168 INFO L130 BoogieDeclarations]: Found specification of procedure nv_shutdown [2021-12-18 13:32:56,168 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_shutdown [2021-12-18 13:32:56,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 13:32:56,168 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-18 13:32:56,168 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-18 13:32:56,168 INFO L130 BoogieDeclarations]: Found specification of procedure nv_suspend [2021-12-18 13:32:56,169 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_suspend [2021-12-18 13:32:56,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 13:32:56,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 13:32:56,169 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 13:32:56,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 13:32:56,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 13:32:56,169 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 13:32:56,169 INFO L130 BoogieDeclarations]: Found specification of procedure nv_gear_backoff_reseed [2021-12-18 13:32:56,169 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_gear_backoff_reseed [2021-12-18 13:32:56,170 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 13:32:56,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 13:32:56,170 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-18 13:32:56,170 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-18 13:32:56,170 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-18 13:32:56,170 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-18 13:32:56,170 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-12-18 13:32:56,170 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-12-18 13:32:56,170 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 13:32:56,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 13:32:56,171 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx [2021-12-18 13:32:56,171 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx [2021-12-18 13:32:56,171 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-18 13:32:56,171 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-18 13:32:56,171 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_other [2021-12-18 13:32:56,171 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_other [2021-12-18 13:32:56,171 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-18 13:32:56,171 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-18 13:32:56,171 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_rx [2021-12-18 13:32:56,172 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_rx [2021-12-18 13:32:56,172 INFO L130 BoogieDeclarations]: Found specification of procedure nv_restore_mac_addr [2021-12-18 13:32:56,172 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_restore_mac_addr [2021-12-18 13:32:56,172 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-18 13:32:56,172 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-18 13:32:56,172 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 13:32:56,172 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 13:32:56,172 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-18 13:32:56,172 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-18 13:32:56,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 13:32:56,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 13:32:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_disable [2021-12-18 13:32:56,173 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_disable [2021-12-18 13:32:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-12-18 13:32:56,173 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-12-18 13:32:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-18 13:32:56,173 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-18 13:32:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_timeout [2021-12-18 13:32:56,173 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_timeout [2021-12-18 13:32:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure nv_rx_process_optimized [2021-12-18 13:32:56,174 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_rx_process_optimized [2021-12-18 13:32:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-18 13:32:56,174 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-18 13:32:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 13:32:56,174 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 13:32:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_ring [2021-12-18 13:32:56,174 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_ring [2021-12-18 13:32:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-12-18 13:32:56,174 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-12-18 13:32:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure nv_legacybackoff_reseed [2021-12-18 13:32:56,175 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_legacybackoff_reseed [2021-12-18 13:32:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 13:32:56,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 13:32:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-18 13:32:56,175 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-18 13:32:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure nv_poll_controller [2021-12-18 13:32:56,175 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_poll_controller [2021-12-18 13:32:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-18 13:32:56,176 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-18 13:32:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done_optimized [2021-12-18 13:32:56,176 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done_optimized [2021-12-18 13:32:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 13:32:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 13:32:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 13:32:56,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 13:32:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 13:32:56,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 13:32:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_sset_count [2021-12-18 13:32:56,177 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_sset_count [2021-12-18 13:32:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-18 13:32:56,177 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-18 13:32:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 13:32:56,177 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 13:32:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_gate [2021-12-18 13:32:56,177 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_gate [2021-12-18 13:32:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure nv_remove [2021-12-18 13:32:56,177 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_remove [2021-12-18 13:32:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-18 13:32:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_enable [2021-12-18 13:32:56,178 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_enable [2021-12-18 13:32:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-12-18 13:32:56,178 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-12-18 13:32:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-18 13:32:56,178 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-18 13:32:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 13:32:56,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 13:32:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-12-18 13:32:56,179 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-12-18 13:32:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-12-18 13:32:56,179 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-12-18 13:32:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure free_rings [2021-12-18 13:32:56,179 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rings [2021-12-18 13:32:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 13:32:56,179 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 13:32:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_reset [2021-12-18 13:32:56,179 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_reset [2021-12-18 13:32:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 13:32:56,180 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 13:32:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-18 13:32:56,180 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-18 13:32:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure nv_do_nic_poll [2021-12-18 13:32:56,180 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_do_nic_poll [2021-12-18 13:32:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-12-18 13:32:56,180 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-12-18 13:32:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-18 13:32:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-18 13:32:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-18 13:32:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-18 13:32:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-18 13:32:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-18 13:32:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure nv_resume [2021-12-18 13:32:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_resume [2021-12-18 13:32:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-18 13:32:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-18 13:32:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-18 13:32:56,182 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-18 13:32:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-12-18 13:32:56,182 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-12-18 13:32:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 13:32:56,182 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 13:32:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-18 13:32:56,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-18 13:32:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-18 13:32:56,182 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-18 13:32:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 13:32:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rw [2021-12-18 13:32:56,183 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rw [2021-12-18 13:32:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure set_msix_vector_map [2021-12-18 13:32:56,183 INFO L138 BoogieDeclarations]: Found implementation of procedure set_msix_vector_map [2021-12-18 13:32:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 13:32:56,183 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 13:32:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 13:32:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_loopback [2021-12-18 13:32:56,183 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_loopback [2021-12-18 13:32:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure nv_mac_reset [2021-12-18 13:32:56,184 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_mac_reset [2021-12-18 13:32:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 13:32:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_completed_queue [2021-12-18 13:32:56,184 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_completed_queue [2021-12-18 13:32:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 13:32:56,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 13:32:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-18 13:32:56,184 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-18 13:32:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-18 13:32:56,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-18 13:32:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done [2021-12-18 13:32:56,185 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done [2021-12-18 13:32:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-18 13:32:56,185 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-18 13:32:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-18 13:32:56,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-18 13:32:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-18 13:32:56,185 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-18 13:32:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 13:32:56,185 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 13:32:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-18 13:32:56,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-18 13:32:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 13:32:56,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 13:32:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2021-12-18 13:32:56,186 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2021-12-18 13:32:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-18 13:32:56,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-18 13:32:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure nv_linkchange [2021-12-18 13:32:56,187 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_linkchange [2021-12-18 13:32:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_hw_interrupts [2021-12-18 13:32:56,187 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_hw_interrupts [2021-12-18 13:32:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2021-12-18 13:32:56,187 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2021-12-18 13:32:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure phy_init [2021-12-18 13:32:56,187 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_init [2021-12-18 13:32:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure dma_low [2021-12-18 13:32:56,187 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_low [2021-12-18 13:32:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure nv_copy_mac_to_hw [2021-12-18 13:32:56,188 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_copy_mac_to_hw [2021-12-18 13:32:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-18 13:32:56,188 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-18 13:32:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 13:32:56,188 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 13:32:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-18 13:32:56,188 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-18 13:32:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-18 13:32:56,188 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-18 13:32:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_tx [2021-12-18 13:32:56,189 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_tx [2021-12-18 13:32:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock_bh [2021-12-18 13:32:56,189 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock_bh [2021-12-18 13:32:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 13:32:56,189 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 13:32:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock_bh [2021-12-18 13:32:56,189 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock_bh [2021-12-18 13:32:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure nv_force_linkspeed [2021-12-18 13:32:56,189 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_force_linkspeed [2021-12-18 13:32:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 13:32:56,190 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 13:32:56,190 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_pause [2021-12-18 13:32:56,190 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_pause [2021-12-18 13:32:56,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 13:32:56,190 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_tx [2021-12-18 13:32:56,190 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_tx [2021-12-18 13:32:56,190 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-12-18 13:32:56,190 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-12-18 13:32:56,190 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-18 13:32:56,190 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-18 13:32:56,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 13:32:56,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 13:32:56,191 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_irq [2021-12-18 13:32:56,191 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_irq [2021-12-18 13:32:56,191 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 13:32:56,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 13:32:56,191 INFO L130 BoogieDeclarations]: Found specification of procedure nv_unmap_txskb [2021-12-18 13:32:56,191 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_unmap_txskb [2021-12-18 13:32:56,191 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-12-18 13:32:56,192 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-12-18 13:32:56,192 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rx [2021-12-18 13:32:56,192 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rx [2021-12-18 13:32:56,192 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-12-18 13:32:56,192 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-12-18 13:32:56,192 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 13:32:56,192 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 13:32:56,192 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-18 13:32:56,193 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-18 13:32:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure nv_getlen [2021-12-18 13:32:56,193 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_getlen [2021-12-18 13:32:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure nv_link_irq [2021-12-18 13:32:56,193 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_link_irq [2021-12-18 13:32:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure nv_optimized [2021-12-18 13:32:56,193 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_optimized [2021-12-18 13:32:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-12-18 13:32:56,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-12-18 13:32:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rxtx [2021-12-18 13:32:56,194 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rxtx [2021-12-18 13:32:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_linkspeed [2021-12-18 13:32:56,194 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_linkspeed [2021-12-18 13:32:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure using_multi_irqs [2021-12-18 13:32:56,194 INFO L138 BoogieDeclarations]: Found implementation of procedure using_multi_irqs [2021-12-18 13:32:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock [2021-12-18 13:32:56,194 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock [2021-12-18 13:32:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 13:32:56,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 13:32:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 13:32:56,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 13:32:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-18 13:32:56,195 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-18 13:32:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-18 13:32:56,195 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-18 13:32:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_lockdep [2021-12-18 13:32:56,195 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_lockdep [2021-12-18 13:32:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_irq [2021-12-18 13:32:56,195 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_irq [2021-12-18 13:32:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure nv_open [2021-12-18 13:32:56,196 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_open [2021-12-18 13:32:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-18 13:32:56,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-18 13:32:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rx [2021-12-18 13:32:56,196 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rx [2021-12-18 13:32:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 13:32:56,196 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 13:32:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure phy_reset [2021-12-18 13:32:56,196 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_reset [2021-12-18 13:32:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-18 13:32:56,197 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-18 13:32:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-18 13:32:56,197 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-18 13:32:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 13:32:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure get_nvpriv [2021-12-18 13:32:56,197 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nvpriv [2021-12-18 13:32:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure nv_request_irq [2021-12-18 13:32:56,197 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_request_irq [2021-12-18 13:32:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 13:32:56,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 13:32:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_regs_len [2021-12-18 13:32:56,198 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_regs_len [2021-12-18 13:32:57,322 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 13:32:57,326 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 13:32:57,892 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 13:44:47,319 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 13:44:47,419 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 13:44:47,445 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 13:44:47,446 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-18 13:44:47,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:44:47 BoogieIcfgContainer [2021-12-18 13:44:47,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 13:44:47,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 13:44:47,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 13:44:47,455 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 13:44:47,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 01:32:50" (1/3) ... [2021-12-18 13:44:47,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273fa400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:44:47, skipping insertion in model container [2021-12-18 13:44:47,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:32:55" (2/3) ... [2021-12-18 13:44:47,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273fa400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:44:47, skipping insertion in model container [2021-12-18 13:44:47,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:44:47" (3/3) ... [2021-12-18 13:44:47,457 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-12-18 13:44:47,460 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 13:44:47,460 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 13:44:47,503 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 13:44:47,509 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 [2021-12-18 13:44:47,509 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 13:44:47,585 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) [2021-12-18 13:44:47,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-12-18 13:44:47,608 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:44:47,609 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] [2021-12-18 13:44:47,610 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:44:47,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:44:47,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1195511006, now seen corresponding path program 1 times [2021-12-18 13:44:47,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:44:47,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790434017] [2021-12-18 13:44:47,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:44:47,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:44:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:44:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:44:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:44:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:44:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:44:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:44:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:44:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:44:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:44:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:44:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:44:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:44:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:44:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:44:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:44:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:44:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:44:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:44:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:44:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:44:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:44:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:44:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:44:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:44:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:44:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:44:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:44:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:44:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:44:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:44:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:44:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:44:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:44:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:44:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:44:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:44:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:44:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:44:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:44:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:44:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:44:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:44:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:44:49,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:44:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:44:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:44:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:44:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:44:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 13:44:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-18 13:44:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:44:49,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2021-12-18 13:44:49,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:44:49,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790434017] [2021-12-18 13:44:49,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790434017] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:44:49,799 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:44:49,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:44:49,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852933400] [2021-12-18 13:44:49,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:44:49,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:44:49,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:44:49,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:44:49,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:44:49,843 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) [2021-12-18 13:44:52,005 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 [] [2021-12-18 13:44:54,375 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:45:06,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:45:28,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:45:28,224 INFO L93 Difference]: Finished difference Result 16137 states and 24159 transitions. [2021-12-18 13:45:28,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:45:28,226 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 [2021-12-18 13:45:28,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:45:28,322 INFO L225 Difference]: With dead ends: 16137 [2021-12-18 13:45:28,322 INFO L226 Difference]: Without dead ends: 11003 [2021-12-18 13:45:28,365 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 [2021-12-18 13:45:28,369 INFO L933 BasicCegarLoop]: 8118 mSDtfsCounter, 9730 mSDsluCounter, 8119 mSDsCounter, 0 mSdLazyCounter, 5757 mSolverCounterSat, 5513 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11374 SdHoareTripleChecker+Valid, 16237 SdHoareTripleChecker+Invalid, 11273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5513 IncrementalHoareTripleChecker+Valid, 5757 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.0s IncrementalHoareTripleChecker+Time [2021-12-18 13:45:28,369 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11374 Valid, 16237 Invalid, 11273 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5513 Valid, 5757 Invalid, 3 Unknown, 0 Unchecked, 37.0s Time] [2021-12-18 13:45:28,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11003 states. [2021-12-18 13:45:28,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11003 to 10129. [2021-12-18 13:45:28,887 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) [2021-12-18 13:45:28,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10129 states to 10129 states and 14836 transitions. [2021-12-18 13:45:28,959 INFO L78 Accepts]: Start accepts. Automaton has 10129 states and 14836 transitions. Word has length 291 [2021-12-18 13:45:28,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:45:28,962 INFO L470 AbstractCegarLoop]: Abstraction has 10129 states and 14836 transitions. [2021-12-18 13:45:28,963 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) [2021-12-18 13:45:28,963 INFO L276 IsEmpty]: Start isEmpty. Operand 10129 states and 14836 transitions. [2021-12-18 13:45:28,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-12-18 13:45:28,978 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:45:28,978 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] [2021-12-18 13:45:28,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 13:45:28,979 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:45:28,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:45:28,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1281557811, now seen corresponding path program 1 times [2021-12-18 13:45:28,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:45:28,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807312665] [2021-12-18 13:45:28,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:45:28,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:45:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:29,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:45:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:29,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:45:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:29,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:45:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:29,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:45:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:29,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:45:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:29,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:45:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:45:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:45:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:45:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:45:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:45:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:45:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:45:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:45:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:45:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:45:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:45:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:45:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:45:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:45:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:45:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:45:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:45:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:45:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:45:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:45:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:45:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:45:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:45:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:45:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:45:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:45:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:45:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:45:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:45:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:45:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:45:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:45:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:45:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:45:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:45:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:45:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:45:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:45:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:45:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:45:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:45:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:45:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 13:45:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 13:45:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-18 13:45:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 13:45:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 13:45:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:45:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 13:45:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 13:45:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-18 13:45:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:45:30,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2824 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2814 trivial. 0 not checked. [2021-12-18 13:45:30,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:45:30,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807312665] [2021-12-18 13:45:30,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807312665] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:45:30,359 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:45:30,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:45:30,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694300597] [2021-12-18 13:45:30,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:45:30,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:45:30,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:45:30,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:45:30,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:45:30,362 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) [2021-12-18 13:45:32,474 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:45:34,814 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:46:12,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:46:12,457 INFO L93 Difference]: Finished difference Result 21527 states and 31775 transitions. [2021-12-18 13:46:12,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:46:12,457 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 [2021-12-18 13:46:12,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:46:12,587 INFO L225 Difference]: With dead ends: 21527 [2021-12-18 13:46:12,588 INFO L226 Difference]: Without dead ends: 16447 [2021-12-18 13:46:12,627 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 [2021-12-18 13:46:12,629 INFO L933 BasicCegarLoop]: 13919 mSDtfsCounter, 7644 mSDsluCounter, 10579 mSDsCounter, 0 mSdLazyCounter, 5807 mSolverCounterSat, 3800 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9282 SdHoareTripleChecker+Valid, 24498 SdHoareTripleChecker+Invalid, 9609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3800 IncrementalHoareTripleChecker+Valid, 5807 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.9s IncrementalHoareTripleChecker+Time [2021-12-18 13:46:12,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9282 Valid, 24498 Invalid, 9609 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3800 Valid, 5807 Invalid, 2 Unknown, 0 Unchecked, 40.9s Time] [2021-12-18 13:46:12,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16447 states. [2021-12-18 13:46:13,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16447 to 15136. [2021-12-18 13:46:13,397 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) [2021-12-18 13:46:13,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15136 states to 15136 states and 22172 transitions. [2021-12-18 13:46:13,467 INFO L78 Accepts]: Start accepts. Automaton has 15136 states and 22172 transitions. Word has length 347 [2021-12-18 13:46:13,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:46:13,469 INFO L470 AbstractCegarLoop]: Abstraction has 15136 states and 22172 transitions. [2021-12-18 13:46:13,469 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) [2021-12-18 13:46:13,470 INFO L276 IsEmpty]: Start isEmpty. Operand 15136 states and 22172 transitions. [2021-12-18 13:46:13,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-12-18 13:46:13,480 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:46:13,481 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] [2021-12-18 13:46:13,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 13:46:13,481 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:46:13,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:46:13,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1147544305, now seen corresponding path program 1 times [2021-12-18 13:46:13,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:46:13,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93986001] [2021-12-18 13:46:13,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:46:13,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:46:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:46:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:46:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:46:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:46:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:46:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:46:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:46:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:46:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:46:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:46:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:46:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:46:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:46:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:46:14,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:46:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:46:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:46:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:46:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:46:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:46:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:46:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:46:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:46:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:46:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:46:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:46:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:46:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:46:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:46:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:46:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:46:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:46:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:46:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:46:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:46:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:46:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:46:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:46:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:46:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:46:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:46:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:46:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:46:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:46:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:46:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:46:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:46:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:46:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 13:46:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 13:46:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-18 13:46:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:14,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 13:46:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:15,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 13:46:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:15,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:46:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:15,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 13:46:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:15,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 13:46:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:15,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-18 13:46:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:46:15,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2824 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2824 trivial. 0 not checked. [2021-12-18 13:46:15,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:46:15,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93986001] [2021-12-18 13:46:15,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93986001] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:46:15,036 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:46:15,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 13:46:15,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630981302] [2021-12-18 13:46:15,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:46:15,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 13:46:15,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:46:15,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 13:46:15,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:46:15,037 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) [2021-12-18 13:46:17,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:46:40,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:46:40,732 INFO L93 Difference]: Finished difference Result 16447 states and 24338 transitions. [2021-12-18 13:46:40,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:46:40,733 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 [2021-12-18 13:46:40,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:46:40,737 INFO L225 Difference]: With dead ends: 16447 [2021-12-18 13:46:40,737 INFO L226 Difference]: Without dead ends: 0 [2021-12-18 13:46:40,794 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 [2021-12-18 13:46:40,795 INFO L933 BasicCegarLoop]: 7002 mSDtfsCounter, 7732 mSDsluCounter, 8066 mSDsCounter, 0 mSdLazyCounter, 4044 mSolverCounterSat, 3802 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8699 SdHoareTripleChecker+Valid, 15068 SdHoareTripleChecker+Invalid, 7847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3802 IncrementalHoareTripleChecker+Valid, 4044 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2021-12-18 13:46:40,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8699 Valid, 15068 Invalid, 7847 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3802 Valid, 4044 Invalid, 1 Unknown, 0 Unchecked, 24.5s Time] [2021-12-18 13:46:40,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-18 13:46:40,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-18 13:46:40,796 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) [2021-12-18 13:46:40,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-18 13:46:40,799 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 347 [2021-12-18 13:46:40,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:46:40,799 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-18 13:46:40,800 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) [2021-12-18 13:46:40,800 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-18 13:46:40,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-18 13:46:40,802 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-18 13:46:40,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 13:46:40,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. Killed by 15