./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.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 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:10:40,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:10:40,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:10:40,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:10:40,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:10:40,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:10:40,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:10:40,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:10:40,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:10:40,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:10:40,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:10:40,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:10:40,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:10:40,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:10:40,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:10:40,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:10:40,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:10:40,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:10:40,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:10:40,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:10:40,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:10:40,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:10:40,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:10:40,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:10:40,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:10:40,149 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:10:40,149 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:10:40,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:10:40,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:10:40,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:10:40,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:10:40,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:10:40,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:10:40,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:10:40,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:10:40,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:10:40,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:10:40,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:10:40,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:10:40,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:10:40,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:10:40,163 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:10:40,184 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:10:40,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:10:40,231 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:10:40,231 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:10:40,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:10:40,231 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:10:40,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:10:40,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:10:40,232 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:10:40,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:10:40,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:10:40,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:10:40,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:10:40,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:10:40,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:10:40,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:10:40,233 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:10:40,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:10:40,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:10:40,233 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:10:40,233 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:10:40,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:10:40,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:10:40,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:10:40,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:10:40,240 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:10:40,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:10:40,240 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:10:40,240 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:10:40,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:10:40,240 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:10:40,241 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c [2021-12-22 15:10:40,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:10:40,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:10:40,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:10:40,604 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:10:40,605 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:10:40,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2021-12-22 15:10:40,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fee84e173/3b641095bcdb400487e69d9eb36d6604/FLAG61c70e799 [2021-12-22 15:10:41,497 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:10:41,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2021-12-22 15:10:41,597 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fee84e173/3b641095bcdb400487e69d9eb36d6604/FLAG61c70e799 [2021-12-22 15:10:41,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fee84e173/3b641095bcdb400487e69d9eb36d6604 [2021-12-22 15:10:41,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:10:41,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:10:41,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:10:41,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:10:41,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:10:41,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:10:41" (1/1) ... [2021-12-22 15:10:41,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6491533e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:41, skipping insertion in model container [2021-12-22 15:10:41,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:10:41" (1/1) ... [2021-12-22 15:10:41,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:10:42,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:10:46,293 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i[418024,418037] [2021-12-22 15:10:46,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:10:46,446 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:10:46,889 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i[418024,418037] [2021-12-22 15:10:46,900 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:10:47,079 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:10:47,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:47 WrapperNode [2021-12-22 15:10:47,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:10:47,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:10:47,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:10:47,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:10:47,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:47" (1/1) ... [2021-12-22 15:10:47,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:47" (1/1) ... [2021-12-22 15:10:47,549 INFO L137 Inliner]: procedures = 464, calls = 3161, calls flagged for inlining = 208, calls inlined = 193, statements flattened = 7498 [2021-12-22 15:10:47,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:10:47,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:10:47,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:10:47,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:10:47,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:47" (1/1) ... [2021-12-22 15:10:47,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:47" (1/1) ... [2021-12-22 15:10:47,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:47" (1/1) ... [2021-12-22 15:10:47,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:47" (1/1) ... [2021-12-22 15:10:47,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:47" (1/1) ... [2021-12-22 15:10:47,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:47" (1/1) ... [2021-12-22 15:10:47,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:47" (1/1) ... [2021-12-22 15:10:47,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:10:47,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:10:47,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:10:47,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:10:47,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:47" (1/1) ... [2021-12-22 15:10:47,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:10:47,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:10:47,908 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) [2021-12-22 15:10:47,943 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 [2021-12-22 15:10:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-22 15:10:47,963 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-22 15:10:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 15:10:47,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 15:10:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2021-12-22 15:10:47,964 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2021-12-22 15:10:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:10:47,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:10:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2021-12-22 15:10:47,964 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2021-12-22 15:10:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-22 15:10:47,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-22 15:10:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:10:47,965 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:10:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-22 15:10:47,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-22 15:10:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:10:47,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:10:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2021-12-22 15:10:47,965 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2021-12-22 15:10:47,966 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-22 15:10:47,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-22 15:10:47,966 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_error_detected [2021-12-22 15:10:47,966 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_error_detected [2021-12-22 15:10:47,966 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_change_mtu [2021-12-22 15:10:47,966 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_change_mtu [2021-12-22 15:10:47,966 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-22 15:10:47,966 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-22 15:10:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-22 15:10:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-22 15:10:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:10:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:10:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:10:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:10:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 15:10:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 15:10:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2021-12-22 15:10:47,968 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2021-12-22 15:10:47,968 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2021-12-22 15:10:47,968 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2021-12-22 15:10:47,968 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 15:10:47,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 15:10:47,968 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2021-12-22 15:10:47,968 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2021-12-22 15:10:47,968 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 15:10:47,969 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 15:10:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-22 15:10:47,969 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-22 15:10:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:10:47,969 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:10:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 15:10:47,969 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 15:10:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2021-12-22 15:10:47,970 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2021-12-22 15:10:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-22 15:10:47,970 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-22 15:10:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-22 15:10:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-22 15:10:47,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:10:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-12-22 15:10:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-12-22 15:10:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2021-12-22 15:10:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2021-12-22 15:10:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-22 15:10:47,973 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-22 15:10:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2021-12-22 15:10:47,973 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2021-12-22 15:10:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-22 15:10:47,973 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-22 15:10:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:10:47,973 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:10:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 15:10:47,973 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 15:10:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:10:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2021-12-22 15:10:47,974 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2021-12-22 15:10:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:10:47,974 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:10:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 15:10:47,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 15:10:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2021-12-22 15:10:47,975 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2021-12-22 15:10:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:10:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_task [2021-12-22 15:10:47,975 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_task [2021-12-22 15:10:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:10:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:10:47,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:10:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-22 15:10:47,976 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-22 15:10:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:10:47,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:10:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-22 15:10:47,977 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-22 15:10:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-12-22 15:10:47,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-12-22 15:10:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 15:10:47,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 15:10:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2021-12-22 15:10:47,978 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2021-12-22 15:10:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-22 15:10:47,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-22 15:10:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 15:10:47,979 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 15:10:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2021-12-22 15:10:47,979 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2021-12-22 15:10:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 15:10:47,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 15:10:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:10:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2021-12-22 15:10:47,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2021-12-22 15:10:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:10:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-22 15:10:47,980 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-22 15:10:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_fix_features [2021-12-22 15:10:47,980 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_fix_features [2021-12-22 15:10:47,981 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:10:47,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:10:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:10:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 15:10:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-22 15:10:47,983 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-22 15:10:47,984 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2021-12-22 15:10:47,984 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2021-12-22 15:10:47,985 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-22 15:10:47,985 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-22 15:10:47,985 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2021-12-22 15:10:47,986 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2021-12-22 15:10:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-22 15:10:47,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-22 15:10:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-22 15:10:47,990 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-22 15:10:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:10:47,991 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:10:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2021-12-22 15:10:47,991 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2021-12-22 15:10:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_stats [2021-12-22 15:10:47,991 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_stats [2021-12-22 15:10:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-22 15:10:47,991 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-22 15:10:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 15:10:47,991 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 15:10:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:10:47,992 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:10:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2021-12-22 15:10:47,992 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2021-12-22 15:10:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-22 15:10:47,992 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-22 15:10:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-22 15:10:47,992 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-22 15:10:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:10:47,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:10:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-22 15:10:47,993 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-22 15:10:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 15:10:47,993 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 15:10:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:10:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:10:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:10:47,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:10:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 15:10:47,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 15:10:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-22 15:10:47,994 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-22 15:10:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-22 15:10:47,994 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-22 15:10:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2021-12-22 15:10:47,994 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2021-12-22 15:10:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2021-12-22 15:10:47,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2021-12-22 15:10:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 15:10:47,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 15:10:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-22 15:10:47,995 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-22 15:10:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-22 15:10:47,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-22 15:10:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-22 15:10:47,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-22 15:10:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_mac_addr [2021-12-22 15:10:47,996 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_mac_addr [2021-12-22 15:10:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-22 15:10:47,996 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-22 15:10:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:10:47,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:10:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2021-12-22 15:10:47,997 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2021-12-22 15:10:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 15:10:47,997 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 15:10:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:10:47,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:10:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-22 15:10:47,997 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-22 15:10:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2021-12-22 15:10:47,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2021-12-22 15:10:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:10:47,998 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:10:47,998 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:10:47,998 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-22 15:10:47,998 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-22 15:10:47,998 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 15:10:47,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 15:10:47,998 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2021-12-22 15:10:47,998 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2021-12-22 15:10:47,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:10:47,998 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2021-12-22 15:10:47,998 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2021-12-22 15:10:47,999 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2021-12-22 15:10:47,999 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2021-12-22 15:10:47,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-22 15:10:47,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-22 15:10:47,999 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-22 15:10:47,999 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-22 15:10:47,999 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2021-12-22 15:10:47,999 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2021-12-22 15:10:47,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:10:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2021-12-22 15:10:48,000 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2021-12-22 15:10:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2021-12-22 15:10:48,000 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2021-12-22 15:10:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 15:10:48,000 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 15:10:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-22 15:10:48,000 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-22 15:10:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-22 15:10:48,001 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-22 15:10:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-22 15:10:48,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-22 15:10:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:10:48,001 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:10:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-22 15:10:48,001 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-22 15:10:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 15:10:48,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 15:10:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_ioctl [2021-12-22 15:10:48,002 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_ioctl [2021-12-22 15:10:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_link_chg_task [2021-12-22 15:10:48,002 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_link_chg_task [2021-12-22 15:10:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2021-12-22 15:10:48,002 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2021-12-22 15:10:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2021-12-22 15:10:48,002 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2021-12-22 15:10:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2021-12-22 15:10:48,002 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2021-12-22 15:10:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:10:48,003 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:10:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-22 15:10:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-22 15:10:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:10:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:10:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2021-12-22 15:10:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2021-12-22 15:10:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-22 15:10:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-22 15:10:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2021-12-22 15:10:48,007 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2021-12-22 15:10:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:10:48,008 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:10:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:10:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_slot_reset [2021-12-22 15:10:48,008 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_slot_reset [2021-12-22 15:10:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2021-12-22 15:10:48,008 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2021-12-22 15:10:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:10:48,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:10:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2021-12-22 15:10:48,008 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2021-12-22 15:10:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2021-12-22 15:10:48,009 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2021-12-22 15:10:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 15:10:48,009 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 15:10:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 15:10:48,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 15:10:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-22 15:10:48,009 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-22 15:10:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_features [2021-12-22 15:10:48,009 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_features [2021-12-22 15:10:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-22 15:10:48,010 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-22 15:10:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2021-12-22 15:10:48,010 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2021-12-22 15:10:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-22 15:10:48,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-22 15:10:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-12-22 15:10:48,010 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-12-22 15:10:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_6 [2021-12-22 15:10:48,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_6 [2021-12-22 15:10:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-22 15:10:48,085 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-22 15:10:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-22 15:10:48,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-22 15:10:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2021-12-22 15:10:48,085 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2021-12-22 15:10:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-22 15:10:48,085 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-22 15:10:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-22 15:10:48,085 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-22 15:10:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2021-12-22 15:10:48,085 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2021-12-22 15:10:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-22 15:10:48,085 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-22 15:10:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 15:10:48,086 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 15:10:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 15:10:48,086 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 15:10:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:10:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-22 15:10:48,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-22 15:10:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2021-12-22 15:10:48,086 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2021-12-22 15:10:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2021-12-22 15:10:48,086 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2021-12-22 15:10:49,302 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:10:49,315 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:10:49,592 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:10:57,850 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:10:57,877 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:10:57,877 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:10:57,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:10:57 BoogieIcfgContainer [2021-12-22 15:10:57,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:10:57,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:10:57,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:10:57,886 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:10:57,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:10:41" (1/3) ... [2021-12-22 15:10:57,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be31a77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:10:57, skipping insertion in model container [2021-12-22 15:10:57,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:47" (2/3) ... [2021-12-22 15:10:57,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be31a77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:10:57, skipping insertion in model container [2021-12-22 15:10:57,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:10:57" (3/3) ... [2021-12-22 15:10:57,888 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2021-12-22 15:10:57,892 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:10:57,892 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:10:57,943 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:10:57,948 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 [2021-12-22 15:10:57,948 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:10:57,991 INFO L276 IsEmpty]: Start isEmpty. Operand has 2730 states, 1872 states have (on average 1.3178418803418803) internal successors, (2467), 1910 states have internal predecessors, (2467), 710 states have call successors, (710), 147 states have call predecessors, (710), 146 states have return successors, (699), 695 states have call predecessors, (699), 699 states have call successors, (699) [2021-12-22 15:10:58,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-12-22 15:10:58,011 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:10:58,011 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:10:58,012 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:10:58,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:10:58,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1343496821, now seen corresponding path program 1 times [2021-12-22 15:10:58,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:10:58,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897071213] [2021-12-22 15:10:58,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:10:58,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:10:58,430 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-22 15:10:58,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1298686080] [2021-12-22 15:10:58,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:10:58,431 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 15:10:58,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:10:58,434 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 15:10:58,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-22 15:10:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:10:59,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 3298 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 15:10:59,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 15:10:59,970 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2021-12-22 15:10:59,970 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 15:10:59,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:10:59,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897071213] [2021-12-22 15:10:59,971 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-22 15:10:59,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298686080] [2021-12-22 15:10:59,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298686080] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:10:59,972 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:10:59,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 15:10:59,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149705744] [2021-12-22 15:10:59,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:10:59,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 15:10:59,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:11:00,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 15:11:00,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 15:11:00,007 INFO L87 Difference]: Start difference. First operand has 2730 states, 1872 states have (on average 1.3178418803418803) internal successors, (2467), 1910 states have internal predecessors, (2467), 710 states have call successors, (710), 147 states have call predecessors, (710), 146 states have return successors, (699), 695 states have call predecessors, (699), 699 states have call successors, (699) Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-22 15:11:00,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:11:00,440 INFO L93 Difference]: Finished difference Result 7516 states and 10737 transitions. [2021-12-22 15:11:00,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 15:11:00,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 175 [2021-12-22 15:11:00,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:11:00,492 INFO L225 Difference]: With dead ends: 7516 [2021-12-22 15:11:00,493 INFO L226 Difference]: Without dead ends: 4738 [2021-12-22 15:11:00,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 15:11:00,516 INFO L933 BasicCegarLoop]: 4332 mSDtfsCounter, 2950 mSDsluCounter, 3696 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2950 SdHoareTripleChecker+Valid, 8028 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-22 15:11:00,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2950 Valid, 8028 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-22 15:11:00,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4738 states. [2021-12-22 15:11:00,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4738 to 4688. [2021-12-22 15:11:00,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4688 states, 3247 states have (on average 1.312596242685556) internal successors, (4262), 3296 states have internal predecessors, (4262), 1185 states have call successors, (1185), 257 states have call predecessors, (1185), 255 states have return successors, (1184), 1169 states have call predecessors, (1184), 1184 states have call successors, (1184) [2021-12-22 15:11:00,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4688 states to 4688 states and 6631 transitions. [2021-12-22 15:11:00,747 INFO L78 Accepts]: Start accepts. Automaton has 4688 states and 6631 transitions. Word has length 175 [2021-12-22 15:11:00,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:11:00,748 INFO L470 AbstractCegarLoop]: Abstraction has 4688 states and 6631 transitions. [2021-12-22 15:11:00,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-22 15:11:00,749 INFO L276 IsEmpty]: Start isEmpty. Operand 4688 states and 6631 transitions. [2021-12-22 15:11:00,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-12-22 15:11:00,757 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:11:00,757 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:11:00,782 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-22 15:11:00,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-12-22 15:11:00,972 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:11:00,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:11:00,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1325061642, now seen corresponding path program 1 times [2021-12-22 15:11:00,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:11:00,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890694470] [2021-12-22 15:11:00,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:11:00,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:11:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:11:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:11:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:11:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:11:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 15:11:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 15:11:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-22 15:11:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-22 15:11:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-22 15:11:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-22 15:11:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 15:11:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-22 15:11:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:11:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-22 15:11:01,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-22 15:11:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-22 15:11:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:01,886 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2021-12-22 15:11:01,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:11:01,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890694470] [2021-12-22 15:11:01,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890694470] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:11:01,887 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:11:01,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:11:01,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956900438] [2021-12-22 15:11:01,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:11:01,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:11:01,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:11:01,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:11:01,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:11:01,890 INFO L87 Difference]: Start difference. First operand 4688 states and 6631 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-22 15:11:06,703 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 [] [2021-12-22 15:11:10,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:11:13,092 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:11:15,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-22 15:11:19,125 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-22 15:11:20,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:11:20,626 INFO L93 Difference]: Finished difference Result 14592 states and 20906 transitions. [2021-12-22 15:11:20,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:11:20,627 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 251 [2021-12-22 15:11:20,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:11:20,761 INFO L225 Difference]: With dead ends: 14592 [2021-12-22 15:11:20,762 INFO L226 Difference]: Without dead ends: 9935 [2021-12-22 15:11:20,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:11:20,829 INFO L933 BasicCegarLoop]: 4046 mSDtfsCounter, 8183 mSDsluCounter, 4655 mSDsCounter, 0 mSdLazyCounter, 3110 mSolverCounterSat, 5747 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8619 SdHoareTripleChecker+Valid, 8701 SdHoareTripleChecker+Invalid, 8861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5747 IncrementalHoareTripleChecker+Valid, 3110 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2021-12-22 15:11:20,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8619 Valid, 8701 Invalid, 8861 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5747 Valid, 3110 Invalid, 4 Unknown, 0 Unchecked, 17.9s Time] [2021-12-22 15:11:20,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9935 states. [2021-12-22 15:11:21,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9935 to 8699. [2021-12-22 15:11:21,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8699 states, 6033 states have (on average 1.3109564064312946) internal successors, (7909), 6127 states have internal predecessors, (7909), 2170 states have call successors, (2170), 499 states have call predecessors, (2170), 495 states have return successors, (2169), 2138 states have call predecessors, (2169), 2169 states have call successors, (2169) [2021-12-22 15:11:21,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8699 states to 8699 states and 12248 transitions. [2021-12-22 15:11:21,323 INFO L78 Accepts]: Start accepts. Automaton has 8699 states and 12248 transitions. Word has length 251 [2021-12-22 15:11:21,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:11:21,325 INFO L470 AbstractCegarLoop]: Abstraction has 8699 states and 12248 transitions. [2021-12-22 15:11:21,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-22 15:11:21,326 INFO L276 IsEmpty]: Start isEmpty. Operand 8699 states and 12248 transitions. [2021-12-22 15:11:21,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-12-22 15:11:21,341 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:11:21,341 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2021-12-22 15:11:21,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:11:21,341 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:11:21,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:11:21,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1856672465, now seen corresponding path program 1 times [2021-12-22 15:11:21,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:11:21,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984792311] [2021-12-22 15:11:21,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:11:21,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:11:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:11:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:11:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:11:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:11:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 15:11:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 15:11:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-22 15:11:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-22 15:11:21,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-22 15:11:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-22 15:11:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-22 15:11:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-22 15:11:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-22 15:11:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:21,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-22 15:11:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:22,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:22,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:22,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-22 15:11:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:22,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:22,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:22,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-22 15:11:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:22,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-22 15:11:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:22,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:22,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:22,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-22 15:11:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:22,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:22,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:22,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-22 15:11:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:22,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:22,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:22,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-22 15:11:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:22,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:22,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:22,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-22 15:11:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:22,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:11:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:22,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:11:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:22,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-22 15:11:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:11:22,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1418 trivial. 0 not checked. [2021-12-22 15:11:22,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:11:22,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984792311] [2021-12-22 15:11:22,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984792311] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:11:22,210 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:11:22,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 15:11:22,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002950580] [2021-12-22 15:11:22,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:11:22,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 15:11:22,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:11:22,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 15:11:22,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:11:22,213 INFO L87 Difference]: Start difference. First operand 8699 states and 12248 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-22 15:11:29,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:11:31,127 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:11:32,882 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:11:37,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:11:39,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-22 15:11:42,104 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers []