./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 ae007674 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-ae00767 [2021-12-28 04:28:45,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:28:45,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:28:45,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:28:45,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:28:45,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:28:45,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:28:45,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:28:45,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:28:45,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:28:45,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:28:45,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:28:45,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:28:45,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:28:45,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:28:45,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:28:45,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:28:45,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:28:45,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:28:45,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:28:45,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:28:45,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:28:45,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:28:45,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:28:45,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:28:45,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:28:45,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:28:45,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:28:45,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:28:45,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:28:45,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:28:45,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:28:45,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:28:45,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:28:45,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:28:45,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:28:45,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:28:45,458 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:28:45,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:28:45,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:28:45,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:28:45,462 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:28:45,487 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:28:45,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:28:45,489 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:28:45,489 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:28:45,490 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:28:45,490 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:28:45,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:28:45,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:28:45,491 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:28:45,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:28:45,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:28:45,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:28:45,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:28:45,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:28:45,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:28:45,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:28:45,493 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:28:45,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:28:45,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:28:45,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:28:45,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:28:45,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:28:45,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:28:45,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:28:45,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:28:45,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:28:45,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:28:45,507 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:28:45,507 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:28:45,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:28:45,508 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c [2021-12-28 04:28:45,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:28:45,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:28:45,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:28:45,787 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:28:45,788 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:28:45,789 INFO L432 ainManager$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 [2021-12-28 04:28:45,833 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/105ee4138/c47a94947426487cb87980eda77a8c72/FLAGb4376e35d [2021-12-28 04:28:46,527 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:28:46,528 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 [2021-12-28 04:28:46,568 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/105ee4138/c47a94947426487cb87980eda77a8c72/FLAGb4376e35d [2021-12-28 04:28:46,614 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/105ee4138/c47a94947426487cb87980eda77a8c72 [2021-12-28 04:28:46,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:28:46,618 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:28:46,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:28:46,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:28:46,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:28:46,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:28:46" (1/1) ... [2021-12-28 04:28:46,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4edb41ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:46, skipping insertion in model container [2021-12-28 04:28:46,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:28:46" (1/1) ... [2021-12-28 04:28:46,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:28:46,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:28:49,478 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] [2021-12-28 04:28:49,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:28:49,570 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:28:49,918 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] [2021-12-28 04:28:49,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:28:50,176 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:28:50,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:50 WrapperNode [2021-12-28 04:28:50,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:28:50,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:28:50,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:28:50,177 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:28:50,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:50" (1/1) ... [2021-12-28 04:28:50,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:50" (1/1) ... [2021-12-28 04:28:50,500 INFO L137 Inliner]: procedures = 464, calls = 3161, calls flagged for inlining = 208, calls inlined = 193, statements flattened = 7498 [2021-12-28 04:28:50,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:28:50,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:28:50,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:28:50,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:28:50,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:50" (1/1) ... [2021-12-28 04:28:50,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:50" (1/1) ... [2021-12-28 04:28:50,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:50" (1/1) ... [2021-12-28 04:28:50,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:50" (1/1) ... [2021-12-28 04:28:50,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:50" (1/1) ... [2021-12-28 04:28:50,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:50" (1/1) ... [2021-12-28 04:28:50,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:50" (1/1) ... [2021-12-28 04:28:50,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:28:50,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:28:50,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:28:50,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:28:50,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:50" (1/1) ... [2021-12-28 04:28:50,777 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:28:50,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:28:50,813 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) [2021-12-28 04:28:50,831 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 [2021-12-28 04:28:50,845 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-28 04:28:50,846 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-28 04:28:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 04:28:50,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 04:28:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2021-12-28 04:28:50,846 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2021-12-28 04:28:50,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:28:50,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:28:50,847 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2021-12-28 04:28:50,847 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2021-12-28 04:28:50,847 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-28 04:28:50,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-28 04:28:50,847 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 04:28:50,848 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 04:28:50,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-28 04:28:50,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-28 04:28:50,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:28:50,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:28:50,848 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2021-12-28 04:28:50,848 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2021-12-28 04:28:50,848 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-28 04:28:50,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-28 04:28:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_error_detected [2021-12-28 04:28:50,849 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_error_detected [2021-12-28 04:28:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_change_mtu [2021-12-28 04:28:50,849 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_change_mtu [2021-12-28 04:28:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-28 04:28:50,849 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-28 04:28:50,850 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-28 04:28:50,850 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-28 04:28:50,850 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 04:28:50,850 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 04:28:50,851 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 04:28:50,851 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 04:28:50,851 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:28:50,851 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:28:50,851 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2021-12-28 04:28:50,851 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2021-12-28 04:28:50,852 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2021-12-28 04:28:50,852 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2021-12-28 04:28:50,852 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 04:28:50,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 04:28:50,852 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2021-12-28 04:28:50,852 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2021-12-28 04:28:50,852 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 04:28:50,853 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 04:28:50,853 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-28 04:28:50,853 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-28 04:28:50,853 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 04:28:50,853 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 04:28:50,853 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:28:50,854 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:28:50,854 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2021-12-28 04:28:50,854 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2021-12-28 04:28:50,854 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-28 04:28:50,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-28 04:28:50,854 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-28 04:28:50,855 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-28 04:28:50,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:28:50,856 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-12-28 04:28:50,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-12-28 04:28:50,857 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2021-12-28 04:28:50,857 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2021-12-28 04:28:50,857 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-28 04:28:50,857 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-28 04:28:50,857 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2021-12-28 04:28:50,857 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2021-12-28 04:28:50,858 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-28 04:28:50,858 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-28 04:28:50,858 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:28:50,858 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:28:50,858 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 04:28:50,858 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 04:28:50,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:28:50,859 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2021-12-28 04:28:50,859 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2021-12-28 04:28:50,859 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 04:28:50,859 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 04:28:50,859 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 04:28:50,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 04:28:50,860 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2021-12-28 04:28:50,860 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2021-12-28 04:28:50,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:28:50,860 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_task [2021-12-28 04:28:50,860 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_task [2021-12-28 04:28:50,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:28:50,861 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 04:28:50,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 04:28:50,861 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-28 04:28:50,861 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-28 04:28:50,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:28:50,862 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:28:50,862 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-28 04:28:50,863 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-28 04:28:50,863 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-12-28 04:28:50,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-12-28 04:28:50,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 04:28:50,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 04:28:50,864 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2021-12-28 04:28:50,864 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2021-12-28 04:28:50,865 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-28 04:28:50,865 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-28 04:28:50,865 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 04:28:50,866 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 04:28:50,866 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2021-12-28 04:28:50,866 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2021-12-28 04:28:50,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:28:50,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:28:50,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:28:50,866 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2021-12-28 04:28:50,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2021-12-28 04:28:50,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:28:50,867 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-28 04:28:50,867 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-28 04:28:50,867 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_fix_features [2021-12-28 04:28:50,868 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_fix_features [2021-12-28 04:28:50,868 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:28:50,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:28:50,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:28:50,869 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 04:28:50,871 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-28 04:28:50,871 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-28 04:28:50,871 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2021-12-28 04:28:50,871 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2021-12-28 04:28:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-28 04:28:50,873 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-28 04:28:50,873 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2021-12-28 04:28:50,873 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2021-12-28 04:28:50,873 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 04:28:50,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 04:28:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-28 04:28:50,878 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-28 04:28:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:28:50,878 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:28:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2021-12-28 04:28:50,879 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2021-12-28 04:28:50,879 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_stats [2021-12-28 04:28:50,879 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_stats [2021-12-28 04:28:50,879 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-28 04:28:50,879 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-28 04:28:50,879 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-28 04:28:50,879 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-28 04:28:50,879 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 04:28:50,879 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 04:28:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2021-12-28 04:28:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2021-12-28 04:28:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-28 04:28:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-28 04:28:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-28 04:28:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-28 04:28:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:28:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:28:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-28 04:28:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-28 04:28:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 04:28:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 04:28:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:28:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:28:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:28:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:28:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-28 04:28:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-28 04:28:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-28 04:28:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-28 04:28:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-28 04:28:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-28 04:28:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2021-12-28 04:28:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2021-12-28 04:28:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2021-12-28 04:28:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2021-12-28 04:28:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:28:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:28:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-28 04:28:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-28 04:28:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-28 04:28:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-28 04:28:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-28 04:28:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-28 04:28:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_mac_addr [2021-12-28 04:28:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_mac_addr [2021-12-28 04:28:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-28 04:28:50,885 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-28 04:28:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:28:50,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:28:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2021-12-28 04:28:50,885 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2021-12-28 04:28:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:28:50,885 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:28:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 04:28:50,886 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 04:28:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-28 04:28:50,886 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-28 04:28:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2021-12-28 04:28:50,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2021-12-28 04:28:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:28:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:28:50,886 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:28:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-28 04:28:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-28 04:28:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 04:28:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 04:28:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2021-12-28 04:28:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2021-12-28 04:28:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:28:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2021-12-28 04:28:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2021-12-28 04:28:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2021-12-28 04:28:50,888 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2021-12-28 04:28:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-28 04:28:50,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-28 04:28:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-28 04:28:50,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-28 04:28:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2021-12-28 04:28:50,888 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2021-12-28 04:28:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:28:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2021-12-28 04:28:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2021-12-28 04:28:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2021-12-28 04:28:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2021-12-28 04:28:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-28 04:28:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-28 04:28:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-28 04:28:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-28 04:28:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-28 04:28:50,890 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-28 04:28:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-28 04:28:50,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-28 04:28:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 04:28:50,890 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 04:28:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 04:28:50,890 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 04:28:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 04:28:50,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 04:28:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_ioctl [2021-12-28 04:28:50,891 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_ioctl [2021-12-28 04:28:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_link_chg_task [2021-12-28 04:28:50,891 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_link_chg_task [2021-12-28 04:28:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2021-12-28 04:28:50,891 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2021-12-28 04:28:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2021-12-28 04:28:50,891 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2021-12-28 04:28:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2021-12-28 04:28:50,892 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2021-12-28 04:28:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 04:28:50,892 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 04:28:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-28 04:28:50,893 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-28 04:28:50,895 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:28:50,895 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:28:50,896 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2021-12-28 04:28:50,896 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2021-12-28 04:28:50,896 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-28 04:28:50,896 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-28 04:28:50,896 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2021-12-28 04:28:50,896 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2021-12-28 04:28:50,896 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:28:50,897 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:28:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:28:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_slot_reset [2021-12-28 04:28:50,897 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_slot_reset [2021-12-28 04:28:50,898 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2021-12-28 04:28:50,898 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2021-12-28 04:28:50,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:28:50,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:28:50,898 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2021-12-28 04:28:50,898 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2021-12-28 04:28:50,898 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2021-12-28 04:28:50,898 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2021-12-28 04:28:50,898 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 04:28:50,899 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 04:28:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:28:50,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:28:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-28 04:28:50,899 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-28 04:28:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_features [2021-12-28 04:28:50,899 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_features [2021-12-28 04:28:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-28 04:28:50,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-28 04:28:50,900 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2021-12-28 04:28:50,900 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2021-12-28 04:28:50,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-28 04:28:50,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-28 04:28:50,900 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-12-28 04:28:50,900 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-12-28 04:28:50,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_6 [2021-12-28 04:28:50,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_6 [2021-12-28 04:28:50,900 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-28 04:28:50,901 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-28 04:28:50,901 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-28 04:28:50,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-28 04:28:50,901 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2021-12-28 04:28:50,901 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2021-12-28 04:28:50,901 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-28 04:28:50,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-28 04:28:50,901 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-28 04:28:50,902 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-28 04:28:50,902 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2021-12-28 04:28:50,902 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2021-12-28 04:28:50,902 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-28 04:28:50,902 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-28 04:28:50,902 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-28 04:28:50,902 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-28 04:28:50,902 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 04:28:50,903 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 04:28:50,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:28:50,903 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-28 04:28:50,903 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-28 04:28:50,903 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2021-12-28 04:28:50,903 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2021-12-28 04:28:50,903 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2021-12-28 04:28:50,903 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2021-12-28 04:28:51,700 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:28:51,703 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:28:51,893 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:28:58,480 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:28:58,497 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:28:58,498 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:28:58,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:28:58 BoogieIcfgContainer [2021-12-28 04:28:58,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:28:58,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:28:58,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:28:58,507 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:28:58,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:28:46" (1/3) ... [2021-12-28 04:28:58,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2d2689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:28:58, skipping insertion in model container [2021-12-28 04:28:58,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:50" (2/3) ... [2021-12-28 04:28:58,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2d2689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:28:58, skipping insertion in model container [2021-12-28 04:28:58,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:28:58" (3/3) ... [2021-12-28 04:28:58,511 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 [2021-12-28 04:28:58,515 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:28:58,516 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:28:58,573 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:28:58,582 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 [2021-12-28 04:28:58,582 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:28:58,633 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) [2021-12-28 04:28:58,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-12-28 04:28:58,653 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:28:58,654 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] [2021-12-28 04:28:58,655 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:28:58,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:28:58,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1343496821, now seen corresponding path program 1 times [2021-12-28 04:28:58,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:28:58,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031542662] [2021-12-28 04:28:58,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:28:58,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:28:59,029 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-28 04:28:59,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [919518412] [2021-12-28 04:28:59,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:28:59,030 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:28:59,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:28:59,043 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) [2021-12-28 04:28:59,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-28 04:29:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:00,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 3298 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-28 04:29:00,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 04:29:00,392 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2021-12-28 04:29:00,392 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 04:29:00,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:29:00,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031542662] [2021-12-28 04:29:00,393 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-28 04:29:00,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919518412] [2021-12-28 04:29:00,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919518412] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:29:00,394 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:29:00,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 04:29:00,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371923530] [2021-12-28 04:29:00,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:29:00,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 04:29:00,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:29:00,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 04:29:00,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 04:29:00,421 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) [2021-12-28 04:29:00,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:29:00,876 INFO L93 Difference]: Finished difference Result 7516 states and 10737 transitions. [2021-12-28 04:29:00,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 04:29:00,879 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 [2021-12-28 04:29:00,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:29:00,911 INFO L225 Difference]: With dead ends: 7516 [2021-12-28 04:29:00,911 INFO L226 Difference]: Without dead ends: 4738 [2021-12-28 04:29:00,925 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 [2021-12-28 04:29:00,927 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 [2021-12-28 04:29:00,928 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] [2021-12-28 04:29:00,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4738 states. [2021-12-28 04:29:01,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4738 to 4688. [2021-12-28 04:29:01,130 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) [2021-12-28 04:29:01,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4688 states to 4688 states and 6631 transitions. [2021-12-28 04:29:01,166 INFO L78 Accepts]: Start accepts. Automaton has 4688 states and 6631 transitions. Word has length 175 [2021-12-28 04:29:01,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:29:01,167 INFO L470 AbstractCegarLoop]: Abstraction has 4688 states and 6631 transitions. [2021-12-28 04:29:01,167 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) [2021-12-28 04:29:01,167 INFO L276 IsEmpty]: Start isEmpty. Operand 4688 states and 6631 transitions. [2021-12-28 04:29:01,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-12-28 04:29:01,176 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:29:01,176 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] [2021-12-28 04:29:01,203 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-28 04:29:01,391 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 [2021-12-28 04:29:01,392 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:29:01,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:29:01,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1325061642, now seen corresponding path program 1 times [2021-12-28 04:29:01,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:29:01,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996969684] [2021-12-28 04:29:01,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:29:01,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:29:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:01,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:29:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:01,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:01,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:01,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:29:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:01,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:01,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:01,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:29:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:01,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:01,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:01,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:29:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:01,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:01,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:01,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 04:29:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:01,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:01,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:29:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:01,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:01,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-28 04:29:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:01,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:01,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-28 04:29:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:01,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:01,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-28 04:29:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:01,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:01,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-28 04:29:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:01,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:01,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-28 04:29:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:01,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:02,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:02,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-28 04:29:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:02,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:02,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:02,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:29:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:02,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:02,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:02,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-28 04:29:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:02,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:02,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:02,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-28 04:29:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:02,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:02,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:02,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-28 04:29:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:02,106 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2021-12-28 04:29:02,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:29:02,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996969684] [2021-12-28 04:29:02,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996969684] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:29:02,107 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:29:02,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:29:02,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872071204] [2021-12-28 04:29:02,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:29:02,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:29:02,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:29:02,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:29:02,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:29:02,109 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) [2021-12-28 04:29:06,063 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 [] [2021-12-28 04:29:10,671 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:29:13,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:29:18,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:29:18,730 INFO L93 Difference]: Finished difference Result 14594 states and 20907 transitions. [2021-12-28 04:29:18,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:29:18,730 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 [2021-12-28 04:29:18,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:29:18,788 INFO L225 Difference]: With dead ends: 14594 [2021-12-28 04:29:18,788 INFO L226 Difference]: Without dead ends: 9937 [2021-12-28 04:29:18,807 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 [2021-12-28 04:29:18,808 INFO L933 BasicCegarLoop]: 4048 mSDtfsCounter, 8187 mSDsluCounter, 4110 mSDsCounter, 0 mSdLazyCounter, 3664 mSolverCounterSat, 5745 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8619 SdHoareTripleChecker+Valid, 8158 SdHoareTripleChecker+Invalid, 9412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5745 IncrementalHoareTripleChecker+Valid, 3664 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:29:18,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8619 Valid, 8158 Invalid, 9412 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5745 Valid, 3664 Invalid, 3 Unknown, 0 Unchecked, 16.0s Time] [2021-12-28 04:29:18,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9937 states. [2021-12-28 04:29:19,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9937 to 8702. [2021-12-28 04:29:19,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8702 states, 6035 states have (on average 1.3108533554266777) internal successors, (7911), 6129 states have internal predecessors, (7911), 2170 states have call successors, (2170), 499 states have call predecessors, (2170), 496 states have return successors, (2169), 2139 states have call predecessors, (2169), 2169 states have call successors, (2169) [2021-12-28 04:29:19,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8702 states to 8702 states and 12250 transitions. [2021-12-28 04:29:19,186 INFO L78 Accepts]: Start accepts. Automaton has 8702 states and 12250 transitions. Word has length 251 [2021-12-28 04:29:19,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:29:19,188 INFO L470 AbstractCegarLoop]: Abstraction has 8702 states and 12250 transitions. [2021-12-28 04:29:19,188 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) [2021-12-28 04:29:19,189 INFO L276 IsEmpty]: Start isEmpty. Operand 8702 states and 12250 transitions. [2021-12-28 04:29:19,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-12-28 04:29:19,202 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:29:19,202 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] [2021-12-28 04:29:19,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:29:19,203 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:29:19,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:29:19,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1856672465, now seen corresponding path program 1 times [2021-12-28 04:29:19,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:29:19,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110405061] [2021-12-28 04:29:19,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:29:19,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:29:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:29:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:19,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:29:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:29:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:29:19,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 04:29:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:29:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-28 04:29:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-28 04:29:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-28 04:29:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-28 04:29:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-28 04:29:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-28 04:29:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-28 04:29:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-28 04:29:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-28 04:29:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-28 04:29:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-28 04:29:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-28 04:29:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-28 04:29:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:19,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:20,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:20,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:20,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-28 04:29:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:20,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:20,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:20,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-28 04:29:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:20,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:20,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:20,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-28 04:29:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:20,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1418 trivial. 0 not checked. [2021-12-28 04:29:20,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:29:20,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110405061] [2021-12-28 04:29:20,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110405061] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:29:20,074 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:29:20,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 04:29:20,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756982559] [2021-12-28 04:29:20,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:29:20,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 04:29:20,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:29:20,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 04:29:20,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:29:20,085 INFO L87 Difference]: Start difference. First operand 8702 states and 12250 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) [2021-12-28 04:29:24,070 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:29:27,255 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:29:33,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:29:33,409 INFO L93 Difference]: Finished difference Result 19284 states and 27850 transitions. [2021-12-28 04:29:33,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 04:29:33,410 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 358 [2021-12-28 04:29:33,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:29:33,512 INFO L225 Difference]: With dead ends: 19284 [2021-12-28 04:29:33,512 INFO L226 Difference]: Without dead ends: 19281 [2021-12-28 04:29:33,533 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-28 04:29:33,537 INFO L933 BasicCegarLoop]: 4387 mSDtfsCounter, 9736 mSDsluCounter, 5837 mSDsCounter, 0 mSdLazyCounter, 5036 mSolverCounterSat, 7734 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10256 SdHoareTripleChecker+Valid, 10224 SdHoareTripleChecker+Invalid, 12771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7734 IncrementalHoareTripleChecker+Valid, 5036 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2021-12-28 04:29:33,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10256 Valid, 10224 Invalid, 12771 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7734 Valid, 5036 Invalid, 1 Unknown, 0 Unchecked, 12.6s Time] [2021-12-28 04:29:33,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19281 states. [2021-12-28 04:29:34,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19281 to 17182. [2021-12-28 04:29:34,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17182 states, 11958 states have (on average 1.3131794614484027) internal successors, (15703), 12128 states have internal predecessors, (15703), 4250 states have call successors, (4250), 968 states have call predecessors, (4250), 973 states have return successors, (4317), 4203 states have call predecessors, (4317), 4249 states have call successors, (4317) [2021-12-28 04:29:34,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17182 states to 17182 states and 24270 transitions. [2021-12-28 04:29:34,225 INFO L78 Accepts]: Start accepts. Automaton has 17182 states and 24270 transitions. Word has length 358 [2021-12-28 04:29:34,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:29:34,226 INFO L470 AbstractCegarLoop]: Abstraction has 17182 states and 24270 transitions. [2021-12-28 04:29:34,226 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-12-28 04:29:34,226 INFO L276 IsEmpty]: Start isEmpty. Operand 17182 states and 24270 transitions. [2021-12-28 04:29:34,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2021-12-28 04:29:34,257 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:29:34,258 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:29:34,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:29:34,258 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:29:34,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:29:34,259 INFO L85 PathProgramCache]: Analyzing trace with hash -437176915, now seen corresponding path program 1 times [2021-12-28 04:29:34,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:29:34,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060193324] [2021-12-28 04:29:34,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:29:34,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:29:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:29:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:29:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:29:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:29:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 04:29:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:29:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-28 04:29:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-28 04:29:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-28 04:29:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-28 04:29:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-28 04:29:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:29:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:29:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-28 04:29:34,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-28 04:29:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-28 04:29:34,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-28 04:29:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-28 04:29:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-28 04:29:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-28 04:29:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-28 04:29:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-28 04:29:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-28 04:29:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-28 04:29:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:29:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-28 04:29:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-28 04:29:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-28 04:29:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-28 04:29:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-28 04:29:34,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-28 04:29:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-28 04:29:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-28 04:29:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-28 04:29:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-28 04:29:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-28 04:29:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:34,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:29:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:35,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-28 04:29:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:35,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-12-28 04:29:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:35,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-28 04:29:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:35,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-28 04:29:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:35,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-28 04:29:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:35,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-28 04:29:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:35,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:29:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:35,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-12-28 04:29:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:35,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-28 04:29:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:29:35,089 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2021-12-28 04:29:35,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:29:35,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060193324] [2021-12-28 04:29:35,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060193324] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:29:35,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:29:35,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-28 04:29:35,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740170291] [2021-12-28 04:29:35,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:29:35,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-28 04:29:35,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:29:35,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-28 04:29:35,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-28 04:29:35,091 INFO L87 Difference]: Start difference. First operand 17182 states and 24270 transitions. Second operand has 8 states, 8 states have (on average 29.375) internal successors, (235), 3 states have internal predecessors, (235), 2 states have call successors, (53), 7 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2021-12-28 04:29:41,292 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:29:45,504 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []