/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=WIDEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 23:15:06,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 23:15:06,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 23:15:06,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 23:15:06,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 23:15:06,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 23:15:06,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 23:15:06,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 23:15:06,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 23:15:06,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 23:15:06,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 23:15:06,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 23:15:06,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 23:15:06,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 23:15:06,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 23:15:06,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 23:15:06,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 23:15:06,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 23:15:06,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 23:15:06,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 23:15:06,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 23:15:06,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 23:15:06,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 23:15:06,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 23:15:06,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 23:15:06,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 23:15:06,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 23:15:06,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 23:15:06,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 23:15:06,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 23:15:06,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 23:15:06,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 23:15:06,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 23:15:06,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 23:15:06,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 23:15:06,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 23:15:06,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 23:15:06,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 23:15:06,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 23:15:06,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 23:15:06,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 23:15:06,165 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-08-18 23:15:06,207 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 23:15:06,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 23:15:06,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 23:15:06,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 23:15:06,210 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 23:15:06,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 23:15:06,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 23:15:06,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 23:15:06,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 23:15:06,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 23:15:06,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 23:15:06,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 23:15:06,212 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 23:15:06,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 23:15:06,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 23:15:06,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 23:15:06,214 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 23:15:06,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 23:15:06,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 23:15:06,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 23:15:06,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 23:15:06,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 23:15:06,215 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 23:15:06,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 23:15:06,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 23:15:06,215 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 23:15:06,215 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-18 23:15:06,216 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDEST; [2020-08-18 23:15:06,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 23:15:06,526 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 23:15:06,530 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 23:15:06,531 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 23:15:06,532 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 23:15:06,532 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-18 23:15:06,602 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/458f3e78c/9d814b85433e46b4958bb795dd9e59dc/FLAG2947a1ce1 [2020-08-18 23:15:07,285 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 23:15:07,286 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-18 23:15:07,319 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/458f3e78c/9d814b85433e46b4958bb795dd9e59dc/FLAG2947a1ce1 [2020-08-18 23:15:07,452 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/458f3e78c/9d814b85433e46b4958bb795dd9e59dc [2020-08-18 23:15:07,462 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 23:15:07,464 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 23:15:07,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 23:15:07,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 23:15:07,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 23:15:07,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:15:07" (1/1) ... [2020-08-18 23:15:07,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@295985fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:15:07, skipping insertion in model container [2020-08-18 23:15:07,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:15:07" (1/1) ... [2020-08-18 23:15:07,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 23:15:07,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 23:15:08,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 23:15:08,773 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 23:15:09,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 23:15:09,175 INFO L208 MainTranslator]: Completed translation [2020-08-18 23:15:09,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:15:09 WrapperNode [2020-08-18 23:15:09,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 23:15:09,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 23:15:09,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 23:15:09,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 23:15:09,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:15:09" (1/1) ... [2020-08-18 23:15:09,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:15:09" (1/1) ... [2020-08-18 23:15:09,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:15:09" (1/1) ... [2020-08-18 23:15:09,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:15:09" (1/1) ... [2020-08-18 23:15:09,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:15:09" (1/1) ... [2020-08-18 23:15:09,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:15:09" (1/1) ... [2020-08-18 23:15:09,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:15:09" (1/1) ... [2020-08-18 23:15:09,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 23:15:09,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 23:15:09,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 23:15:09,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 23:15:09,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:15:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 23:15:09,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 23:15:09,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 23:15:09,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2020-08-18 23:15:09,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~TO~int [2020-08-18 23:15:09,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2020-08-18 23:15:09,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2020-08-18 23:15:09,557 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2020-08-18 23:15:09,558 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2020-08-18 23:15:09,558 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2020-08-18 23:15:09,558 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-18 23:15:09,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-08-18 23:15:09,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-08-18 23:15:09,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-08-18 23:15:09,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-08-18 23:15:09,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-08-18 23:15:09,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-08-18 23:15:09,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-08-18 23:15:09,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-08-18 23:15:09,560 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-08-18 23:15:09,563 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-08-18 23:15:09,563 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2020-08-18 23:15:09,563 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2020-08-18 23:15:09,563 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2020-08-18 23:15:09,563 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_address [2020-08-18 23:15:09,563 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-08-18 23:15:09,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-08-18 23:15:09,564 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_nb_num [2020-08-18 23:15:09,564 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_nb_has_feature [2020-08-18 23:15:09,564 INFO L138 BoogieDeclarations]: Found implementation of procedure node_to_amd_nb [2020-08-18 23:15:09,565 INFO L138 BoogieDeclarations]: Found implementation of procedure gart_set_size_and_enable [2020-08-18 23:15:09,565 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_gart_translation [2020-08-18 23:15:09,566 INFO L138 BoogieDeclarations]: Found implementation of procedure aperture_valid [2020-08-18 23:15:09,566 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_tlbflush [2020-08-18 23:15:09,566 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_insert_memory [2020-08-18 23:15:09,566 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_fetch_size [2020-08-18 23:15:09,566 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_configure [2020-08-18 23:15:09,567 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_8151_configure [2020-08-18 23:15:09,567 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_cleanup [2020-08-18 23:15:09,567 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_aperture_valid [2020-08-18 23:15:09,567 INFO L138 BoogieDeclarations]: Found implementation of procedure fix_northbridge [2020-08-18 23:15:09,567 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_nbs [2020-08-18 23:15:09,569 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8151_init [2020-08-18 23:15:09,569 INFO L138 BoogieDeclarations]: Found implementation of procedure uli_agp_init [2020-08-18 23:15:09,569 INFO L138 BoogieDeclarations]: Found implementation of procedure nforce3_agp_init [2020-08-18 23:15:09,570 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_probe [2020-08-18 23:15:09,572 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_remove [2020-08-18 23:15:09,573 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_suspend [2020-08-18 23:15:09,574 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_resume [2020-08-18 23:15:09,574 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_init [2020-08-18 23:15:09,574 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_mod_init [2020-08-18 23:15:09,574 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_cleanup [2020-08-18 23:15:09,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_1 [2020-08-18 23:15:09,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_agp_bridge_driver_2 [2020-08-18 23:15:09,575 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 23:15:09,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_5 [2020-08-18 23:15:09,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_6 [2020-08-18 23:15:09,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_7 [2020-08-18 23:15:09,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_8 [2020-08-18 23:15:09,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_9 [2020-08-18 23:15:09,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-08-18 23:15:09,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-08-18 23:15:09,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-08-18 23:15:09,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-08-18 23:15:09,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-08-18 23:15:09,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-08-18 23:15:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-08-18 23:15:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-08-18 23:15:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-08-18 23:15:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-08-18 23:15:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-08-18 23:15:09,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-08-18 23:15:09,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-08-18 23:15:09,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-08-18 23:15:09,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-08-18 23:15:09,583 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-08-18 23:15:09,583 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_add_bridge [2020-08-18 23:15:09,586 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_alloc_bridge [2020-08-18 23:15:09,587 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_by_type [2020-08-18 23:15:09,588 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_page [2020-08-18 23:15:09,588 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_pages [2020-08-18 23:15:09,589 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_create_gatt_table [2020-08-18 23:15:09,589 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_destroy_page [2020-08-18 23:15:09,590 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_destroy_pages [2020-08-18 23:15:09,590 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_enable [2020-08-18 23:15:09,590 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_free_by_type [2020-08-18 23:15:09,590 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_free_gatt_table [2020-08-18 23:15:09,590 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_mask_memory [2020-08-18 23:15:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_remove_memory [2020-08-18 23:15:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_type_to_mask_type [2020-08-18 23:15:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_num_entries [2020-08-18 23:15:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_put_bridge [2020-08-18 23:15:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_remove_bridge [2020-08-18 23:15:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_cache_northbridges [2020-08-18 23:15:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_flush_garts [2020-08-18 23:15:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-08-18 23:15:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_attach [2020-08-18 23:15:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure e820_any_mapped [2020-08-18 23:15:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure global_cache_flush [2020-08-18 23:15:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-08-18 23:15:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_1 [2020-08-18 23:15:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_1 [2020-08-18 23:15:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_late_1 [2020-08-18 23:15:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_dword [2020-08-18 23:15:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2020-08-18 23:15:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_dword [2020-08-18 23:15:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2020-08-18 23:15:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_present [2020-08-18 23:15:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2020-08-18 23:15:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2020-08-18 23:15:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_slot [2020-08-18 23:15:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2020-08-18 23:15:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2020-08-18 23:15:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2020-08-18 23:15:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-08-18 23:15:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure pcibios_resource_to_bus [2020-08-18 23:15:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-08-18 23:15:09,596 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2020-08-18 23:15:09,596 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-08-18 23:15:09,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-08-18 23:15:09,597 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-08-18 23:15:09,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 23:15:09,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-08-18 23:15:09,598 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2020-08-18 23:15:09,598 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2020-08-18 23:15:09,599 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-08-18 23:15:09,600 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-08-18 23:15:09,600 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-08-18 23:15:09,600 INFO L130 BoogieDeclarations]: Found specification of procedure e820_any_mapped [2020-08-18 23:15:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2020-08-18 23:15:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-08-18 23:15:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-08-18 23:15:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2020-08-18 23:15:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2020-08-18 23:15:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2020-08-18 23:15:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 23:15:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-18 23:15:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 23:15:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-08-18 23:15:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-18 23:15:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-18 23:15:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-08-18 23:15:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 23:15:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-08-18 23:15:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-08-18 23:15:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-08-18 23:15:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-08-18 23:15:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-08-18 23:15:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-08-18 23:15:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-08-18 23:15:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-08-18 23:15:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_1 [2020-08-18 23:15:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_agp_bridge_driver_2 [2020-08-18 23:15:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-08-18 23:15:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 23:15:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-08-18 23:15:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 23:15:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2020-08-18 23:15:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-08-18 23:15:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-08-18 23:15:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure pcibios_resource_to_bus [2020-08-18 23:15:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2020-08-18 23:15:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2020-08-18 23:15:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_slot [2020-08-18 23:15:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_present [2020-08-18 23:15:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2020-08-18 23:15:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_dword [2020-08-18 23:15:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_dword [2020-08-18 23:15:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2020-08-18 23:15:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 23:15:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2020-08-18 23:15:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2020-08-18 23:15:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2020-08-18 23:15:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2020-08-18 23:15:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2020-08-18 23:15:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2020-08-18 23:15:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_address [2020-08-18 23:15:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 23:15:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 23:15:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-08-18 23:15:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_5 [2020-08-18 23:15:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-08-18 23:15:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_6 [2020-08-18 23:15:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_7 [2020-08-18 23:15:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_8 [2020-08-18 23:15:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_9 [2020-08-18 23:15:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-08-18 23:15:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-08-18 23:15:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure amd_cache_northbridges [2020-08-18 23:15:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure amd_flush_garts [2020-08-18 23:15:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure amd_nb_num [2020-08-18 23:15:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure amd_nb_has_feature [2020-08-18 23:15:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure node_to_amd_nb [2020-08-18 23:15:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_init [2020-08-18 23:15:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure gart_set_size_and_enable [2020-08-18 23:15:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure enable_gart_translation [2020-08-18 23:15:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 23:15:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure aperture_valid [2020-08-18 23:15:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure agp_alloc_bridge [2020-08-18 23:15:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure agp_put_bridge [2020-08-18 23:15:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure agp_add_bridge [2020-08-18 23:15:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure agp_remove_bridge [2020-08-18 23:15:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_enable [2020-08-18 23:15:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_create_gatt_table [2020-08-18 23:15:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_free_gatt_table [2020-08-18 23:15:09,626 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_remove_memory [2020-08-18 23:15:09,626 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_by_type [2020-08-18 23:15:09,626 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_free_by_type [2020-08-18 23:15:09,626 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_page [2020-08-18 23:15:09,626 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_pages [2020-08-18 23:15:09,627 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_destroy_page [2020-08-18 23:15:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_destroy_pages [2020-08-18 23:15:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure agp_num_entries [2020-08-18 23:15:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure global_cache_flush [2020-08-18 23:15:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_mask_memory [2020-08-18 23:15:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_type_to_mask_type [2020-08-18 23:15:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_tlbflush [2020-08-18 23:15:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_insert_memory [2020-08-18 23:15:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2020-08-18 23:15:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~TO~int [2020-08-18 23:15:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_fetch_size [2020-08-18 23:15:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_configure [2020-08-18 23:15:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure amd_8151_configure [2020-08-18 23:15:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_cleanup [2020-08-18 23:15:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure agp_aperture_valid [2020-08-18 23:15:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure fix_northbridge [2020-08-18 23:15:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure cache_nbs [2020-08-18 23:15:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure amd8151_init [2020-08-18 23:15:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure uli_agp_init [2020-08-18 23:15:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure nforce3_agp_init [2020-08-18 23:15:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_probe [2020-08-18 23:15:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_remove [2020-08-18 23:15:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_suspend [2020-08-18 23:15:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_resume [2020-08-18 23:15:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_mod_init [2020-08-18 23:15:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_cleanup [2020-08-18 23:15:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_1 [2020-08-18 23:15:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_1 [2020-08-18 23:15:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_late_1 [2020-08-18 23:15:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-08-18 23:15:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-08-18 23:15:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 23:15:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-08-18 23:15:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-08-18 23:15:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-08-18 23:15:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-08-18 23:15:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-08-18 23:15:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-08-18 23:15:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-08-18 23:15:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-08-18 23:15:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-08-18 23:15:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-08-18 23:15:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 23:15:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-08-18 23:15:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 23:15:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 23:15:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-18 23:15:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-08-18 23:15:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 23:15:12,742 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-08-18 23:15:17,710 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-08-18 23:15:18,089 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 23:15:18,089 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-18 23:15:18,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:15:18 BoogieIcfgContainer [2020-08-18 23:15:18,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 23:15:18,101 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 23:15:18,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 23:15:18,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 23:15:18,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 11:15:07" (1/3) ... [2020-08-18 23:15:18,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1f8f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:15:18, skipping insertion in model container [2020-08-18 23:15:18,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:15:09" (2/3) ... [2020-08-18 23:15:18,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1f8f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:15:18, skipping insertion in model container [2020-08-18 23:15:18,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:15:18" (3/3) ... [2020-08-18 23:15:18,109 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-18 23:15:18,121 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 23:15:18,130 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 23:15:18,145 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 23:15:18,173 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 23:15:18,173 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 23:15:18,173 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 23:15:18,173 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 23:15:18,173 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 23:15:18,174 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 23:15:18,174 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 23:15:18,174 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 23:15:18,211 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states. [2020-08-18 23:15:18,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-08-18 23:15:18,233 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:15:18,234 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 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] [2020-08-18 23:15:18,235 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:15:18,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:15:18,242 INFO L82 PathProgramCache]: Analyzing trace with hash 887876909, now seen corresponding path program 1 times [2020-08-18 23:15:18,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:15:18,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [520390395] [2020-08-18 23:15:18,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:15:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:19,932 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2020-08-18 23:15:19,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:15:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:15:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:15:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 23:15:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:15:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 23:15:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 23:15:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-18 23:15:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-18 23:15:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-18 23:15:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-18 23:15:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-18 23:15:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-18 23:15:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-18 23:15:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-18 23:15:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-18 23:15:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-18 23:15:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-18 23:15:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 23:15:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-08-18 23:15:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:20,631 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2020-08-18 23:15:20,632 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [520390395] [2020-08-18 23:15:20,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:15:20,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 23:15:20,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607864606] [2020-08-18 23:15:20,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 23:15:20,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:15:20,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 23:15:20,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2020-08-18 23:15:20,657 INFO L87 Difference]: Start difference. First operand 869 states. Second operand 7 states. [2020-08-18 23:15:29,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:15:29,774 INFO L93 Difference]: Finished difference Result 1847 states and 2460 transitions. [2020-08-18 23:15:29,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-18 23:15:29,776 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 207 [2020-08-18 23:15:29,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:15:29,802 INFO L225 Difference]: With dead ends: 1847 [2020-08-18 23:15:29,802 INFO L226 Difference]: Without dead ends: 980 [2020-08-18 23:15:29,815 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2020-08-18 23:15:29,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2020-08-18 23:15:30,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 845. [2020-08-18 23:15:30,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2020-08-18 23:15:30,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1086 transitions. [2020-08-18 23:15:30,037 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1086 transitions. Word has length 207 [2020-08-18 23:15:30,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:15:30,037 INFO L479 AbstractCegarLoop]: Abstraction has 845 states and 1086 transitions. [2020-08-18 23:15:30,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 23:15:30,038 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1086 transitions. [2020-08-18 23:15:30,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-08-18 23:15:30,043 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:15:30,044 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 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] [2020-08-18 23:15:30,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 23:15:30,044 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:15:30,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:15:30,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1980725417, now seen corresponding path program 1 times [2020-08-18 23:15:30,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:15:30,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2045532143] [2020-08-18 23:15:30,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:15:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,053 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2020-08-18 23:15:31,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:15:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:15:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:15:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 23:15:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:15:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 23:15:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 23:15:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-18 23:15:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-18 23:15:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-18 23:15:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-18 23:15:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-18 23:15:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-18 23:15:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-18 23:15:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-18 23:15:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-18 23:15:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-18 23:15:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-18 23:15:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:31,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 23:15:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-08-18 23:15:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:15:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:15:31,842 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2020-08-18 23:15:31,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2045532143] [2020-08-18 23:15:31,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:15:31,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 23:15:31,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655134336] [2020-08-18 23:15:31,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 23:15:31,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:15:31,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 23:15:31,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-08-18 23:15:31,847 INFO L87 Difference]: Start difference. First operand 845 states and 1086 transitions. Second operand 8 states. [2020-08-18 23:15:34,567 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2020-08-18 23:15:43,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:15:43,749 INFO L93 Difference]: Finished difference Result 980 states and 1298 transitions. [2020-08-18 23:15:43,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 23:15:43,750 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 207 [2020-08-18 23:15:43,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:15:43,751 INFO L225 Difference]: With dead ends: 980 [2020-08-18 23:15:43,752 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 23:15:43,755 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2020-08-18 23:15:43,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 23:15:43,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 23:15:43,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 23:15:43,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 23:15:43,757 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2020-08-18 23:15:43,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:15:43,757 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 23:15:43,757 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 23:15:43,757 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 23:15:43,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 23:15:43,758 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 23:15:43,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 23:15:54,159 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 27 [2020-08-18 23:15:54,638 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 23:15:55,028 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 23:15:55,446 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 23:15:55,971 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 24 [2020-08-18 23:15:56,433 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-18 23:15:56,814 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 23:15:57,205 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 23:15:57,717 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 78 [2020-08-18 23:15:58,110 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 23:15:58,513 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-18 23:15:58,967 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 23:15:59,365 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 23:15:59,755 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-18 23:16:00,146 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 23:16:00,592 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-18 23:16:01,062 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-18 23:16:01,510 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-18 23:16:01,951 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-18 23:16:02,371 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 23:16:02,777 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-18 23:16:03,177 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 23:16:03,565 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 23:16:03,974 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 23:16:04,445 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-18 23:16:04,874 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 23:16:05,258 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 23:16:05,687 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 23:16:06,087 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-18 23:16:06,526 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 23:16:07,004 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21