/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 -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 [2020-08-19 07:20:37,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 07:20:37,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 07:20:37,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 07:20:37,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 07:20:37,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 07:20:37,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 07:20:37,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 07:20:37,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 07:20:37,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 07:20:37,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 07:20:37,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 07:20:37,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 07:20:37,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 07:20:37,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 07:20:37,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 07:20:37,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 07:20:37,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 07:20:37,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 07:20:37,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 07:20:37,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 07:20:37,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 07:20:37,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 07:20:37,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 07:20:37,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-19 07:20:37,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-19 07:20:37,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-19 07:20:37,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-19 07:20:37,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-19 07:20:37,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-19 07:20:37,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-19 07:20:37,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-19 07:20:37,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-19 07:20:37,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-19 07:20:37,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-19 07:20:37,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-19 07:20:37,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-19 07:20:37,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-19 07:20:37,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 07:20:37,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 07:20:37,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 07:20:37,094 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 [2020-08-19 07:20:37,133 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 07:20:37,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 07:20:37,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 07:20:37,136 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 07:20:37,136 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 07:20:37,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 07:20:37,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 07:20:37,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 07:20:37,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 07:20:37,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 07:20:37,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 07:20:37,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 07:20:37,139 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 07:20:37,139 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 07:20:37,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 07:20:37,140 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 07:20:37,140 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 07:20:37,140 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 07:20:37,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 07:20:37,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 07:20:37,141 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 07:20:37,141 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 07:20:37,142 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 07:20:37,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 07:20:37,142 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 07:20:37,142 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 07:20:37,143 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-19 07:20:37,143 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=SMALLESTAMONGWIDE;tolerance=0.5; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5; [2020-08-19 07:20:37,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 07:20:37,476 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 07:20:37,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 07:20:37,481 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 07:20:37,481 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 07:20:37,482 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-19 07:20:37,544 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4bfb3f7ec/c3717bb9b4ae4ad18cce2dbf096a9789/FLAGb12f6ebdf [2020-08-19 07:20:38,253 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 07:20:38,254 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-19 07:20:38,284 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4bfb3f7ec/c3717bb9b4ae4ad18cce2dbf096a9789/FLAGb12f6ebdf [2020-08-19 07:20:38,375 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4bfb3f7ec/c3717bb9b4ae4ad18cce2dbf096a9789 [2020-08-19 07:20:38,384 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 07:20:38,385 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 07:20:38,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 07:20:38,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 07:20:38,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 07:20:38,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 07:20:38" (1/1) ... [2020-08-19 07:20:38,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7abdd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 07:20:38, skipping insertion in model container [2020-08-19 07:20:38,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 07:20:38" (1/1) ... [2020-08-19 07:20:38,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 07:20:38,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 07:20:39,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 07:20:39,730 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 07:20:39,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 07:20:40,141 INFO L208 MainTranslator]: Completed translation [2020-08-19 07:20:40,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 07:20:40 WrapperNode [2020-08-19 07:20:40,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 07:20:40,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 07:20:40,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 07:20:40,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 07:20:40,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 07:20:40" (1/1) ... [2020-08-19 07:20:40,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 07:20:40" (1/1) ... [2020-08-19 07:20:40,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 07:20:40" (1/1) ... [2020-08-19 07:20:40,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 07:20:40" (1/1) ... [2020-08-19 07:20:40,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 07:20:40" (1/1) ... [2020-08-19 07:20:40,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 07:20:40" (1/1) ... [2020-08-19 07:20:40,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 07:20:40" (1/1) ... [2020-08-19 07:20:40,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 07:20:40,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 07:20:40,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 07:20:40,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 07:20:40,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 07:20:40" (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 [2020-08-19 07:20:40,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 07:20:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 07:20:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2020-08-19 07:20:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~TO~int [2020-08-19 07:20:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2020-08-19 07:20:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2020-08-19 07:20:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2020-08-19 07:20:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2020-08-19 07:20:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2020-08-19 07:20:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-19 07:20:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-08-19 07:20:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-08-19 07:20:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-08-19 07:20:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-08-19 07:20:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-08-19 07:20:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-08-19 07:20:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-08-19 07:20:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-08-19 07:20:40,482 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-08-19 07:20:40,482 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-08-19 07:20:40,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2020-08-19 07:20:40,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2020-08-19 07:20:40,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2020-08-19 07:20:40,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_address [2020-08-19 07:20:40,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-08-19 07:20:40,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-08-19 07:20:40,484 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_nb_num [2020-08-19 07:20:40,484 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_nb_has_feature [2020-08-19 07:20:40,484 INFO L138 BoogieDeclarations]: Found implementation of procedure node_to_amd_nb [2020-08-19 07:20:40,484 INFO L138 BoogieDeclarations]: Found implementation of procedure gart_set_size_and_enable [2020-08-19 07:20:40,484 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_gart_translation [2020-08-19 07:20:40,484 INFO L138 BoogieDeclarations]: Found implementation of procedure aperture_valid [2020-08-19 07:20:40,484 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_tlbflush [2020-08-19 07:20:40,485 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_insert_memory [2020-08-19 07:20:40,485 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_fetch_size [2020-08-19 07:20:40,485 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_configure [2020-08-19 07:20:40,485 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_8151_configure [2020-08-19 07:20:40,485 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_cleanup [2020-08-19 07:20:40,486 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_aperture_valid [2020-08-19 07:20:40,486 INFO L138 BoogieDeclarations]: Found implementation of procedure fix_northbridge [2020-08-19 07:20:40,486 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_nbs [2020-08-19 07:20:40,486 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8151_init [2020-08-19 07:20:40,486 INFO L138 BoogieDeclarations]: Found implementation of procedure uli_agp_init [2020-08-19 07:20:40,487 INFO L138 BoogieDeclarations]: Found implementation of procedure nforce3_agp_init [2020-08-19 07:20:40,487 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_probe [2020-08-19 07:20:40,487 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_remove [2020-08-19 07:20:40,487 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_suspend [2020-08-19 07:20:40,488 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_resume [2020-08-19 07:20:40,488 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_init [2020-08-19 07:20:40,488 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_mod_init [2020-08-19 07:20:40,488 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_cleanup [2020-08-19 07:20:40,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_1 [2020-08-19 07:20:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_agp_bridge_driver_2 [2020-08-19 07:20:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 07:20:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_5 [2020-08-19 07:20:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_6 [2020-08-19 07:20:40,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_7 [2020-08-19 07:20:40,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_8 [2020-08-19 07:20:40,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_9 [2020-08-19 07:20:40,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-08-19 07:20:40,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-08-19 07:20:40,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-08-19 07:20:40,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-08-19 07:20:40,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-08-19 07:20:40,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-08-19 07:20:40,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-08-19 07:20:40,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-08-19 07:20:40,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-08-19 07:20:40,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-08-19 07:20:40,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-08-19 07:20:40,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-08-19 07:20:40,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-08-19 07:20:40,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-08-19 07:20:40,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-08-19 07:20:40,493 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-08-19 07:20:40,493 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_add_bridge [2020-08-19 07:20:40,493 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_alloc_bridge [2020-08-19 07:20:40,493 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_by_type [2020-08-19 07:20:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_page [2020-08-19 07:20:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_pages [2020-08-19 07:20:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_create_gatt_table [2020-08-19 07:20:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_destroy_page [2020-08-19 07:20:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_destroy_pages [2020-08-19 07:20:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_enable [2020-08-19 07:20:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_free_by_type [2020-08-19 07:20:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_free_gatt_table [2020-08-19 07:20:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_mask_memory [2020-08-19 07:20:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_remove_memory [2020-08-19 07:20:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_type_to_mask_type [2020-08-19 07:20:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_num_entries [2020-08-19 07:20:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_put_bridge [2020-08-19 07:20:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_remove_bridge [2020-08-19 07:20:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_cache_northbridges [2020-08-19 07:20:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_flush_garts [2020-08-19 07:20:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-08-19 07:20:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_attach [2020-08-19 07:20:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure e820_any_mapped [2020-08-19 07:20:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure global_cache_flush [2020-08-19 07:20:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-08-19 07:20:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_1 [2020-08-19 07:20:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_1 [2020-08-19 07:20:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_late_1 [2020-08-19 07:20:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_dword [2020-08-19 07:20:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2020-08-19 07:20:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_dword [2020-08-19 07:20:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2020-08-19 07:20:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_present [2020-08-19 07:20:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2020-08-19 07:20:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2020-08-19 07:20:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_slot [2020-08-19 07:20:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2020-08-19 07:20:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2020-08-19 07:20:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2020-08-19 07:20:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-08-19 07:20:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pcibios_resource_to_bus [2020-08-19 07:20:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-08-19 07:20:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2020-08-19 07:20:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-08-19 07:20:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-08-19 07:20:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-08-19 07:20:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 07:20:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-08-19 07:20:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2020-08-19 07:20:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2020-08-19 07:20:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-08-19 07:20:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-08-19 07:20:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-08-19 07:20:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure e820_any_mapped [2020-08-19 07:20:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2020-08-19 07:20:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-08-19 07:20:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-08-19 07:20:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2020-08-19 07:20:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2020-08-19 07:20:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2020-08-19 07:20:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-19 07:20:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-19 07:20:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 07:20:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-08-19 07:20:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-19 07:20:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-19 07:20:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-08-19 07:20:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-19 07:20:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-08-19 07:20:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-08-19 07:20:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-08-19 07:20:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-08-19 07:20:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-08-19 07:20:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-08-19 07:20:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-08-19 07:20:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-08-19 07:20:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_1 [2020-08-19 07:20:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_agp_bridge_driver_2 [2020-08-19 07:20:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-08-19 07:20:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-19 07:20:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-08-19 07:20:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-19 07:20:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2020-08-19 07:20:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-08-19 07:20:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-08-19 07:20:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure pcibios_resource_to_bus [2020-08-19 07:20:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2020-08-19 07:20:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2020-08-19 07:20:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_slot [2020-08-19 07:20:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_present [2020-08-19 07:20:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2020-08-19 07:20:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_dword [2020-08-19 07:20:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_dword [2020-08-19 07:20:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2020-08-19 07:20:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-19 07:20:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2020-08-19 07:20:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2020-08-19 07:20:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2020-08-19 07:20:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2020-08-19 07:20:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2020-08-19 07:20:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2020-08-19 07:20:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_address [2020-08-19 07:20:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-19 07:20:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-19 07:20:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-08-19 07:20:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_5 [2020-08-19 07:20:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-08-19 07:20:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_6 [2020-08-19 07:20:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_7 [2020-08-19 07:20:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_8 [2020-08-19 07:20:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_9 [2020-08-19 07:20:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-08-19 07:20:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-08-19 07:20:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure amd_cache_northbridges [2020-08-19 07:20:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure amd_flush_garts [2020-08-19 07:20:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure amd_nb_num [2020-08-19 07:20:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure amd_nb_has_feature [2020-08-19 07:20:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure node_to_amd_nb [2020-08-19 07:20:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_init [2020-08-19 07:20:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure gart_set_size_and_enable [2020-08-19 07:20:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure enable_gart_translation [2020-08-19 07:20:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-19 07:20:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure aperture_valid [2020-08-19 07:20:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure agp_alloc_bridge [2020-08-19 07:20:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure agp_put_bridge [2020-08-19 07:20:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure agp_add_bridge [2020-08-19 07:20:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure agp_remove_bridge [2020-08-19 07:20:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_enable [2020-08-19 07:20:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_create_gatt_table [2020-08-19 07:20:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_free_gatt_table [2020-08-19 07:20:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_remove_memory [2020-08-19 07:20:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_by_type [2020-08-19 07:20:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_free_by_type [2020-08-19 07:20:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_page [2020-08-19 07:20:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_pages [2020-08-19 07:20:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_destroy_page [2020-08-19 07:20:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_destroy_pages [2020-08-19 07:20:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure agp_num_entries [2020-08-19 07:20:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure global_cache_flush [2020-08-19 07:20:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_mask_memory [2020-08-19 07:20:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_type_to_mask_type [2020-08-19 07:20:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_tlbflush [2020-08-19 07:20:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_insert_memory [2020-08-19 07:20:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2020-08-19 07:20:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~TO~int [2020-08-19 07:20:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_fetch_size [2020-08-19 07:20:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_configure [2020-08-19 07:20:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure amd_8151_configure [2020-08-19 07:20:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_cleanup [2020-08-19 07:20:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure agp_aperture_valid [2020-08-19 07:20:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure fix_northbridge [2020-08-19 07:20:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure cache_nbs [2020-08-19 07:20:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure amd8151_init [2020-08-19 07:20:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure uli_agp_init [2020-08-19 07:20:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure nforce3_agp_init [2020-08-19 07:20:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_probe [2020-08-19 07:20:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_remove [2020-08-19 07:20:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_suspend [2020-08-19 07:20:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_resume [2020-08-19 07:20:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_mod_init [2020-08-19 07:20:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_cleanup [2020-08-19 07:20:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_1 [2020-08-19 07:20:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_1 [2020-08-19 07:20:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_late_1 [2020-08-19 07:20:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-08-19 07:20:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-08-19 07:20:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 07:20:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-08-19 07:20:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-08-19 07:20:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-08-19 07:20:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-08-19 07:20:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-08-19 07:20:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-08-19 07:20:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-08-19 07:20:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-08-19 07:20:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-08-19 07:20:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-08-19 07:20:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-19 07:20:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-08-19 07:20:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 07:20:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-19 07:20:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-19 07:20:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-08-19 07:20:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 07:20:43,899 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-08-19 07:20:48,738 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-08-19 07:20:49,095 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 07:20:49,095 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-19 07:20:49,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 07:20:49 BoogieIcfgContainer [2020-08-19 07:20:49,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 07:20:49,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 07:20:49,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 07:20:49,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 07:20:49,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 07:20:38" (1/3) ... [2020-08-19 07:20:49,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72aca84b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 07:20:49, skipping insertion in model container [2020-08-19 07:20:49,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 07:20:40" (2/3) ... [2020-08-19 07:20:49,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72aca84b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 07:20:49, skipping insertion in model container [2020-08-19 07:20:49,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 07:20:49" (3/3) ... [2020-08-19 07:20:49,114 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-19 07:20:49,124 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 07:20:49,134 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 07:20:49,149 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 07:20:49,176 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 07:20:49,177 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 07:20:49,177 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 07:20:49,177 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 07:20:49,177 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 07:20:49,177 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 07:20:49,177 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 07:20:49,177 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 07:20:49,218 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states. [2020-08-19 07:20:49,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-08-19 07:20:49,239 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 07:20:49,240 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] [2020-08-19 07:20:49,241 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 07:20:49,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 07:20:49,248 INFO L82 PathProgramCache]: Analyzing trace with hash 887876909, now seen corresponding path program 1 times [2020-08-19 07:20:49,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 07:20:49,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1991606053] [2020-08-19 07:20:49,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 07:20:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:50,795 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2020-08-19 07:20:50,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 07:20:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:50,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 07:20:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:50,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:20:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:50,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 07:20:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 07:20:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:20:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 07:20:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-19 07:20:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-19 07:20:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:20:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-19 07:20:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:20:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-19 07:20:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:20:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-19 07:20:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:20:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-19 07:20:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:20:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-19 07:20:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:20:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-19 07:20:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:20:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-19 07:20:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:20:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-19 07:20:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:20:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-19 07:20:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:20:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-19 07:20:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:20:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-19 07:20:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:20:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 07:20:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:20:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-08-19 07:20:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:20:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:20:51,868 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2020-08-19 07:20:51,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1991606053] [2020-08-19 07:20:51,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 07:20:51,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-19 07:20:51,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216404851] [2020-08-19 07:20:51,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 07:20:51,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 07:20:51,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 07:20:51,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2020-08-19 07:20:51,910 INFO L87 Difference]: Start difference. First operand 869 states. Second operand 7 states. [2020-08-19 07:20:59,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 07:20:59,472 INFO L93 Difference]: Finished difference Result 1847 states and 2460 transitions. [2020-08-19 07:20:59,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-19 07:20:59,476 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 207 [2020-08-19 07:20:59,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 07:20:59,502 INFO L225 Difference]: With dead ends: 1847 [2020-08-19 07:20:59,502 INFO L226 Difference]: Without dead ends: 980 [2020-08-19 07:20:59,515 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2020-08-19 07:20:59,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2020-08-19 07:20:59,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 845. [2020-08-19 07:20:59,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2020-08-19 07:20:59,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1086 transitions. [2020-08-19 07:20:59,712 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1086 transitions. Word has length 207 [2020-08-19 07:20:59,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 07:20:59,713 INFO L479 AbstractCegarLoop]: Abstraction has 845 states and 1086 transitions. [2020-08-19 07:20:59,713 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 07:20:59,713 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1086 transitions. [2020-08-19 07:20:59,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-08-19 07:20:59,720 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 07:20:59,720 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] [2020-08-19 07:20:59,721 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 07:20:59,721 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 07:20:59,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 07:20:59,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1980725417, now seen corresponding path program 1 times [2020-08-19 07:20:59,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 07:20:59,722 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1376590227] [2020-08-19 07:20:59,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 07:20:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:00,692 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2020-08-19 07:21:00,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 07:21:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:00,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 07:21:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:00,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:21:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:00,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 07:21:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:00,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 07:21:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:00,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:21:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:00,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 07:21:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:00,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-19 07:21:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:00,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-19 07:21:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:00,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:21:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:00,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-19 07:21:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:00,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:21:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:00,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-19 07:21:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:00,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:21:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:00,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-19 07:21:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:00,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:21:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:00,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-19 07:21:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:00,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:21:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:00,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-19 07:21:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:00,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:21:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:00,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-19 07:21:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:01,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:21:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:01,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-19 07:21:01,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:01,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:21:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:01,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-19 07:21:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:01,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:21:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:01,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-19 07:21:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:01,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:21:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:01,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-19 07:21:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:01,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:21:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:01,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-19 07:21:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:01,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:21:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:01,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 07:21:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:01,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:21:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:01,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-08-19 07:21:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:01,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 07:21:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 07:21:01,243 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2020-08-19 07:21:01,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1376590227] [2020-08-19 07:21:01,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 07:21:01,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-19 07:21:01,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67190361] [2020-08-19 07:21:01,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 07:21:01,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 07:21:01,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 07:21:01,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-08-19 07:21:01,248 INFO L87 Difference]: Start difference. First operand 845 states and 1086 transitions. Second operand 8 states. [2020-08-19 07:21:03,979 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2020-08-19 07:21:13,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 07:21:13,289 INFO L93 Difference]: Finished difference Result 980 states and 1298 transitions. [2020-08-19 07:21:13,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-19 07:21:13,289 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 207 [2020-08-19 07:21:13,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 07:21:13,291 INFO L225 Difference]: With dead ends: 980 [2020-08-19 07:21:13,291 INFO L226 Difference]: Without dead ends: 0 [2020-08-19 07:21:13,296 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 [2020-08-19 07:21:13,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-19 07:21:13,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-19 07:21:13,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-19 07:21:13,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-19 07:21:13,298 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2020-08-19 07:21:13,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 07:21:13,298 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-19 07:21:13,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 07:21:13,298 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-19 07:21:13,298 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-19 07:21:13,299 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 07:21:13,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-19 07:21:22,976 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 27 [2020-08-19 07:21:23,442 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-19 07:21:23,861 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-19 07:21:24,285 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-19 07:21:24,715 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 24 [2020-08-19 07:21:25,142 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-19 07:21:25,529 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-19 07:21:25,897 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-19 07:21:26,423 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 78 [2020-08-19 07:21:26,844 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-19 07:21:27,261 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-19 07:21:27,658 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-19 07:21:28,053 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-19 07:21:28,440 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-19 07:21:28,866 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-19 07:21:29,291 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-19 07:21:29,725 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-19 07:21:30,190 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-19 07:21:30,631 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-19 07:21:31,075 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-19 07:21:31,515 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-19 07:21:31,932 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-19 07:21:32,331 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-19 07:21:32,734 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-19 07:21:33,145 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-19 07:21:33,548 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-19 07:21:33,930 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-19 07:21:34,351 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-19 07:21:34,811 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-19 07:21:35,236 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-19 07:21:35,720 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-19 07:21:36,169 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 27 [2020-08-19 07:21:36,565 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-19 07:21:36,963 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 18 [2020-08-19 07:21:37,352 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-19 07:21:37,761 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21