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 -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 23:35:12,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 23:35:12,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 23:35:12,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 23:35:12,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 23:35:12,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 23:35:12,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 23:35:12,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 23:35:12,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 23:35:12,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 23:35:12,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 23:35:12,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 23:35:12,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 23:35:12,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 23:35:12,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 23:35:12,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 23:35:12,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 23:35:12,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 23:35:12,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 23:35:12,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 23:35:12,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 23:35:12,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 23:35:12,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 23:35:12,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 23:35:12,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 23:35:12,992 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 23:35:12,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 23:35:12,993 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 23:35:12,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 23:35:12,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 23:35:12,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 23:35:12,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 23:35:12,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 23:35:12,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 23:35:13,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 23:35:13,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 23:35:13,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 23:35:13,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 23:35:13,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 23:35:13,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 23:35:13,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 23:35:13,007 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-02 23:35:13,028 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 23:35:13,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 23:35:13,030 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-02 23:35:13,030 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-02 23:35:13,031 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-02 23:35:13,031 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-02 23:35:13,032 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-02 23:35:13,032 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-02 23:35:13,032 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-02 23:35:13,033 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-02 23:35:13,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 23:35:13,034 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 23:35:13,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 23:35:13,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 23:35:13,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 23:35:13,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 23:35:13,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 23:35:13,036 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 23:35:13,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 23:35:13,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 23:35:13,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 23:35:13,037 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-02 23:35:13,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 23:35:13,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 23:35:13,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 23:35:13,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 23:35:13,038 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-02 23:35:13,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 23:35:13,039 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 23:35:13,039 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-02 23:35:13,067 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 23:35:13,083 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 23:35:13,087 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 23:35:13,089 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 23:35:13,089 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 23:35:13,090 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i [2019-10-02 23:35:13,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82b81e691/9116d13ad7dc459db89eee27037bbc4d/FLAG114ebcbfe [2019-10-02 23:35:13,969 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 23:35:13,970 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i [2019-10-02 23:35:14,018 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82b81e691/9116d13ad7dc459db89eee27037bbc4d/FLAG114ebcbfe [2019-10-02 23:35:14,506 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82b81e691/9116d13ad7dc459db89eee27037bbc4d [2019-10-02 23:35:14,515 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 23:35:14,517 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 23:35:14,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 23:35:14,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 23:35:14,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 23:35:14,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 11:35:14" (1/1) ... [2019-10-02 23:35:14,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26497d1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:35:14, skipping insertion in model container [2019-10-02 23:35:14,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 11:35:14" (1/1) ... [2019-10-02 23:35:14,532 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 23:35:14,664 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 23:35:16,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 23:35:16,492 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 23:35:16,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 23:35:17,250 INFO L192 MainTranslator]: Completed translation [2019-10-02 23:35:17,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:35:17 WrapperNode [2019-10-02 23:35:17,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 23:35:17,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 23:35:17,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 23:35:17,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 23:35:17,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:35:17" (1/1) ... [2019-10-02 23:35:17,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:35:17" (1/1) ... [2019-10-02 23:35:17,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:35:17" (1/1) ... [2019-10-02 23:35:17,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:35:17" (1/1) ... [2019-10-02 23:35:17,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:35:17" (1/1) ... [2019-10-02 23:35:17,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:35:17" (1/1) ... [2019-10-02 23:35:17,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:35:17" (1/1) ... [2019-10-02 23:35:17,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 23:35:17,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 23:35:17,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 23:35:17,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 23:35:17,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:35:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-10-02 23:35:17,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 23:35:17,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 23:35:17,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~int [2019-10-02 23:35:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-02 23:35:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-02 23:35:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-10-02 23:35:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-02 23:35:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-02 23:35:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-02 23:35:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-02 23:35:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-02 23:35:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-02 23:35:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-02 23:35:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-02 23:35:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-02 23:35:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-02 23:35:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-10-02 23:35:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-02 23:35:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-02 23:35:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_adapdata [2019-10-02 23:35:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_adapdata [2019-10-02 23:35:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure to_saa7146_dev [2019-10-02 23:35:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_DISABLE [2019-10-02 23:35:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_ENABLE [2019-10-02 23:35:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_func [2019-10-02 23:35:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_status [2019-10-02 23:35:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_msg_prepare [2019-10-02 23:35:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_msg_cleanup [2019-10-02 23:35:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_reset [2019-10-02 23:35:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_writeout [2019-10-02 23:35:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_transfer [2019-10-02 23:35:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_xfer [2019-10-02 23:35:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_adapter_prepare [2019-10-02 23:35:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 23:35:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-02 23:35:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-02 23:35:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-02 23:35:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-02 23:35:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-02 23:35:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-02 23:35:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-02 23:35:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-10-02 23:35:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-02 23:35:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2019-10-02 23:35:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-02 23:35:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-02 23:35:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-02 23:35:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-02 23:35:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-02 23:35:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 23:35:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-02 23:35:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-02 23:35:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2019-10-02 23:35:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2019-10-02 23:35:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-02 23:35:17,702 INFO L138 BoogieDeclarations]: Found implementation of procedure PageHighMem [2019-10-02 23:35:17,702 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-02 23:35:17,702 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2019-10-02 23:35:17,702 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2019-10-02 23:35:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2019-10-02 23:35:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt [2019-10-02 23:35:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-10-02 23:35:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-10-02 23:35:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-10-02 23:35:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-02 23:35:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_sg_attrs [2019-10-02 23:35:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_sg_attrs [2019-10-02 23:35:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-10-02 23:35:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-10-02 23:35:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-02 23:35:17,705 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-02 23:35:17,705 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-10-02 23:35:17,705 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-02 23:35:17,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_sg [2019-10-02 23:35:17,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_sg [2019-10-02 23:35:17,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-02 23:35:17,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-02 23:35:17,706 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-02 23:35:17,706 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_setgpio [2019-10-02 23:35:17,707 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_wait_for_debi_done_sleep [2019-10-02 23:35:17,707 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_wait_for_debi_done_busyloop [2019-10-02 23:35:17,707 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_wait_for_debi_done [2019-10-02 23:35:17,707 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_sg [2019-10-02 23:35:17,708 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_vmalloc_build_pgtable [2019-10-02 23:35:17,708 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_vfree_destroy_pgtable [2019-10-02 23:35:17,709 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_free [2019-10-02 23:35:17,709 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_alloc [2019-10-02 23:35:17,710 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_build_single [2019-10-02 23:35:17,710 INFO L138 BoogieDeclarations]: Found implementation of procedure interrupt_hw [2019-10-02 23:35:17,710 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_init_one [2019-10-02 23:35:17,710 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_remove_one [2019-10-02 23:35:17,710 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_register_extension [2019-10-02 23:35:17,710 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_unregister_extension [2019-10-02 23:35:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2019-10-02 23:35:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2019-10-02 23:35:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2019-10-02 23:35:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_26 [2019-10-02 23:35:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-10-02 23:35:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2019-10-02 23:35:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-10-02 23:35:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 23:35:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 23:35:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i2c_lock_of_saa7146_dev [2019-10-02 23:35:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i2c_lock_of_saa7146_dev [2019-10-02 23:35:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i2c_lock_of_saa7146_dev [2019-10-02 23:35:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i2c_lock_of_saa7146_dev [2019-10-02 23:35:17,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i2c_lock_of_saa7146_dev [2019-10-02 23:35:17,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i2c_lock_of_saa7146_dev [2019-10-02 23:35:17,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i2c_lock_of_saa7146_dev [2019-10-02 23:35:17,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-02 23:35:17,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-02 23:35:17,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-02 23:35:17,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-02 23:35:17,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-02 23:35:17,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-02 23:35:17,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-02 23:35:17,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2019-10-02 23:35:17,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2019-10-02 23:35:17,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-02 23:35:17,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2019-10-02 23:35:17,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-02 23:35:17,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2019-10-02 23:35:17,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2019-10-02 23:35:17,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-02 23:35:17,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-02 23:35:17,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-02 23:35:17,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-02 23:35:17,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-02 23:35:17,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-02 23:35:17,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-02 23:35:17,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2019-10-02 23:35:17,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2019-10-02 23:35:17,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2019-10-02 23:35:17,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2019-10-02 23:35:17,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2019-10-02 23:35:17,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2019-10-02 23:35:17,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2019-10-02 23:35:17,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 23:35:17,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 23:35:17,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-02 23:35:17,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-02 23:35:17,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-02 23:35:17,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-02 23:35:17,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-02 23:35:17,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-02 23:35:17,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-02 23:35:17,732 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-02 23:35:17,732 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-02 23:35:17,732 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-10-02 23:35:17,732 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-10-02 23:35:17,733 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_sg [2019-10-02 23:35:17,733 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_sg [2019-10-02 23:35:17,733 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-02 23:35:17,733 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-02 23:35:17,733 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-02 23:35:17,733 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-02 23:35:17,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-02 23:35:17,733 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-02 23:35:17,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-10-02 23:35:17,734 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-02 23:35:17,734 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-02 23:35:17,734 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-02 23:35:17,734 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-02 23:35:17,734 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-02 23:35:17,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-02 23:35:17,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-02 23:35:17,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2019-10-02 23:35:17,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2019-10-02 23:35:17,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-02 23:35:17,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-02 23:35:17,735 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-10-02 23:35:17,735 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-02 23:35:17,735 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-02 23:35:17,736 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-10-02 23:35:17,736 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2019-10-02 23:35:17,736 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2019-10-02 23:35:17,736 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2019-10-02 23:35:17,736 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2019-10-02 23:35:17,736 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_32 [2019-10-02 23:35:17,736 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_page [2019-10-02 23:35:17,737 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-02 23:35:17,737 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 23:35:17,737 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 23:35:17,737 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 23:35:17,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 23:35:17,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 23:35:17,738 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-02 23:35:17,738 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-02 23:35:17,738 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-02 23:35:17,738 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-02 23:35:17,738 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-02 23:35:17,738 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 23:35:17,739 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-02 23:35:17,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-02 23:35:17,739 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-02 23:35:17,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-02 23:35:17,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-02 23:35:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-02 23:35:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-02 23:35:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-02 23:35:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-02 23:35:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2019-10-02 23:35:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-02 23:35:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-02 23:35:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-02 23:35:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-02 23:35:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-10-02 23:35:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i2c_lock_of_saa7146_dev [2019-10-02 23:35:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i2c_lock_of_saa7146_dev [2019-10-02 23:35:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-02 23:35:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-02 23:35:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-02 23:35:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2019-10-02 23:35:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-02 23:35:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-02 23:35:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-02 23:35:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2019-10-02 23:35:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2019-10-02 23:35:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-02 23:35:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-02 23:35:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-02 23:35:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-02 23:35:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-02 23:35:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-10-02 23:35:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-02 23:35:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-10-02 23:35:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-02 23:35:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-10-02 23:35:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-02 23:35:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-02 23:35:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-10-02 23:35:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-02 23:35:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 23:35:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-02 23:35:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-02 23:35:17,745 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-02 23:35:17,745 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_adapdata [2019-10-02 23:35:17,745 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_adapdata [2019-10-02 23:35:17,745 INFO L130 BoogieDeclarations]: Found specification of procedure to_saa7146_dev [2019-10-02 23:35:17,745 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_adapter_prepare [2019-10-02 23:35:17,745 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_DISABLE [2019-10-02 23:35:17,745 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_ENABLE [2019-10-02 23:35:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_func [2019-10-02 23:35:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_status [2019-10-02 23:35:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_msg_prepare [2019-10-02 23:35:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 23:35:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 23:35:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 23:35:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_msg_cleanup [2019-10-02 23:35:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_reset [2019-10-02 23:35:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 23:35:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 23:35:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 23:35:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_writeout [2019-10-02 23:35:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_transfer [2019-10-02 23:35:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_xfer [2019-10-02 23:35:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 23:35:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 23:35:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-10-02 23:35:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 23:35:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 23:35:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-02 23:35:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-02 23:35:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-02 23:35:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-02 23:35:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-02 23:35:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_26 [2019-10-02 23:35:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2019-10-02 23:35:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-10-02 23:35:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-10-02 23:35:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2019-10-02 23:35:17,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2019-10-02 23:35:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2019-10-02 23:35:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-02 23:35:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-02 23:35:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-02 23:35:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2019-10-02 23:35:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-02 23:35:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-02 23:35:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-02 23:35:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_32 [2019-10-02 23:35:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2019-10-02 23:35:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 23:35:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 23:35:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 23:35:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-02 23:35:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 23:35:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 23:35:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-02 23:35:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-02 23:35:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2019-10-02 23:35:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2019-10-02 23:35:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-02 23:35:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-02 23:35:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-02 23:35:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-02 23:35:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2019-10-02 23:35:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2019-10-02 23:35:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-02 23:35:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-02 23:35:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure PageHighMem [2019-10-02 23:35:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_page [2019-10-02 23:35:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-02 23:35:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2019-10-02 23:35:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2019-10-02 23:35:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2019-10-02 23:35:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt [2019-10-02 23:35:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2019-10-02 23:35:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2019-10-02 23:35:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-10-02 23:35:17,762 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-10-02 23:35:17,762 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-10-02 23:35:17,762 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_sg [2019-10-02 23:35:17,762 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_sg [2019-10-02 23:35:17,762 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-10-02 23:35:17,762 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-10-02 23:35:17,762 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-02 23:35:17,762 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_sg_attrs [2019-10-02 23:35:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~int [2019-10-02 23:35:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_sg_attrs [2019-10-02 23:35:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-02 23:35:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-10-02 23:35:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-10-02 23:35:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-02 23:35:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-02 23:35:17,764 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-02 23:35:17,764 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-10-02 23:35:17,764 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-10-02 23:35:17,764 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-02 23:35:17,764 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_sg [2019-10-02 23:35:17,764 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_sg [2019-10-02 23:35:17,764 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-02 23:35:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-02 23:35:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-02 23:35:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-02 23:35:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-02 23:35:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_register_extension [2019-10-02 23:35:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_unregister_extension [2019-10-02 23:35:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_alloc [2019-10-02 23:35:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_free [2019-10-02 23:35:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_build_single [2019-10-02 23:35:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_vmalloc_build_pgtable [2019-10-02 23:35:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_vfree_destroy_pgtable [2019-10-02 23:35:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_setgpio [2019-10-02 23:35:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_wait_for_debi_done [2019-10-02 23:35:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_wait_for_debi_done_sleep [2019-10-02 23:35:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_wait_for_debi_done_busyloop [2019-10-02 23:35:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_sg [2019-10-02 23:35:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure interrupt_hw [2019-10-02 23:35:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-02 23:35:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-02 23:35:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_init_one [2019-10-02 23:35:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-02 23:35:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-02 23:35:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_remove_one [2019-10-02 23:35:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 23:35:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i2c_lock_of_saa7146_dev [2019-10-02 23:35:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i2c_lock_of_saa7146_dev [2019-10-02 23:35:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i2c_lock_of_saa7146_dev [2019-10-02 23:35:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i2c_lock_of_saa7146_dev [2019-10-02 23:35:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i2c_lock_of_saa7146_dev [2019-10-02 23:35:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-02 23:35:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-02 23:35:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-02 23:35:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-02 23:35:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-02 23:35:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2019-10-02 23:35:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2019-10-02 23:35:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2019-10-02 23:35:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-02 23:35:17,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2019-10-02 23:35:17,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-02 23:35:17,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-02 23:35:17,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-02 23:35:17,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-02 23:35:17,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2019-10-02 23:35:17,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2019-10-02 23:35:17,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2019-10-02 23:35:17,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2019-10-02 23:35:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2019-10-02 23:35:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 23:35:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 23:35:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-02 23:35:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 23:35:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 23:35:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 23:35:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 23:35:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 23:35:28,104 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 23:35:28,105 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-02 23:35:28,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:35:28 BoogieIcfgContainer [2019-10-02 23:35:28,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 23:35:28,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 23:35:28,108 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 23:35:28,112 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 23:35:28,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 11:35:14" (1/3) ... [2019-10-02 23:35:28,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@677f7e54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 11:35:28, skipping insertion in model container [2019-10-02 23:35:28,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:35:17" (2/3) ... [2019-10-02 23:35:28,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@677f7e54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 11:35:28, skipping insertion in model container [2019-10-02 23:35:28,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:35:28" (3/3) ... [2019-10-02 23:35:28,116 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i [2019-10-02 23:35:28,127 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 23:35:28,141 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 23:35:28,159 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 23:35:28,192 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 23:35:28,192 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-02 23:35:28,192 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 23:35:28,192 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 23:35:28,193 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 23:35:28,193 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 23:35:28,193 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 23:35:28,193 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 23:35:28,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states. [2019-10-02 23:35:28,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-02 23:35:28,258 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:35:28,259 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:35:28,262 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:35:28,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:35:28,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1245454512, now seen corresponding path program 1 times [2019-10-02 23:35:28,270 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:35:28,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:28,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:35:28,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:28,409 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:35:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:35:29,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:35:29,022 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:35:29,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:35:29,023 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:35:29,028 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:35:29,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:35:29,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:35:29,046 INFO L87 Difference]: Start difference. First operand 1315 states. Second operand 3 states. [2019-10-02 23:35:32,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:35:32,558 INFO L93 Difference]: Finished difference Result 865 states and 1175 transitions. [2019-10-02 23:35:32,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:35:32,560 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-10-02 23:35:32,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:35:32,597 INFO L225 Difference]: With dead ends: 865 [2019-10-02 23:35:32,597 INFO L226 Difference]: Without dead ends: 858 [2019-10-02 23:35:32,600 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:35:32,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2019-10-02 23:35:32,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 855. [2019-10-02 23:35:32,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 855 states. [2019-10-02 23:35:32,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1165 transitions. [2019-10-02 23:35:32,752 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1165 transitions. Word has length 16 [2019-10-02 23:35:32,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:35:32,752 INFO L475 AbstractCegarLoop]: Abstraction has 855 states and 1165 transitions. [2019-10-02 23:35:32,752 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:35:32,752 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1165 transitions. [2019-10-02 23:35:32,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-02 23:35:32,754 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:35:32,754 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:35:32,754 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:35:32,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:35:32,755 INFO L82 PathProgramCache]: Analyzing trace with hash -46338647, now seen corresponding path program 1 times [2019-10-02 23:35:32,755 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:35:32,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:32,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:35:32,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:32,769 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:35:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:35:32,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:35:32,976 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:35:32,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:35:32,976 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:35:32,977 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:35:32,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:35:32,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:35:32,978 INFO L87 Difference]: Start difference. First operand 855 states and 1165 transitions. Second operand 3 states. [2019-10-02 23:35:35,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:35:35,861 INFO L93 Difference]: Finished difference Result 854 states and 1163 transitions. [2019-10-02 23:35:35,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:35:35,862 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-02 23:35:35,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:35:35,868 INFO L225 Difference]: With dead ends: 854 [2019-10-02 23:35:35,868 INFO L226 Difference]: Without dead ends: 854 [2019-10-02 23:35:35,869 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:35:35,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2019-10-02 23:35:35,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 854. [2019-10-02 23:35:35,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 854 states. [2019-10-02 23:35:35,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 1163 transitions. [2019-10-02 23:35:35,912 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 1163 transitions. Word has length 17 [2019-10-02 23:35:35,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:35:35,913 INFO L475 AbstractCegarLoop]: Abstraction has 854 states and 1163 transitions. [2019-10-02 23:35:35,913 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:35:35,913 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1163 transitions. [2019-10-02 23:35:35,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-02 23:35:35,914 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:35:35,914 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:35:35,914 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:35:35,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:35:35,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1437216045, now seen corresponding path program 1 times [2019-10-02 23:35:35,915 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:35:35,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:35,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:35:35,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:35,927 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:35:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:35:36,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:35:36,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:35:36,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:35:36,130 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:35:36,130 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:35:36,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:35:36,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:35:36,131 INFO L87 Difference]: Start difference. First operand 854 states and 1163 transitions. Second operand 3 states. [2019-10-02 23:35:38,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:35:38,850 INFO L93 Difference]: Finished difference Result 853 states and 1161 transitions. [2019-10-02 23:35:38,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:35:38,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-10-02 23:35:38,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:35:38,856 INFO L225 Difference]: With dead ends: 853 [2019-10-02 23:35:38,856 INFO L226 Difference]: Without dead ends: 853 [2019-10-02 23:35:38,856 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:35:38,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2019-10-02 23:35:38,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 853. [2019-10-02 23:35:38,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 853 states. [2019-10-02 23:35:38,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1161 transitions. [2019-10-02 23:35:38,890 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1161 transitions. Word has length 18 [2019-10-02 23:35:38,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:35:38,890 INFO L475 AbstractCegarLoop]: Abstraction has 853 states and 1161 transitions. [2019-10-02 23:35:38,891 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:35:38,891 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1161 transitions. [2019-10-02 23:35:38,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-02 23:35:38,892 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:35:38,892 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:35:38,892 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:35:38,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:35:38,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1604737556, now seen corresponding path program 1 times [2019-10-02 23:35:38,892 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:35:38,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:38,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:35:38,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:38,904 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:35:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:35:39,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:35:39,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:35:39,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:35:39,085 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:35:39,085 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:35:39,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:35:39,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:35:39,086 INFO L87 Difference]: Start difference. First operand 853 states and 1161 transitions. Second operand 3 states. [2019-10-02 23:35:41,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:35:41,809 INFO L93 Difference]: Finished difference Result 852 states and 1159 transitions. [2019-10-02 23:35:41,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:35:41,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-02 23:35:41,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:35:41,815 INFO L225 Difference]: With dead ends: 852 [2019-10-02 23:35:41,816 INFO L226 Difference]: Without dead ends: 852 [2019-10-02 23:35:41,816 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:35:41,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2019-10-02 23:35:41,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 852. [2019-10-02 23:35:41,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2019-10-02 23:35:41,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1159 transitions. [2019-10-02 23:35:41,877 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1159 transitions. Word has length 19 [2019-10-02 23:35:41,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:35:41,878 INFO L475 AbstractCegarLoop]: Abstraction has 852 states and 1159 transitions. [2019-10-02 23:35:41,878 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:35:41,878 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1159 transitions. [2019-10-02 23:35:41,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-02 23:35:41,879 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:35:41,879 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:35:41,879 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:35:41,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:35:41,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1792035062, now seen corresponding path program 1 times [2019-10-02 23:35:41,880 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:35:41,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:41,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:35:41,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:41,893 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:35:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:35:42,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:35:42,140 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:35:42,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:35:42,140 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:35:42,141 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:35:42,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:35:42,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:35:42,141 INFO L87 Difference]: Start difference. First operand 852 states and 1159 transitions. Second operand 3 states. [2019-10-02 23:35:44,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:35:44,708 INFO L93 Difference]: Finished difference Result 851 states and 1157 transitions. [2019-10-02 23:35:44,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:35:44,866 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-10-02 23:35:44,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:35:44,871 INFO L225 Difference]: With dead ends: 851 [2019-10-02 23:35:44,871 INFO L226 Difference]: Without dead ends: 845 [2019-10-02 23:35:44,872 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:35:44,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2019-10-02 23:35:44,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 845. [2019-10-02 23:35:44,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2019-10-02 23:35:44,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1150 transitions. [2019-10-02 23:35:44,899 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1150 transitions. Word has length 20 [2019-10-02 23:35:44,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:35:44,899 INFO L475 AbstractCegarLoop]: Abstraction has 845 states and 1150 transitions. [2019-10-02 23:35:44,899 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:35:44,899 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1150 transitions. [2019-10-02 23:35:44,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-02 23:35:44,902 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:35:44,902 INFO L411 BasicCegarLoop]: trace histogram [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] [2019-10-02 23:35:44,903 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:35:44,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:35:44,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1605539161, now seen corresponding path program 1 times [2019-10-02 23:35:44,903 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:35:44,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:44,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:35:44,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:44,925 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:35:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:35:45,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:35:45,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:35:45,294 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 23:35:45,294 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:35:45,294 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 23:35:45,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 23:35:45,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:35:45,295 INFO L87 Difference]: Start difference. First operand 845 states and 1150 transitions. Second operand 7 states. [2019-10-02 23:35:45,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:35:45,360 INFO L93 Difference]: Finished difference Result 787 states and 1077 transitions. [2019-10-02 23:35:45,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 23:35:45,360 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2019-10-02 23:35:45,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:35:45,365 INFO L225 Difference]: With dead ends: 787 [2019-10-02 23:35:45,366 INFO L226 Difference]: Without dead ends: 787 [2019-10-02 23:35:45,366 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:35:45,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2019-10-02 23:35:45,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 785. [2019-10-02 23:35:45,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2019-10-02 23:35:45,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1075 transitions. [2019-10-02 23:35:45,399 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1075 transitions. Word has length 72 [2019-10-02 23:35:45,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:35:45,402 INFO L475 AbstractCegarLoop]: Abstraction has 785 states and 1075 transitions. [2019-10-02 23:35:45,402 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 23:35:45,402 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1075 transitions. [2019-10-02 23:35:45,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-02 23:35:45,410 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:35:45,411 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:35:45,411 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:35:45,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:35:45,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1223677315, now seen corresponding path program 1 times [2019-10-02 23:35:45,412 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:35:45,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:45,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:35:45,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:45,426 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:35:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:35:45,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:35:45,850 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:35:45,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 23:35:45,850 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:35:45,851 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 23:35:45,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 23:35:45,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 23:35:45,852 INFO L87 Difference]: Start difference. First operand 785 states and 1075 transitions. Second operand 4 states. [2019-10-02 23:35:45,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:35:45,912 INFO L93 Difference]: Finished difference Result 813 states and 1113 transitions. [2019-10-02 23:35:45,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 23:35:45,913 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 78 [2019-10-02 23:35:45,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:35:45,917 INFO L225 Difference]: With dead ends: 813 [2019-10-02 23:35:45,918 INFO L226 Difference]: Without dead ends: 813 [2019-10-02 23:35:45,918 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 23:35:45,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2019-10-02 23:35:45,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 789. [2019-10-02 23:35:45,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2019-10-02 23:35:45,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1081 transitions. [2019-10-02 23:35:45,943 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1081 transitions. Word has length 78 [2019-10-02 23:35:45,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:35:45,944 INFO L475 AbstractCegarLoop]: Abstraction has 789 states and 1081 transitions. [2019-10-02 23:35:45,944 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 23:35:45,944 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1081 transitions. [2019-10-02 23:35:45,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-02 23:35:45,946 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:35:45,947 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:35:45,947 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:35:45,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:35:45,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1064377439, now seen corresponding path program 1 times [2019-10-02 23:35:45,948 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:35:45,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:45,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:35:45,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:45,959 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:35:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:35:46,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:35:46,321 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 23:35:46,321 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-02 23:35:46,322 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 81 with the following transitions: [2019-10-02 23:35:46,325 INFO L207 CegarAbsIntRunner]: [296], [297], [298], [300], [301], [567], [572], [592], [670], [671], [743], [744], [785], [788], [793], [796], [798], [840], [961], [963], [964], [1035], [1037], [1039], [1040], [1083], [1084], [1203], [1204], [1245], [1247], [1251], [1253], [1256], [1284], [1306], [1308], [1310], [1617], [1620], [1623], [1645], [1648], [1676], [1678], [1682], [1704], [1706], [1709], [1843], [1858], [2054], [2563], [2564], [2643], [2753], [2754], [2785], [2786], [2787], [2788], [2847], [2848], [2849], [2850], [2851], [2915], [2916], [2917], [2918], [2919], [2929], [2930], [2933], [2934], [2955], [3009], [3165], [3166], [3167] [2019-10-02 23:35:46,371 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-02 23:35:46,371 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-02 23:35:46,689 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-02 23:35:46,690 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 409 root evaluator evaluations with a maximum evaluation depth of 0. Performed 409 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 816 variables. [2019-10-02 23:35:46,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:35:46,695 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-02 23:35:46,741 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-02 23:35:46,741 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-02 23:35:46,744 INFO L420 sIntCurrentIteration]: We unified 79 AI predicates to 79 [2019-10-02 23:35:46,744 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-02 23:35:46,745 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 23:35:46,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 8 [2019-10-02 23:35:46,745 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:35:46,746 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-02 23:35:46,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-02 23:35:46,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 23:35:46,747 INFO L87 Difference]: Start difference. First operand 789 states and 1081 transitions. Second operand 2 states. [2019-10-02 23:35:46,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:35:46,747 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-02 23:35:46,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-02 23:35:46,747 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 80 [2019-10-02 23:35:46,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:35:46,748 INFO L225 Difference]: With dead ends: 2 [2019-10-02 23:35:46,748 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 23:35:46,748 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 23:35:46,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 23:35:46,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 23:35:46,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 23:35:46,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 23:35:46,749 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 80 [2019-10-02 23:35:46,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:35:46,749 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 23:35:46,749 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-02 23:35:46,749 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 23:35:46,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 23:35:46,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 11:35:46 BoogieIcfgContainer [2019-10-02 23:35:46,755 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 23:35:46,757 INFO L168 Benchmark]: Toolchain (without parser) took 32239.66 ms. Allocated memory was 131.6 MB in the beginning and 644.9 MB in the end (delta: 513.3 MB). Free memory was 77.5 MB in the beginning and 326.8 MB in the end (delta: -249.4 MB). Peak memory consumption was 263.9 MB. Max. memory is 7.1 GB. [2019-10-02 23:35:46,758 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-02 23:35:46,759 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2734.32 ms. Allocated memory was 131.6 MB in the beginning and 277.9 MB in the end (delta: 146.3 MB). Free memory was 77.2 MB in the beginning and 181.7 MB in the end (delta: -104.4 MB). Peak memory consumption was 119.5 MB. Max. memory is 7.1 GB. [2019-10-02 23:35:46,760 INFO L168 Benchmark]: Boogie Preprocessor took 343.76 ms. Allocated memory is still 277.9 MB. Free memory was 181.7 MB in the beginning and 155.8 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-10-02 23:35:46,761 INFO L168 Benchmark]: RCFGBuilder took 10510.82 ms. Allocated memory was 277.9 MB in the beginning and 630.2 MB in the end (delta: 352.3 MB). Free memory was 155.8 MB in the beginning and 527.6 MB in the end (delta: -371.8 MB). Peak memory consumption was 399.3 MB. Max. memory is 7.1 GB. [2019-10-02 23:35:46,762 INFO L168 Benchmark]: TraceAbstraction took 18646.42 ms. Allocated memory was 630.2 MB in the beginning and 644.9 MB in the end (delta: 14.7 MB). Free memory was 527.6 MB in the beginning and 326.8 MB in the end (delta: 200.8 MB). Peak memory consumption was 215.4 MB. Max. memory is 7.1 GB. [2019-10-02 23:35:46,766 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2734.32 ms. Allocated memory was 131.6 MB in the beginning and 277.9 MB in the end (delta: 146.3 MB). Free memory was 77.2 MB in the beginning and 181.7 MB in the end (delta: -104.4 MB). Peak memory consumption was 119.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 343.76 ms. Allocated memory is still 277.9 MB. Free memory was 181.7 MB in the beginning and 155.8 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10510.82 ms. Allocated memory was 277.9 MB in the beginning and 630.2 MB in the end (delta: 352.3 MB). Free memory was 155.8 MB in the beginning and 527.6 MB in the end (delta: -371.8 MB). Peak memory consumption was 399.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18646.42 ms. Allocated memory was 630.2 MB in the beginning and 644.9 MB in the end (delta: 14.7 MB). Free memory was 527.6 MB in the beginning and 326.8 MB in the end (delta: 200.8 MB). Peak memory consumption was 215.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6985]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 184 procedures, 1499 locations, 1 error locations. SAFE Result, 18.5s OverallTime, 8 OverallIterations, 2 TraceHistogramMax, 14.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4656 SDtfs, 2988 SDslu, 4561 SDs, 0 SdLazy, 46 SolverSat, 7 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 13.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1315occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 7.3544303797468356 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 29 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 320 NumberOfCodeBlocks, 320 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 312 ConstructedInterpolants, 0 QuantifiedInterpolants, 24263 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 2/3 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...