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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 02:53:32,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:53:32,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:53:32,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:53:32,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:53:32,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:53:32,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:53:32,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:53:32,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:53:32,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:53:32,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:53:32,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:53:32,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:53:32,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:53:32,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:53:32,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:53:32,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:53:32,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:53:32,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:53:33,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:53:33,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:53:33,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:53:33,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:53:33,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:53:33,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 02:53:33,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 02:53:33,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 02:53:33,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 02:53:33,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 02:53:33,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 02:53:33,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 02:53:33,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 02:53:33,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 02:53:33,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 02:53:33,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 02:53:33,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 02:53:33,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 02:53:33,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 02:53:33,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:53:33,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:53:33,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:53:33,033 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 02:53:33,050 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:53:33,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:53:33,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:53:33,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:53:33,052 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:53:33,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:53:33,053 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:53:33,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:53:33,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:53:33,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:53:33,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:53:33,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:53:33,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:53:33,054 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:53:33,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:53:33,054 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:53:33,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:53:33,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:53:33,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:53:33,055 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:53:33,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:53:33,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:53:33,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:53:33,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:53:33,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:53:33,057 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:53:33,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:53:33,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:53:33,057 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 02:53:33,355 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:53:33,369 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:53:33,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:53:33,377 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:53:33,378 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:53:33,379 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2019-10-15 02:53:33,453 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a4b1e8ea/e5efba35c3474c9a8a0f2bf305240ceb/FLAGe44c95f36 [2019-10-15 02:53:34,236 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:53:34,237 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2019-10-15 02:53:34,275 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a4b1e8ea/e5efba35c3474c9a8a0f2bf305240ceb/FLAGe44c95f36 [2019-10-15 02:53:34,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a4b1e8ea/e5efba35c3474c9a8a0f2bf305240ceb [2019-10-15 02:53:34,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:53:34,307 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:53:34,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:53:34,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:53:34,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:53:34,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:53:34" (1/1) ... [2019-10-15 02:53:34,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45070ce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:53:34, skipping insertion in model container [2019-10-15 02:53:34,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:53:34" (1/1) ... [2019-10-15 02:53:34,324 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:53:34,452 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:53:36,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:53:36,293 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 02:53:36,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:53:36,966 INFO L192 MainTranslator]: Completed translation [2019-10-15 02:53:36,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:53:36 WrapperNode [2019-10-15 02:53:36,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 02:53:36,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 02:53:36,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 02:53:36,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 02:53:36,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:53:36" (1/1) ... [2019-10-15 02:53:36,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:53:36" (1/1) ... [2019-10-15 02:53:37,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:53:36" (1/1) ... [2019-10-15 02:53:37,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:53:36" (1/1) ... [2019-10-15 02:53:37,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:53:36" (1/1) ... [2019-10-15 02:53:37,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:53:36" (1/1) ... [2019-10-15 02:53:37,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:53:36" (1/1) ... [2019-10-15 02:53:37,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 02:53:37,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 02:53:37,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 02:53:37,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 02:53:37,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:53:36" (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 [2019-10-15 02:53:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 02:53:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 02:53:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-15 02:53:37,361 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-15 02:53:37,361 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-15 02:53:37,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-15 02:53:37,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 02:53:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 02:53:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-15 02:53:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-15 02:53:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 02:53:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 02:53:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 02:53:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 02:53:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 02:53:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-15 02:53:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-15 02:53:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-15 02:53:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-10-15 02:53:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-15 02:53:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-15 02:53:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-15 02:53:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-10-15 02:53:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-15 02:53:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-15 02:53:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-15 02:53:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-15 02:53:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-15 02:53:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-15 02:53:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-15 02:53:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure inbyte [2019-10-15 02:53:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nibble [2019-10-15 02:53:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure read_byte_mode0 [2019-10-15 02:53:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure read_byte_mode2 [2019-10-15 02:53:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure read_byte_mode4 [2019-10-15 02:53:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure read_byte_mode6 [2019-10-15 02:53:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2019-10-15 02:53:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg_high [2019-10-15 02:53:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg_byte [2019-10-15 02:53:37,368 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_mode0 [2019-10-15 02:53:37,368 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_mode1 [2019-10-15 02:53:37,368 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_init [2019-10-15 02:53:37,368 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_probe1 [2019-10-15 02:53:37,368 INFO L138 BoogieDeclarations]: Found implementation of procedure get_node_ID [2019-10-15 02:53:37,368 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_op [2019-10-15 02:53:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure net_open [2019-10-15 02:53:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure hardware_init [2019-10-15 02:53:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_send [2019-10-15 02:53:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure write_packet [2019-10-15 02:53:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_timeout [2019-10-15 02:53:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_send_packet [2019-10-15 02:53:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_interrupt [2019-10-15 02:53:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_timed_checker [2019-10-15 02:53:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure net_rx [2019-10-15 02:53:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure read_block [2019-10-15 02:53:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure net_close [2019-10-15 02:53:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2019-10-15 02:53:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_init_module [2019-10-15 02:53:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_cleanup_module [2019-10-15 02:53:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-15 02:53:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-15 02:53:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-15 02:53:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-15 02:53:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-15 02:53:37,372 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-15 02:53:37,372 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-15 02:53:37,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-15 02:53:37,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_3 [2019-10-15 02:53:37,372 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-15 02:53:37,372 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 02:53:37,372 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-15 02:53:37,373 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-15 02:53:37,373 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-15 02:53:37,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-15 02:53:37,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2019-10-15 02:53:37,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2019-10-15 02:53:37,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2019-10-15 02:53:37,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2019-10-15 02:53:37,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2019-10-15 02:53:37,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2019-10-15 02:53:37,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2019-10-15 02:53:37,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2019-10-15 02:53:37,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2019-10-15 02:53:37,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_37 [2019-10-15 02:53:37,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_38 [2019-10-15 02:53:37,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_39 [2019-10-15 02:53:37,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_40 [2019-10-15 02:53:37,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_41 [2019-10-15 02:53:37,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_42 [2019-10-15 02:53:37,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_43 [2019-10-15 02:53:37,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 02:53:37,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 02:53:37,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 02:53:37,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 02:53:37,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 02:53:37,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-15 02:53:37,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-15 02:53:37,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-15 02:53:37,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-15 02:53:37,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-15 02:53:37,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-15 02:53:37,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 02:53:37,377 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-15 02:53:37,377 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-15 02:53:37,378 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:53:37,378 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-15 02:53:37,378 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-15 02:53:37,378 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-15 02:53:37,378 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-15 02:53:37,378 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-10-15 02:53:37,379 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-15 02:53:37,379 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-15 02:53:37,379 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-15 02:53:37,379 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-15 02:53:37,379 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-15 02:53:37,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 02:53:37,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 02:53:37,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_3 [2019-10-15 02:53:37,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_3 [2019-10-15 02:53:37,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-15 02:53:37,380 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-15 02:53:37,380 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-15 02:53:37,380 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 02:53:37,380 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-15 02:53:37,381 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-15 02:53:37,381 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-15 02:53:37,381 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-15 02:53:37,381 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 02:53:37,381 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 02:53:37,381 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 02:53:37,382 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 02:53:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 02:53:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-15 02:53:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-15 02:53:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-15 02:53:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 02:53:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-15 02:53:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-15 02:53:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 02:53:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 02:53:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 02:53:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 02:53:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 02:53:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 02:53:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 02:53:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 02:53:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 02:53:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 02:53:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 02:53:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-15 02:53:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-15 02:53:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 02:53:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 02:53:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 02:53:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 02:53:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 02:53:37,386 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 02:53:37,386 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-15 02:53:37,386 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-15 02:53:37,386 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:53:37,386 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 02:53:37,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-15 02:53:37,386 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-15 02:53:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-15 02:53:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-15 02:53:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-15 02:53:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-15 02:53:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-15 02:53:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-15 02:53:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_40 [2019-10-15 02:53:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-10-15 02:53:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-15 02:53:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-15 02:53:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-15 02:53:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-15 02:53:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-15 02:53:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-15 02:53:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-15 02:53:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-15 02:53:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-15 02:53:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-15 02:53:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-15 02:53:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_3 [2019-10-15 02:53:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-15 02:53:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-15 02:53:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-15 02:53:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_39 [2019-10-15 02:53:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-15 02:53:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_41 [2019-10-15 02:53:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-15 02:53:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2019-10-15 02:53:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2019-10-15 02:53:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2019-10-15 02:53:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2019-10-15 02:53:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2019-10-15 02:53:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2019-10-15 02:53:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-15 02:53:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-15 02:53:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 02:53:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 02:53:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 02:53:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 02:53:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2019-10-15 02:53:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2019-10-15 02:53:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2019-10-15 02:53:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-10-15 02:53:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-15 02:53:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-15 02:53:37,393 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-15 02:53:37,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_38 [2019-10-15 02:53:37,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_43 [2019-10-15 02:53:37,393 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-15 02:53:37,393 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-15 02:53:37,393 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-15 02:53:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-15 02:53:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-15 02:53:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-15 02:53:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-15 02:53:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-15 02:53:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_37 [2019-10-15 02:53:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-15 02:53:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_42 [2019-10-15 02:53:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-15 02:53:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-15 02:53:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-10-15 02:53:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-15 02:53:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-15 02:53:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure inbyte [2019-10-15 02:53:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure read_nibble [2019-10-15 02:53:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure read_byte_mode0 [2019-10-15 02:53:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure read_byte_mode2 [2019-10-15 02:53:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure read_byte_mode4 [2019-10-15 02:53:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure read_byte_mode6 [2019-10-15 02:53:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2019-10-15 02:53:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg_high [2019-10-15 02:53:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg_byte [2019-10-15 02:53:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_mode0 [2019-10-15 02:53:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_mode1 [2019-10-15 02:53:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure atp_timed_checker [2019-10-15 02:53:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure atp_probe1 [2019-10-15 02:53:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure get_node_ID [2019-10-15 02:53:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_op [2019-10-15 02:53:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure net_open [2019-10-15 02:53:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure hardware_init [2019-10-15 02:53:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure write_packet [2019-10-15 02:53:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_send [2019-10-15 02:53:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure atp_send_packet [2019-10-15 02:53:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure atp_interrupt [2019-10-15 02:53:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure net_rx [2019-10-15 02:53:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure read_block [2019-10-15 02:53:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure net_close [2019-10-15 02:53:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2019-10-15 02:53:37,399 INFO L130 BoogieDeclarations]: Found specification of procedure tx_timeout [2019-10-15 02:53:37,399 INFO L130 BoogieDeclarations]: Found specification of procedure atp_init [2019-10-15 02:53:37,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 02:53:37,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 02:53:37,399 INFO L130 BoogieDeclarations]: Found specification of procedure atp_init_module [2019-10-15 02:53:37,399 INFO L130 BoogieDeclarations]: Found specification of procedure atp_cleanup_module [2019-10-15 02:53:37,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_3 [2019-10-15 02:53:37,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 02:53:37,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 02:53:37,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_3 [2019-10-15 02:53:37,400 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-15 02:53:37,400 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 02:53:37,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 02:53:37,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 02:53:37,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 02:53:37,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 02:53:37,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 02:53:37,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-15 02:53:37,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-15 02:53:37,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-15 02:53:37,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-15 02:53:37,401 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 02:53:37,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-15 02:53:37,402 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 02:53:37,402 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 02:53:37,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 02:53:37,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 02:53:37,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 02:53:37,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 02:53:38,602 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 02:53:41,497 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 02:53:41,497 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 02:53:41,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:53:41 BoogieIcfgContainer [2019-10-15 02:53:41,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 02:53:41,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 02:53:41,502 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 02:53:41,505 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 02:53:41,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:53:34" (1/3) ... [2019-10-15 02:53:41,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ccba37f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:53:41, skipping insertion in model container [2019-10-15 02:53:41,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:53:36" (2/3) ... [2019-10-15 02:53:41,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ccba37f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:53:41, skipping insertion in model container [2019-10-15 02:53:41,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:53:41" (3/3) ... [2019-10-15 02:53:41,511 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2019-10-15 02:53:41,521 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 02:53:41,539 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 02:53:41,552 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 02:53:41,595 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 02:53:41,595 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 02:53:41,596 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 02:53:41,596 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 02:53:41,596 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 02:53:41,596 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 02:53:41,596 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 02:53:41,596 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 02:53:41,655 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states. [2019-10-15 02:53:41,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2019-10-15 02:53:41,697 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:53:41,698 INFO L380 BasicCegarLoop]: trace histogram [40, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:53:41,701 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:53:41,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:53:41,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1779509212, now seen corresponding path program 1 times [2019-10-15 02:53:41,717 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:53:41,717 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721476232] [2019-10-15 02:53:41,718 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:41,718 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:41,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:53:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:53:42,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2019-10-15 02:53:42,629 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721476232] [2019-10-15 02:53:42,630 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:53:42,631 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:53:42,631 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473071416] [2019-10-15 02:53:42,637 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:53:42,638 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:53:42,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:53:42,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:53:42,655 INFO L87 Difference]: Start difference. First operand 879 states. Second operand 5 states. [2019-10-15 02:53:43,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:53:43,076 INFO L93 Difference]: Finished difference Result 2480 states and 3374 transitions. [2019-10-15 02:53:43,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 02:53:43,078 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 281 [2019-10-15 02:53:43,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:53:43,111 INFO L225 Difference]: With dead ends: 2480 [2019-10-15 02:53:43,111 INFO L226 Difference]: Without dead ends: 1597 [2019-10-15 02:53:43,125 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-15 02:53:43,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1597 states. [2019-10-15 02:53:43,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1597 to 1582. [2019-10-15 02:53:43,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1582 states. [2019-10-15 02:53:43,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2140 transitions. [2019-10-15 02:53:43,405 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2140 transitions. Word has length 281 [2019-10-15 02:53:43,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:53:43,408 INFO L462 AbstractCegarLoop]: Abstraction has 1582 states and 2140 transitions. [2019-10-15 02:53:43,408 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 02:53:43,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2140 transitions. [2019-10-15 02:53:43,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2019-10-15 02:53:43,434 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:53:43,435 INFO L380 BasicCegarLoop]: trace histogram [33, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:53:43,435 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:53:43,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:53:43,436 INFO L82 PathProgramCache]: Analyzing trace with hash 941138748, now seen corresponding path program 1 times [2019-10-15 02:53:43,436 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:53:43,436 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198347081] [2019-10-15 02:53:43,437 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:43,437 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:43,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:53:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:53:43,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1143 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1143 trivial. 0 not checked. [2019-10-15 02:53:43,762 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198347081] [2019-10-15 02:53:43,763 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:53:43,763 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:53:43,763 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017218875] [2019-10-15 02:53:43,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:53:43,767 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:53:43,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:53:43,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:53:43,767 INFO L87 Difference]: Start difference. First operand 1582 states and 2140 transitions. Second operand 5 states. [2019-10-15 02:53:44,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:53:44,025 INFO L93 Difference]: Finished difference Result 3484 states and 4724 transitions. [2019-10-15 02:53:44,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 02:53:44,026 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 255 [2019-10-15 02:53:44,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:53:44,058 INFO L225 Difference]: With dead ends: 3484 [2019-10-15 02:53:44,058 INFO L226 Difference]: Without dead ends: 2383 [2019-10-15 02:53:44,070 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-15 02:53:44,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2383 states. [2019-10-15 02:53:44,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2383 to 2363. [2019-10-15 02:53:44,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2363 states. [2019-10-15 02:53:44,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2363 states to 2363 states and 3198 transitions. [2019-10-15 02:53:44,361 INFO L78 Accepts]: Start accepts. Automaton has 2363 states and 3198 transitions. Word has length 255 [2019-10-15 02:53:44,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:53:44,362 INFO L462 AbstractCegarLoop]: Abstraction has 2363 states and 3198 transitions. [2019-10-15 02:53:44,362 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 02:53:44,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2363 states and 3198 transitions. [2019-10-15 02:53:44,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-10-15 02:53:44,379 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:53:44,379 INFO L380 BasicCegarLoop]: trace histogram [33, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:53:44,380 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:53:44,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:53:44,381 INFO L82 PathProgramCache]: Analyzing trace with hash -870227043, now seen corresponding path program 1 times [2019-10-15 02:53:44,382 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:53:44,382 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113770365] [2019-10-15 02:53:44,384 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:44,384 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:44,384 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:53:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:53:44,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1143 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1143 trivial. 0 not checked. [2019-10-15 02:53:44,662 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113770365] [2019-10-15 02:53:44,662 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:53:44,663 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:53:44,663 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394645916] [2019-10-15 02:53:44,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:53:44,664 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:53:44,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:53:44,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:53:44,665 INFO L87 Difference]: Start difference. First operand 2363 states and 3198 transitions. Second operand 5 states. [2019-10-15 02:53:44,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:53:44,893 INFO L93 Difference]: Finished difference Result 4270 states and 5784 transitions. [2019-10-15 02:53:44,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 02:53:44,894 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 256 [2019-10-15 02:53:44,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:53:44,913 INFO L225 Difference]: With dead ends: 4270 [2019-10-15 02:53:44,913 INFO L226 Difference]: Without dead ends: 2387 [2019-10-15 02:53:44,924 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-15 02:53:44,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2387 states. [2019-10-15 02:53:45,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2387 to 2367. [2019-10-15 02:53:45,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2367 states. [2019-10-15 02:53:45,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 3200 transitions. [2019-10-15 02:53:45,137 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 3200 transitions. Word has length 256 [2019-10-15 02:53:45,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:53:45,137 INFO L462 AbstractCegarLoop]: Abstraction has 2367 states and 3200 transitions. [2019-10-15 02:53:45,138 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 02:53:45,138 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 3200 transitions. [2019-10-15 02:53:45,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-10-15 02:53:45,155 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:53:45,155 INFO L380 BasicCegarLoop]: trace histogram [33, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:53:45,156 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:53:45,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:53:45,156 INFO L82 PathProgramCache]: Analyzing trace with hash 815494201, now seen corresponding path program 1 times [2019-10-15 02:53:45,156 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:53:45,157 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649400055] [2019-10-15 02:53:45,157 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:45,157 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:45,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:53:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:53:45,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1143 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1143 trivial. 0 not checked. [2019-10-15 02:53:45,365 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649400055] [2019-10-15 02:53:45,365 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:53:45,365 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:53:45,366 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477681941] [2019-10-15 02:53:45,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:53:45,367 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:53:45,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:53:45,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:53:45,367 INFO L87 Difference]: Start difference. First operand 2367 states and 3200 transitions. Second operand 5 states. [2019-10-15 02:53:45,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:53:45,570 INFO L93 Difference]: Finished difference Result 4079 states and 5503 transitions. [2019-10-15 02:53:45,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 02:53:45,570 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 257 [2019-10-15 02:53:45,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:53:45,587 INFO L225 Difference]: With dead ends: 4079 [2019-10-15 02:53:45,587 INFO L226 Difference]: Without dead ends: 2191 [2019-10-15 02:53:45,597 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-15 02:53:45,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2191 states. [2019-10-15 02:53:45,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2191 to 2174. [2019-10-15 02:53:45,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2174 states. [2019-10-15 02:53:45,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 2174 states and 2919 transitions. [2019-10-15 02:53:45,721 INFO L78 Accepts]: Start accepts. Automaton has 2174 states and 2919 transitions. Word has length 257 [2019-10-15 02:53:45,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:53:45,721 INFO L462 AbstractCegarLoop]: Abstraction has 2174 states and 2919 transitions. [2019-10-15 02:53:45,721 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 02:53:45,722 INFO L276 IsEmpty]: Start isEmpty. Operand 2174 states and 2919 transitions. [2019-10-15 02:53:45,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2019-10-15 02:53:45,737 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:53:45,737 INFO L380 BasicCegarLoop]: trace histogram [33, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:53:45,738 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:53:45,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:53:45,738 INFO L82 PathProgramCache]: Analyzing trace with hash 926726023, now seen corresponding path program 1 times [2019-10-15 02:53:45,739 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:53:45,739 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769754191] [2019-10-15 02:53:45,739 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:45,739 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:45,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:53:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:53:46,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1147 trivial. 0 not checked. [2019-10-15 02:53:46,079 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769754191] [2019-10-15 02:53:46,079 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680827369] [2019-10-15 02:53:46,080 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 02:53:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:53:46,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 2415 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 02:53:46,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 02:53:47,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1143 trivial. 0 not checked. [2019-10-15 02:53:47,009 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 02:53:47,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1143 trivial. 0 not checked. [2019-10-15 02:53:47,527 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-15 02:53:47,527 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [9] total 14 [2019-10-15 02:53:47,527 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628323050] [2019-10-15 02:53:47,530 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 02:53:47,530 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:53:47,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 02:53:47,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2019-10-15 02:53:47,531 INFO L87 Difference]: Start difference. First operand 2174 states and 2919 transitions. Second operand 7 states. [2019-10-15 02:53:47,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:53:47,934 INFO L93 Difference]: Finished difference Result 5155 states and 6939 transitions. [2019-10-15 02:53:47,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-15 02:53:47,935 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 269 [2019-10-15 02:53:47,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:53:47,967 INFO L225 Difference]: With dead ends: 5155 [2019-10-15 02:53:47,967 INFO L226 Difference]: Without dead ends: 3580 [2019-10-15 02:53:47,978 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 558 GetRequests, 532 SyntacticMatches, 7 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2019-10-15 02:53:47,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3580 states. [2019-10-15 02:53:48,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3580 to 3546. [2019-10-15 02:53:48,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3546 states. [2019-10-15 02:53:48,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3546 states to 3546 states and 4770 transitions. [2019-10-15 02:53:48,238 INFO L78 Accepts]: Start accepts. Automaton has 3546 states and 4770 transitions. Word has length 269 [2019-10-15 02:53:48,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:53:48,239 INFO L462 AbstractCegarLoop]: Abstraction has 3546 states and 4770 transitions. [2019-10-15 02:53:48,239 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 02:53:48,239 INFO L276 IsEmpty]: Start isEmpty. Operand 3546 states and 4770 transitions. [2019-10-15 02:53:48,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2019-10-15 02:53:48,265 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:53:48,265 INFO L380 BasicCegarLoop]: trace histogram [40, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:53:48,477 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 02:53:48,478 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:53:48,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:53:48,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1670683702, now seen corresponding path program 1 times [2019-10-15 02:53:48,479 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:53:48,479 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391286703] [2019-10-15 02:53:48,479 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:48,479 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:48,480 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:53:48,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:53:48,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2019-10-15 02:53:48,957 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391286703] [2019-10-15 02:53:48,958 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091856824] [2019-10-15 02:53:48,958 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 02:53:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:53:49,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 2515 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 02:53:49,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 02:53:49,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2019-10-15 02:53:49,734 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 02:53:50,349 WARN L191 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2019-10-15 02:53:50,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2019-10-15 02:53:50,768 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-15 02:53:50,769 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [10] total 15 [2019-10-15 02:53:50,769 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764600347] [2019-10-15 02:53:50,770 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 02:53:50,770 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:53:50,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 02:53:50,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-15 02:53:50,770 INFO L87 Difference]: Start difference. First operand 3546 states and 4770 transitions. Second operand 7 states. [2019-10-15 02:53:51,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:53:51,188 INFO L93 Difference]: Finished difference Result 7910 states and 10654 transitions. [2019-10-15 02:53:51,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-15 02:53:51,189 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 297 [2019-10-15 02:53:51,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:53:51,228 INFO L225 Difference]: With dead ends: 7910 [2019-10-15 02:53:51,228 INFO L226 Difference]: Without dead ends: 4963 [2019-10-15 02:53:51,246 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 613 GetRequests, 586 SyntacticMatches, 7 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2019-10-15 02:53:51,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4963 states. [2019-10-15 02:53:51,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4963 to 4923. [2019-10-15 02:53:51,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4923 states. [2019-10-15 02:53:51,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4923 states to 4923 states and 6631 transitions. [2019-10-15 02:53:51,612 INFO L78 Accepts]: Start accepts. Automaton has 4923 states and 6631 transitions. Word has length 297 [2019-10-15 02:53:51,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:53:51,613 INFO L462 AbstractCegarLoop]: Abstraction has 4923 states and 6631 transitions. [2019-10-15 02:53:51,613 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 02:53:51,613 INFO L276 IsEmpty]: Start isEmpty. Operand 4923 states and 6631 transitions. [2019-10-15 02:53:51,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2019-10-15 02:53:51,656 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:53:51,657 INFO L380 BasicCegarLoop]: trace histogram [40, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:53:51,866 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 02:53:51,867 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:53:51,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:53:51,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1559268188, now seen corresponding path program 1 times [2019-10-15 02:53:51,868 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:53:51,868 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234299266] [2019-10-15 02:53:51,868 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:51,868 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:51,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:53:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:53:52,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2019-10-15 02:53:52,419 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234299266] [2019-10-15 02:53:52,419 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168858283] [2019-10-15 02:53:52,419 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 02:53:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:53:53,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 2517 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 02:53:53,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 02:53:53,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2019-10-15 02:53:53,263 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 02:53:53,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2019-10-15 02:53:53,737 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-15 02:53:53,738 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [10] total 15 [2019-10-15 02:53:53,738 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555808740] [2019-10-15 02:53:53,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 02:53:53,739 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:53:53,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 02:53:53,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-15 02:53:53,740 INFO L87 Difference]: Start difference. First operand 4923 states and 6631 transitions. Second operand 7 states. [2019-10-15 02:53:54,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:53:54,229 INFO L93 Difference]: Finished difference Result 10662 states and 14375 transitions. [2019-10-15 02:53:54,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-15 02:53:54,230 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 298 [2019-10-15 02:53:54,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:53:54,277 INFO L225 Difference]: With dead ends: 10662 [2019-10-15 02:53:54,277 INFO L226 Difference]: Without dead ends: 6338 [2019-10-15 02:53:54,301 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 615 GetRequests, 588 SyntacticMatches, 7 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2019-10-15 02:53:54,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6338 states. [2019-10-15 02:53:54,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6338 to 4924. [2019-10-15 02:53:54,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4924 states. [2019-10-15 02:53:54,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4924 states to 4924 states and 6632 transitions. [2019-10-15 02:53:54,631 INFO L78 Accepts]: Start accepts. Automaton has 4924 states and 6632 transitions. Word has length 298 [2019-10-15 02:53:54,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:53:54,632 INFO L462 AbstractCegarLoop]: Abstraction has 4924 states and 6632 transitions. [2019-10-15 02:53:54,632 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 02:53:54,632 INFO L276 IsEmpty]: Start isEmpty. Operand 4924 states and 6632 transitions. [2019-10-15 02:53:54,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-10-15 02:53:54,665 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:53:54,665 INFO L380 BasicCegarLoop]: trace histogram [33, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:53:54,874 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 02:53:54,875 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:53:54,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:53:54,875 INFO L82 PathProgramCache]: Analyzing trace with hash -912245057, now seen corresponding path program 1 times [2019-10-15 02:53:54,876 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:53:54,876 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362095158] [2019-10-15 02:53:54,876 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:54,876 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:54,876 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:53:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:53:55,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 1143 trivial. 0 not checked. [2019-10-15 02:53:55,175 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362095158] [2019-10-15 02:53:55,175 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641287327] [2019-10-15 02:53:55,176 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 02:53:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:53:55,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 2421 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 02:53:55,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 02:53:56,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1143 trivial. 0 not checked. [2019-10-15 02:53:56,029 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 02:53:56,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1143 trivial. 0 not checked. [2019-10-15 02:53:56,604 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-15 02:53:56,604 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [10] total 15 [2019-10-15 02:53:56,604 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370089517] [2019-10-15 02:53:56,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 02:53:56,605 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:53:56,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 02:53:56,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-15 02:53:56,606 INFO L87 Difference]: Start difference. First operand 4924 states and 6632 transitions. Second operand 7 states. [2019-10-15 02:53:57,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:53:57,079 INFO L93 Difference]: Finished difference Result 10665 states and 14376 transitions. [2019-10-15 02:53:57,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-15 02:53:57,080 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 272 [2019-10-15 02:53:57,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:53:57,127 INFO L225 Difference]: With dead ends: 10665 [2019-10-15 02:53:57,127 INFO L226 Difference]: Without dead ends: 6340 [2019-10-15 02:53:57,148 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 563 GetRequests, 536 SyntacticMatches, 7 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2019-10-15 02:53:57,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6340 states. [2019-10-15 02:53:57,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6340 to 4925. [2019-10-15 02:53:57,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4925 states. [2019-10-15 02:53:57,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4925 states to 4925 states and 6631 transitions. [2019-10-15 02:53:57,426 INFO L78 Accepts]: Start accepts. Automaton has 4925 states and 6631 transitions. Word has length 272 [2019-10-15 02:53:57,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:53:57,427 INFO L462 AbstractCegarLoop]: Abstraction has 4925 states and 6631 transitions. [2019-10-15 02:53:57,427 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 02:53:57,427 INFO L276 IsEmpty]: Start isEmpty. Operand 4925 states and 6631 transitions. [2019-10-15 02:53:57,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-10-15 02:53:57,462 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:53:57,462 INFO L380 BasicCegarLoop]: trace histogram [40, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:53:57,672 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 02:53:57,673 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:53:57,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:53:57,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1348400843, now seen corresponding path program 1 times [2019-10-15 02:53:57,674 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:53:57,674 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079345036] [2019-10-15 02:53:57,674 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:57,675 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:57,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:53:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:53:58,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1679 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 1649 trivial. 0 not checked. [2019-10-15 02:53:58,027 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079345036] [2019-10-15 02:53:58,027 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654200678] [2019-10-15 02:53:58,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 02:53:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:53:59,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 2610 conjuncts, 16 conjunts are in the unsatisfiable core [2019-10-15 02:53:59,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 02:53:59,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1679 backedges. 16 proven. 11 refuted. 0 times theorem prover too weak. 1652 trivial. 0 not checked. [2019-10-15 02:53:59,367 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 02:53:59,936 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:54:00,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1679 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 1652 trivial. 0 not checked. [2019-10-15 02:54:00,272 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [11095487] [2019-10-15 02:54:00,315 INFO L162 IcfgInterpreter]: Started Sifa with 159 locations of interest [2019-10-15 02:54:00,316 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 02:54:00,323 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 02:54:00,331 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 02:54:00,331 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs