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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 00:32:04,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 00:32:04,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 00:32:04,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 00:32:04,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 00:32:04,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 00:32:04,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 00:32:04,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 00:32:04,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 00:32:04,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 00:32:04,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 00:32:04,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 00:32:04,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 00:32:04,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 00:32:04,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 00:32:04,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 00:32:04,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 00:32:04,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 00:32:04,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 00:32:04,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 00:32:04,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 00:32:04,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 00:32:04,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 00:32:04,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 00:32:04,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 00:32:04,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 00:32:04,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 00:32:04,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 00:32:04,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 00:32:04,286 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 00:32:04,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 00:32:04,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 00:32:04,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 00:32:04,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 00:32:04,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 00:32:04,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 00:32:04,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 00:32:04,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 00:32:04,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 00:32:04,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 00:32:04,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 00:32:04,294 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 00:32:04,308 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 00:32:04,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 00:32:04,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 00:32:04,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 00:32:04,310 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 00:32:04,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 00:32:04,311 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 00:32:04,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 00:32:04,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 00:32:04,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 00:32:04,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 00:32:04,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 00:32:04,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 00:32:04,312 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 00:32:04,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 00:32:04,313 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 00:32:04,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 00:32:04,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 00:32:04,313 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 00:32:04,314 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 00:32:04,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 00:32:04,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:32:04,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 00:32:04,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 00:32:04,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 00:32:04,315 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 00:32:04,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 00:32:04,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 00:32:04,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 00:32:04,594 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 00:32:04,617 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 00:32:04,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 00:32:04,625 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 00:32:04,626 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 00:32:04,627 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2019-10-15 00:32:04,700 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7573796c/5577f874a3b14b8e8f61cd1ee928d82c/FLAGb2bf8fe86 [2019-10-15 00:32:05,611 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 00:32:05,611 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2019-10-15 00:32:05,648 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7573796c/5577f874a3b14b8e8f61cd1ee928d82c/FLAGb2bf8fe86 [2019-10-15 00:32:06,050 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7573796c/5577f874a3b14b8e8f61cd1ee928d82c [2019-10-15 00:32:06,059 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 00:32:06,060 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 00:32:06,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 00:32:06,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 00:32:06,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 00:32:06,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:32:06" (1/1) ... [2019-10-15 00:32:06,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@402bf93c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:32:06, skipping insertion in model container [2019-10-15 00:32:06,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:32:06" (1/1) ... [2019-10-15 00:32:06,077 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 00:32:06,198 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 00:32:08,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:32:08,393 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 00:32:08,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:32:08,956 INFO L192 MainTranslator]: Completed translation [2019-10-15 00:32:08,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:32:08 WrapperNode [2019-10-15 00:32:08,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 00:32:08,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 00:32:08,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 00:32:08,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 00:32:08,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:32:08" (1/1) ... [2019-10-15 00:32:08,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:32:08" (1/1) ... [2019-10-15 00:32:09,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:32:08" (1/1) ... [2019-10-15 00:32:09,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:32:08" (1/1) ... [2019-10-15 00:32:09,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:32:08" (1/1) ... [2019-10-15 00:32:09,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:32:08" (1/1) ... [2019-10-15 00:32:09,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:32:08" (1/1) ... [2019-10-15 00:32:09,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 00:32:09,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 00:32:09,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 00:32:09,268 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 00:32:09,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:32:08" (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 00:32:09,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 00:32:09,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 00:32:09,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-15 00:32:09,365 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-15 00:32:09,365 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-15 00:32:09,366 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-15 00:32:09,366 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-15 00:32:09,367 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-15 00:32:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2019-10-15 00:32:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2019-10-15 00:32:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 00:32:09,369 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-15 00:32:09,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2019-10-15 00:32:09,370 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-15 00:32:09,370 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-15 00:32:09,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 00:32:09,373 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 00:32:09,373 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 00:32:09,373 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-15 00:32:09,374 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-15 00:32:09,374 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-10-15 00:32:09,374 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_hwtstamps [2019-10-15 00:32:09,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-10-15 00:32:09,374 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-10-15 00:32:09,374 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2019-10-15 00:32:09,374 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2019-10-15 00:32:09,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 00:32:09,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 00:32:09,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 00:32:09,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 00:32:09,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 00:32:09,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 00:32:09,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 00:32:09,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 00:32:09,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-15 00:32:09,376 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hdr [2019-10-15 00:32:09,377 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2019-10-15 00:32:09,377 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2019-10-15 00:32:09,377 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_gpio_defaults [2019-10-15 00:32:09,377 INFO L138 BoogieDeclarations]: Found implementation of procedure broadcast_write [2019-10-15 00:32:09,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_read [2019-10-15 00:32:09,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_write [2019-10-15 00:32:09,378 INFO L138 BoogieDeclarations]: Found implementation of procedure tdr_write [2019-10-15 00:32:09,378 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2rxts [2019-10-15 00:32:09,378 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2txts [2019-10-15 00:32:09,378 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_output [2019-10-15 00:32:09,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_adjfreq [2019-10-15 00:32:09,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_adjtime [2019-10-15 00:32:09,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_gettime [2019-10-15 00:32:09,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_settime [2019-10-15 00:32:09,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_enable [2019-10-15 00:32:09,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_verify [2019-10-15 00:32:09,379 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_status_frames [2019-10-15 00:32:09,379 INFO L138 BoogieDeclarations]: Found implementation of procedure is_status_frame [2019-10-15 00:32:09,380 INFO L138 BoogieDeclarations]: Found implementation of procedure expired [2019-10-15 00:32:09,380 INFO L138 BoogieDeclarations]: Found implementation of procedure prune_rx_ts [2019-10-15 00:32:09,380 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_broadcast [2019-10-15 00:32:09,380 INFO L138 BoogieDeclarations]: Found implementation of procedure recalibrate [2019-10-15 00:32:09,380 INFO L138 BoogieDeclarations]: Found implementation of procedure exts_chan_to_edata [2019-10-15 00:32:09,381 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_evnt [2019-10-15 00:32:09,381 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_rxts [2019-10-15 00:32:09,381 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_txts [2019-10-15 00:32:09,381 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_status_frame [2019-10-15 00:32:09,382 INFO L138 BoogieDeclarations]: Found implementation of procedure is_sync [2019-10-15 00:32:09,382 INFO L138 BoogieDeclarations]: Found implementation of procedure match [2019-10-15 00:32:09,382 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_free_clocks [2019-10-15 00:32:09,382 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_init [2019-10-15 00:32:09,382 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_this_phy [2019-10-15 00:32:09,382 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get [2019-10-15 00:32:09,382 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get_bus [2019-10-15 00:32:09,383 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_put [2019-10-15 00:32:09,383 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_probe [2019-10-15 00:32:09,383 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_remove [2019-10-15 00:32:09,384 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_init [2019-10-15 00:32:09,384 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ack_interrupt [2019-10-15 00:32:09,384 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_intr [2019-10-15 00:32:09,384 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_hwtstamp [2019-10-15 00:32:09,385 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_timestamp_work [2019-10-15 00:32:09,385 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_rxtstamp [2019-10-15 00:32:09,385 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_txtstamp [2019-10-15 00:32:09,386 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ts_info [2019-10-15 00:32:09,386 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_init [2019-10-15 00:32:09,386 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_exit [2019-10-15 00:32:09,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_phy_driver_1 [2019-10-15 00:32:09,387 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 00:32:09,387 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-15 00:32:09,387 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-15 00:32:09,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-15 00:32:09,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-15 00:32:09,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-15 00:32:09,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-15 00:32:09,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-15 00:32:09,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_12 [2019-10-15 00:32:09,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-10-15 00:32:09,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2019-10-15 00:32:09,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_15 [2019-10-15 00:32:09,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_ni_16 [2019-10-15 00:32:09,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_17 [2019-10-15 00:32:09,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_18 [2019-10-15 00:32:09,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-15 00:32:09,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-15 00:32:09,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-15 00:32:09,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-15 00:32:09,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-15 00:32:09,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 00:32:09,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 00:32:09,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 00:32:09,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 00:32:09,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-15 00:32:09,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 00:32:09,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-15 00:32:09,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-15 00:32:09,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-15 00:32:09,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-15 00:32:09,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-15 00:32:09,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 00:32:09,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-15 00:32:09,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-15 00:32:09,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-15 00:32:09,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-15 00:32:09,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-15 00:32:09,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-15 00:32:09,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-15 00:32:09,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 00:32:09,396 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-15 00:32:09,396 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-15 00:32:09,397 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-15 00:32:09,397 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-15 00:32:09,397 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-10-15 00:32:09,397 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_add [2019-10-15 00:32:09,397 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_del [2019-10-15 00:32:09,398 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_config_aneg [2019-10-15 00:32:09,398 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_read_status [2019-10-15 00:32:09,398 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2019-10-15 00:32:09,398 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-15 00:32:09,399 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-15 00:32:09,400 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_read [2019-10-15 00:32:09,403 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2019-10-15 00:32:09,403 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-15 00:32:09,403 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2019-10-15 00:32:09,404 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-15 00:32:09,404 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 00:32:09,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2019-10-15 00:32:09,405 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_driver_register [2019-10-15 00:32:09,412 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_driver_unregister [2019-10-15 00:32:09,412 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 00:32:09,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_event [2019-10-15 00:32:09,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_index [2019-10-15 00:32:09,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_register [2019-10-15 00:32:09,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_unregister [2019-10-15 00:32:09,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_find_pin [2019-10-15 00:32:09,413 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2019-10-15 00:32:09,413 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-15 00:32:09,413 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_complete_tx_timestamp [2019-10-15 00:32:09,413 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-10-15 00:32:09,415 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 00:32:09,415 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 00:32:09,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 00:32:09,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 00:32:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 00:32:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 00:32:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-15 00:32:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 00:32:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-15 00:32:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-15 00:32:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-15 00:32:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-15 00:32:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 00:32:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 00:32:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-15 00:32:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 00:32:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-15 00:32:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-15 00:32:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 00:32:09,418 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-15 00:32:09,418 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-15 00:32:09,418 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-15 00:32:09,418 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-15 00:32:09,418 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-15 00:32:09,418 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 00:32:09,418 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-15 00:32:09,419 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2019-10-15 00:32:09,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 00:32:09,419 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2019-10-15 00:32:09,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 00:32:09,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 00:32:09,419 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-15 00:32:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-15 00:32:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-15 00:32:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 00:32:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-15 00:32:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-15 00:32:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 00:32:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-15 00:32:09,421 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2019-10-15 00:32:09,421 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-15 00:32:09,421 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-15 00:32:09,421 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 00:32:09,421 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2019-10-15 00:32:09,421 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2019-10-15 00:32:09,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 00:32:09,421 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-15 00:32:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-15 00:32:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-10-15 00:32:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-15 00:32:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-15 00:32:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 00:32:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 00:32:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 00:32:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 00:32:09,423 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 00:32:09,423 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-15 00:32:09,423 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-15 00:32:09,423 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-15 00:32:09,423 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-15 00:32:09,423 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-15 00:32:09,423 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-15 00:32:09,424 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2019-10-15 00:32:09,424 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2019-10-15 00:32:09,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-15 00:32:09,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-15 00:32:09,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-15 00:32:09,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-15 00:32:09,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-10-15 00:32:09,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_18 [2019-10-15 00:32:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-15 00:32:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-10-15 00:32:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure skb_hwtstamps [2019-10-15 00:32:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-10-15 00:32:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-10-15 00:32:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-10-15 00:32:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_12 [2019-10-15 00:32:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2019-10-15 00:32:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_15 [2019-10-15 00:32:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_17 [2019-10-15 00:32:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2019-10-15 00:32:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2019-10-15 00:32:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure skb_complete_tx_timestamp [2019-10-15 00:32:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-15 00:32:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-15 00:32:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-15 00:32:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 00:32:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 00:32:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 00:32:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 00:32:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 00:32:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 00:32:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 00:32:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 00:32:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 00:32:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 00:32:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 00:32:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 00:32:09,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 00:32:09,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 00:32:09,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-15 00:32:09,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_phy_driver_1 [2019-10-15 00:32:09,429 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hdr [2019-10-15 00:32:09,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_ni_16 [2019-10-15 00:32:09,429 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_add [2019-10-15 00:32:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_del [2019-10-15 00:32:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_read [2019-10-15 00:32:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2019-10-15 00:32:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2019-10-15 00:32:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2019-10-15 00:32:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_config_aneg [2019-10-15 00:32:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_read_status [2019-10-15 00:32:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure phy_driver_unregister [2019-10-15 00:32:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure phy_driver_register [2019-10-15 00:32:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_register [2019-10-15 00:32:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_unregister [2019-10-15 00:32:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_event [2019-10-15 00:32:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_index [2019-10-15 00:32:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_find_pin [2019-10-15 00:32:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_gpio_defaults [2019-10-15 00:32:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure rx_timestamp_work [2019-10-15 00:32:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure broadcast_write [2019-10-15 00:32:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure ext_read [2019-10-15 00:32:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure ext_write [2019-10-15 00:32:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure tdr_write [2019-10-15 00:32:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure phy2rxts [2019-10-15 00:32:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure phy2txts [2019-10-15 00:32:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_output [2019-10-15 00:32:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_adjfreq [2019-10-15 00:32:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_adjtime [2019-10-15 00:32:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_gettime [2019-10-15 00:32:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_settime [2019-10-15 00:32:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_enable [2019-10-15 00:32:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_verify [2019-10-15 00:32:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure enable_status_frames [2019-10-15 00:32:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure is_status_frame [2019-10-15 00:32:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure expired [2019-10-15 00:32:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure prune_rx_ts [2019-10-15 00:32:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure enable_broadcast [2019-10-15 00:32:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure recalibrate [2019-10-15 00:32:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure exts_chan_to_edata [2019-10-15 00:32:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure decode_evnt [2019-10-15 00:32:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure decode_rxts [2019-10-15 00:32:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure decode_txts [2019-10-15 00:32:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 00:32:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure decode_status_frame [2019-10-15 00:32:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure is_sync [2019-10-15 00:32:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure match [2019-10-15 00:32:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_free_clocks [2019-10-15 00:32:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_init [2019-10-15 00:32:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure choose_this_phy [2019-10-15 00:32:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get [2019-10-15 00:32:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get_bus [2019-10-15 00:32:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_put [2019-10-15 00:32:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_probe [2019-10-15 00:32:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_remove [2019-10-15 00:32:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_init [2019-10-15 00:32:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ack_interrupt [2019-10-15 00:32:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_intr [2019-10-15 00:32:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_hwtstamp [2019-10-15 00:32:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_rxtstamp [2019-10-15 00:32:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_txtstamp [2019-10-15 00:32:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ts_info [2019-10-15 00:32:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_init [2019-10-15 00:32:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_exit [2019-10-15 00:32:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 00:32:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 00:32:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 00:32:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-15 00:32:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-15 00:32:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-15 00:32:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-15 00:32:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-15 00:32:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 00:32:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 00:32:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-15 00:32:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-15 00:32:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-15 00:32:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 00:32:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 00:32:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 00:32:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 00:32:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 00:32:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 00:32:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 00:32:10,795 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 00:32:27,953 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 00:32:27,954 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 00:32:27,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:32:27 BoogieIcfgContainer [2019-10-15 00:32:27,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 00:32:27,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 00:32:27,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 00:32:27,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 00:32:27,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:32:06" (1/3) ... [2019-10-15 00:32:27,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5369aeef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:32:27, skipping insertion in model container [2019-10-15 00:32:27,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:32:08" (2/3) ... [2019-10-15 00:32:27,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5369aeef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:32:27, skipping insertion in model container [2019-10-15 00:32:27,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:32:27" (3/3) ... [2019-10-15 00:32:27,964 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2019-10-15 00:32:27,975 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 00:32:27,984 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 00:32:27,993 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 00:32:28,026 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 00:32:28,026 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 00:32:28,026 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 00:32:28,026 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 00:32:28,026 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 00:32:28,026 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 00:32:28,026 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 00:32:28,026 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 00:32:28,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states. [2019-10-15 00:32:28,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-15 00:32:28,085 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:32:28,086 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 00:32:28,088 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:32:28,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:32:28,094 INFO L82 PathProgramCache]: Analyzing trace with hash 2088833459, now seen corresponding path program 1 times [2019-10-15 00:32:28,104 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:32:28,105 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552714157] [2019-10-15 00:32:28,105 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:32:28,105 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:32:28,105 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:32:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:32:28,892 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-15 00:32:28,894 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552714157] [2019-10-15 00:32:28,895 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:32:28,895 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 00:32:28,896 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287887313] [2019-10-15 00:32:28,902 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 00:32:28,904 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:32:28,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 00:32:28,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 00:32:28,923 INFO L87 Difference]: Start difference. First operand 1202 states. Second operand 6 states. [2019-10-15 00:32:30,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:32:30,740 INFO L93 Difference]: Finished difference Result 3087 states and 4039 transitions. [2019-10-15 00:32:30,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 00:32:30,742 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2019-10-15 00:32:30,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:32:30,776 INFO L225 Difference]: With dead ends: 3087 [2019-10-15 00:32:30,776 INFO L226 Difference]: Without dead ends: 1992 [2019-10-15 00:32:30,788 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 00:32:30,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1992 states. [2019-10-15 00:32:30,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1992 to 1992. [2019-10-15 00:32:30,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1992 states. [2019-10-15 00:32:31,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1992 states and 2577 transitions. [2019-10-15 00:32:31,013 INFO L78 Accepts]: Start accepts. Automaton has 1992 states and 2577 transitions. Word has length 55 [2019-10-15 00:32:31,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:32:31,014 INFO L462 AbstractCegarLoop]: Abstraction has 1992 states and 2577 transitions. [2019-10-15 00:32:31,014 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 00:32:31,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 2577 transitions. [2019-10-15 00:32:31,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-10-15 00:32:31,028 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:32:31,028 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 00:32:31,029 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:32:31,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:32:31,029 INFO L82 PathProgramCache]: Analyzing trace with hash 310605130, now seen corresponding path program 1 times [2019-10-15 00:32:31,029 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:32:31,029 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037064800] [2019-10-15 00:32:31,030 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:32:31,030 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:32:31,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:32:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:32:31,284 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-15 00:32:31,285 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037064800] [2019-10-15 00:32:31,285 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:32:31,285 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:32:31,285 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419464118] [2019-10-15 00:32:31,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:32:31,289 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:32:31,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:32:31,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:32:31,290 INFO L87 Difference]: Start difference. First operand 1992 states and 2577 transitions. Second operand 3 states. [2019-10-15 00:32:31,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:32:31,511 INFO L93 Difference]: Finished difference Result 4087 states and 5275 transitions. [2019-10-15 00:32:31,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:32:31,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2019-10-15 00:32:31,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:32:31,527 INFO L225 Difference]: With dead ends: 4087 [2019-10-15 00:32:31,528 INFO L226 Difference]: Without dead ends: 2113 [2019-10-15 00:32:31,537 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:32:31,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2113 states. [2019-10-15 00:32:31,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2113 to 2101. [2019-10-15 00:32:31,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2101 states. [2019-10-15 00:32:31,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 2101 states and 2705 transitions. [2019-10-15 00:32:31,640 INFO L78 Accepts]: Start accepts. Automaton has 2101 states and 2705 transitions. Word has length 119 [2019-10-15 00:32:31,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:32:31,640 INFO L462 AbstractCegarLoop]: Abstraction has 2101 states and 2705 transitions. [2019-10-15 00:32:31,640 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:32:31,641 INFO L276 IsEmpty]: Start isEmpty. Operand 2101 states and 2705 transitions. [2019-10-15 00:32:31,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-15 00:32:31,648 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:32:31,648 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 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] [2019-10-15 00:32:31,649 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:32:31,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:32:31,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1177355172, now seen corresponding path program 1 times [2019-10-15 00:32:31,649 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:32:31,650 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177169176] [2019-10-15 00:32:31,650 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:32:31,650 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:32:31,650 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:32:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:32:31,850 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-15 00:32:31,850 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177169176] [2019-10-15 00:32:31,850 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:32:31,851 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:32:31,851 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764683869] [2019-10-15 00:32:31,852 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:32:31,852 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:32:31,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:32:31,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:32:31,853 INFO L87 Difference]: Start difference. First operand 2101 states and 2705 transitions. Second operand 3 states. [2019-10-15 00:32:32,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:32:32,277 INFO L93 Difference]: Finished difference Result 5629 states and 7253 transitions. [2019-10-15 00:32:32,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:32:32,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2019-10-15 00:32:32,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:32:32,300 INFO L225 Difference]: With dead ends: 5629 [2019-10-15 00:32:32,300 INFO L226 Difference]: Without dead ends: 3555 [2019-10-15 00:32:32,310 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:32:32,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3555 states. [2019-10-15 00:32:32,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3555 to 3543. [2019-10-15 00:32:32,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3543 states. [2019-10-15 00:32:32,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3543 states to 3543 states and 4526 transitions. [2019-10-15 00:32:32,486 INFO L78 Accepts]: Start accepts. Automaton has 3543 states and 4526 transitions. Word has length 154 [2019-10-15 00:32:32,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:32:32,487 INFO L462 AbstractCegarLoop]: Abstraction has 3543 states and 4526 transitions. [2019-10-15 00:32:32,487 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:32:32,487 INFO L276 IsEmpty]: Start isEmpty. Operand 3543 states and 4526 transitions. [2019-10-15 00:32:32,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-15 00:32:32,497 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:32:32,498 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 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] [2019-10-15 00:32:32,498 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:32:32,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:32:32,499 INFO L82 PathProgramCache]: Analyzing trace with hash -421548904, now seen corresponding path program 1 times [2019-10-15 00:32:32,499 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:32:32,499 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943804551] [2019-10-15 00:32:32,499 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:32:32,499 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:32:32,499 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:32:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:32:32,666 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-15 00:32:32,667 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943804551] [2019-10-15 00:32:32,667 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:32:32,667 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:32:32,667 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211568488] [2019-10-15 00:32:32,668 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:32:32,668 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:32:32,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:32:32,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:32:32,669 INFO L87 Difference]: Start difference. First operand 3543 states and 4526 transitions. Second operand 3 states. [2019-10-15 00:32:32,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:32:32,814 INFO L93 Difference]: Finished difference Result 5390 states and 6890 transitions. [2019-10-15 00:32:32,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:32:32,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2019-10-15 00:32:32,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:32:32,849 INFO L225 Difference]: With dead ends: 5390 [2019-10-15 00:32:32,850 INFO L226 Difference]: Without dead ends: 3551 [2019-10-15 00:32:32,867 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:32:32,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3551 states. [2019-10-15 00:32:33,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3551 to 3547. [2019-10-15 00:32:33,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3547 states. [2019-10-15 00:32:33,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3547 states to 3547 states and 4530 transitions. [2019-10-15 00:32:33,049 INFO L78 Accepts]: Start accepts. Automaton has 3547 states and 4530 transitions. Word has length 154 [2019-10-15 00:32:33,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:32:33,054 INFO L462 AbstractCegarLoop]: Abstraction has 3547 states and 4530 transitions. [2019-10-15 00:32:33,054 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:32:33,054 INFO L276 IsEmpty]: Start isEmpty. Operand 3547 states and 4530 transitions. [2019-10-15 00:32:33,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-15 00:32:33,069 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:32:33,069 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 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] [2019-10-15 00:32:33,069 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:32:33,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:32:33,070 INFO L82 PathProgramCache]: Analyzing trace with hash -399584039, now seen corresponding path program 1 times [2019-10-15 00:32:33,070 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:32:33,070 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908766672] [2019-10-15 00:32:33,070 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:32:33,071 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:32:33,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:32:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:32:33,285 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-15 00:32:33,286 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908766672] [2019-10-15 00:32:33,286 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:32:33,286 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:32:33,286 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206457643] [2019-10-15 00:32:33,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:32:33,288 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:32:33,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:32:33,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:32:33,289 INFO L87 Difference]: Start difference. First operand 3547 states and 4530 transitions. Second operand 3 states. [2019-10-15 00:32:33,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:32:33,578 INFO L93 Difference]: Finished difference Result 7013 states and 8973 transitions. [2019-10-15 00:32:33,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:32:33,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2019-10-15 00:32:33,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:32:33,603 INFO L225 Difference]: With dead ends: 7013 [2019-10-15 00:32:33,603 INFO L226 Difference]: Without dead ends: 3480 [2019-10-15 00:32:33,618 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:32:33,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3480 states. [2019-10-15 00:32:33,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3480 to 3480. [2019-10-15 00:32:33,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3480 states. [2019-10-15 00:32:33,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3480 states to 3480 states and 4442 transitions. [2019-10-15 00:32:33,853 INFO L78 Accepts]: Start accepts. Automaton has 3480 states and 4442 transitions. Word has length 156 [2019-10-15 00:32:33,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:32:33,856 INFO L462 AbstractCegarLoop]: Abstraction has 3480 states and 4442 transitions. [2019-10-15 00:32:33,856 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:32:33,856 INFO L276 IsEmpty]: Start isEmpty. Operand 3480 states and 4442 transitions. [2019-10-15 00:32:33,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-15 00:32:33,876 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:32:33,877 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:32:33,877 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:32:33,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:32:33,877 INFO L82 PathProgramCache]: Analyzing trace with hash 781460403, now seen corresponding path program 1 times [2019-10-15 00:32:33,878 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:32:33,878 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902990282] [2019-10-15 00:32:33,878 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:32:33,879 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:32:33,879 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:32:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:32:34,173 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-15 00:32:34,174 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902990282] [2019-10-15 00:32:34,174 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:32:34,174 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:32:34,175 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597810] [2019-10-15 00:32:34,175 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:32:34,176 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:32:34,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:32:34,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:32:34,177 INFO L87 Difference]: Start difference. First operand 3480 states and 4442 transitions. Second operand 5 states. [2019-10-15 00:32:34,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:32:34,380 INFO L93 Difference]: Finished difference Result 6935 states and 8866 transitions. [2019-10-15 00:32:34,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 00:32:34,381 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 165 [2019-10-15 00:32:34,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:32:34,406 INFO L225 Difference]: With dead ends: 6935 [2019-10-15 00:32:34,407 INFO L226 Difference]: Without dead ends: 3516 [2019-10-15 00:32:34,422 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:32:34,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3516 states. [2019-10-15 00:32:34,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3516 to 3506. [2019-10-15 00:32:34,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3506 states. [2019-10-15 00:32:34,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3506 states to 3506 states and 4472 transitions. [2019-10-15 00:32:34,587 INFO L78 Accepts]: Start accepts. Automaton has 3506 states and 4472 transitions. Word has length 165 [2019-10-15 00:32:34,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:32:34,588 INFO L462 AbstractCegarLoop]: Abstraction has 3506 states and 4472 transitions. [2019-10-15 00:32:34,588 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:32:34,588 INFO L276 IsEmpty]: Start isEmpty. Operand 3506 states and 4472 transitions. [2019-10-15 00:32:34,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-15 00:32:34,603 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:32:34,603 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:32:34,604 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:32:34,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:32:34,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1104952872, now seen corresponding path program 1 times [2019-10-15 00:32:34,605 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:32:34,605 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490831870] [2019-10-15 00:32:34,605 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:32:34,605 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:32:34,606 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:32:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:32:35,089 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-15 00:32:35,090 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490831870] [2019-10-15 00:32:35,090 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:32:35,090 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 00:32:35,090 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825245516] [2019-10-15 00:32:35,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 00:32:35,092 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:32:35,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 00:32:35,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-10-15 00:32:35,092 INFO L87 Difference]: Start difference. First operand 3506 states and 4472 transitions. Second operand 9 states.