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-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 0.1.24-36ac518-m [2019-10-07 09:06:36,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 09:06:36,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 09:06:36,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 09:06:36,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 09:06:36,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 09:06:36,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 09:06:36,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 09:06:36,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 09:06:36,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 09:06:36,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 09:06:36,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 09:06:36,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 09:06:36,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 09:06:36,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 09:06:36,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 09:06:36,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 09:06:36,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 09:06:36,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 09:06:36,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 09:06:36,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 09:06:36,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 09:06:36,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 09:06:36,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 09:06:36,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 09:06:36,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 09:06:36,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 09:06:36,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 09:06:36,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 09:06:36,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 09:06:36,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 09:06:36,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 09:06:36,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 09:06:36,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 09:06:36,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 09:06:36,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 09:06:36,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 09:06:36,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 09:06:36,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 09:06:36,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 09:06:36,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 09:06:36,352 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 [2019-10-07 09:06:36,372 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 09:06:36,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 09:06:36,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 09:06:36,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 09:06:36,374 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 09:06:36,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 09:06:36,375 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 09:06:36,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 09:06:36,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 09:06:36,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 09:06:36,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 09:06:36,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 09:06:36,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 09:06:36,376 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 09:06:36,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 09:06:36,377 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 09:06:36,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 09:06:36,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 09:06:36,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 09:06:36,378 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 09:06:36,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 09:06:36,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 09:06:36,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 09:06:36,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 09:06:36,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 09:06:36,379 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 09:06:36,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 09:06:36,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 09:06:36,379 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 [2019-10-07 09:06:36,690 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 09:06:36,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 09:06:36,711 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 09:06:36,713 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 09:06:36,714 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 09:06:36,714 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2019-10-07 09:06:36,789 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/120ef1b4a/e5809c1b1bfe4dd8bb6d0886d3a67948/FLAG930767c10 [2019-10-07 09:06:37,675 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 09:06:37,678 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2019-10-07 09:06:37,729 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/120ef1b4a/e5809c1b1bfe4dd8bb6d0886d3a67948/FLAG930767c10 [2019-10-07 09:06:38,170 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/120ef1b4a/e5809c1b1bfe4dd8bb6d0886d3a67948 [2019-10-07 09:06:38,182 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 09:06:38,184 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 09:06:38,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 09:06:38,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 09:06:38,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 09:06:38,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 09:06:38" (1/1) ... [2019-10-07 09:06:38,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d55f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:06:38, skipping insertion in model container [2019-10-07 09:06:38,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 09:06:38" (1/1) ... [2019-10-07 09:06:38,200 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 09:06:38,360 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 09:06:40,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 09:06:40,634 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 09:06:40,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 09:06:41,164 INFO L192 MainTranslator]: Completed translation [2019-10-07 09:06:41,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:06:41 WrapperNode [2019-10-07 09:06:41,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 09:06:41,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 09:06:41,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 09:06:41,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 09:06:41,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:06:41" (1/1) ... [2019-10-07 09:06:41,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:06:41" (1/1) ... [2019-10-07 09:06:41,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:06:41" (1/1) ... [2019-10-07 09:06:41,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:06:41" (1/1) ... [2019-10-07 09:06:41,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:06:41" (1/1) ... [2019-10-07 09:06:41,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:06:41" (1/1) ... [2019-10-07 09:06:41,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:06:41" (1/1) ... [2019-10-07 09:06:41,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 09:06:41,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 09:06:41,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 09:06:41,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 09:06:41,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:06:41" (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 [2019-10-07 09:06:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 09:06:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 09:06:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-07 09:06:41,524 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-07 09:06:41,524 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-07 09:06:41,526 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-07 09:06:41,528 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-07 09:06:41,530 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-07 09:06:41,530 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2019-10-07 09:06:41,530 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2019-10-07 09:06:41,531 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 09:06:41,533 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 09:06:41,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2019-10-07 09:06:41,535 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-07 09:06:41,535 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-07 09:06:41,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 09:06:41,539 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 09:06:41,540 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 09:06:41,540 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-07 09:06:41,540 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-07 09:06:41,540 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-10-07 09:06:41,540 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_hwtstamps [2019-10-07 09:06:41,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-10-07 09:06:41,541 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-10-07 09:06:41,541 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2019-10-07 09:06:41,541 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2019-10-07 09:06:41,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 09:06:41,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 09:06:41,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 09:06:41,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 09:06:41,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 09:06:41,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 09:06:41,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 09:06:41,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 09:06:41,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-07 09:06:41,543 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hdr [2019-10-07 09:06:41,543 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2019-10-07 09:06:41,544 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2019-10-07 09:06:41,544 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_gpio_defaults [2019-10-07 09:06:41,544 INFO L138 BoogieDeclarations]: Found implementation of procedure broadcast_write [2019-10-07 09:06:41,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_read [2019-10-07 09:06:41,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_write [2019-10-07 09:06:41,544 INFO L138 BoogieDeclarations]: Found implementation of procedure tdr_write [2019-10-07 09:06:41,545 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2rxts [2019-10-07 09:06:41,545 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2txts [2019-10-07 09:06:41,545 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_output [2019-10-07 09:06:41,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_adjfreq [2019-10-07 09:06:41,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_adjtime [2019-10-07 09:06:41,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_gettime [2019-10-07 09:06:41,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_settime [2019-10-07 09:06:41,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_enable [2019-10-07 09:06:41,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_verify [2019-10-07 09:06:41,546 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_status_frames [2019-10-07 09:06:41,546 INFO L138 BoogieDeclarations]: Found implementation of procedure is_status_frame [2019-10-07 09:06:41,546 INFO L138 BoogieDeclarations]: Found implementation of procedure expired [2019-10-07 09:06:41,546 INFO L138 BoogieDeclarations]: Found implementation of procedure prune_rx_ts [2019-10-07 09:06:41,547 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_broadcast [2019-10-07 09:06:41,547 INFO L138 BoogieDeclarations]: Found implementation of procedure recalibrate [2019-10-07 09:06:41,547 INFO L138 BoogieDeclarations]: Found implementation of procedure exts_chan_to_edata [2019-10-07 09:06:41,547 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_evnt [2019-10-07 09:06:41,548 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_rxts [2019-10-07 09:06:41,548 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_txts [2019-10-07 09:06:41,548 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_status_frame [2019-10-07 09:06:41,549 INFO L138 BoogieDeclarations]: Found implementation of procedure is_sync [2019-10-07 09:06:41,549 INFO L138 BoogieDeclarations]: Found implementation of procedure match [2019-10-07 09:06:41,549 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_free_clocks [2019-10-07 09:06:41,549 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_init [2019-10-07 09:06:41,550 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_this_phy [2019-10-07 09:06:41,550 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get [2019-10-07 09:06:41,550 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get_bus [2019-10-07 09:06:41,550 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_put [2019-10-07 09:06:41,551 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_probe [2019-10-07 09:06:41,551 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_remove [2019-10-07 09:06:41,552 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_init [2019-10-07 09:06:41,552 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ack_interrupt [2019-10-07 09:06:41,552 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_intr [2019-10-07 09:06:41,553 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_hwtstamp [2019-10-07 09:06:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_timestamp_work [2019-10-07 09:06:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_rxtstamp [2019-10-07 09:06:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_txtstamp [2019-10-07 09:06:41,555 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ts_info [2019-10-07 09:06:41,555 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_init [2019-10-07 09:06:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_exit [2019-10-07 09:06:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_phy_driver_1 [2019-10-07 09:06:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 09:06:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-07 09:06:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-07 09:06:41,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-07 09:06:41,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-07 09:06:41,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-07 09:06:41,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-07 09:06:41,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-07 09:06:41,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_12 [2019-10-07 09:06:41,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-10-07 09:06:41,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2019-10-07 09:06:41,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_15 [2019-10-07 09:06:41,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_ni_16 [2019-10-07 09:06:41,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_17 [2019-10-07 09:06:41,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_18 [2019-10-07 09:06:41,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-07 09:06:41,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-07 09:06:41,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-07 09:06:41,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-07 09:06:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-07 09:06:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 09:06:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 09:06:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 09:06:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 09:06:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-07 09:06:41,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 09:06:41,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-07 09:06:41,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-07 09:06:41,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-07 09:06:41,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-07 09:06:41,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-07 09:06:41,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 09:06:41,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-07 09:06:41,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-07 09:06:41,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-07 09:06:41,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-07 09:06:41,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-07 09:06:41,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-07 09:06:41,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-07 09:06:41,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 09:06:41,567 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-07 09:06:41,567 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-07 09:06:41,567 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-07 09:06:41,567 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 09:06:41,568 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-10-07 09:06:41,568 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_add [2019-10-07 09:06:41,568 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_del [2019-10-07 09:06:41,569 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_config_aneg [2019-10-07 09:06:41,569 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_read_status [2019-10-07 09:06:41,570 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2019-10-07 09:06:41,574 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-07 09:06:41,574 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-07 09:06:41,575 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_read [2019-10-07 09:06:41,575 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2019-10-07 09:06:41,576 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-07 09:06:41,576 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2019-10-07 09:06:41,576 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-07 09:06:41,576 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 09:06:41,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2019-10-07 09:06:41,577 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_driver_register [2019-10-07 09:06:41,583 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_driver_unregister [2019-10-07 09:06:41,583 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 09:06:41,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_event [2019-10-07 09:06:41,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_index [2019-10-07 09:06:41,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_register [2019-10-07 09:06:41,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_unregister [2019-10-07 09:06:41,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_find_pin [2019-10-07 09:06:41,584 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2019-10-07 09:06:41,585 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-07 09:06:41,585 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_complete_tx_timestamp [2019-10-07 09:06:41,585 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-10-07 09:06:41,585 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 09:06:41,586 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 09:06:41,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 09:06:41,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 09:06:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 09:06:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 09:06:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-07 09:06:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 09:06:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-07 09:06:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-07 09:06:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-07 09:06:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-07 09:06:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 09:06:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 09:06:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-07 09:06:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 09:06:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-07 09:06:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-07 09:06:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 09:06:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-07 09:06:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-07 09:06:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-07 09:06:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-07 09:06:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-07 09:06:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 09:06:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-07 09:06:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2019-10-07 09:06:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 09:06:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2019-10-07 09:06:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 09:06:41,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 09:06:41,591 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-07 09:06:41,591 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-07 09:06:41,591 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-07 09:06:41,591 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 09:06:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-07 09:06:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 09:06:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 09:06:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 09:06:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2019-10-07 09:06:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-07 09:06:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-07 09:06:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 09:06:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2019-10-07 09:06:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2019-10-07 09:06:41,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 09:06:41,594 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-07 09:06:41,594 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-07 09:06:41,594 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-10-07 09:06:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-07 09:06:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-07 09:06:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 09:06:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 09:06:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 09:06:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 09:06:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 09:06:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-07 09:06:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-07 09:06:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-07 09:06:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-07 09:06:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-07 09:06:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-07 09:06:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2019-10-07 09:06:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2019-10-07 09:06:41,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-07 09:06:41,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-07 09:06:41,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-07 09:06:41,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-07 09:06:41,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-10-07 09:06:41,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_18 [2019-10-07 09:06:41,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-07 09:06:41,599 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-10-07 09:06:41,599 INFO L130 BoogieDeclarations]: Found specification of procedure skb_hwtstamps [2019-10-07 09:06:41,599 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-10-07 09:06:41,600 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-10-07 09:06:41,600 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-10-07 09:06:41,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_12 [2019-10-07 09:06:41,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2019-10-07 09:06:41,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_15 [2019-10-07 09:06:41,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_17 [2019-10-07 09:06:41,601 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2019-10-07 09:06:41,601 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2019-10-07 09:06:41,601 INFO L130 BoogieDeclarations]: Found specification of procedure skb_complete_tx_timestamp [2019-10-07 09:06:41,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-07 09:06:41,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-07 09:06:41,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-07 09:06:41,602 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 09:06:41,602 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 09:06:41,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 09:06:41,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 09:06:41,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 09:06:41,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 09:06:41,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 09:06:41,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 09:06:41,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 09:06:41,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 09:06:41,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 09:06:41,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 09:06:41,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 09:06:41,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 09:06:41,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-07 09:06:41,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_phy_driver_1 [2019-10-07 09:06:41,605 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hdr [2019-10-07 09:06:41,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_ni_16 [2019-10-07 09:06:41,606 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_add [2019-10-07 09:06:41,607 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_del [2019-10-07 09:06:41,611 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_read [2019-10-07 09:06:41,612 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2019-10-07 09:06:41,612 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2019-10-07 09:06:41,612 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2019-10-07 09:06:41,612 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_config_aneg [2019-10-07 09:06:41,612 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_read_status [2019-10-07 09:06:41,612 INFO L130 BoogieDeclarations]: Found specification of procedure phy_driver_unregister [2019-10-07 09:06:41,613 INFO L130 BoogieDeclarations]: Found specification of procedure phy_driver_register [2019-10-07 09:06:41,613 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_register [2019-10-07 09:06:41,613 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_unregister [2019-10-07 09:06:41,613 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_event [2019-10-07 09:06:41,617 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_index [2019-10-07 09:06:41,617 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_find_pin [2019-10-07 09:06:41,618 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_gpio_defaults [2019-10-07 09:06:41,618 INFO L130 BoogieDeclarations]: Found specification of procedure rx_timestamp_work [2019-10-07 09:06:41,618 INFO L130 BoogieDeclarations]: Found specification of procedure broadcast_write [2019-10-07 09:06:41,618 INFO L130 BoogieDeclarations]: Found specification of procedure ext_read [2019-10-07 09:06:41,618 INFO L130 BoogieDeclarations]: Found specification of procedure ext_write [2019-10-07 09:06:41,619 INFO L130 BoogieDeclarations]: Found specification of procedure tdr_write [2019-10-07 09:06:41,619 INFO L130 BoogieDeclarations]: Found specification of procedure phy2rxts [2019-10-07 09:06:41,620 INFO L130 BoogieDeclarations]: Found specification of procedure phy2txts [2019-10-07 09:06:41,620 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_output [2019-10-07 09:06:41,620 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_adjfreq [2019-10-07 09:06:41,620 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_adjtime [2019-10-07 09:06:41,620 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_gettime [2019-10-07 09:06:41,621 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_settime [2019-10-07 09:06:41,621 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_enable [2019-10-07 09:06:41,621 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_verify [2019-10-07 09:06:41,621 INFO L130 BoogieDeclarations]: Found specification of procedure enable_status_frames [2019-10-07 09:06:41,621 INFO L130 BoogieDeclarations]: Found specification of procedure is_status_frame [2019-10-07 09:06:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure expired [2019-10-07 09:06:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure prune_rx_ts [2019-10-07 09:06:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure enable_broadcast [2019-10-07 09:06:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure recalibrate [2019-10-07 09:06:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure exts_chan_to_edata [2019-10-07 09:06:41,623 INFO L130 BoogieDeclarations]: Found specification of procedure decode_evnt [2019-10-07 09:06:41,623 INFO L130 BoogieDeclarations]: Found specification of procedure decode_rxts [2019-10-07 09:06:41,623 INFO L130 BoogieDeclarations]: Found specification of procedure decode_txts [2019-10-07 09:06:41,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 09:06:41,623 INFO L130 BoogieDeclarations]: Found specification of procedure decode_status_frame [2019-10-07 09:06:41,624 INFO L130 BoogieDeclarations]: Found specification of procedure is_sync [2019-10-07 09:06:41,624 INFO L130 BoogieDeclarations]: Found specification of procedure match [2019-10-07 09:06:41,624 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_free_clocks [2019-10-07 09:06:41,624 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_init [2019-10-07 09:06:41,624 INFO L130 BoogieDeclarations]: Found specification of procedure choose_this_phy [2019-10-07 09:06:41,624 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get [2019-10-07 09:06:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get_bus [2019-10-07 09:06:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_put [2019-10-07 09:06:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_probe [2019-10-07 09:06:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_remove [2019-10-07 09:06:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_init [2019-10-07 09:06:41,626 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ack_interrupt [2019-10-07 09:06:41,626 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_intr [2019-10-07 09:06:41,626 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_hwtstamp [2019-10-07 09:06:41,626 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_rxtstamp [2019-10-07 09:06:41,626 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_txtstamp [2019-10-07 09:06:41,626 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ts_info [2019-10-07 09:06:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_init [2019-10-07 09:06:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_exit [2019-10-07 09:06:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 09:06:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 09:06:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 09:06:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-07 09:06:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-07 09:06:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-07 09:06:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-07 09:06:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-07 09:06:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 09:06:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 09:06:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-07 09:06:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-07 09:06:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-07 09:06:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-07 09:06:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 09:06:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 09:06:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 09:06:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 09:06:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 09:06:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 09:06:43,063 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 09:07:06,819 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 09:07:06,819 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 09:07:06,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 09:07:06 BoogieIcfgContainer [2019-10-07 09:07:06,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 09:07:06,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 09:07:06,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 09:07:06,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 09:07:06,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 09:06:38" (1/3) ... [2019-10-07 09:07:06,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f3be1fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 09:07:06, skipping insertion in model container [2019-10-07 09:07:06,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:06:41" (2/3) ... [2019-10-07 09:07:06,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f3be1fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 09:07:06, skipping insertion in model container [2019-10-07 09:07:06,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 09:07:06" (3/3) ... [2019-10-07 09:07:06,829 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 [2019-10-07 09:07:06,839 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 09:07:06,848 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 09:07:06,860 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 09:07:06,894 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 09:07:06,894 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 09:07:06,894 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 09:07:06,894 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 09:07:06,894 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 09:07:06,895 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 09:07:06,895 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 09:07:06,895 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 09:07:06,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states. [2019-10-07 09:07:06,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-07 09:07:06,950 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 09:07:06,951 INFO L385 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] [2019-10-07 09:07:06,954 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 09:07:06,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 09:07:06,961 INFO L82 PathProgramCache]: Analyzing trace with hash -872935376, now seen corresponding path program 1 times [2019-10-07 09:07:06,971 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 09:07:06,972 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:07:06,972 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:07:06,972 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:07:06,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 09:07:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:07:07,667 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-07 09:07:07,668 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:07:07,669 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 09:07:07,669 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 09:07:07,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 09:07:07,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 09:07:07,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 09:07:07,691 INFO L87 Difference]: Start difference. First operand 1002 states. Second operand 6 states. [2019-10-07 09:07:09,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 09:07:09,517 INFO L93 Difference]: Finished difference Result 2562 states and 3381 transitions. [2019-10-07 09:07:09,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 09:07:09,519 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2019-10-07 09:07:09,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 09:07:09,558 INFO L225 Difference]: With dead ends: 2562 [2019-10-07 09:07:09,558 INFO L226 Difference]: Without dead ends: 1650 [2019-10-07 09:07:09,573 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 09:07:09,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1650 states. [2019-10-07 09:07:09,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1650 to 1650. [2019-10-07 09:07:09,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1650 states. [2019-10-07 09:07:09,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1650 states and 2153 transitions. [2019-10-07 09:07:09,800 INFO L78 Accepts]: Start accepts. Automaton has 1650 states and 2153 transitions. Word has length 50 [2019-10-07 09:07:09,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 09:07:09,800 INFO L462 AbstractCegarLoop]: Abstraction has 1650 states and 2153 transitions. [2019-10-07 09:07:09,801 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 09:07:09,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 2153 transitions. [2019-10-07 09:07:09,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-10-07 09:07:09,820 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 09:07:09,820 INFO L385 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] [2019-10-07 09:07:09,821 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 09:07:09,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 09:07:09,821 INFO L82 PathProgramCache]: Analyzing trace with hash -91171368, now seen corresponding path program 1 times [2019-10-07 09:07:09,821 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 09:07:09,821 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:07:09,822 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:07:09,822 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:07:09,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 09:07:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:07:10,064 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-07 09:07:10,064 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:07:10,065 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 09:07:10,066 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 09:07:10,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 09:07:10,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 09:07:10,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 09:07:10,069 INFO L87 Difference]: Start difference. First operand 1650 states and 2153 transitions. Second operand 3 states. [2019-10-07 09:07:10,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 09:07:10,284 INFO L93 Difference]: Finished difference Result 3390 states and 4414 transitions. [2019-10-07 09:07:10,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 09:07:10,285 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2019-10-07 09:07:10,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 09:07:10,300 INFO L225 Difference]: With dead ends: 3390 [2019-10-07 09:07:10,301 INFO L226 Difference]: Without dead ends: 1756 [2019-10-07 09:07:10,309 INFO L606 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 [2019-10-07 09:07:10,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1756 states. [2019-10-07 09:07:10,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1756 to 1745. [2019-10-07 09:07:10,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1745 states. [2019-10-07 09:07:10,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1745 states and 2267 transitions. [2019-10-07 09:07:10,408 INFO L78 Accepts]: Start accepts. Automaton has 1745 states and 2267 transitions. Word has length 109 [2019-10-07 09:07:10,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 09:07:10,409 INFO L462 AbstractCegarLoop]: Abstraction has 1745 states and 2267 transitions. [2019-10-07 09:07:10,409 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 09:07:10,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2267 transitions. [2019-10-07 09:07:10,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-10-07 09:07:10,416 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 09:07:10,416 INFO L385 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 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] [2019-10-07 09:07:10,416 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 09:07:10,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 09:07:10,417 INFO L82 PathProgramCache]: Analyzing trace with hash -794050690, now seen corresponding path program 1 times [2019-10-07 09:07:10,417 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 09:07:10,417 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:07:10,417 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:07:10,418 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:07:10,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 09:07:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:07:10,657 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-07 09:07:10,658 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:07:10,658 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 09:07:10,658 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 09:07:10,659 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 09:07:10,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 09:07:10,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 09:07:10,660 INFO L87 Difference]: Start difference. First operand 1745 states and 2267 transitions. Second operand 3 states. [2019-10-07 09:07:10,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 09:07:10,983 INFO L93 Difference]: Finished difference Result 4654 states and 6044 transitions. [2019-10-07 09:07:10,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 09:07:10,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2019-10-07 09:07:10,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 09:07:11,004 INFO L225 Difference]: With dead ends: 4654 [2019-10-07 09:07:11,004 INFO L226 Difference]: Without dead ends: 2933 [2019-10-07 09:07:11,012 INFO L606 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 [2019-10-07 09:07:11,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2933 states. [2019-10-07 09:07:11,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2933 to 2922. [2019-10-07 09:07:11,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2922 states. [2019-10-07 09:07:11,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 2922 states and 3753 transitions. [2019-10-07 09:07:11,157 INFO L78 Accepts]: Start accepts. Automaton has 2922 states and 3753 transitions. Word has length 141 [2019-10-07 09:07:11,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 09:07:11,159 INFO L462 AbstractCegarLoop]: Abstraction has 2922 states and 3753 transitions. [2019-10-07 09:07:11,159 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 09:07:11,159 INFO L276 IsEmpty]: Start isEmpty. Operand 2922 states and 3753 transitions. [2019-10-07 09:07:11,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-10-07 09:07:11,166 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 09:07:11,166 INFO L385 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 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] [2019-10-07 09:07:11,167 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 09:07:11,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 09:07:11,167 INFO L82 PathProgramCache]: Analyzing trace with hash -79710416, now seen corresponding path program 1 times [2019-10-07 09:07:11,167 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 09:07:11,167 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:07:11,168 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:07:11,168 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:07:11,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 09:07:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:07:11,345 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-07 09:07:11,346 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:07:11,346 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 09:07:11,347 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 09:07:11,347 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 09:07:11,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 09:07:11,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 09:07:11,348 INFO L87 Difference]: Start difference. First operand 2922 states and 3753 transitions. Second operand 3 states. [2019-10-07 09:07:11,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 09:07:11,468 INFO L93 Difference]: Finished difference Result 4444 states and 5716 transitions. [2019-10-07 09:07:11,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 09:07:11,469 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2019-10-07 09:07:11,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 09:07:11,489 INFO L225 Difference]: With dead ends: 4444 [2019-10-07 09:07:11,489 INFO L226 Difference]: Without dead ends: 2930 [2019-10-07 09:07:11,497 INFO L606 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 [2019-10-07 09:07:11,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2930 states. [2019-10-07 09:07:11,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2930 to 2926. [2019-10-07 09:07:11,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2926 states. [2019-10-07 09:07:11,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 3757 transitions. [2019-10-07 09:07:11,653 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 3757 transitions. Word has length 141 [2019-10-07 09:07:11,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 09:07:11,656 INFO L462 AbstractCegarLoop]: Abstraction has 2926 states and 3757 transitions. [2019-10-07 09:07:11,656 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 09:07:11,656 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 3757 transitions. [2019-10-07 09:07:11,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-07 09:07:11,668 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 09:07:11,668 INFO L385 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 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] [2019-10-07 09:07:11,668 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 09:07:11,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 09:07:11,669 INFO L82 PathProgramCache]: Analyzing trace with hash -689389655, now seen corresponding path program 1 times [2019-10-07 09:07:11,673 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 09:07:11,673 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:07:11,673 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:07:11,673 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:07:11,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 09:07:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:07:11,941 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-07 09:07:11,941 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:07:11,943 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 09:07:11,943 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 09:07:11,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 09:07:11,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 09:07:11,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 09:07:11,946 INFO L87 Difference]: Start difference. First operand 2926 states and 3757 transitions. Second operand 3 states. [2019-10-07 09:07:12,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 09:07:12,244 INFO L93 Difference]: Finished difference Result 5785 states and 7441 transitions. [2019-10-07 09:07:12,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 09:07:12,245 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2019-10-07 09:07:12,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 09:07:12,272 INFO L225 Difference]: With dead ends: 5785 [2019-10-07 09:07:12,273 INFO L226 Difference]: Without dead ends: 2870 [2019-10-07 09:07:12,289 INFO L606 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 [2019-10-07 09:07:12,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2870 states. [2019-10-07 09:07:12,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2870 to 2870. [2019-10-07 09:07:12,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2870 states. [2019-10-07 09:07:12,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 2870 states and 3680 transitions. [2019-10-07 09:07:12,474 INFO L78 Accepts]: Start accepts. Automaton has 2870 states and 3680 transitions. Word has length 142 [2019-10-07 09:07:12,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 09:07:12,474 INFO L462 AbstractCegarLoop]: Abstraction has 2870 states and 3680 transitions. [2019-10-07 09:07:12,474 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 09:07:12,474 INFO L276 IsEmpty]: Start isEmpty. Operand 2870 states and 3680 transitions. [2019-10-07 09:07:12,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-07 09:07:12,490 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 09:07:12,490 INFO L385 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] [2019-10-07 09:07:12,490 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 09:07:12,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 09:07:12,491 INFO L82 PathProgramCache]: Analyzing trace with hash -2060885248, now seen corresponding path program 1 times [2019-10-07 09:07:12,491 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 09:07:12,492 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:07:12,492 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:07:12,492 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:07:12,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 09:07:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:07:12,931 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 09:07:12,931 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:07:12,932 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 09:07:12,932 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 09:07:12,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 09:07:12,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 09:07:12,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-10-07 09:07:12,934 INFO L87 Difference]: Start difference. First operand 2870 states and 3680 transitions. Second operand 9 states. [2019-10-07 09:07:37,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 09:07:37,636 INFO L93 Difference]: Finished difference Result 5941 states and 7660 transitions. [2019-10-07 09:07:37,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 09:07:37,636 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 150 [2019-10-07 09:07:37,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 09:07:37,658 INFO L225 Difference]: With dead ends: 5941 [2019-10-07 09:07:37,659 INFO L226 Difference]: Without dead ends: 3126 [2019-10-07 09:07:37,670 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2019-10-07 09:07:37,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3126 states. [2019-10-07 09:07:37,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3126 to 3070. [2019-10-07 09:07:37,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3070 states. [2019-10-07 09:07:37,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3070 states to 3070 states and 3947 transitions. [2019-10-07 09:07:37,809 INFO L78 Accepts]: Start accepts. Automaton has 3070 states and 3947 transitions. Word has length 150 [2019-10-07 09:07:37,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 09:07:37,810 INFO L462 AbstractCegarLoop]: Abstraction has 3070 states and 3947 transitions. [2019-10-07 09:07:37,810 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 09:07:37,810 INFO L276 IsEmpty]: Start isEmpty. Operand 3070 states and 3947 transitions. [2019-10-07 09:07:37,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-10-07 09:07:37,821 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 09:07:37,821 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 09:07:37,821 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 09:07:37,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 09:07:37,822 INFO L82 PathProgramCache]: Analyzing trace with hash -803862460, now seen corresponding path program 1 times [2019-10-07 09:07:37,822 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 09:07:37,822 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:07:37,822 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:07:37,822 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:07:37,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 09:07:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:07:38,175 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-07 09:07:38,176 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:07:38,176 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 09:07:38,176 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 09:07:38,177 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 09:07:38,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 09:07:38,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 09:07:38,181 INFO L87 Difference]: Start difference. First operand 3070 states and 3947 transitions. Second operand 5 states. [2019-10-07 09:07:38,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 09:07:38,292 INFO L93 Difference]: Finished difference Result 6117 states and 7953 transitions. [2019-10-07 09:07:38,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 09:07:38,293 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 184 [2019-10-07 09:07:38,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 09:07:38,312 INFO L225 Difference]: With dead ends: 6117 [2019-10-07 09:07:38,313 INFO L226 Difference]: Without dead ends: 3102 [2019-10-07 09:07:38,324 INFO L606 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 [2019-10-07 09:07:38,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3102 states. [2019-10-07 09:07:38,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3102 to 3090. [2019-10-07 09:07:38,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3090 states. [2019-10-07 09:07:38,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3090 states to 3090 states and 3969 transitions. [2019-10-07 09:07:38,487 INFO L78 Accepts]: Start accepts. Automaton has 3090 states and 3969 transitions. Word has length 184 [2019-10-07 09:07:38,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 09:07:38,488 INFO L462 AbstractCegarLoop]: Abstraction has 3090 states and 3969 transitions. [2019-10-07 09:07:38,488 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 09:07:38,488 INFO L276 IsEmpty]: Start isEmpty. Operand 3090 states and 3969 transitions. [2019-10-07 09:07:38,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-07 09:07:38,502 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 09:07:38,502 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 09:07:38,502 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 09:07:38,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 09:07:38,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1062374153, now seen corresponding path program 1 times [2019-10-07 09:07:38,503 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 09:07:38,503 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:07:38,503 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:07:38,503 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:07:38,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 09:07:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:07:39,011 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-10-07 09:07:39,012 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:07:39,012 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 09:07:39,012 INFO L95 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 [2019-10-07 09:07:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:07:39,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 1868 conjuncts, 24 conjunts are in the unsatisfiable core [2019-10-07 09:07:39,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 09:07:39,781 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 09:07:39,840 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 12 [2019-10-07 09:07:39,840 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 09:07:39,861 INFO L567 ElimStorePlain]: treesize reduction 14, result has 39.1 percent of original size [2019-10-07 09:07:39,862 INFO L464 ElimStorePlain]: Eliminatee |#memory_int| vanished before elimination [2019-10-07 09:07:39,862 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-07 09:07:39,863 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:48, output treesize:9 [2019-10-07 09:07:40,039 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 09:07:40,039 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 09:07:41,790 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-10-07 09:07:42,129 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 09:07:42,135 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 09:07:42,135 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_int_1062| vanished before elimination [2019-10-07 09:07:42,136 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-07 09:07:42,136 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:35, output treesize:5 [2019-10-07 09:07:42,349 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 09:07:42,468 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 09:07:42,503 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 09:07:43,405 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 09:07:43,424 INFO L567 ElimStorePlain]: treesize reduction 3, result has 80.0 percent of original size [2019-10-07 09:07:43,424 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_int_1119| vanished before elimination [2019-10-07 09:07:43,425 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-07 09:07:43,425 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:41, output treesize:9 [2019-10-07 09:07:43,445 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 09:07:43,779 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-10-07 09:07:44,192 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2019-10-07 09:07:44,192 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 09:07:44,208 INFO L567 ElimStorePlain]: treesize reduction 3, result has 80.0 percent of original size [2019-10-07 09:07:44,208 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_int_1154| vanished before elimination [2019-10-07 09:07:44,209 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-07 09:07:44,209 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:41, output treesize:9 [2019-10-07 09:07:44,210 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 09:07:44,212 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 09:07:44,621 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2019-10-07 09:07:44,621 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 09:07:44,637 INFO L567 ElimStorePlain]: treesize reduction 3, result has 80.0 percent of original size [2019-10-07 09:07:44,637 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_int_1181| vanished before elimination [2019-10-07 09:07:44,638 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-07 09:07:44,638 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:41, output treesize:9 [2019-10-07 09:07:44,640 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 09:07:44,903 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2019-10-07 09:07:44,903 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 09:07:44,918 INFO L567 ElimStorePlain]: treesize reduction 3, result has 80.0 percent of original size [2019-10-07 09:07:44,919 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_int_1200| vanished before elimination [2019-10-07 09:07:44,919 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-07 09:07:44,919 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:41, output treesize:9 [2019-10-07 09:07:44,920 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 09:07:45,060 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2019-10-07 09:07:45,061 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 09:07:45,076 INFO L567 ElimStorePlain]: treesize reduction 3, result has 80.0 percent of original size [2019-10-07 09:07:45,077 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_int_1206| vanished before elimination [2019-10-07 09:07:45,077 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-07 09:07:45,077 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:41, output treesize:9 [2019-10-07 09:07:45,078 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 09:07:45,081 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 09:07:45,089 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 09:07:45,105 INFO L567 ElimStorePlain]: treesize reduction 15, result has 37.5 percent of original size [2019-10-07 09:07:45,106 INFO L464 ElimStorePlain]: Eliminatee |#memory_int| vanished before elimination [2019-10-07 09:07:45,106 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-07 09:07:45,106 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:48, output treesize:9 [2019-10-07 09:07:45,148 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 09:07:45,156 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 09:07:45,163 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 09:07:45,275 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-10-07 09:07:45,275 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 09:07:45,276 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [9, 10] total 24 [2019-10-07 09:07:45,276 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 09:07:45,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 09:07:45,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2019-10-07 09:07:45,277 INFO L87 Difference]: Start difference. First operand 3090 states and 3969 transitions. Second operand 10 states. [2019-10-07 09:08:18,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 09:08:18,722 INFO L93 Difference]: Finished difference Result 7222 states and 9627 transitions. [2019-10-07 09:08:18,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 09:08:18,722 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 188 [2019-10-07 09:08:18,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 09:08:18,755 INFO L225 Difference]: With dead ends: 7222 [2019-10-07 09:08:18,755 INFO L226 Difference]: Without dead ends: 5481 [2019-10-07 09:08:18,764 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 376 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=275, Invalid=847, Unknown=0, NotChecked=0, Total=1122 [2019-10-07 09:08:18,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5481 states. [2019-10-07 09:08:19,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5481 to 4773. [2019-10-07 09:08:19,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4773 states. [2019-10-07 09:08:19,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4773 states to 4773 states and 6170 transitions. [2019-10-07 09:08:19,107 INFO L78 Accepts]: Start accepts. Automaton has 4773 states and 6170 transitions. Word has length 188 [2019-10-07 09:08:19,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 09:08:19,108 INFO L462 AbstractCegarLoop]: Abstraction has 4773 states and 6170 transitions. [2019-10-07 09:08:19,108 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 09:08:19,108 INFO L276 IsEmpty]: Start isEmpty. Operand 4773 states and 6170 transitions. [2019-10-07 09:08:19,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-07 09:08:19,121 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 09:08:19,121 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 09:08:19,339 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 09:08:19,340 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 09:08:19,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 09:08:19,341 INFO L82 PathProgramCache]: Analyzing trace with hash 104570954, now seen corresponding path program 1 times [2019-10-07 09:08:19,341 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 09:08:19,341 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:08:19,341 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:08:19,342 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:08:19,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 09:08:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:08:19,597 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-10-07 09:08:19,597 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:08:19,598 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 09:08:19,598 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 09:08:19,598 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 09:08:19,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 09:08:19,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 09:08:19,599 INFO L87 Difference]: Start difference. First operand 4773 states and 6170 transitions. Second operand 4 states. [2019-10-07 09:08:19,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 09:08:19,811 INFO L93 Difference]: Finished difference Result 8174 states and 10633 transitions. [2019-10-07 09:08:19,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 09:08:19,811 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 189 [2019-10-07 09:08:19,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 09:08:19,851 INFO L225 Difference]: With dead ends: 8174 [2019-10-07 09:08:19,852 INFO L226 Difference]: Without dead ends: 4796 [2019-10-07 09:08:19,870 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 09:08:19,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4796 states. [2019-10-07 09:08:20,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4796 to 4781. [2019-10-07 09:08:20,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4781 states. [2019-10-07 09:08:20,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4781 states to 4781 states and 6183 transitions. [2019-10-07 09:08:20,129 INFO L78 Accepts]: Start accepts. Automaton has 4781 states and 6183 transitions. Word has length 189 [2019-10-07 09:08:20,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 09:08:20,131 INFO L462 AbstractCegarLoop]: Abstraction has 4781 states and 6183 transitions. [2019-10-07 09:08:20,131 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 09:08:20,132 INFO L276 IsEmpty]: Start isEmpty. Operand 4781 states and 6183 transitions. [2019-10-07 09:08:20,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-07 09:08:20,146 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 09:08:20,147 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 09:08:20,147 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 09:08:20,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 09:08:20,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1267468401, now seen corresponding path program 1 times [2019-10-07 09:08:20,148 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 09:08:20,148 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:08:20,148 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:08:20,148 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:08:20,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 09:08:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:08:21,093 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-07 09:08:21,093 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:08:21,093 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 09:08:21,093 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 09:08:21,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 09:08:21,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 09:08:21,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-07 09:08:21,095 INFO L87 Difference]: Start difference. First operand 4781 states and 6183 transitions. Second operand 10 states. [2019-10-07 09:08:21,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 09:08:21,474 INFO L93 Difference]: Finished difference Result 9553 states and 12464 transitions. [2019-10-07 09:08:21,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 09:08:21,474 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 191 [2019-10-07 09:08:21,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 09:08:21,500 INFO L225 Difference]: With dead ends: 9553 [2019-10-07 09:08:21,500 INFO L226 Difference]: Without dead ends: 4827 [2019-10-07 09:08:21,525 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-10-07 09:08:21,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4827 states. [2019-10-07 09:08:21,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4827 to 4809. [2019-10-07 09:08:21,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4809 states. [2019-10-07 09:08:21,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4809 states to 4809 states and 6201 transitions. [2019-10-07 09:08:21,758 INFO L78 Accepts]: Start accepts. Automaton has 4809 states and 6201 transitions. Word has length 191 [2019-10-07 09:08:21,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 09:08:21,758 INFO L462 AbstractCegarLoop]: Abstraction has 4809 states and 6201 transitions. [2019-10-07 09:08:21,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 09:08:21,759 INFO L276 IsEmpty]: Start isEmpty. Operand 4809 states and 6201 transitions. [2019-10-07 09:08:21,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-10-07 09:08:21,771 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 09:08:21,772 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 09:08:21,772 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 09:08:21,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 09:08:21,772 INFO L82 PathProgramCache]: Analyzing trace with hash -30483013, now seen corresponding path program 1 times [2019-10-07 09:08:21,773 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 09:08:21,773 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:08:21,773 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:08:21,773 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:08:21,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 09:08:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:08:21,927 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-10-07 09:08:21,928 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:08:21,928 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 09:08:21,928 INFO L95 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 [2019-10-07 09:08:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:08:22,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 2070 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-07 09:08:22,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 09:08:22,707 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-10-07 09:08:22,708 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 09:08:23,002 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-10-07 09:08:23,002 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 09:08:23,003 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 5 [2019-10-07 09:08:23,005 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 09:08:23,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 09:08:23,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 09:08:23,007 INFO L87 Difference]: Start difference. First operand 4809 states and 6201 transitions. Second operand 4 states. [2019-10-07 09:08:23,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 09:08:23,407 INFO L93 Difference]: Finished difference Result 9575 states and 12509 transitions. [2019-10-07 09:08:23,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 09:08:23,408 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 225 [2019-10-07 09:08:23,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 09:08:23,445 INFO L225 Difference]: With dead ends: 9575 [2019-10-07 09:08:23,445 INFO L226 Difference]: Without dead ends: 4821 [2019-10-07 09:08:23,577 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-10-07 09:08:23,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4821 states. [2019-10-07 09:08:23,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4821 to 4821. [2019-10-07 09:08:23,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4821 states. [2019-10-07 09:08:23,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4821 states to 4821 states and 6237 transitions. [2019-10-07 09:08:23,812 INFO L78 Accepts]: Start accepts. Automaton has 4821 states and 6237 transitions. Word has length 225 [2019-10-07 09:08:23,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 09:08:23,813 INFO L462 AbstractCegarLoop]: Abstraction has 4821 states and 6237 transitions. [2019-10-07 09:08:23,813 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 09:08:23,813 INFO L276 IsEmpty]: Start isEmpty. Operand 4821 states and 6237 transitions. [2019-10-07 09:08:23,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-10-07 09:08:23,837 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 09:08:23,837 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 09:08:24,057 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 09:08:24,059 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 09:08:24,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 09:08:24,061 INFO L82 PathProgramCache]: Analyzing trace with hash -83312141, now seen corresponding path program 1 times [2019-10-07 09:08:24,062 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 09:08:24,062 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:08:24,062 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:08:24,062 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:08:24,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 09:08:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:08:24,888 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-10-07 09:08:24,888 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:08:24,889 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 09:08:24,889 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 09:08:24,890 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 09:08:24,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 09:08:24,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-07 09:08:24,891 INFO L87 Difference]: Start difference. First operand 4821 states and 6237 transitions. Second operand 10 states. [2019-10-07 09:08:25,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 09:08:25,213 INFO L93 Difference]: Finished difference Result 9656 states and 12531 transitions. [2019-10-07 09:08:25,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-07 09:08:25,213 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 225 [2019-10-07 09:08:25,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 09:08:25,236 INFO L225 Difference]: With dead ends: 9656 [2019-10-07 09:08:25,236 INFO L226 Difference]: Without dead ends: 4890 [2019-10-07 09:08:25,255 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-10-07 09:08:25,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4890 states. [2019-10-07 09:08:25,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4890 to 4853. [2019-10-07 09:08:25,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4853 states. [2019-10-07 09:08:25,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4853 states to 4853 states and 6275 transitions. [2019-10-07 09:08:25,551 INFO L78 Accepts]: Start accepts. Automaton has 4853 states and 6275 transitions. Word has length 225 [2019-10-07 09:08:25,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 09:08:25,552 INFO L462 AbstractCegarLoop]: Abstraction has 4853 states and 6275 transitions. [2019-10-07 09:08:25,552 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 09:08:25,552 INFO L276 IsEmpty]: Start isEmpty. Operand 4853 states and 6275 transitions. [2019-10-07 09:08:25,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-10-07 09:08:25,568 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 09:08:25,568 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 09:08:25,569 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 09:08:25,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 09:08:25,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1261672064, now seen corresponding path program 1 times [2019-10-07 09:08:25,569 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 09:08:25,569 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:08:25,570 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:08:25,570 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:08:25,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 09:08:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:08:25,842 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-10-07 09:08:25,842 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:08:25,843 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 09:08:25,843 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 09:08:25,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 09:08:25,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 09:08:25,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 09:08:25,844 INFO L87 Difference]: Start difference. First operand 4853 states and 6275 transitions. Second operand 4 states. [2019-10-07 09:08:26,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 09:08:26,023 INFO L93 Difference]: Finished difference Result 9663 states and 12556 transitions. [2019-10-07 09:08:26,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 09:08:26,024 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 204 [2019-10-07 09:08:26,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 09:08:26,045 INFO L225 Difference]: With dead ends: 9663 [2019-10-07 09:08:26,046 INFO L226 Difference]: Without dead ends: 4859 [2019-10-07 09:08:26,058 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 09:08:26,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4859 states. [2019-10-07 09:08:26,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4859 to 4859. [2019-10-07 09:08:26,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4859 states. [2019-10-07 09:08:26,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4859 states to 4859 states and 6281 transitions. [2019-10-07 09:08:26,298 INFO L78 Accepts]: Start accepts. Automaton has 4859 states and 6281 transitions. Word has length 204 [2019-10-07 09:08:26,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 09:08:26,299 INFO L462 AbstractCegarLoop]: Abstraction has 4859 states and 6281 transitions. [2019-10-07 09:08:26,299 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 09:08:26,299 INFO L276 IsEmpty]: Start isEmpty. Operand 4859 states and 6281 transitions. [2019-10-07 09:08:26,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-10-07 09:08:26,312 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 09:08:26,313 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 09:08:26,313 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 09:08:26,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 09:08:26,313 INFO L82 PathProgramCache]: Analyzing trace with hash 532233574, now seen corresponding path program 1 times [2019-10-07 09:08:26,314 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 09:08:26,314 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:08:26,314 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:08:26,314 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:08:26,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 09:08:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:08:26,581 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-10-07 09:08:26,581 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:08:26,581 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 09:08:26,581 INFO L95 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 [2019-10-07 09:08:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:08:27,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 1951 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-07 09:08:27,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 09:08:27,623 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-10-07 09:08:27,624 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 09:08:27,974 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-10-07 09:08:27,975 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 09:08:28,012 INFO L162 IcfgInterpreter]: Started Sifa with 179 locations of interest [2019-10-07 09:08:28,012 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 09:08:28,021 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 09:08:28,032 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 09:08:28,032 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 09:09:54,646 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 923 [2019-10-07 09:10:00,195 WARN L191 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 143 [2019-10-07 09:10:00,620 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 923 [2019-10-07 09:10:01,229 WARN L191 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 922 [2019-10-07 09:10:01,649 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 922 [2019-10-07 09:10:01,927 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 922 [2019-10-07 09:10:02,133 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 922 [2019-10-07 09:10:02,611 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 09:10:02,965 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 09:10:03,281 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 09:10:03,650 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 09:10:04,452 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 1035 DAG size of output: 1033 [2019-10-07 09:10:04,761 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 09:10:05,105 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 09:10:05,411 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 09:10:05,830 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 09:10:06,150 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 09:10:06,166 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 289 for LOIs [2019-10-07 09:10:06,459 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 903 [2019-10-07 09:10:06,600 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 903 [2019-10-07 09:10:06,868 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 1014 [2019-10-07 09:10:06,869 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1049 for LOIs [2019-10-07 09:10:07,171 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 09:10:07,582 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 09:10:07,976 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 1083 [2019-10-07 09:10:08,418 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 1057 [2019-10-07 09:10:08,737 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 1057 [2019-10-07 09:10:09,230 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 1094 [2019-10-07 09:10:09,555 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 09:10:09,556 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ~tmp~9.base, ~tmp~9.offset := #t~malloc92.base, #t~malloc92.offset;~p~1.base, ~p~1.offset := ~tmp~9.base, ~tmp~9.offset;assume 0 != (if 0 != (~p~1.base + ~p~1.offset) % 4294967296 then 1 else 0);#res.base, #res.offset := ~p~1.base, ~p~1.offset; at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ~tmp~9.base, ~tmp~9.offset := #t~malloc92.base, #t~malloc92.offset;~p~1.base, ~p~1.offset := ~tmp~9.base, ~tmp~9.offset;assume 0 != (if 0 != (~p~1.base + ~p~1.offset) % 4294967296 then 1 else 0);#res.base, #res.offset := ~p~1.base, ~p~1.offset; at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 09:10:09,566 INFO L168 Benchmark]: Toolchain (without parser) took 211378.82 ms. Allocated memory was 137.4 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 91.8 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 187.9 MB. Max. memory is 7.1 GB. [2019-10-07 09:10:09,566 INFO L168 Benchmark]: CDTParser took 1.33 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 09:10:09,567 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2981.30 ms. Allocated memory was 137.4 MB in the beginning and 253.8 MB in the end (delta: 116.4 MB). Free memory was 91.4 MB in the beginning and 185.2 MB in the end (delta: -93.8 MB). Peak memory consumption was 124.3 MB. Max. memory is 7.1 GB. [2019-10-07 09:10:09,573 INFO L168 Benchmark]: Boogie Preprocessor took 278.24 ms. Allocated memory is still 253.8 MB. Free memory was 185.2 MB in the beginning and 163.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-10-07 09:10:09,574 INFO L168 Benchmark]: RCFGBuilder took 25376.59 ms. Allocated memory was 253.8 MB in the beginning and 1.0 GB in the end (delta: 760.7 MB). Free memory was 163.2 MB in the beginning and 231.5 MB in the end (delta: -68.3 MB). Peak memory consumption was 862.8 MB. Max. memory is 7.1 GB. [2019-10-07 09:10:09,574 INFO L168 Benchmark]: TraceAbstraction took 182738.32 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 642.3 MB). Free memory was 231.5 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 09:10:09,582 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2981.30 ms. Allocated memory was 137.4 MB in the beginning and 253.8 MB in the end (delta: 116.4 MB). Free memory was 91.4 MB in the beginning and 185.2 MB in the end (delta: -93.8 MB). Peak memory consumption was 124.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 278.24 ms. Allocated memory is still 253.8 MB. Free memory was 185.2 MB in the beginning and 163.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 25376.59 ms. Allocated memory was 253.8 MB in the beginning and 1.0 GB in the end (delta: 760.7 MB). Free memory was 163.2 MB in the beginning and 231.5 MB in the end (delta: -68.3 MB). Peak memory consumption was 862.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 182738.32 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 642.3 MB). Free memory was 231.5 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ~tmp~9.base, ~tmp~9.offset := #t~malloc92.base, #t~malloc92.offset;~p~1.base, ~p~1.offset := ~tmp~9.base, ~tmp~9.offset;assume 0 != (if 0 != (~p~1.base + ~p~1.offset) % 4294967296 then 1 else 0);#res.base, #res.offset := ~p~1.base, ~p~1.offset; de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ~tmp~9.base, ~tmp~9.offset := #t~malloc92.base, #t~malloc92.offset;~p~1.base, ~p~1.offset := ~tmp~9.base, ~tmp~9.offset;assume 0 != (if 0 != (~p~1.base + ~p~1.offset) % 4294967296 then 1 else 0);#res.base, #res.offset := ~p~1.base, ~p~1.offset;: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...