java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:50:55,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:50:55,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:50:55,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:50:55,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:50:55,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:50:55,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:50:55,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:50:55,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:50:55,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:50:55,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:50:55,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:50:55,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:50:55,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:50:55,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:50:55,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:50:55,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:50:55,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:50:55,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:50:55,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:50:55,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:50:55,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:50:55,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:50:55,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:50:55,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:50:55,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:50:55,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:50:55,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:50:55,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:50:55,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:50:55,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:50:55,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:50:55,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:50:55,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:50:55,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:50:55,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:50:55,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:50:55,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:50:55,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:50:55,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:50:55,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:50:55,860 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 [2019-10-13 22:50:55,875 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:50:55,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:50:55,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:50:55,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:50:55,877 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:50:55,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:50:55,877 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:50:55,877 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:50:55,878 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:50:55,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:50:55,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:50:55,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:50:55,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:50:55,879 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:50:55,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:50:55,879 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:50:55,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:50:55,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:50:55,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:50:55,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:50:55,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:50:55,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:50:55,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:50:55,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:50:55,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:50:55,881 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:50:55,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:50:55,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:50:55,882 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 [2019-10-13 22:50:56,185 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:50:56,199 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:50:56,203 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:50:56,204 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:50:56,205 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:50:56,206 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2019-10-13 22:50:56,267 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca328e7e0/697c3e91a157499c9df386f511060228/FLAG8d57345b2 [2019-10-13 22:50:57,123 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:50:57,125 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2019-10-13 22:50:57,170 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca328e7e0/697c3e91a157499c9df386f511060228/FLAG8d57345b2 [2019-10-13 22:50:57,611 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca328e7e0/697c3e91a157499c9df386f511060228 [2019-10-13 22:50:57,623 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:50:57,625 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:50:57,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:50:57,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:50:57,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:50:57,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:50:57" (1/1) ... [2019-10-13 22:50:57,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9167fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:50:57, skipping insertion in model container [2019-10-13 22:50:57,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:50:57" (1/1) ... [2019-10-13 22:50:57,641 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:50:57,801 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:50:59,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:50:59,688 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:50:59,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:51:00,216 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:51:00,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:00 WrapperNode [2019-10-13 22:51:00,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:51:00,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:51:00,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:51:00,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:51:00,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:00" (1/1) ... [2019-10-13 22:51:00,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:00" (1/1) ... [2019-10-13 22:51:00,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:00" (1/1) ... [2019-10-13 22:51:00,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:00" (1/1) ... [2019-10-13 22:51:00,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:00" (1/1) ... [2019-10-13 22:51:00,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:00" (1/1) ... [2019-10-13 22:51:00,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:00" (1/1) ... [2019-10-13 22:51:00,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:51:00,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:51:00,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:51:00,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:51:00,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:00" (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 [2019-10-13 22:51:00,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:51:00,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:51:00,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-13 22:51:00,635 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 22:51:00,635 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-13 22:51:00,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-13 22:51:00,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 22:51:00,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 22:51:00,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-13 22:51:00,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-13 22:51:00,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 22:51:00,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 22:51:00,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 22:51:00,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 22:51:00,641 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 22:51:00,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-13 22:51:00,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-13 22:51:00,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-13 22:51:00,644 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-10-13 22:51:00,645 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-13 22:51:00,645 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-13 22:51:00,645 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-13 22:51:00,645 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-10-13 22:51:00,645 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-13 22:51:00,645 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-13 22:51:00,646 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-13 22:51:00,646 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-13 22:51:00,646 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-13 22:51:00,646 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-13 22:51:00,646 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-13 22:51:00,646 INFO L138 BoogieDeclarations]: Found implementation of procedure inbyte [2019-10-13 22:51:00,646 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nibble [2019-10-13 22:51:00,647 INFO L138 BoogieDeclarations]: Found implementation of procedure read_byte_mode0 [2019-10-13 22:51:00,647 INFO L138 BoogieDeclarations]: Found implementation of procedure read_byte_mode2 [2019-10-13 22:51:00,648 INFO L138 BoogieDeclarations]: Found implementation of procedure read_byte_mode4 [2019-10-13 22:51:00,650 INFO L138 BoogieDeclarations]: Found implementation of procedure read_byte_mode6 [2019-10-13 22:51:00,650 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2019-10-13 22:51:00,650 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg_high [2019-10-13 22:51:00,651 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg_byte [2019-10-13 22:51:00,651 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_mode0 [2019-10-13 22:51:00,651 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_mode1 [2019-10-13 22:51:00,651 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_init [2019-10-13 22:51:00,651 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_probe1 [2019-10-13 22:51:00,651 INFO L138 BoogieDeclarations]: Found implementation of procedure get_node_ID [2019-10-13 22:51:00,651 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_op [2019-10-13 22:51:00,652 INFO L138 BoogieDeclarations]: Found implementation of procedure net_open [2019-10-13 22:51:00,652 INFO L138 BoogieDeclarations]: Found implementation of procedure hardware_init [2019-10-13 22:51:00,652 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_send [2019-10-13 22:51:00,652 INFO L138 BoogieDeclarations]: Found implementation of procedure write_packet [2019-10-13 22:51:00,652 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_timeout [2019-10-13 22:51:00,652 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_send_packet [2019-10-13 22:51:00,652 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_interrupt [2019-10-13 22:51:00,653 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_timed_checker [2019-10-13 22:51:00,653 INFO L138 BoogieDeclarations]: Found implementation of procedure net_rx [2019-10-13 22:51:00,653 INFO L138 BoogieDeclarations]: Found implementation of procedure read_block [2019-10-13 22:51:00,653 INFO L138 BoogieDeclarations]: Found implementation of procedure net_close [2019-10-13 22:51:00,653 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2019-10-13 22:51:00,653 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_init_module [2019-10-13 22:51:00,654 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_cleanup_module [2019-10-13 22:51:00,654 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-13 22:51:00,655 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-13 22:51:00,655 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-13 22:51:00,655 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-13 22:51:00,655 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-13 22:51:00,656 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-13 22:51:00,656 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-13 22:51:00,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-13 22:51:00,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_3 [2019-10-13 22:51:00,656 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-13 22:51:00,656 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:51:00,656 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 22:51:00,657 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 22:51:00,657 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 22:51:00,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-13 22:51:00,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2019-10-13 22:51:00,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2019-10-13 22:51:00,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2019-10-13 22:51:00,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2019-10-13 22:51:00,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2019-10-13 22:51:00,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2019-10-13 22:51:00,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2019-10-13 22:51:00,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2019-10-13 22:51:00,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2019-10-13 22:51:00,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_37 [2019-10-13 22:51:00,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_38 [2019-10-13 22:51:00,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_39 [2019-10-13 22:51:00,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_40 [2019-10-13 22:51:00,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_41 [2019-10-13 22:51:00,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_42 [2019-10-13 22:51:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_43 [2019-10-13 22:51:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 22:51:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 22:51:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 22:51:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 22:51:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 22:51:00,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-13 22:51:00,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 22:51:00,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-13 22:51:00,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-13 22:51:00,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-13 22:51:00,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-13 22:51:00,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 22:51:00,668 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 22:51:00,668 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 22:51:00,668 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:51:00,668 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-13 22:51:00,668 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-13 22:51:00,669 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-13 22:51:00,669 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-13 22:51:00,669 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-10-13 22:51:00,669 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-13 22:51:00,669 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-13 22:51:00,669 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-13 22:51:00,669 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-13 22:51:00,671 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-13 22:51:00,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:51:00,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:51:00,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_3 [2019-10-13 22:51:00,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_3 [2019-10-13 22:51:00,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-13 22:51:00,673 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-13 22:51:00,673 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-13 22:51:00,673 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 22:51:00,673 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-13 22:51:00,674 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-13 22:51:00,674 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-13 22:51:00,674 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-13 22:51:00,675 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:51:00,675 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:51:00,675 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:51:00,675 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 22:51:00,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:51:00,676 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 22:51:00,677 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-13 22:51:00,680 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-13 22:51:00,680 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 22:51:00,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-13 22:51:00,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-13 22:51:00,681 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:51:00,681 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 22:51:00,682 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:51:00,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:51:00,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:51:00,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:51:00,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:51:00,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 22:51:00,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:51:00,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 22:51:00,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 22:51:00,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-13 22:51:00,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-13 22:51:00,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:51:00,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 22:51:00,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 22:51:00,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 22:51:00,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 22:51:00,693 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 22:51:00,693 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 22:51:00,693 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 22:51:00,693 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:51:00,693 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 22:51:00,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-13 22:51:00,694 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 22:51:00,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-13 22:51:00,694 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 22:51:00,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-13 22:51:00,694 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 22:51:00,694 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-13 22:51:00,694 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-13 22:51:00,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_40 [2019-10-13 22:51:00,695 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-10-13 22:51:00,695 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-13 22:51:00,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-13 22:51:00,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-13 22:51:00,695 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-13 22:51:00,695 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-13 22:51:00,696 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-13 22:51:00,696 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-13 22:51:00,696 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-13 22:51:00,696 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-13 22:51:00,696 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-13 22:51:00,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-13 22:51:00,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_3 [2019-10-13 22:51:00,697 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-13 22:51:00,697 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-13 22:51:00,697 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-13 22:51:00,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_39 [2019-10-13 22:51:00,698 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-13 22:51:00,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_41 [2019-10-13 22:51:00,698 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-13 22:51:00,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2019-10-13 22:51:00,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2019-10-13 22:51:00,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2019-10-13 22:51:00,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2019-10-13 22:51:00,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2019-10-13 22:51:00,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2019-10-13 22:51:00,699 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-13 22:51:00,699 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-13 22:51:00,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:51:00,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:51:00,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:51:00,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:51:00,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2019-10-13 22:51:00,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2019-10-13 22:51:00,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2019-10-13 22:51:00,700 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-10-13 22:51:00,700 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-13 22:51:00,700 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-13 22:51:00,701 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-13 22:51:00,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_38 [2019-10-13 22:51:00,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_43 [2019-10-13 22:51:00,701 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-13 22:51:00,701 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-13 22:51:00,701 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-13 22:51:00,701 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-13 22:51:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-13 22:51:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-13 22:51:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-13 22:51:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-13 22:51:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_37 [2019-10-13 22:51:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-13 22:51:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_42 [2019-10-13 22:51:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-13 22:51:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-13 22:51:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-10-13 22:51:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-13 22:51:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-13 22:51:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure inbyte [2019-10-13 22:51:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure read_nibble [2019-10-13 22:51:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure read_byte_mode0 [2019-10-13 22:51:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure read_byte_mode2 [2019-10-13 22:51:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure read_byte_mode4 [2019-10-13 22:51:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure read_byte_mode6 [2019-10-13 22:51:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2019-10-13 22:51:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg_high [2019-10-13 22:51:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg_byte [2019-10-13 22:51:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_mode0 [2019-10-13 22:51:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_mode1 [2019-10-13 22:51:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure atp_timed_checker [2019-10-13 22:51:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure atp_probe1 [2019-10-13 22:51:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure get_node_ID [2019-10-13 22:51:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_op [2019-10-13 22:51:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure net_open [2019-10-13 22:51:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure hardware_init [2019-10-13 22:51:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure write_packet [2019-10-13 22:51:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_send [2019-10-13 22:51:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure atp_send_packet [2019-10-13 22:51:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure atp_interrupt [2019-10-13 22:51:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure net_rx [2019-10-13 22:51:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure read_block [2019-10-13 22:51:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure net_close [2019-10-13 22:51:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2019-10-13 22:51:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure tx_timeout [2019-10-13 22:51:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure atp_init [2019-10-13 22:51:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:51:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:51:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure atp_init_module [2019-10-13 22:51:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure atp_cleanup_module [2019-10-13 22:51:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_3 [2019-10-13 22:51:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:51:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:51:00,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_3 [2019-10-13 22:51:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-13 22:51:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:51:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 22:51:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 22:51:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 22:51:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 22:51:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 22:51:00,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-13 22:51:00,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 22:51:00,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-13 22:51:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-13 22:51:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:51:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-13 22:51:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:51:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:51:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:51:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:51:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:51:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:51:01,939 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 22:51:05,223 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:51:05,224 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 22:51:05,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:51:05 BoogieIcfgContainer [2019-10-13 22:51:05,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:51:05,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:51:05,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:51:05,230 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:51:05,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:50:57" (1/3) ... [2019-10-13 22:51:05,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1277ddd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:51:05, skipping insertion in model container [2019-10-13 22:51:05,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:00" (2/3) ... [2019-10-13 22:51:05,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1277ddd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:51:05, skipping insertion in model container [2019-10-13 22:51:05,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:51:05" (3/3) ... [2019-10-13 22:51:05,235 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2019-10-13 22:51:05,245 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:51:05,257 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:51:05,268 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:51:05,309 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:51:05,309 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:51:05,309 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:51:05,309 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:51:05,309 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:51:05,309 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:51:05,310 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:51:05,310 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:51:05,363 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states. [2019-10-13 22:51:05,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2019-10-13 22:51:05,400 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:51:05,404 INFO L380 BasicCegarLoop]: trace histogram [40, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:51:05,407 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:51:05,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:51:05,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1779509212, now seen corresponding path program 1 times [2019-10-13 22:51:05,423 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:51:05,424 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998912101] [2019-10-13 22:51:05,424 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:05,424 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:05,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:51:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:06,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2019-10-13 22:51:06,317 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998912101] [2019-10-13 22:51:06,318 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:51:06,319 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:51:06,319 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493181069] [2019-10-13 22:51:06,325 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:51:06,325 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:51:06,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:51:06,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:51:06,346 INFO L87 Difference]: Start difference. First operand 879 states. Second operand 5 states. [2019-10-13 22:51:06,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:51:06,735 INFO L93 Difference]: Finished difference Result 2480 states and 3374 transitions. [2019-10-13 22:51:06,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 22:51:06,737 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 281 [2019-10-13 22:51:06,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:51:06,779 INFO L225 Difference]: With dead ends: 2480 [2019-10-13 22:51:06,779 INFO L226 Difference]: Without dead ends: 1597 [2019-10-13 22:51:06,793 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:51:06,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1597 states. [2019-10-13 22:51:07,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1597 to 1582. [2019-10-13 22:51:07,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1582 states. [2019-10-13 22:51:07,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2140 transitions. [2019-10-13 22:51:07,024 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2140 transitions. Word has length 281 [2019-10-13 22:51:07,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:51:07,024 INFO L462 AbstractCegarLoop]: Abstraction has 1582 states and 2140 transitions. [2019-10-13 22:51:07,025 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:51:07,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2140 transitions. [2019-10-13 22:51:07,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2019-10-13 22:51:07,038 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:51:07,039 INFO L380 BasicCegarLoop]: trace histogram [40, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:51:07,039 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:51:07,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:51:07,040 INFO L82 PathProgramCache]: Analyzing trace with hash -710408608, now seen corresponding path program 1 times [2019-10-13 22:51:07,040 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:51:07,040 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603234258] [2019-10-13 22:51:07,040 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:07,040 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:07,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:51:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:07,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2019-10-13 22:51:07,290 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603234258] [2019-10-13 22:51:07,290 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:51:07,290 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:51:07,290 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077202193] [2019-10-13 22:51:07,292 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:51:07,293 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:51:07,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:51:07,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:51:07,293 INFO L87 Difference]: Start difference. First operand 1582 states and 2140 transitions. Second operand 5 states. [2019-10-13 22:51:07,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:51:07,494 INFO L93 Difference]: Finished difference Result 3484 states and 4724 transitions. [2019-10-13 22:51:07,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 22:51:07,495 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 282 [2019-10-13 22:51:07,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:51:07,511 INFO L225 Difference]: With dead ends: 3484 [2019-10-13 22:51:07,511 INFO L226 Difference]: Without dead ends: 2383 [2019-10-13 22:51:07,518 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:51:07,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2383 states. [2019-10-13 22:51:07,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2383 to 2363. [2019-10-13 22:51:07,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2363 states. [2019-10-13 22:51:07,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2363 states to 2363 states and 3198 transitions. [2019-10-13 22:51:07,719 INFO L78 Accepts]: Start accepts. Automaton has 2363 states and 3198 transitions. Word has length 282 [2019-10-13 22:51:07,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:51:07,720 INFO L462 AbstractCegarLoop]: Abstraction has 2363 states and 3198 transitions. [2019-10-13 22:51:07,720 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:51:07,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2363 states and 3198 transitions. [2019-10-13 22:51:07,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-10-13 22:51:07,734 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:51:07,734 INFO L380 BasicCegarLoop]: trace histogram [33, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:51:07,734 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:51:07,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:51:07,735 INFO L82 PathProgramCache]: Analyzing trace with hash -870227043, now seen corresponding path program 1 times [2019-10-13 22:51:07,735 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:51:07,737 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637084240] [2019-10-13 22:51:07,737 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:07,737 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:07,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:51:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:07,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1143 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1143 trivial. 0 not checked. [2019-10-13 22:51:07,956 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637084240] [2019-10-13 22:51:07,956 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:51:07,956 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:51:07,957 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470192945] [2019-10-13 22:51:07,957 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:51:07,958 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:51:07,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:51:07,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:51:07,958 INFO L87 Difference]: Start difference. First operand 2363 states and 3198 transitions. Second operand 5 states. [2019-10-13 22:51:08,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:51:08,152 INFO L93 Difference]: Finished difference Result 4270 states and 5784 transitions. [2019-10-13 22:51:08,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 22:51:08,153 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 256 [2019-10-13 22:51:08,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:51:08,168 INFO L225 Difference]: With dead ends: 4270 [2019-10-13 22:51:08,168 INFO L226 Difference]: Without dead ends: 2387 [2019-10-13 22:51:08,177 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:51:08,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2387 states. [2019-10-13 22:51:08,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2387 to 2367. [2019-10-13 22:51:08,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2367 states. [2019-10-13 22:51:08,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 3200 transitions. [2019-10-13 22:51:08,313 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 3200 transitions. Word has length 256 [2019-10-13 22:51:08,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:51:08,314 INFO L462 AbstractCegarLoop]: Abstraction has 2367 states and 3200 transitions. [2019-10-13 22:51:08,314 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:51:08,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 3200 transitions. [2019-10-13 22:51:08,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-10-13 22:51:08,378 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:51:08,378 INFO L380 BasicCegarLoop]: trace histogram [33, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:51:08,379 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:51:08,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:51:08,379 INFO L82 PathProgramCache]: Analyzing trace with hash 815494201, now seen corresponding path program 1 times [2019-10-13 22:51:08,379 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:51:08,379 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275464315] [2019-10-13 22:51:08,380 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:08,380 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:08,380 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:51:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:08,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1143 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1143 trivial. 0 not checked. [2019-10-13 22:51:08,583 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275464315] [2019-10-13 22:51:08,584 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:51:08,584 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:51:08,584 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712252021] [2019-10-13 22:51:08,585 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:51:08,585 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:51:08,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:51:08,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:51:08,586 INFO L87 Difference]: Start difference. First operand 2367 states and 3200 transitions. Second operand 5 states. [2019-10-13 22:51:08,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:51:08,791 INFO L93 Difference]: Finished difference Result 4079 states and 5503 transitions. [2019-10-13 22:51:08,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 22:51:08,792 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 257 [2019-10-13 22:51:08,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:51:08,809 INFO L225 Difference]: With dead ends: 4079 [2019-10-13 22:51:08,810 INFO L226 Difference]: Without dead ends: 2191 [2019-10-13 22:51:08,821 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:51:08,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2191 states. [2019-10-13 22:51:08,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2191 to 2174. [2019-10-13 22:51:08,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2174 states. [2019-10-13 22:51:08,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 2174 states and 2919 transitions. [2019-10-13 22:51:08,940 INFO L78 Accepts]: Start accepts. Automaton has 2174 states and 2919 transitions. Word has length 257 [2019-10-13 22:51:08,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:51:08,941 INFO L462 AbstractCegarLoop]: Abstraction has 2174 states and 2919 transitions. [2019-10-13 22:51:08,941 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:51:08,941 INFO L276 IsEmpty]: Start isEmpty. Operand 2174 states and 2919 transitions. [2019-10-13 22:51:08,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2019-10-13 22:51:08,957 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:51:08,958 INFO L380 BasicCegarLoop]: trace histogram [40, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:51:08,958 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:51:08,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:51:08,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1641323317, now seen corresponding path program 1 times [2019-10-13 22:51:08,959 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:51:08,959 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239714515] [2019-10-13 22:51:08,960 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:08,960 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:08,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:51:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:09,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1656 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1651 trivial. 0 not checked. [2019-10-13 22:51:09,395 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239714515] [2019-10-13 22:51:09,396 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119972573] [2019-10-13 22:51:09,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:51:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:10,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 2513 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 22:51:10,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:51:10,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1656 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2019-10-13 22:51:10,304 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:51:10,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1656 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2019-10-13 22:51:10,932 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 22:51:10,932 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [9] total 14 [2019-10-13 22:51:10,932 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259675585] [2019-10-13 22:51:10,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 22:51:10,933 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:51:10,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 22:51:10,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2019-10-13 22:51:10,934 INFO L87 Difference]: Start difference. First operand 2174 states and 2919 transitions. Second operand 7 states. [2019-10-13 22:51:11,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:51:11,348 INFO L93 Difference]: Finished difference Result 5155 states and 6939 transitions. [2019-10-13 22:51:11,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-13 22:51:11,348 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 296 [2019-10-13 22:51:11,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:51:11,376 INFO L225 Difference]: With dead ends: 5155 [2019-10-13 22:51:11,377 INFO L226 Difference]: Without dead ends: 3580 [2019-10-13 22:51:11,387 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 612 GetRequests, 586 SyntacticMatches, 7 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2019-10-13 22:51:11,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3580 states. [2019-10-13 22:51:11,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3580 to 3546. [2019-10-13 22:51:11,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3546 states. [2019-10-13 22:51:11,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3546 states to 3546 states and 4770 transitions. [2019-10-13 22:51:11,602 INFO L78 Accepts]: Start accepts. Automaton has 3546 states and 4770 transitions. Word has length 296 [2019-10-13 22:51:11,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:51:11,603 INFO L462 AbstractCegarLoop]: Abstraction has 3546 states and 4770 transitions. [2019-10-13 22:51:11,603 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 22:51:11,603 INFO L276 IsEmpty]: Start isEmpty. Operand 3546 states and 4770 transitions. [2019-10-13 22:51:11,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2019-10-13 22:51:11,626 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:51:11,627 INFO L380 BasicCegarLoop]: trace histogram [40, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:51:11,837 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:51:11,837 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:51:11,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:51:11,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1670683702, now seen corresponding path program 1 times [2019-10-13 22:51:11,839 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:51:11,839 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195648355] [2019-10-13 22:51:11,839 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:11,839 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:11,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:51:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:12,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2019-10-13 22:51:12,284 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195648355] [2019-10-13 22:51:12,285 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923729633] [2019-10-13 22:51:12,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:51:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:12,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 2515 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 22:51:13,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:51:13,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2019-10-13 22:51:13,161 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:51:14,214 WARN L191 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2019-10-13 22:51:14,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2019-10-13 22:51:14,269 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 22:51:14,270 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [10] total 15 [2019-10-13 22:51:14,270 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854922097] [2019-10-13 22:51:14,271 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 22:51:14,271 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:51:14,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 22:51:14,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-13 22:51:14,271 INFO L87 Difference]: Start difference. First operand 3546 states and 4770 transitions. Second operand 7 states. [2019-10-13 22:51:14,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:51:14,717 INFO L93 Difference]: Finished difference Result 7910 states and 10654 transitions. [2019-10-13 22:51:14,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-13 22:51:14,718 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 297 [2019-10-13 22:51:14,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:51:14,754 INFO L225 Difference]: With dead ends: 7910 [2019-10-13 22:51:14,754 INFO L226 Difference]: Without dead ends: 4963 [2019-10-13 22:51:14,770 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 613 GetRequests, 586 SyntacticMatches, 7 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2019-10-13 22:51:14,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4963 states. [2019-10-13 22:51:15,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4963 to 4923. [2019-10-13 22:51:15,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4923 states. [2019-10-13 22:51:15,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4923 states to 4923 states and 6631 transitions. [2019-10-13 22:51:15,059 INFO L78 Accepts]: Start accepts. Automaton has 4923 states and 6631 transitions. Word has length 297 [2019-10-13 22:51:15,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:51:15,060 INFO L462 AbstractCegarLoop]: Abstraction has 4923 states and 6631 transitions. [2019-10-13 22:51:15,060 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 22:51:15,060 INFO L276 IsEmpty]: Start isEmpty. Operand 4923 states and 6631 transitions. [2019-10-13 22:51:15,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2019-10-13 22:51:15,102 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:51:15,103 INFO L380 BasicCegarLoop]: trace histogram [40, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:51:15,322 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:51:15,322 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:51:15,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:51:15,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1559268188, now seen corresponding path program 1 times [2019-10-13 22:51:15,323 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:51:15,324 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620134079] [2019-10-13 22:51:15,324 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:15,324 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:15,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:51:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:15,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2019-10-13 22:51:15,855 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620134079] [2019-10-13 22:51:15,855 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485656783] [2019-10-13 22:51:15,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:51:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:16,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 2517 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 22:51:16,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:51:17,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2019-10-13 22:51:17,169 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:51:17,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2019-10-13 22:51:17,766 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 22:51:17,767 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [10] total 15 [2019-10-13 22:51:17,767 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691347355] [2019-10-13 22:51:17,768 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 22:51:17,768 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:51:17,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 22:51:17,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-13 22:51:17,769 INFO L87 Difference]: Start difference. First operand 4923 states and 6631 transitions. Second operand 7 states. [2019-10-13 22:51:18,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:51:18,239 INFO L93 Difference]: Finished difference Result 10662 states and 14375 transitions. [2019-10-13 22:51:18,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-13 22:51:18,239 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 298 [2019-10-13 22:51:18,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:51:18,284 INFO L225 Difference]: With dead ends: 10662 [2019-10-13 22:51:18,284 INFO L226 Difference]: Without dead ends: 6338 [2019-10-13 22:51:18,306 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 615 GetRequests, 588 SyntacticMatches, 7 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2019-10-13 22:51:18,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6338 states. [2019-10-13 22:51:18,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6338 to 4924. [2019-10-13 22:51:18,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4924 states. [2019-10-13 22:51:18,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4924 states to 4924 states and 6632 transitions. [2019-10-13 22:51:18,704 INFO L78 Accepts]: Start accepts. Automaton has 4924 states and 6632 transitions. Word has length 298 [2019-10-13 22:51:18,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:51:18,705 INFO L462 AbstractCegarLoop]: Abstraction has 4924 states and 6632 transitions. [2019-10-13 22:51:18,705 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 22:51:18,705 INFO L276 IsEmpty]: Start isEmpty. Operand 4924 states and 6632 transitions. [2019-10-13 22:51:18,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2019-10-13 22:51:18,749 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:51:18,750 INFO L380 BasicCegarLoop]: trace histogram [40, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:51:18,960 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:51:18,961 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:51:18,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:51:18,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1378767101, now seen corresponding path program 1 times [2019-10-13 22:51:18,962 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:51:18,962 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434624691] [2019-10-13 22:51:18,963 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:18,963 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:18,963 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:51:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:19,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2019-10-13 22:51:19,390 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434624691] [2019-10-13 22:51:19,390 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864913166] [2019-10-13 22:51:19,391 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:51:20,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:20,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 2519 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 22:51:20,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:51:20,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2019-10-13 22:51:20,542 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:51:21,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2019-10-13 22:51:21,324 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 22:51:21,325 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [10] total 15 [2019-10-13 22:51:21,325 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135841104] [2019-10-13 22:51:21,326 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 22:51:21,326 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:51:21,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 22:51:21,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-13 22:51:21,327 INFO L87 Difference]: Start difference. First operand 4924 states and 6632 transitions. Second operand 7 states. [2019-10-13 22:51:21,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:51:21,851 INFO L93 Difference]: Finished difference Result 10665 states and 14376 transitions. [2019-10-13 22:51:21,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-13 22:51:21,852 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 299 [2019-10-13 22:51:21,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:51:21,926 INFO L225 Difference]: With dead ends: 10665 [2019-10-13 22:51:21,926 INFO L226 Difference]: Without dead ends: 6340 [2019-10-13 22:51:21,954 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 617 GetRequests, 590 SyntacticMatches, 7 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2019-10-13 22:51:21,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6340 states. [2019-10-13 22:51:22,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6340 to 4925. [2019-10-13 22:51:22,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4925 states. [2019-10-13 22:51:22,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4925 states to 4925 states and 6631 transitions. [2019-10-13 22:51:22,228 INFO L78 Accepts]: Start accepts. Automaton has 4925 states and 6631 transitions. Word has length 299 [2019-10-13 22:51:22,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:51:22,229 INFO L462 AbstractCegarLoop]: Abstraction has 4925 states and 6631 transitions. [2019-10-13 22:51:22,229 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 22:51:22,229 INFO L276 IsEmpty]: Start isEmpty. Operand 4925 states and 6631 transitions. [2019-10-13 22:51:22,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2019-10-13 22:51:22,263 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:51:22,263 INFO L380 BasicCegarLoop]: trace histogram [33, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:51:22,470 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:51:22,471 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:51:22,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:51:22,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1802326449, now seen corresponding path program 1 times [2019-10-13 22:51:22,472 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:51:22,472 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441571072] [2019-10-13 22:51:22,473 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:22,473 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:22,473 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:51:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:22,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1175 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 1145 trivial. 0 not checked. [2019-10-13 22:51:22,894 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441571072] [2019-10-13 22:51:22,895 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220370899] [2019-10-13 22:51:22,895 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:51:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:23,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 2512 conjuncts, 16 conjunts are in the unsatisfiable core [2019-10-13 22:51:23,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:51:24,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1175 backedges. 16 proven. 11 refuted. 0 times theorem prover too weak. 1148 trivial. 0 not checked. [2019-10-13 22:51:24,115 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:51:24,684 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:51:24,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1175 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 1148 trivial. 0 not checked. [2019-10-13 22:51:24,994 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [66167320] [2019-10-13 22:51:25,026 INFO L162 IcfgInterpreter]: Started Sifa with 146 locations of interest [2019-10-13 22:51:25,027 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 22:51:25,034 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 22:51:25,042 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 22:51:25,043 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs