java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 00:52:38,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 00:52:38,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 00:52:38,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 00:52:38,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 00:52:38,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 00:52:38,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 00:52:38,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 00:52:38,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 00:52:38,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 00:52:38,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 00:52:38,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 00:52:38,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 00:52:38,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 00:52:38,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 00:52:38,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 00:52:38,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 00:52:38,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 00:52:38,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 00:52:38,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 00:52:38,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 00:52:38,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 00:52:38,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 00:52:38,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 00:52:38,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 00:52:38,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 00:52:38,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 00:52:38,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 00:52:38,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 00:52:38,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 00:52:38,136 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 00:52:38,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 00:52:38,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 00:52:38,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 00:52:38,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 00:52:38,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 00:52:38,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 00:52:38,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 00:52:38,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 00:52:38,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 00:52:38,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 00:52:38,152 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 00:52:38,176 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 00:52:38,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 00:52:38,178 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 00:52:38,178 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 00:52:38,179 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 00:52:38,179 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 00:52:38,179 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 00:52:38,179 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 00:52:38,180 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 00:52:38,180 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 00:52:38,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 00:52:38,182 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 00:52:38,183 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 00:52:38,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 00:52:38,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 00:52:38,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 00:52:38,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 00:52:38,184 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 00:52:38,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 00:52:38,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 00:52:38,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 00:52:38,185 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 00:52:38,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 00:52:38,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 00:52:38,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 00:52:38,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 00:52:38,186 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 00:52:38,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 00:52:38,186 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 00:52:38,186 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 00:52:38,236 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 00:52:38,258 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 00:52:38,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 00:52:38,264 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 00:52:38,265 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 00:52:38,266 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2019-10-03 00:52:38,343 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baf842fbf/03a40b9363dc4c0894147ca153375ba9/FLAG1a64098c1 [2019-10-03 00:52:39,183 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 00:52:39,184 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2019-10-03 00:52:39,225 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baf842fbf/03a40b9363dc4c0894147ca153375ba9/FLAG1a64098c1 [2019-10-03 00:52:39,653 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baf842fbf/03a40b9363dc4c0894147ca153375ba9 [2019-10-03 00:52:39,663 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 00:52:39,665 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 00:52:39,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 00:52:39,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 00:52:39,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 00:52:39,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:52:39" (1/1) ... [2019-10-03 00:52:39,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6437ec51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:39, skipping insertion in model container [2019-10-03 00:52:39,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:52:39" (1/1) ... [2019-10-03 00:52:39,682 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 00:52:39,816 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 00:52:41,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:52:41,886 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 00:52:42,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:52:42,444 INFO L192 MainTranslator]: Completed translation [2019-10-03 00:52:42,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:42 WrapperNode [2019-10-03 00:52:42,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 00:52:42,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 00:52:42,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 00:52:42,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 00:52:42,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:42" (1/1) ... [2019-10-03 00:52:42,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:42" (1/1) ... [2019-10-03 00:52:42,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:42" (1/1) ... [2019-10-03 00:52:42,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:42" (1/1) ... [2019-10-03 00:52:42,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:42" (1/1) ... [2019-10-03 00:52:42,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:42" (1/1) ... [2019-10-03 00:52:42,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:42" (1/1) ... [2019-10-03 00:52:42,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 00:52:42,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 00:52:42,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 00:52:42,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 00:52:42,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:42" (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 [2019-10-03 00:52:42,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 00:52:42,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 00:52:42,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-03 00:52:42,882 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-03 00:52:42,883 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-03 00:52:42,883 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-03 00:52:42,883 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-03 00:52:42,883 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-03 00:52:42,883 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2019-10-03 00:52:42,884 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2019-10-03 00:52:42,885 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-03 00:52:42,886 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-03 00:52:42,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2019-10-03 00:52:42,888 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-03 00:52:42,889 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-03 00:52:42,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-03 00:52:42,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-03 00:52:42,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-03 00:52:42,890 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-03 00:52:42,891 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-03 00:52:42,891 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-10-03 00:52:42,891 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_hwtstamps [2019-10-03 00:52:42,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-10-03 00:52:42,892 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-10-03 00:52:42,892 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2019-10-03 00:52:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2019-10-03 00:52:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 00:52:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 00:52:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 00:52:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 00:52:42,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 00:52:42,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-03 00:52:42,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 00:52:42,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 00:52:42,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-03 00:52:42,895 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hdr [2019-10-03 00:52:42,895 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2019-10-03 00:52:42,895 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2019-10-03 00:52:42,895 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_gpio_defaults [2019-10-03 00:52:42,896 INFO L138 BoogieDeclarations]: Found implementation of procedure broadcast_write [2019-10-03 00:52:42,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_read [2019-10-03 00:52:42,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_write [2019-10-03 00:52:42,896 INFO L138 BoogieDeclarations]: Found implementation of procedure tdr_write [2019-10-03 00:52:42,897 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2rxts [2019-10-03 00:52:42,897 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2txts [2019-10-03 00:52:42,897 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_output [2019-10-03 00:52:42,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_adjfreq [2019-10-03 00:52:42,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_adjtime [2019-10-03 00:52:42,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_gettime [2019-10-03 00:52:42,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_settime [2019-10-03 00:52:42,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_enable [2019-10-03 00:52:42,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_verify [2019-10-03 00:52:42,898 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_status_frames [2019-10-03 00:52:42,898 INFO L138 BoogieDeclarations]: Found implementation of procedure is_status_frame [2019-10-03 00:52:42,899 INFO L138 BoogieDeclarations]: Found implementation of procedure expired [2019-10-03 00:52:42,899 INFO L138 BoogieDeclarations]: Found implementation of procedure prune_rx_ts [2019-10-03 00:52:42,899 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_broadcast [2019-10-03 00:52:42,899 INFO L138 BoogieDeclarations]: Found implementation of procedure recalibrate [2019-10-03 00:52:42,900 INFO L138 BoogieDeclarations]: Found implementation of procedure exts_chan_to_edata [2019-10-03 00:52:42,900 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_evnt [2019-10-03 00:52:42,900 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_rxts [2019-10-03 00:52:42,900 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_txts [2019-10-03 00:52:42,900 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_status_frame [2019-10-03 00:52:42,900 INFO L138 BoogieDeclarations]: Found implementation of procedure is_sync [2019-10-03 00:52:42,901 INFO L138 BoogieDeclarations]: Found implementation of procedure match [2019-10-03 00:52:42,901 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_free_clocks [2019-10-03 00:52:42,901 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_init [2019-10-03 00:52:42,902 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_this_phy [2019-10-03 00:52:42,902 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get [2019-10-03 00:52:42,902 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get_bus [2019-10-03 00:52:42,902 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_put [2019-10-03 00:52:42,902 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_probe [2019-10-03 00:52:42,902 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_remove [2019-10-03 00:52:42,903 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_init [2019-10-03 00:52:42,904 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ack_interrupt [2019-10-03 00:52:42,904 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_intr [2019-10-03 00:52:42,904 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_hwtstamp [2019-10-03 00:52:42,904 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_timestamp_work [2019-10-03 00:52:42,904 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_rxtstamp [2019-10-03 00:52:42,905 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_txtstamp [2019-10-03 00:52:42,905 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ts_info [2019-10-03 00:52:42,905 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_init [2019-10-03 00:52:42,906 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_exit [2019-10-03 00:52:42,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_phy_driver_1 [2019-10-03 00:52:42,906 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 00:52:42,907 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-03 00:52:42,907 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-03 00:52:42,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-03 00:52:42,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-03 00:52:42,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-03 00:52:42,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-03 00:52:42,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-03 00:52:42,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_12 [2019-10-03 00:52:42,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-10-03 00:52:42,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2019-10-03 00:52:42,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_15 [2019-10-03 00:52:42,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_ni_16 [2019-10-03 00:52:42,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_17 [2019-10-03 00:52:42,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_18 [2019-10-03 00:52:42,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-03 00:52:42,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-03 00:52:42,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-03 00:52:42,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-03 00:52:42,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-03 00:52:42,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-03 00:52:42,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-03 00:52:42,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-03 00:52:42,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-03 00:52:42,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-03 00:52:42,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 00:52:42,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-03 00:52:42,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-03 00:52:42,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-03 00:52:42,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-03 00:52:42,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-03 00:52:42,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 00:52:42,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-03 00:52:42,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-03 00:52:42,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-03 00:52:42,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-03 00:52:42,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-03 00:52:42,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-03 00:52:42,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-03 00:52:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-03 00:52:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-03 00:52:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-03 00:52:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-03 00:52:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-03 00:52:42,917 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-10-03 00:52:42,917 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_add [2019-10-03 00:52:42,917 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_del [2019-10-03 00:52:42,917 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_config_aneg [2019-10-03 00:52:42,917 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_read_status [2019-10-03 00:52:42,918 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2019-10-03 00:52:42,918 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-03 00:52:42,918 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-03 00:52:42,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_read [2019-10-03 00:52:42,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2019-10-03 00:52:42,919 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-03 00:52:42,925 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2019-10-03 00:52:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-03 00:52:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-03 00:52:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2019-10-03 00:52:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_driver_register [2019-10-03 00:52:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_driver_unregister [2019-10-03 00:52:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-03 00:52:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_event [2019-10-03 00:52:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_index [2019-10-03 00:52:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_register [2019-10-03 00:52:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_unregister [2019-10-03 00:52:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_find_pin [2019-10-03 00:52:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2019-10-03 00:52:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-03 00:52:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_complete_tx_timestamp [2019-10-03 00:52:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-10-03 00:52:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 00:52:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 00:52:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-03 00:52:42,934 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 00:52:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 00:52:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 00:52:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-03 00:52:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-03 00:52:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-03 00:52:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-03 00:52:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-03 00:52:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-03 00:52:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-03 00:52:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-03 00:52:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-03 00:52:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 00:52:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-03 00:52:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-03 00:52:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 00:52:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-03 00:52:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-03 00:52:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-03 00:52:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-03 00:52:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-03 00:52:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-03 00:52:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-03 00:52:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2019-10-03 00:52:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 00:52:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2019-10-03 00:52:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 00:52:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 00:52:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-03 00:52:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-03 00:52:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-03 00:52:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-03 00:52:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-03 00:52:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-03 00:52:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-03 00:52:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-03 00:52:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2019-10-03 00:52:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-03 00:52:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-03 00:52:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-03 00:52:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2019-10-03 00:52:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2019-10-03 00:52:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 00:52:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-03 00:52:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-03 00:52:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-10-03 00:52:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-03 00:52:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-03 00:52:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 00:52:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 00:52:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-03 00:52:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-03 00:52:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-03 00:52:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-03 00:52:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-03 00:52:42,942 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-03 00:52:42,942 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-03 00:52:42,942 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-03 00:52:42,942 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-03 00:52:42,942 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2019-10-03 00:52:42,942 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2019-10-03 00:52:42,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-03 00:52:42,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-03 00:52:42,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-03 00:52:42,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-03 00:52:42,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-10-03 00:52:42,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_18 [2019-10-03 00:52:42,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-03 00:52:42,943 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-10-03 00:52:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure skb_hwtstamps [2019-10-03 00:52:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-10-03 00:52:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-10-03 00:52:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-10-03 00:52:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_12 [2019-10-03 00:52:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2019-10-03 00:52:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_15 [2019-10-03 00:52:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_17 [2019-10-03 00:52:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2019-10-03 00:52:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2019-10-03 00:52:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure skb_complete_tx_timestamp [2019-10-03 00:52:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-03 00:52:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-03 00:52:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-03 00:52:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 00:52:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 00:52:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 00:52:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 00:52:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 00:52:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 00:52:42,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 00:52:42,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 00:52:42,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 00:52:42,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 00:52:42,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 00:52:42,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 00:52:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-03 00:52:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 00:52:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-03 00:52:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_phy_driver_1 [2019-10-03 00:52:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hdr [2019-10-03 00:52:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_ni_16 [2019-10-03 00:52:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_add [2019-10-03 00:52:42,949 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_del [2019-10-03 00:52:42,949 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_read [2019-10-03 00:52:42,949 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2019-10-03 00:52:42,949 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2019-10-03 00:52:42,949 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2019-10-03 00:52:42,950 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_config_aneg [2019-10-03 00:52:42,954 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_read_status [2019-10-03 00:52:42,954 INFO L130 BoogieDeclarations]: Found specification of procedure phy_driver_unregister [2019-10-03 00:52:42,955 INFO L130 BoogieDeclarations]: Found specification of procedure phy_driver_register [2019-10-03 00:52:42,955 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_register [2019-10-03 00:52:42,955 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_unregister [2019-10-03 00:52:42,958 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_event [2019-10-03 00:52:42,958 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_index [2019-10-03 00:52:42,959 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_find_pin [2019-10-03 00:52:42,959 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_gpio_defaults [2019-10-03 00:52:42,959 INFO L130 BoogieDeclarations]: Found specification of procedure rx_timestamp_work [2019-10-03 00:52:42,959 INFO L130 BoogieDeclarations]: Found specification of procedure broadcast_write [2019-10-03 00:52:42,959 INFO L130 BoogieDeclarations]: Found specification of procedure ext_read [2019-10-03 00:52:42,959 INFO L130 BoogieDeclarations]: Found specification of procedure ext_write [2019-10-03 00:52:42,959 INFO L130 BoogieDeclarations]: Found specification of procedure tdr_write [2019-10-03 00:52:42,959 INFO L130 BoogieDeclarations]: Found specification of procedure phy2rxts [2019-10-03 00:52:42,960 INFO L130 BoogieDeclarations]: Found specification of procedure phy2txts [2019-10-03 00:52:42,960 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_output [2019-10-03 00:52:42,960 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_adjfreq [2019-10-03 00:52:42,960 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_adjtime [2019-10-03 00:52:42,960 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_gettime [2019-10-03 00:52:42,960 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_settime [2019-10-03 00:52:42,960 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_enable [2019-10-03 00:52:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_verify [2019-10-03 00:52:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure enable_status_frames [2019-10-03 00:52:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure is_status_frame [2019-10-03 00:52:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure expired [2019-10-03 00:52:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure prune_rx_ts [2019-10-03 00:52:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure enable_broadcast [2019-10-03 00:52:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure recalibrate [2019-10-03 00:52:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure exts_chan_to_edata [2019-10-03 00:52:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure decode_evnt [2019-10-03 00:52:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure decode_rxts [2019-10-03 00:52:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure decode_txts [2019-10-03 00:52:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-03 00:52:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure decode_status_frame [2019-10-03 00:52:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure is_sync [2019-10-03 00:52:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure match [2019-10-03 00:52:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_free_clocks [2019-10-03 00:52:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_init [2019-10-03 00:52:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure choose_this_phy [2019-10-03 00:52:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get [2019-10-03 00:52:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get_bus [2019-10-03 00:52:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_put [2019-10-03 00:52:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_probe [2019-10-03 00:52:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_remove [2019-10-03 00:52:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_init [2019-10-03 00:52:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ack_interrupt [2019-10-03 00:52:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_intr [2019-10-03 00:52:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_hwtstamp [2019-10-03 00:52:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_rxtstamp [2019-10-03 00:52:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_txtstamp [2019-10-03 00:52:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ts_info [2019-10-03 00:52:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_init [2019-10-03 00:52:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_exit [2019-10-03 00:52:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 00:52:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 00:52:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 00:52:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-03 00:52:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-03 00:52:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-03 00:52:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-03 00:52:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-03 00:52:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-03 00:52:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-03 00:52:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-03 00:52:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-03 00:52:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-03 00:52:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-03 00:52:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 00:52:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 00:52:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 00:52:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 00:52:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 00:52:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 00:52:44,360 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 00:53:02,907 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 00:53:02,908 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 00:53:02,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:53:02 BoogieIcfgContainer [2019-10-03 00:53:02,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 00:53:02,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 00:53:02,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 00:53:02,914 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 00:53:02,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 12:52:39" (1/3) ... [2019-10-03 00:53:02,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@568ea2bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:53:02, skipping insertion in model container [2019-10-03 00:53:02,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:42" (2/3) ... [2019-10-03 00:53:02,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@568ea2bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:53:02, skipping insertion in model container [2019-10-03 00:53:02,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:53:02" (3/3) ... [2019-10-03 00:53:02,919 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2019-10-03 00:53:02,928 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 00:53:02,939 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 00:53:02,955 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 00:53:02,983 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 00:53:02,983 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 00:53:02,984 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 00:53:02,984 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 00:53:02,984 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 00:53:02,984 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 00:53:02,984 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 00:53:02,984 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 00:53:03,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states. [2019-10-03 00:53:03,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-03 00:53:03,065 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:53:03,066 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:53:03,068 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:53:03,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:53:03,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1493319937, now seen corresponding path program 1 times [2019-10-03 00:53:03,076 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:53:03,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:03,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:53:03,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:03,158 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:53:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:53:03,685 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-03 00:53:03,688 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:53:03,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 00:53:03,688 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:53:03,693 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 00:53:03,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 00:53:03,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 00:53:03,711 INFO L87 Difference]: Start difference. First operand 1203 states. Second operand 6 states. [2019-10-03 00:53:05,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:53:05,539 INFO L93 Difference]: Finished difference Result 2065 states and 2668 transitions. [2019-10-03 00:53:05,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 00:53:05,541 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2019-10-03 00:53:05,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:53:05,592 INFO L225 Difference]: With dead ends: 2065 [2019-10-03 00:53:05,593 INFO L226 Difference]: Without dead ends: 1994 [2019-10-03 00:53:05,594 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-03 00:53:05,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1994 states. [2019-10-03 00:53:05,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1994 to 1994. [2019-10-03 00:53:05,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2019-10-03 00:53:05,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 2581 transitions. [2019-10-03 00:53:05,844 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 2581 transitions. Word has length 55 [2019-10-03 00:53:05,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:53:05,845 INFO L475 AbstractCegarLoop]: Abstraction has 1994 states and 2581 transitions. [2019-10-03 00:53:05,846 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 00:53:05,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2581 transitions. [2019-10-03 00:53:05,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-10-03 00:53:05,867 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:53:05,867 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:53:05,868 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:53:05,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:53:05,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1273158294, now seen corresponding path program 1 times [2019-10-03 00:53:05,868 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:53:05,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:05,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:53:05,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:05,892 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:53:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:53:06,090 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-03 00:53:06,091 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:53:06,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:53:06,091 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:53:06,093 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:53:06,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:53:06,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:53:06,094 INFO L87 Difference]: Start difference. First operand 1994 states and 2581 transitions. Second operand 3 states. [2019-10-03 00:53:06,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:53:06,271 INFO L93 Difference]: Finished difference Result 2116 states and 2722 transitions. [2019-10-03 00:53:06,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:53:06,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2019-10-03 00:53:06,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:53:06,286 INFO L225 Difference]: With dead ends: 2116 [2019-10-03 00:53:06,286 INFO L226 Difference]: Without dead ends: 2116 [2019-10-03 00:53:06,287 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:53:06,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2116 states. [2019-10-03 00:53:06,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2116 to 2104. [2019-10-03 00:53:06,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2104 states. [2019-10-03 00:53:06,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 2104 states and 2711 transitions. [2019-10-03 00:53:06,372 INFO L78 Accepts]: Start accepts. Automaton has 2104 states and 2711 transitions. Word has length 119 [2019-10-03 00:53:06,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:53:06,372 INFO L475 AbstractCegarLoop]: Abstraction has 2104 states and 2711 transitions. [2019-10-03 00:53:06,372 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:53:06,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 2711 transitions. [2019-10-03 00:53:06,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-03 00:53:06,383 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:53:06,383 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:53:06,383 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:53:06,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:53:06,384 INFO L82 PathProgramCache]: Analyzing trace with hash 383993374, now seen corresponding path program 1 times [2019-10-03 00:53:06,384 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:53:06,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:06,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:53:06,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:06,397 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:53:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:53:06,594 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-03 00:53:06,594 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:53:06,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:53:06,595 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:53:06,595 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:53:06,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:53:06,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:53:06,596 INFO L87 Difference]: Start difference. First operand 2104 states and 2711 transitions. Second operand 3 states. [2019-10-03 00:53:07,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:53:07,067 INFO L93 Difference]: Finished difference Result 3560 states and 4547 transitions. [2019-10-03 00:53:07,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:53:07,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2019-10-03 00:53:07,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:53:07,093 INFO L225 Difference]: With dead ends: 3560 [2019-10-03 00:53:07,093 INFO L226 Difference]: Without dead ends: 3560 [2019-10-03 00:53:07,094 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:53:07,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3560 states. [2019-10-03 00:53:07,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3560 to 3548. [2019-10-03 00:53:07,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3548 states. [2019-10-03 00:53:07,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3548 states to 3548 states and 4536 transitions. [2019-10-03 00:53:07,229 INFO L78 Accepts]: Start accepts. Automaton has 3548 states and 4536 transitions. Word has length 154 [2019-10-03 00:53:07,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:53:07,229 INFO L475 AbstractCegarLoop]: Abstraction has 3548 states and 4536 transitions. [2019-10-03 00:53:07,229 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:53:07,230 INFO L276 IsEmpty]: Start isEmpty. Operand 3548 states and 4536 transitions. [2019-10-03 00:53:07,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-03 00:53:07,239 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:53:07,240 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:53:07,240 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:53:07,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:53:07,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1214910702, now seen corresponding path program 1 times [2019-10-03 00:53:07,241 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:53:07,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:07,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:53:07,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:07,251 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:53:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:53:07,444 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-03 00:53:07,445 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:53:07,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:53:07,445 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:53:07,446 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:53:07,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:53:07,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:53:07,447 INFO L87 Difference]: Start difference. First operand 3548 states and 4536 transitions. Second operand 3 states. [2019-10-03 00:53:07,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:53:07,510 INFO L93 Difference]: Finished difference Result 3556 states and 4544 transitions. [2019-10-03 00:53:07,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:53:07,511 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2019-10-03 00:53:07,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:53:07,537 INFO L225 Difference]: With dead ends: 3556 [2019-10-03 00:53:07,537 INFO L226 Difference]: Without dead ends: 3556 [2019-10-03 00:53:07,537 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:53:07,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3556 states. [2019-10-03 00:53:07,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3556 to 3552. [2019-10-03 00:53:07,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3552 states. [2019-10-03 00:53:07,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3552 states to 3552 states and 4540 transitions. [2019-10-03 00:53:07,688 INFO L78 Accepts]: Start accepts. Automaton has 3552 states and 4540 transitions. Word has length 154 [2019-10-03 00:53:07,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:53:07,689 INFO L475 AbstractCegarLoop]: Abstraction has 3552 states and 4540 transitions. [2019-10-03 00:53:07,689 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:53:07,690 INFO L276 IsEmpty]: Start isEmpty. Operand 3552 states and 4540 transitions. [2019-10-03 00:53:07,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-03 00:53:07,701 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:53:07,701 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:53:07,702 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:53:07,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:53:07,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1683906963, now seen corresponding path program 1 times [2019-10-03 00:53:07,702 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:53:07,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:07,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:53:07,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:07,712 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:53:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:53:07,870 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-03 00:53:07,870 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:53:07,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:53:07,870 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:53:07,871 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:53:07,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:53:07,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:53:07,872 INFO L87 Difference]: Start difference. First operand 3552 states and 4540 transitions. Second operand 3 states. [2019-10-03 00:53:08,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:53:08,071 INFO L93 Difference]: Finished difference Result 3498 states and 4470 transitions. [2019-10-03 00:53:08,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:53:08,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2019-10-03 00:53:08,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:53:08,093 INFO L225 Difference]: With dead ends: 3498 [2019-10-03 00:53:08,093 INFO L226 Difference]: Without dead ends: 3485 [2019-10-03 00:53:08,093 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:53:08,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3485 states. [2019-10-03 00:53:08,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3485 to 3485. [2019-10-03 00:53:08,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3485 states. [2019-10-03 00:53:08,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3485 states to 3485 states and 4452 transitions. [2019-10-03 00:53:08,200 INFO L78 Accepts]: Start accepts. Automaton has 3485 states and 4452 transitions. Word has length 156 [2019-10-03 00:53:08,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:53:08,201 INFO L475 AbstractCegarLoop]: Abstraction has 3485 states and 4452 transitions. [2019-10-03 00:53:08,201 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:53:08,201 INFO L276 IsEmpty]: Start isEmpty. Operand 3485 states and 4452 transitions. [2019-10-03 00:53:08,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-03 00:53:08,212 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:53:08,212 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:53:08,212 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:53:08,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:53:08,213 INFO L82 PathProgramCache]: Analyzing trace with hash -816200385, now seen corresponding path program 1 times [2019-10-03 00:53:08,213 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:53:08,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:08,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:53:08,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:08,222 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:53:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:53:08,384 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-03 00:53:08,385 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:53:08,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 00:53:08,385 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:53:08,386 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 00:53:08,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 00:53:08,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:53:08,386 INFO L87 Difference]: Start difference. First operand 3485 states and 4452 transitions. Second operand 5 states. [2019-10-03 00:53:08,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:53:08,457 INFO L93 Difference]: Finished difference Result 3521 states and 4496 transitions. [2019-10-03 00:53:08,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 00:53:08,457 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 165 [2019-10-03 00:53:08,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:53:08,478 INFO L225 Difference]: With dead ends: 3521 [2019-10-03 00:53:08,478 INFO L226 Difference]: Without dead ends: 3521 [2019-10-03 00:53:08,479 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:53:08,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3521 states. [2019-10-03 00:53:08,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3521 to 3511. [2019-10-03 00:53:08,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3511 states. [2019-10-03 00:53:08,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3511 states to 3511 states and 4482 transitions. [2019-10-03 00:53:08,593 INFO L78 Accepts]: Start accepts. Automaton has 3511 states and 4482 transitions. Word has length 165 [2019-10-03 00:53:08,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:53:08,594 INFO L475 AbstractCegarLoop]: Abstraction has 3511 states and 4482 transitions. [2019-10-03 00:53:08,594 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 00:53:08,594 INFO L276 IsEmpty]: Start isEmpty. Operand 3511 states and 4482 transitions. [2019-10-03 00:53:08,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-03 00:53:08,606 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:53:08,606 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:53:08,606 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:53:08,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:53:08,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1177891294, now seen corresponding path program 1 times [2019-10-03 00:53:08,607 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:53:08,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:08,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:53:08,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:08,619 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:53:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:53:09,067 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-03 00:53:09,067 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:53:09,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-03 00:53:09,068 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:53:09,068 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-03 00:53:09,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-03 00:53:09,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-10-03 00:53:09,069 INFO L87 Difference]: Start difference. First operand 3511 states and 4482 transitions. Second operand 9 states. [2019-10-03 00:53:36,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:53:36,737 INFO L93 Difference]: Finished difference Result 4216 states and 5401 transitions. [2019-10-03 00:53:36,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-03 00:53:36,738 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 166 [2019-10-03 00:53:36,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:53:36,761 INFO L225 Difference]: With dead ends: 4216 [2019-10-03 00:53:36,761 INFO L226 Difference]: Without dead ends: 4216 [2019-10-03 00:53:36,762 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2019-10-03 00:53:36,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4216 states. [2019-10-03 00:53:36,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4216 to 4132. [2019-10-03 00:53:36,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4132 states. [2019-10-03 00:53:36,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4132 states to 4132 states and 5280 transitions. [2019-10-03 00:53:36,884 INFO L78 Accepts]: Start accepts. Automaton has 4132 states and 5280 transitions. Word has length 166 [2019-10-03 00:53:36,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:53:36,885 INFO L475 AbstractCegarLoop]: Abstraction has 4132 states and 5280 transitions. [2019-10-03 00:53:36,885 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-03 00:53:36,885 INFO L276 IsEmpty]: Start isEmpty. Operand 4132 states and 5280 transitions. [2019-10-03 00:53:36,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-10-03 00:53:36,898 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:53:36,899 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:53:36,899 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:53:36,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:53:36,899 INFO L82 PathProgramCache]: Analyzing trace with hash -476509041, now seen corresponding path program 1 times [2019-10-03 00:53:36,900 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:53:36,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:36,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:53:36,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:36,908 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:53:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:53:37,128 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-03 00:53:37,128 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:53:37,128 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 00:53:37,128 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:53:37,129 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 00:53:37,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 00:53:37,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:53:37,130 INFO L87 Difference]: Start difference. First operand 4132 states and 5280 transitions. Second operand 5 states. [2019-10-03 00:53:37,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:53:37,189 INFO L93 Difference]: Finished difference Result 4170 states and 5327 transitions. [2019-10-03 00:53:37,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 00:53:37,190 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 204 [2019-10-03 00:53:37,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:53:37,217 INFO L225 Difference]: With dead ends: 4170 [2019-10-03 00:53:37,217 INFO L226 Difference]: Without dead ends: 4170 [2019-10-03 00:53:37,218 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:53:37,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4170 states. [2019-10-03 00:53:37,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4170 to 4160. [2019-10-03 00:53:37,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4160 states. [2019-10-03 00:53:37,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4160 states to 4160 states and 5312 transitions. [2019-10-03 00:53:37,348 INFO L78 Accepts]: Start accepts. Automaton has 4160 states and 5312 transitions. Word has length 204 [2019-10-03 00:53:37,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:53:37,349 INFO L475 AbstractCegarLoop]: Abstraction has 4160 states and 5312 transitions. [2019-10-03 00:53:37,349 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 00:53:37,349 INFO L276 IsEmpty]: Start isEmpty. Operand 4160 states and 5312 transitions. [2019-10-03 00:53:37,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-10-03 00:53:37,364 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:53:37,364 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:53:37,364 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:53:37,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:53:37,365 INFO L82 PathProgramCache]: Analyzing trace with hash -914858331, now seen corresponding path program 1 times [2019-10-03 00:53:37,365 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:53:37,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:37,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:53:37,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:37,382 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:53:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:53:37,826 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-10-03 00:53:37,827 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 00:53:37,827 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 00:53:37,828 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 211 with the following transitions: [2019-10-03 00:53:37,830 INFO L207 CegarAbsIntRunner]: [59], [60], [109], [110], [116], [117], [124], [126], [129], [132], [135], [156], [157], [158], [160], [169], [188], [190], [191], [310], [312], [316], [318], [319], [354], [355], [390], [393], [397], [399], [402], [405], [410], [415], [417], [418], [464], [465], [538], [539], [706], [708], [710], [712], [714], [717], [720], [741], [760], [781], [802], [823], [844], [847], [850], [852], [862], [947], [950], [953], [956], [959], [961], [965], [968], [971], [973], [976], [985], [1102], [1104], [1107], [1109], [1112], [1116], [1126], [1129], [1130], [1131], [1140], [1145], [1157], [1161], [1164], [1165], [1168], [1169], [1172], [1181], [1186], [1221], [1223], [1583], [1585], [1691], [1692], [1693], [1695], [1697], [1698], [1770], [1771], [1998], [2000], [2005], [2009], [2012], [2013], [2015], [2016], [2022], [2024], [2026], [2033], [2036], [2038], [2049], [2053], [2055], [2057], [2062], [2064], [2065], [2090], [2092], [2118], [2120], [2170], [2171], [2174], [2175], [2190], [2191], [2194], [2195], [2196], [2197], [2200], [2201], [2252], [2253], [2254], [2255], [2282], [2283], [2284], [2285], [2286], [2287], [2292], [2293], [2420], [2421], [2422], [2423], [2424], [2425], [2448], [2449], [2466], [2467], [2468], [2469], [2470], [2471], [2476], [2490], [2491], [2492], [2493], [2576], [2577], [2624], [2625], [2626], [2627], [2718], [2719], [2720], [2722], [2723], [2724], [2725], [2726], [2728], [2729], [2732], [2733], [2738], [2739], [2748], [2749], [2764], [2765] [2019-10-03 00:53:37,902 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 00:53:37,902 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 00:53:38,015 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 00:53:38,017 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 103 root evaluator evaluations with a maximum evaluation depth of 0. Performed 103 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 222 variables. [2019-10-03 00:53:38,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:53:38,023 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 00:53:38,145 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 00:53:38,150 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 00:53:38,159 INFO L420 sIntCurrentIteration]: We unified 209 AI predicates to 209 [2019-10-03 00:53:38,160 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 00:53:38,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 00:53:38,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2019-10-03 00:53:38,161 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:53:38,162 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 00:53:38,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 00:53:38,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 00:53:38,162 INFO L87 Difference]: Start difference. First operand 4160 states and 5312 transitions. Second operand 2 states. [2019-10-03 00:53:38,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:53:38,163 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 00:53:38,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 00:53:38,163 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 210 [2019-10-03 00:53:38,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:53:38,163 INFO L225 Difference]: With dead ends: 2 [2019-10-03 00:53:38,164 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 00:53:38,164 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 00:53:38,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 00:53:38,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 00:53:38,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 00:53:38,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 00:53:38,165 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 210 [2019-10-03 00:53:38,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:53:38,165 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 00:53:38,165 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 00:53:38,165 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 00:53:38,165 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 00:53:38,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 12:53:38 BoogieIcfgContainer [2019-10-03 00:53:38,171 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 00:53:38,174 INFO L168 Benchmark]: Toolchain (without parser) took 58508.07 ms. Allocated memory was 139.5 MB in the beginning and 942.7 MB in the end (delta: 803.2 MB). Free memory was 77.5 MB in the beginning and 109.2 MB in the end (delta: -31.7 MB). Peak memory consumption was 771.5 MB. Max. memory is 7.1 GB. [2019-10-03 00:53:38,177 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-03 00:53:38,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2780.68 ms. Allocated memory was 139.5 MB in the beginning and 268.4 MB in the end (delta: 129.0 MB). Free memory was 77.2 MB in the beginning and 191.1 MB in the end (delta: -113.9 MB). Peak memory consumption was 108.3 MB. Max. memory is 7.1 GB. [2019-10-03 00:53:38,180 INFO L168 Benchmark]: Boogie Preprocessor took 335.81 ms. Allocated memory is still 268.4 MB. Free memory was 191.1 MB in the beginning and 169.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-10-03 00:53:38,182 INFO L168 Benchmark]: RCFGBuilder took 20124.01 ms. Allocated memory was 268.4 MB in the beginning and 903.3 MB in the end (delta: 634.9 MB). Free memory was 169.5 MB in the beginning and 125.2 MB in the end (delta: 44.3 MB). Peak memory consumption was 757.6 MB. Max. memory is 7.1 GB. [2019-10-03 00:53:38,188 INFO L168 Benchmark]: TraceAbstraction took 35259.84 ms. Allocated memory was 903.3 MB in the beginning and 942.7 MB in the end (delta: 39.3 MB). Free memory was 125.2 MB in the beginning and 109.2 MB in the end (delta: 16.0 MB). Peak memory consumption was 55.3 MB. Max. memory is 7.1 GB. [2019-10-03 00:53:38,196 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2780.68 ms. Allocated memory was 139.5 MB in the beginning and 268.4 MB in the end (delta: 129.0 MB). Free memory was 77.2 MB in the beginning and 191.1 MB in the end (delta: -113.9 MB). Peak memory consumption was 108.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 335.81 ms. Allocated memory is still 268.4 MB. Free memory was 191.1 MB in the beginning and 169.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 20124.01 ms. Allocated memory was 268.4 MB in the beginning and 903.3 MB in the end (delta: 634.9 MB). Free memory was 169.5 MB in the beginning and 125.2 MB in the end (delta: 44.3 MB). Peak memory consumption was 757.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 35259.84 ms. Allocated memory was 903.3 MB in the beginning and 942.7 MB in the end (delta: 39.3 MB). Free memory was 125.2 MB in the beginning and 109.2 MB in the end (delta: 16.0 MB). Peak memory consumption was 55.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5639]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 159 procedures, 1307 locations, 1 error locations. SAFE Result, 35.1s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 30.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11297 SDtfs, 6363 SDslu, 18612 SDs, 0 SdLazy, 7116 SolverSat, 1376 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 26.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 260 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4160occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.1339712918660285 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 132 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1383 NumberOfCodeBlocks, 1383 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1374 ConstructedInterpolants, 0 QuantifiedInterpolants, 355702 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 316/317 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...