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--usb--cdc_ncm.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 11:02:41,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 11:02:41,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 11:02:41,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 11:02:41,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 11:02:41,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 11:02:41,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 11:02:41,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 11:02:41,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 11:02:41,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 11:02:41,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 11:02:41,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 11:02:41,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 11:02:41,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 11:02:41,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 11:02:41,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 11:02:41,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 11:02:41,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 11:02:42,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 11:02:42,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 11:02:42,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 11:02:42,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 11:02:42,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 11:02:42,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 11:02:42,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 11:02:42,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 11:02:42,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 11:02:42,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 11:02:42,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 11:02:42,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 11:02:42,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 11:02:42,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 11:02:42,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 11:02:42,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 11:02:42,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 11:02:42,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 11:02:42,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 11:02:42,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 11:02:42,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 11:02:42,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 11:02:42,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 11:02:42,026 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 [2019-09-10 11:02:42,042 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 11:02:42,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 11:02:42,043 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 11:02:42,043 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 11:02:42,044 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 11:02:42,044 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 11:02:42,045 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 11:02:42,045 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 11:02:42,045 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 11:02:42,045 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 11:02:42,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 11:02:42,046 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 11:02:42,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 11:02:42,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 11:02:42,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 11:02:42,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 11:02:42,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 11:02:42,047 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 11:02:42,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 11:02:42,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 11:02:42,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 11:02:42,048 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 11:02:42,048 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 11:02:42,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 11:02:42,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 11:02:42,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 11:02:42,049 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 11:02:42,049 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 11:02:42,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 11:02:42,050 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 11:02:42,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 11:02:42,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 11:02:42,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 11:02:42,103 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 11:02:42,103 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 11:02:42,104 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_ncm.ko-entry_point.cil.out.i [2019-09-10 11:02:42,186 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da68b8e26/6d56dc7f69424fddaba889e7493ea032/FLAGdd4e7885d [2019-09-10 11:02:43,152 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 11:02:43,153 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_ncm.ko-entry_point.cil.out.i [2019-09-10 11:02:43,216 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da68b8e26/6d56dc7f69424fddaba889e7493ea032/FLAGdd4e7885d [2019-09-10 11:02:43,635 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da68b8e26/6d56dc7f69424fddaba889e7493ea032 [2019-09-10 11:02:43,644 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 11:02:43,646 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 11:02:43,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 11:02:43,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 11:02:43,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 11:02:43,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:02:43" (1/1) ... [2019-09-10 11:02:43,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@764850a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:02:43, skipping insertion in model container [2019-09-10 11:02:43,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:02:43" (1/1) ... [2019-09-10 11:02:43,664 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 11:02:43,816 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 11:02:46,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 11:02:46,378 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 11:02:46,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 11:02:47,342 INFO L192 MainTranslator]: Completed translation [2019-09-10 11:02:47,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:02:47 WrapperNode [2019-09-10 11:02:47,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 11:02:47,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 11:02:47,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 11:02:47,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 11:02:47,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:02:47" (1/1) ... [2019-09-10 11:02:47,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:02:47" (1/1) ... [2019-09-10 11:02:47,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:02:47" (1/1) ... [2019-09-10 11:02:47,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:02:47" (1/1) ... [2019-09-10 11:02:47,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:02:47" (1/1) ... [2019-09-10 11:02:47,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:02:47" (1/1) ... [2019-09-10 11:02:47,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:02:47" (1/1) ... [2019-09-10 11:02:47,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 11:02:47,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 11:02:47,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 11:02:47,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 11:02:47,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:02:47" (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 [2019-09-10 11:02:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 11:02:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 11:02:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-10 11:02:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-10 11:02:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-09-10 11:02:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-10 11:02:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-10 11:02:47,898 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2019-09-10 11:02:47,899 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-09-10 11:02:47,899 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-09-10 11:02:47,899 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2019-09-10 11:02:47,900 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_enable [2019-09-10 11:02:47,900 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-10 11:02:47,901 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-10 11:02:47,901 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-09-10 11:02:47,902 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-10 11:02:47,902 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-09-10 11:02:47,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_set [2019-09-10 11:02:47,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-10 11:02:47,903 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-10 11:02:47,903 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 11:02:47,903 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-10 11:02:47,903 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_active [2019-09-10 11:02:47,903 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-09-10 11:02:47,904 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2019-09-10 11:02:47,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2019-09-10 11:02:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2019-09-10 11:02:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 11:02:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 11:02:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 11:02:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 11:02:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 11:02:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 11:02:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 11:02:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 11:02:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-10 11:02:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-09-10 11:02:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-09-10 11:02:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-10 11:02:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2019-09-10 11:02:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-09-10 11:02:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-09-10 11:02:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2019-09-10 11:02:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2019-09-10 11:02:47,908 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock [2019-09-10 11:02:47,908 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock_bh [2019-09-10 11:02:47,908 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock [2019-09-10 11:02:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock_bh [2019-09-10 11:02:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-09-10 11:02:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-09-10 11:02:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-10 11:02:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-10 11:02:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2019-09-10 11:02:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_of [2019-09-10 11:02:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_get_sset_count [2019-09-10 11:02:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_get_ethtool_stats [2019-09-10 11:02:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_get_strings [2019-09-10 11:02:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_check_rx_max [2019-09-10 11:02:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_check_tx_max [2019-09-10 11:02:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_min_tx_pkt [2019-09-10 11:02:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_rx_max [2019-09-10 11:02:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_tx_max [2019-09-10 11:02:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_tx_timer_usecs [2019-09-10 11:02:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_store_min_tx_pkt [2019-09-10 11:02:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_store_rx_max [2019-09-10 11:02:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_store_tx_max [2019-09-10 11:02:47,912 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_store_tx_timer_usecs [2019-09-10 11:02:47,912 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_bmNtbFormatsSupported [2019-09-10 11:02:47,913 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_dwNtbInMaxSize [2019-09-10 11:02:47,913 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_wNdpInDivisor [2019-09-10 11:02:47,913 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_wNdpInPayloadRemainder [2019-09-10 11:02:47,913 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_wNdpInAlignment [2019-09-10 11:02:47,913 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_dwNtbOutMaxSize [2019-09-10 11:02:47,914 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_wNdpOutDivisor [2019-09-10 11:02:47,915 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_wNdpOutPayloadRemainder [2019-09-10 11:02:47,915 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_wNdpOutAlignment [2019-09-10 11:02:47,915 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_wNtbOutMaxDatagrams [2019-09-10 11:02:47,915 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_update_rxtx_max [2019-09-10 11:02:47,915 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_flags [2019-09-10 11:02:47,915 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_eth_hlen [2019-09-10 11:02:47,915 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_min_dgram_size [2019-09-10 11:02:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_max_dgram_size [2019-09-10 11:02:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_init [2019-09-10 11:02:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_set_dgram_size [2019-09-10 11:02:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_fix_modulus [2019-09-10 11:02:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_setup [2019-09-10 11:02:47,919 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_find_endpoints [2019-09-10 11:02:47,920 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_free [2019-09-10 11:02:47,920 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_bind_common [2019-09-10 11:02:47,921 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_unbind [2019-09-10 11:02:47,922 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_select_altsetting [2019-09-10 11:02:47,922 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_bind [2019-09-10 11:02:47,922 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_align_tail [2019-09-10 11:02:47,922 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_ndp [2019-09-10 11:02:47,922 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_fill_tx_frame [2019-09-10 11:02:47,922 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_tx_timeout_start [2019-09-10 11:02:47,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_tx_timer_cb [2019-09-10 11:02:47,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_txpath_bh [2019-09-10 11:02:47,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_tx_fixup [2019-09-10 11:02:47,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_rx_verify_nth16 [2019-09-10 11:02:47,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_rx_verify_ndp16 [2019-09-10 11:02:47,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_rx_fixup [2019-09-10 11:02:47,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_speed_change [2019-09-10 11:02:47,924 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_status [2019-09-10 11:02:47,924 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_driver_init [2019-09-10 11:02:47,924 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_driver_exit [2019-09-10 11:02:47,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2019-09-10 11:02:47,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_3 [2019-09-10 11:02:47,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_19 [2019-09-10 11:02:47,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_15 [2019-09-10 11:02:47,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_17 [2019-09-10 11:02:47,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_4 [2019-09-10 11:02:47,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-09-10 11:02:47,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_18 [2019-09-10 11:02:47,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_16 [2019-09-10 11:02:47,927 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 11:02:47,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-09-10 11:02:47,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-09-10 11:02:47,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-09-10 11:02:47,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-09-10 11:02:47,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-09-10 11:02:47,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2019-09-10 11:02:47,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_13 [2019-09-10 11:02:47,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_14 [2019-09-10 11:02:47,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-09-10 11:02:47,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-09-10 11:02:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-09-10 11:02:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-09-10 11:02:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-09-10 11:02:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-10 11:02:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-10 11:02:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-10 11:02:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-10 11:02:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-09-10 11:02:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 11:02:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-09-10 11:02:47,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-09-10 11:02:47,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-09-10 11:02:47,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-09-10 11:02:47,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-09-10 11:02:47,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 11:02:47,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-09-10 11:02:47,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-09-10 11:02:47,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-09-10 11:02:47,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __local_bh_disable_ip [2019-09-10 11:02:47,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __local_bh_enable_ip [2019-09-10 11:02:47,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-09-10 11:02:47,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-09-10 11:02:47,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-10 11:02:47,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-09-10 11:02:47,948 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-10 11:02:47,948 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-10 11:02:47,948 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-09-10 11:02:47,949 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-10 11:02:47,949 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-09-10 11:02:47,949 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-10 11:02:47,949 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-10 11:02:47,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_ts_info [2019-09-10 11:02:47,950 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2019-09-10 11:02:47,950 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_init [2019-09-10 11:02:47,951 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_start [2019-09-10 11:02:47,951 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2019-09-10 11:02:47,951 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-09-10 11:02:47,951 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-10 11:02:47,951 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2019-09-10 11:02:47,951 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2019-09-10 11:02:47,952 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-10 11:02:47,952 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_claim_interface [2019-09-10 11:02:47,952 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2019-09-10 11:02:47,952 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2019-09-10 11:02:47,952 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-10 11:02:47,952 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-09-10 11:02:47,952 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2019-09-10 11:02:47,952 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_drvinfo [2019-09-10 11:02:47,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_ethernet_addr [2019-09-10 11:02:47,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_link [2019-09-10 11:02:47,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_msglevel [2019-09-10 11:02:47,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_settings [2019-09-10 11:02:47,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_link_change [2019-09-10 11:02:47,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_manage_power [2019-09-10 11:02:47,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_nway_reset [2019-09-10 11:02:47,954 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2019-09-10 11:02:47,954 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_read_cmd [2019-09-10 11:02:47,954 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2019-09-10 11:02:47,954 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_set_msglevel [2019-09-10 11:02:47,954 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_set_settings [2019-09-10 11:02:47,954 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2019-09-10 11:02:47,954 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_start_xmit [2019-09-10 11:02:47,954 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2019-09-10 11:02:47,955 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_unlink_rx_urbs [2019-09-10 11:02:47,955 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_update_max_qlen [2019-09-10 11:02:47,955 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_write_cmd [2019-09-10 11:02:47,955 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-10 11:02:47,955 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 11:02:47,955 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 11:02:47,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 11:02:47,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 11:02:47,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 11:02:47,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 11:02:47,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 11:02:47,956 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-10 11:02:47,957 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-10 11:02:47,957 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-09-10 11:02:47,957 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-10 11:02:47,957 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-10 11:02:47,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 11:02:47,957 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-09-10 11:02:47,957 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-09-10 11:02:47,957 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2019-09-10 11:02:47,958 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2019-09-10 11:02:47,958 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-10 11:02:47,958 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-10 11:02:47,958 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-10 11:02:47,958 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 11:02:47,958 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 11:02:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-09-10 11:02:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-09-10 11:02:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 11:02:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure __local_bh_disable_ip [2019-09-10 11:02:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2019-09-10 11:02:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure __local_bh_enable_ip [2019-09-10 11:02:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_enable [2019-09-10 11:02:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-10 11:02:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-10 11:02:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-09-10 11:02:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-10 11:02:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-09-10 11:02:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-10 11:02:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-10 11:02:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-09-10 11:02:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-10 11:02:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-09-10 11:02:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_set [2019-09-10 11:02:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 11:02:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 11:02:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2019-09-10 11:02:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 11:02:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 11:02:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-10 11:02:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-10 11:02:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 11:02:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-10 11:02:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 11:02:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-10 11:02:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-10 11:02:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-10 11:02:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_init [2019-09-10 11:02:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_start [2019-09-10 11:02:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2019-09-10 11:02:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_active [2019-09-10 11:02:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-09-10 11:02:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-09-10 11:02:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-09-10 11:02:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-09-10 11:02:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-09-10 11:02:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2019-09-10 11:02:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-09-10 11:02:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-10 11:02:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2019-09-10 11:02:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-09-10 11:02:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2019-09-10 11:02:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2019-09-10 11:02:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-09-10 11:02:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-09-10 11:02:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 11:02:47,966 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 11:02:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 11:02:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-09-10 11:02:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2019-09-10 11:02:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 11:02:47,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 11:02:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 11:02:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 11:02:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 11:02:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 11:02:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 11:02:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 11:02:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 11:02:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 11:02:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 11:02:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-10 11:02:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2019-09-10 11:02:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_3 [2019-09-10 11:02:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_19 [2019-09-10 11:02:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_15 [2019-09-10 11:02:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_17 [2019-09-10 11:02:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_4 [2019-09-10 11:02:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-09-10 11:02:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_18 [2019-09-10 11:02:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_16 [2019-09-10 11:02:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_ts_info [2019-09-10 11:02:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-09-10 11:02:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-09-10 11:02:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2019-09-10 11:02:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-09-10 11:02:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 11:02:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-10 11:02:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-09-10 11:02:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2019-09-10 11:02:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-09-10 11:02:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-09-10 11:02:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-09-10 11:02:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2019-09-10 11:02:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2019-09-10 11:02:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock [2019-09-10 11:02:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock_bh [2019-09-10 11:02:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock [2019-09-10 11:02:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock_bh [2019-09-10 11:02:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-09-10 11:02:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-09-10 11:02:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-09-10 11:02:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-10 11:02:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_claim_interface [2019-09-10 11:02:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2019-09-10 11:02:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2019-09-10 11:02:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2019-09-10 11:02:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-10 11:02:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_13 [2019-09-10 11:02:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-10 11:02:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_14 [2019-09-10 11:02:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-09-10 11:02:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-10 11:02:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2019-09-10 11:02:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure driver_of [2019-09-10 11:02:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2019-09-10 11:02:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2019-09-10 11:02:47,981 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2019-09-10 11:02:47,981 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2019-09-10 11:02:47,981 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd [2019-09-10 11:02:47,981 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd [2019-09-10 11:02:47,981 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_start_xmit [2019-09-10 11:02:47,981 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_ethernet_addr [2019-09-10 11:02:47,981 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2019-09-10 11:02:47,981 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_unlink_rx_urbs [2019-09-10 11:02:47,981 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_settings [2019-09-10 11:02:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_set_settings [2019-09-10 11:02:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_link [2019-09-10 11:02:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_msglevel [2019-09-10 11:02:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_set_msglevel [2019-09-10 11:02:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_drvinfo [2019-09-10 11:02:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_nway_reset [2019-09-10 11:02:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_manage_power [2019-09-10 11:02:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_link_change [2019-09-10 11:02:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_update_max_qlen [2019-09-10 11:02:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_select_altsetting [2019-09-10 11:02:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_bind_common [2019-09-10 11:02:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_unbind [2019-09-10 11:02:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_fill_tx_frame [2019-09-10 11:02:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_rx_verify_nth16 [2019-09-10 11:02:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_rx_verify_ndp16 [2019-09-10 11:02:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_tx_fixup [2019-09-10 11:02:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_rx_fixup [2019-09-10 11:02:47,984 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_txpath_bh [2019-09-10 11:02:47,984 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_tx_timeout_start [2019-09-10 11:02:47,984 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_tx_timer_cb [2019-09-10 11:02:47,984 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_get_sset_count [2019-09-10 11:02:47,984 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_get_ethtool_stats [2019-09-10 11:02:47,984 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_get_strings [2019-09-10 11:02:47,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 11:02:47,984 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_update_rxtx_max [2019-09-10 11:02:47,984 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_check_rx_max [2019-09-10 11:02:47,985 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_check_tx_max [2019-09-10 11:02:47,985 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_min_tx_pkt [2019-09-10 11:02:47,985 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_rx_max [2019-09-10 11:02:47,985 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_tx_max [2019-09-10 11:02:47,985 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_tx_timer_usecs [2019-09-10 11:02:47,985 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_store_min_tx_pkt [2019-09-10 11:02:47,985 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_store_rx_max [2019-09-10 11:02:47,985 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_store_tx_max [2019-09-10 11:02:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_store_tx_timer_usecs [2019-09-10 11:02:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_bmNtbFormatsSupported [2019-09-10 11:02:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_dwNtbInMaxSize [2019-09-10 11:02:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_wNdpInDivisor [2019-09-10 11:02:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_wNdpInPayloadRemainder [2019-09-10 11:02:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_wNdpInAlignment [2019-09-10 11:02:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_dwNtbOutMaxSize [2019-09-10 11:02:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_wNdpOutDivisor [2019-09-10 11:02:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_wNdpOutPayloadRemainder [2019-09-10 11:02:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_wNdpOutAlignment [2019-09-10 11:02:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_wNtbOutMaxDatagrams [2019-09-10 11:02:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_flags [2019-09-10 11:02:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_eth_hlen [2019-09-10 11:02:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_min_dgram_size [2019-09-10 11:02:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_max_dgram_size [2019-09-10 11:02:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_init [2019-09-10 11:02:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_set_dgram_size [2019-09-10 11:02:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_fix_modulus [2019-09-10 11:02:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_setup [2019-09-10 11:02:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_find_endpoints [2019-09-10 11:02:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_free [2019-09-10 11:02:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_bind [2019-09-10 11:02:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_align_tail [2019-09-10 11:02:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 11:02:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_ndp [2019-09-10 11:02:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_speed_change [2019-09-10 11:02:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_status [2019-09-10 11:02:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_driver_init [2019-09-10 11:02:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_driver_exit [2019-09-10 11:02:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 11:02:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 11:02:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 11:02:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-09-10 11:02:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-09-10 11:02:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-09-10 11:02:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-09-10 11:02:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-09-10 11:02:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-10 11:02:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-10 11:02:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-10 11:02:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-10 11:02:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-09-10 11:02:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-09-10 11:02:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-09-10 11:02:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-09-10 11:02:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 11:02:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-10 11:02:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 11:02:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 11:02:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 11:02:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 11:02:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 11:02:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 11:02:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 11:02:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 11:02:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 11:02:49,624 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 11:03:06,044 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 11:03:06,044 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 11:03:06,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:03:06 BoogieIcfgContainer [2019-09-10 11:03:06,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 11:03:06,048 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 11:03:06,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 11:03:06,052 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 11:03:06,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 11:02:43" (1/3) ... [2019-09-10 11:03:06,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c39a25a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:03:06, skipping insertion in model container [2019-09-10 11:03:06,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:02:47" (2/3) ... [2019-09-10 11:03:06,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c39a25a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:03:06, skipping insertion in model container [2019-09-10 11:03:06,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:03:06" (3/3) ... [2019-09-10 11:03:06,056 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_ncm.ko-entry_point.cil.out.i [2019-09-10 11:03:06,067 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 11:03:06,082 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 11:03:06,102 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 11:03:06,134 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 11:03:06,134 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 11:03:06,134 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 11:03:06,134 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 11:03:06,134 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 11:03:06,135 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 11:03:06,135 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 11:03:06,135 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 11:03:06,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states. [2019-09-10 11:03:06,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2019-09-10 11:03:06,232 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:03:06,233 INFO L399 BasicCegarLoop]: trace histogram [47, 47, 47, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:03:06,236 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:03:06,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:03:06,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1293731526, now seen corresponding path program 1 times [2019-09-10 11:03:06,245 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:03:06,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:03:06,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:03:06,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:03:06,341 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:03:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:03:08,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4348 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4348 trivial. 0 not checked. [2019-09-10 11:03:08,088 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:03:08,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:03:08,088 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:03:08,098 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:03:08,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:03:08,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:03:08,121 INFO L87 Difference]: Start difference. First operand 1902 states. Second operand 3 states. [2019-09-10 11:03:14,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:03:14,319 INFO L93 Difference]: Finished difference Result 3466 states and 4795 transitions. [2019-09-10 11:03:14,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:03:14,321 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 353 [2019-09-10 11:03:14,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:03:14,369 INFO L225 Difference]: With dead ends: 3466 [2019-09-10 11:03:14,369 INFO L226 Difference]: Without dead ends: 3415 [2019-09-10 11:03:14,371 INFO L628 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 [2019-09-10 11:03:14,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3415 states. [2019-09-10 11:03:14,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3415 to 3415. [2019-09-10 11:03:14,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3415 states. [2019-09-10 11:03:14,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3415 states to 3415 states and 4702 transitions. [2019-09-10 11:03:14,655 INFO L78 Accepts]: Start accepts. Automaton has 3415 states and 4702 transitions. Word has length 353 [2019-09-10 11:03:14,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:03:14,657 INFO L475 AbstractCegarLoop]: Abstraction has 3415 states and 4702 transitions. [2019-09-10 11:03:14,658 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:03:14,658 INFO L276 IsEmpty]: Start isEmpty. Operand 3415 states and 4702 transitions. [2019-09-10 11:03:14,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2019-09-10 11:03:14,670 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:03:14,671 INFO L399 BasicCegarLoop]: trace histogram [48, 48, 48, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:03:14,671 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:03:14,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:03:14,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1893819939, now seen corresponding path program 1 times [2019-09-10 11:03:14,672 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:03:14,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:03:14,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:03:14,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:03:14,678 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:03:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:03:15,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4536 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4536 trivial. 0 not checked. [2019-09-10 11:03:15,698 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:03:15,698 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 11:03:15,698 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:03:15,703 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 11:03:15,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 11:03:15,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 11:03:15,705 INFO L87 Difference]: Start difference. First operand 3415 states and 4702 transitions. Second operand 6 states. [2019-09-10 11:03:21,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:03:21,985 INFO L93 Difference]: Finished difference Result 6716 states and 9257 transitions. [2019-09-10 11:03:21,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 11:03:21,986 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 368 [2019-09-10 11:03:21,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:03:22,039 INFO L225 Difference]: With dead ends: 6716 [2019-09-10 11:03:22,039 INFO L226 Difference]: Without dead ends: 6695 [2019-09-10 11:03:22,040 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-10 11:03:22,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6695 states. [2019-09-10 11:03:22,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6695 to 6695. [2019-09-10 11:03:22,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6695 states. [2019-09-10 11:03:22,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6695 states to 6695 states and 9235 transitions. [2019-09-10 11:03:22,310 INFO L78 Accepts]: Start accepts. Automaton has 6695 states and 9235 transitions. Word has length 368 [2019-09-10 11:03:22,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:03:22,312 INFO L475 AbstractCegarLoop]: Abstraction has 6695 states and 9235 transitions. [2019-09-10 11:03:22,312 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 11:03:22,312 INFO L276 IsEmpty]: Start isEmpty. Operand 6695 states and 9235 transitions. [2019-09-10 11:03:22,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2019-09-10 11:03:22,332 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:03:22,333 INFO L399 BasicCegarLoop]: trace histogram [49, 49, 49, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:03:22,333 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:03:22,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:03:22,334 INFO L82 PathProgramCache]: Analyzing trace with hash -554759057, now seen corresponding path program 1 times [2019-09-10 11:03:22,334 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:03:22,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:03:22,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:03:22,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:03:22,340 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:03:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:03:23,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4736 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4728 trivial. 0 not checked. [2019-09-10 11:03:23,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:03:23,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:03:23,210 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:03:23,211 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:03:23,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:03:23,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:03:23,212 INFO L87 Difference]: Start difference. First operand 6695 states and 9235 transitions. Second operand 3 states. [2019-09-10 11:03:25,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:03:25,908 INFO L93 Difference]: Finished difference Result 12981 states and 17860 transitions. [2019-09-10 11:03:25,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:03:25,909 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 451 [2019-09-10 11:03:25,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:03:26,004 INFO L225 Difference]: With dead ends: 12981 [2019-09-10 11:03:26,004 INFO L226 Difference]: Without dead ends: 12981 [2019-09-10 11:03:26,005 INFO L628 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 [2019-09-10 11:03:26,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12981 states. [2019-09-10 11:03:26,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12981 to 12955. [2019-09-10 11:03:26,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12955 states. [2019-09-10 11:03:26,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12955 states to 12955 states and 17835 transitions. [2019-09-10 11:03:26,821 INFO L78 Accepts]: Start accepts. Automaton has 12955 states and 17835 transitions. Word has length 451 [2019-09-10 11:03:26,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:03:26,822 INFO L475 AbstractCegarLoop]: Abstraction has 12955 states and 17835 transitions. [2019-09-10 11:03:26,822 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:03:26,822 INFO L276 IsEmpty]: Start isEmpty. Operand 12955 states and 17835 transitions. [2019-09-10 11:03:26,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2019-09-10 11:03:26,844 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:03:26,844 INFO L399 BasicCegarLoop]: trace histogram [49, 49, 49, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:03:26,845 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:03:26,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:03:26,846 INFO L82 PathProgramCache]: Analyzing trace with hash -157324686, now seen corresponding path program 1 times [2019-09-10 11:03:26,846 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:03:26,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:03:26,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:03:26,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:03:26,853 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:03:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:03:27,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4736 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4728 trivial. 0 not checked. [2019-09-10 11:03:27,663 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:03:27,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:03:27,664 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:03:27,665 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:03:27,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:03:27,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:03:27,666 INFO L87 Difference]: Start difference. First operand 12955 states and 17835 transitions. Second operand 3 states. [2019-09-10 11:03:29,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:03:29,161 INFO L93 Difference]: Finished difference Result 25385 states and 34838 transitions. [2019-09-10 11:03:29,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:03:29,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 445 [2019-09-10 11:03:29,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:03:29,313 INFO L225 Difference]: With dead ends: 25385 [2019-09-10 11:03:29,313 INFO L226 Difference]: Without dead ends: 25385 [2019-09-10 11:03:29,313 INFO L628 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 [2019-09-10 11:03:29,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25385 states. [2019-09-10 11:03:29,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25385 to 25359. [2019-09-10 11:03:29,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25359 states. [2019-09-10 11:03:30,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25359 states to 25359 states and 34813 transitions. [2019-09-10 11:03:30,029 INFO L78 Accepts]: Start accepts. Automaton has 25359 states and 34813 transitions. Word has length 445 [2019-09-10 11:03:30,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:03:30,030 INFO L475 AbstractCegarLoop]: Abstraction has 25359 states and 34813 transitions. [2019-09-10 11:03:30,031 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:03:30,031 INFO L276 IsEmpty]: Start isEmpty. Operand 25359 states and 34813 transitions. [2019-09-10 11:03:30,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2019-09-10 11:03:30,054 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:03:30,054 INFO L399 BasicCegarLoop]: trace histogram [49, 49, 49, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:03:30,055 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:03:30,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:03:30,055 INFO L82 PathProgramCache]: Analyzing trace with hash -629178373, now seen corresponding path program 1 times [2019-09-10 11:03:30,055 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:03:30,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:03:30,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:03:30,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:03:30,063 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:03:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:03:32,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4733 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4728 trivial. 0 not checked. [2019-09-10 11:03:32,223 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:03:32,223 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:03:32,223 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:03:32,225 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:03:32,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:03:32,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:03:32,227 INFO L87 Difference]: Start difference. First operand 25359 states and 34813 transitions. Second operand 3 states. [2019-09-10 11:03:33,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:03:33,617 INFO L93 Difference]: Finished difference Result 46891 states and 64088 transitions. [2019-09-10 11:03:33,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:03:33,618 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 438 [2019-09-10 11:03:33,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:03:33,812 INFO L225 Difference]: With dead ends: 46891 [2019-09-10 11:03:33,813 INFO L226 Difference]: Without dead ends: 46891 [2019-09-10 11:03:33,813 INFO L628 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 [2019-09-10 11:03:33,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46891 states. [2019-09-10 11:03:34,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46891 to 46865. [2019-09-10 11:03:34,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46865 states. [2019-09-10 11:03:35,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46865 states to 46865 states and 64063 transitions. [2019-09-10 11:03:35,272 INFO L78 Accepts]: Start accepts. Automaton has 46865 states and 64063 transitions. Word has length 438 [2019-09-10 11:03:35,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:03:35,273 INFO L475 AbstractCegarLoop]: Abstraction has 46865 states and 64063 transitions. [2019-09-10 11:03:35,273 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:03:35,273 INFO L276 IsEmpty]: Start isEmpty. Operand 46865 states and 64063 transitions. [2019-09-10 11:03:35,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 631 [2019-09-10 11:03:35,359 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:03:35,360 INFO L399 BasicCegarLoop]: trace histogram [68, 68, 68, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:03:35,360 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:03:35,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:03:35,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1863424405, now seen corresponding path program 1 times [2019-09-10 11:03:35,361 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:03:35,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:03:35,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:03:35,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:03:35,367 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:03:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:03:36,449 INFO L134 CoverageAnalysis]: Checked inductivity of 9162 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 9136 trivial. 0 not checked. [2019-09-10 11:03:36,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:03:36,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:03:36,450 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:03:36,451 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:03:36,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:03:36,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:03:36,452 INFO L87 Difference]: Start difference. First operand 46865 states and 64063 transitions. Second operand 3 states. [2019-09-10 11:03:40,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:03:40,580 INFO L93 Difference]: Finished difference Result 70009 states and 95530 transitions. [2019-09-10 11:03:40,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:03:40,581 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 630 [2019-09-10 11:03:40,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:03:40,844 INFO L225 Difference]: With dead ends: 70009 [2019-09-10 11:03:40,844 INFO L226 Difference]: Without dead ends: 70009 [2019-09-10 11:03:40,845 INFO L628 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 [2019-09-10 11:03:40,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70009 states. [2019-09-10 11:03:43,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70009 to 69977. [2019-09-10 11:03:43,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69977 states. [2019-09-10 11:03:43,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69977 states to 69977 states and 95499 transitions. [2019-09-10 11:03:43,909 INFO L78 Accepts]: Start accepts. Automaton has 69977 states and 95499 transitions. Word has length 630 [2019-09-10 11:03:43,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:03:43,911 INFO L475 AbstractCegarLoop]: Abstraction has 69977 states and 95499 transitions. [2019-09-10 11:03:43,911 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:03:43,911 INFO L276 IsEmpty]: Start isEmpty. Operand 69977 states and 95499 transitions. [2019-09-10 11:03:44,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2019-09-10 11:03:44,004 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:03:44,005 INFO L399 BasicCegarLoop]: trace histogram [68, 68, 68, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:03:44,005 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:03:44,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:03:44,006 INFO L82 PathProgramCache]: Analyzing trace with hash -197771299, now seen corresponding path program 1 times [2019-09-10 11:03:44,007 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:03:44,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:03:44,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:03:44,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:03:44,014 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:03:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:03:45,276 INFO L134 CoverageAnalysis]: Checked inductivity of 9156 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 9136 trivial. 0 not checked. [2019-09-10 11:03:45,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:03:45,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:03:45,277 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:03:45,278 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:03:45,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:03:45,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:03:45,279 INFO L87 Difference]: Start difference. First operand 69977 states and 95499 transitions. Second operand 3 states. [2019-09-10 11:03:49,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:03:49,109 INFO L93 Difference]: Finished difference Result 104001 states and 141640 transitions. [2019-09-10 11:03:49,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:03:49,110 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 617 [2019-09-10 11:03:49,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:03:49,526 INFO L225 Difference]: With dead ends: 104001 [2019-09-10 11:03:49,526 INFO L226 Difference]: Without dead ends: 104001 [2019-09-10 11:03:49,526 INFO L628 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 [2019-09-10 11:03:49,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104001 states. [2019-09-10 11:03:53,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104001 to 103975. [2019-09-10 11:03:53,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103975 states. [2019-09-10 11:03:53,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103975 states to 103975 states and 141615 transitions. [2019-09-10 11:03:53,284 INFO L78 Accepts]: Start accepts. Automaton has 103975 states and 141615 transitions. Word has length 617 [2019-09-10 11:03:53,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:03:53,285 INFO L475 AbstractCegarLoop]: Abstraction has 103975 states and 141615 transitions. [2019-09-10 11:03:53,285 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:03:53,285 INFO L276 IsEmpty]: Start isEmpty. Operand 103975 states and 141615 transitions. [2019-09-10 11:03:53,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2019-09-10 11:03:53,333 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:03:53,334 INFO L399 BasicCegarLoop]: trace histogram [68, 68, 68, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:03:53,334 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:03:53,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:03:53,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1739361160, now seen corresponding path program 1 times [2019-09-10 11:03:53,336 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:03:53,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:03:53,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:03:53,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:03:53,341 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:03:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:03:54,316 INFO L134 CoverageAnalysis]: Checked inductivity of 9162 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 9136 trivial. 0 not checked. [2019-09-10 11:03:54,317 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:03:54,317 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:03:54,318 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:03:54,320 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:03:54,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:03:54,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:03:54,321 INFO L87 Difference]: Start difference. First operand 103975 states and 141615 transitions. Second operand 3 states. [2019-09-10 11:03:58,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:03:58,980 INFO L93 Difference]: Finished difference Result 153305 states and 208330 transitions. [2019-09-10 11:03:58,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:03:58,980 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 624 [2019-09-10 11:03:58,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:03:59,527 INFO L225 Difference]: With dead ends: 153305 [2019-09-10 11:03:59,527 INFO L226 Difference]: Without dead ends: 153305 [2019-09-10 11:03:59,527 INFO L628 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 [2019-09-10 11:03:59,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153305 states. [2019-09-10 11:04:05,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153305 to 153275. [2019-09-10 11:04:05,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153275 states. [2019-09-10 11:04:05,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153275 states to 153275 states and 208301 transitions. [2019-09-10 11:04:05,627 INFO L78 Accepts]: Start accepts. Automaton has 153275 states and 208301 transitions. Word has length 624 [2019-09-10 11:04:05,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:04:05,628 INFO L475 AbstractCegarLoop]: Abstraction has 153275 states and 208301 transitions. [2019-09-10 11:04:05,628 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:04:05,628 INFO L276 IsEmpty]: Start isEmpty. Operand 153275 states and 208301 transitions. [2019-09-10 11:04:05,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 631 [2019-09-10 11:04:05,674 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:04:05,675 INFO L399 BasicCegarLoop]: trace histogram [68, 68, 68, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:04:05,675 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:04:05,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:04:05,676 INFO L82 PathProgramCache]: Analyzing trace with hash 548323573, now seen corresponding path program 1 times [2019-09-10 11:04:05,677 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:04:05,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:05,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:04:05,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:05,684 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:04:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:04:06,606 INFO L134 CoverageAnalysis]: Checked inductivity of 9162 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 9010 trivial. 0 not checked. [2019-09-10 11:04:06,607 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:04:06,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 11:04:06,607 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:04:06,608 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 11:04:06,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 11:04:06,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 11:04:06,609 INFO L87 Difference]: Start difference. First operand 153275 states and 208301 transitions. Second operand 5 states. [2019-09-10 11:04:07,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:04:07,160 INFO L93 Difference]: Finished difference Result 153907 states and 209280 transitions. [2019-09-10 11:04:07,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 11:04:07,160 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 630 [2019-09-10 11:04:07,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:04:07,602 INFO L225 Difference]: With dead ends: 153907 [2019-09-10 11:04:07,602 INFO L226 Difference]: Without dead ends: 153907 [2019-09-10 11:04:07,602 INFO L628 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 [2019-09-10 11:04:08,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153907 states. [2019-09-10 11:04:09,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153907 to 153795. [2019-09-10 11:04:09,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153795 states. [2019-09-10 11:04:10,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153795 states to 153795 states and 209119 transitions. [2019-09-10 11:04:10,370 INFO L78 Accepts]: Start accepts. Automaton has 153795 states and 209119 transitions. Word has length 630 [2019-09-10 11:04:10,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:04:10,370 INFO L475 AbstractCegarLoop]: Abstraction has 153795 states and 209119 transitions. [2019-09-10 11:04:10,370 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 11:04:10,370 INFO L276 IsEmpty]: Start isEmpty. Operand 153795 states and 209119 transitions. [2019-09-10 11:04:10,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2019-09-10 11:04:10,417 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:04:10,418 INFO L399 BasicCegarLoop]: trace histogram [68, 68, 67, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:04:10,418 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:04:10,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:04:10,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1299892318, now seen corresponding path program 1 times [2019-09-10 11:04:10,419 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:04:10,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:10,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:04:10,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:10,424 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:04:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:04:15,496 INFO L134 CoverageAnalysis]: Checked inductivity of 9162 backedges. 130 proven. 30 refuted. 0 times theorem prover too weak. 9002 trivial. 0 not checked. [2019-09-10 11:04:15,497 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 11:04:15,497 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 11:04:15,498 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 637 with the following transitions: [2019-09-10 11:04:15,503 INFO L207 CegarAbsIntRunner]: [99], [100], [193], [194], [198], [204], [205], [216], [221], [224], [226], [235], [479], [481], [482], [488], [490], [494], [496], [497], [626], [641], [643], [645], [646], [788], [790], [791], [798], [804], [805], [876], [877], [1093], [1094], [1235], [1237], [1242], [1245], [1246], [1248], [1249], [1309], [1310], [1311], [1418], [1420], [1422], [1424], [1425], [1426], [1428], [1430], [1432], [1433], [1442], [1444], [1446], [1448], [1449], [1485], [1487], [1489], [1490], [1495], [1497], [1499], [1500], [1664], [1666], [1667], [1668], [1670], [1672], [1673], [1674], [1676], [1678], [1679], [1874], [1876], [1877], [1885], [2237], [2239], [2241], [2243], [2245], [2247], [2249], [2251], [2253], [2255], [2257], [2259], [2261], [2263], [2265], [2267], [2269], [2271], [2273], [2275], [2277], [2279], [2281], [2283], [2285], [2287], [2289], [2291], [2293], [2295], [2297], [2299], [2301], [2303], [2305], [2307], [2309], [2311], [2313], [2315], [2317], [2319], [2321], [2323], [2325], [2327], [2329], [2331], [2334], [2336], [2338], [2340], [2342], [2375], [2408], [2454], [2590], [2707], [2753], [2756], [2759], [2762], [2765], [2767], [2771], [2774], [2777], [2779], [2784], [2787], [2789], [2791], [2793], [2795], [2797], [2799], [2801], [2803], [2825], [2871], [2904], [2937], [3073], [3106], [3139], [3172], [3218], [3251], [3254], [3257], [3260], [3263], [3265], [3275], [3661], [3670], [3675], [3687], [3691], [3705], [3706], [3733], [3734], [3869], [3871], [3873], [3874], [3971], [3973], [3978], [3999], [4002], [4006], [4009], [4011], [4014], [4021], [4165], [4171], [4173], [4174], [4175], [4177], [4204], [4205], [4206], [4207], [4208], [4209], [4238], [4239], [4242], [4243], [4244], [4245], [4284], [4285], [4286], [4287], [4298], [4299], [4392], [4393], [4394], [4395], [4402], [4403], [4430], [4431], [4432], [4433], [4434], [4435], [4436], [4437], [4438], [4439], [4440], [4441], [4444], [4445], [4446], [4447], [4448], [4449], [4456], [4457], [4458], [4459], [4464], [4465], [4466], [4467], [4478], [4479], [4480], [4481], [4482], [4483], [4484], [4485], [4486], [4487], [4524], [4525], [4528], [4529], [4598], [4599], [4600], [4601], [4602], [4603], [4604], [4605], [4606], [4607], [4608], [4609], [4610], [4611], [4612], [4613], [4614], [4615], [4616], [4617], [4618], [4619], [4620], [4621], [4622], [4623], [4624], [4625], [4626], [4627], [4628], [4629], [4630], [4631], [4632], [4633], [4634], [4635], [4636], [4637], [4638], [4639], [4640], [4641], [4642], [4643], [4644], [4645], [4646], [4647], [4648], [4649], [4650], [4651], [4652], [4653], [4654], [4655], [4656], [4657], [4658], [4659], [4660], [4661], [4662], [4663], [4664], [4665], [4666], [4667], [4668], [4669], [4670], [4671], [4672], [4673], [4674], [4675], [4676], [4677], [4678], [4679], [4680], [4681], [4682], [4683], [4684], [4685], [4686], [4687], [4688], [4689], [4690], [4691], [4692], [4693], [4694], [4695], [4696], [4697], [4698], [4699], [4700], [4701], [4758], [4759], [4760], [4761], [4762], [4763], [4764], [4765], [4766], [4767], [4768], [4769], [4770], [4771], [4772], [4773], [4774], [4775], [4776], [4777], [4838], [4839], [4894], [4948], [4949], [4950], [4951], [4986], [4987], [4988], [4996], [4997], [4998], [5000], [5001], [5032], [5033] [2019-09-10 11:04:15,582 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 11:04:15,583 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 11:04:16,245 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 11:04:16,246 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 662 root evaluator evaluations with a maximum evaluation depth of 0. Performed 662 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 1280 variables. [2019-09-10 11:04:16,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:04:16,251 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 11:04:16,511 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 11:04:16,511 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 11:04:16,524 INFO L420 sIntCurrentIteration]: We unified 635 AI predicates to 635 [2019-09-10 11:04:16,524 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 11:04:16,525 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 11:04:16,527 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2019-09-10 11:04:16,527 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:04:16,529 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 11:04:16,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 11:04:16,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 11:04:16,529 INFO L87 Difference]: Start difference. First operand 153795 states and 209119 transitions. Second operand 2 states. [2019-09-10 11:04:16,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:04:16,530 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 11:04:16,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 11:04:16,530 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 636 [2019-09-10 11:04:16,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:04:16,531 INFO L225 Difference]: With dead ends: 2 [2019-09-10 11:04:16,531 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 11:04:16,532 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 635 GetRequests, 635 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 11:04:16,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 11:04:16,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 11:04:16,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 11:04:16,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 11:04:16,533 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 636 [2019-09-10 11:04:16,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:04:16,534 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 11:04:16,534 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 11:04:16,534 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 11:04:16,534 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 11:04:16,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 11:04:16 BoogieIcfgContainer [2019-09-10 11:04:16,541 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 11:04:16,545 INFO L168 Benchmark]: Toolchain (without parser) took 92896.83 ms. Allocated memory was 132.6 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 76.0 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2019-09-10 11:04:16,546 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-10 11:04:16,548 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3697.24 ms. Allocated memory was 132.6 MB in the beginning and 266.9 MB in the end (delta: 134.2 MB). Free memory was 75.5 MB in the beginning and 68.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 141.1 MB. Max. memory is 7.1 GB. [2019-09-10 11:04:16,549 INFO L168 Benchmark]: Boogie Preprocessor took 456.79 ms. Allocated memory was 266.9 MB in the beginning and 275.8 MB in the end (delta: 8.9 MB). Free memory was 68.6 MB in the beginning and 173.3 MB in the end (delta: -104.7 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-09-10 11:04:16,555 INFO L168 Benchmark]: RCFGBuilder took 18245.28 ms. Allocated memory was 275.8 MB in the beginning and 867.7 MB in the end (delta: 591.9 MB). Free memory was 173.3 MB in the beginning and 331.4 MB in the end (delta: -158.1 MB). Peak memory consumption was 678.7 MB. Max. memory is 7.1 GB. [2019-09-10 11:04:16,556 INFO L168 Benchmark]: TraceAbstraction took 70492.67 ms. Allocated memory was 867.7 MB in the beginning and 3.0 GB in the end (delta: 2.1 GB). Free memory was 331.4 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 941.1 MB. Max. memory is 7.1 GB. [2019-09-10 11:04:16,559 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3697.24 ms. Allocated memory was 132.6 MB in the beginning and 266.9 MB in the end (delta: 134.2 MB). Free memory was 75.5 MB in the beginning and 68.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 141.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 456.79 ms. Allocated memory was 266.9 MB in the beginning and 275.8 MB in the end (delta: 8.9 MB). Free memory was 68.6 MB in the beginning and 173.3 MB in the end (delta: -104.7 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18245.28 ms. Allocated memory was 275.8 MB in the beginning and 867.7 MB in the end (delta: 591.9 MB). Free memory was 173.3 MB in the beginning and 331.4 MB in the end (delta: -158.1 MB). Peak memory consumption was 678.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 70492.67 ms. Allocated memory was 867.7 MB in the beginning and 3.0 GB in the end (delta: 2.1 GB). Free memory was 331.4 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 941.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5885]: 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 198 procedures, 2011 locations, 1 error locations. SAFE Result, 70.4s OverallTime, 10 OverallIterations, 68 TraceHistogramMax, 33.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 28996 SDtfs, 18695 SDslu, 34331 SDs, 0 SdLazy, 1018 SolverSat, 75 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 24.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 670 GetRequests, 653 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153795occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.7s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 3.451968503937008 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 19.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 278 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.7s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 10.4s InterpolantComputationTime, 5192 NumberOfCodeBlocks, 5192 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 5182 ConstructedInterpolants, 0 QuantifiedInterpolants, 3243882 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 68863/68893 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...