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-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:42:25,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:42:25,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:42:25,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:42:25,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:42:25,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:42:25,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:42:25,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:42:25,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:42:25,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:42:25,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:42:25,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:42:25,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:42:25,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:42:25,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:42:25,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:42:25,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:42:25,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:42:25,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:42:25,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:42:25,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:42:25,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:42:25,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:42:25,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:42:25,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:42:25,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:42:25,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:42:25,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:42:25,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:42:25,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:42:25,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:42:25,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:42:25,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:42:25,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:42:25,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:42:25,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:42:25,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:42:25,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:42:25,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:42:25,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:42:25,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:42:25,897 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 [2019-09-20 13:42:25,911 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:42:25,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:42:25,911 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:42:25,912 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:42:25,912 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:42:25,912 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:42:25,912 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:42:25,913 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:42:25,913 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:42:25,913 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:42:25,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:42:25,914 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:42:25,914 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:42:25,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:42:25,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:42:25,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:42:25,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:42:25,915 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:42:25,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:42:25,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:42:25,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:42:25,916 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:42:25,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:42:25,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:42:25,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:42:25,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:42:25,917 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:42:25,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:42:25,917 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:42:25,917 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:42:25,947 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:42:25,959 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:42:25,962 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:42:25,964 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:42:25,964 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:42:25,965 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i [2019-09-20 13:42:26,022 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e8ee5e10/9311a447c6a34cc2a5e2dbfae39745b2/FLAG39105b456 [2019-09-20 13:42:26,751 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:42:26,752 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i [2019-09-20 13:42:26,782 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e8ee5e10/9311a447c6a34cc2a5e2dbfae39745b2/FLAG39105b456 [2019-09-20 13:42:27,287 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e8ee5e10/9311a447c6a34cc2a5e2dbfae39745b2 [2019-09-20 13:42:27,297 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:42:27,298 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:42:27,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:42:27,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:42:27,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:42:27,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:42:27" (1/1) ... [2019-09-20 13:42:27,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2873859a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:27, skipping insertion in model container [2019-09-20 13:42:27,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:42:27" (1/1) ... [2019-09-20 13:42:27,314 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:42:27,454 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:42:29,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:42:29,088 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:42:29,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:42:29,545 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:42:29,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:29 WrapperNode [2019-09-20 13:42:29,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:42:29,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:42:29,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:42:29,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:42:29,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:29" (1/1) ... [2019-09-20 13:42:29,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:29" (1/1) ... [2019-09-20 13:42:29,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:29" (1/1) ... [2019-09-20 13:42:29,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:29" (1/1) ... [2019-09-20 13:42:29,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:29" (1/1) ... [2019-09-20 13:42:29,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:29" (1/1) ... [2019-09-20 13:42:29,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:29" (1/1) ... [2019-09-20 13:42:29,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:42:29,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:42:29,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:42:29,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:42:29,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:29" (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 [2019-09-20 13:42:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:42:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:42:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-09-20 13:42:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-20 13:42:29,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2019-09-20 13:42:29,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:42:29,974 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-20 13:42:29,974 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-20 13:42:29,975 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-09-20 13:42:29,975 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-20 13:42:29,975 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-20 13:42:29,976 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-09-20 13:42:29,976 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-20 13:42:29,977 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-20 13:42:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-09-20 13:42:29,979 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-20 13:42:29,980 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-09-20 13:42:29,980 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-20 13:42:29,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-20 13:42:29,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:42:29,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 13:42:29,982 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 13:42:29,983 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-20 13:42:29,983 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2019-09-20 13:42:29,984 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-09-20 13:42:29,984 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-09-20 13:42:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-20 13:42:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice [2019-09-20 13:42:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-09-20 13:42:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-09-20 13:42:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-09-20 13:42:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-09-20 13:42:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-09-20 13:42:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-09-20 13:42:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-09-20 13:42:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-09-20 13:42:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-09-20 13:42:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_alloc_bufs [2019-09-20 13:42:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2019-09-20 13:42:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_realloc_bufs [2019-09-20 13:42:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_lock [2019-09-20 13:42:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2019-09-20 13:42:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2019-09-20 13:42:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_encaps [2019-09-20 13:42:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_write_wakeup [2019-09-20 13:42:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_tx_timeout [2019-09-20 13:42:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_xmit [2019-09-20 13:42:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_close [2019-09-20 13:42:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_open [2019-09-20 13:42:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_change_mtu [2019-09-20 13:42:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_get_stats64 [2019-09-20 13:42:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_init [2019-09-20 13:42:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_uninit [2019-09-20 13:42:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_netdev [2019-09-20 13:42:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_setup [2019-09-20 13:42:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_receive_buf [2019-09-20 13:42:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_sync [2019-09-20 13:42:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_alloc [2019-09-20 13:42:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_open [2019-09-20 13:42:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2019-09-20 13:42:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_hangup [2019-09-20 13:42:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_esc [2019-09-20 13:42:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_unesc [2019-09-20 13:42:29,994 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_esc6 [2019-09-20 13:42:29,994 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_unesc6 [2019-09-20 13:42:29,995 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2019-09-20 13:42:29,995 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_compat_ioctl [2019-09-20 13:42:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2019-09-20 13:42:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_init [2019-09-20 13:42:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_exit [2019-09-20 13:42:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_outfill [2019-09-20 13:42:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_keepalive [2019-09-20 13:42:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:42:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sl_alloc_bufs_1 [2019-09-20 13:42:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdevice_2 [2019-09-20 13:42:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_slip_open_3 [2019-09-20 13:42:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:42:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_callback_ret_val [2019-09-20 13:42:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-09-20 13:42:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-20 13:42:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-20 13:42:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-20 13:42:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-09-20 13:42:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-20 13:42:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-09-20 13:42:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-09-20 13:42:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-09-20 13:42:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-09-20 13:42:30,005 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-09-20 13:42:30,005 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-09-20 13:42:30,005 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-09-20 13:42:30,005 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-09-20 13:42:30,005 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2019-09-20 13:42:30,006 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2019-09-20 13:42:30,006 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-09-20 13:42:30,006 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-09-20 13:42:30,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:42:30,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-09-20 13:42:30,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-09-20 13:42:30,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:42:30,007 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-20 13:42:30,007 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-09-20 13:42:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2019-09-20 13:42:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-09-20 13:42:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-09-20 13:42:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 13:42:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice [2019-09-20 13:42:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2019-09-20 13:42:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2019-09-20 13:42:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-20 13:42:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_compress [2019-09-20 13:42:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2019-09-20 13:42:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2019-09-20 13:42:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_remember [2019-09-20 13:42:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_uncompress [2019-09-20 13:42:30,011 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_chars_in_buffer [2019-09-20 13:42:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2019-09-20 13:42:30,014 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2019-09-20 13:42:30,014 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_mode_ioctl [2019-09-20 13:42:30,016 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2019-09-20 13:42:30,016 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2019-09-20 13:42:30,016 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-09-20 13:42:30,016 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_queue [2019-09-20 13:42:30,018 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-20 13:42:30,018 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:42:30,019 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:42:30,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 13:42:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:42:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:42:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-20 13:42:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:42:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2019-09-20 13:42:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_callback_ret_val [2019-09-20 13:42:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-20 13:42:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-20 13:42:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-09-20 13:42:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-20 13:42:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-20 13:42:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:42:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 13:42:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-20 13:42:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-20 13:42:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-20 13:42:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-20 13:42:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-09-20 13:42:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-09-20 13:42:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-09-20 13:42:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-20 13:42:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-20 13:42:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-09-20 13:42:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-20 13:42:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-09-20 13:42:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-20 13:42:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-20 13:42:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-09-20 13:42:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-20 13:42:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-09-20 13:42:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2019-09-20 13:42:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-09-20 13:42:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-09-20 13:42:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-09-20 13:42:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-09-20 13:42:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-09-20 13:42:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-20 13:42:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-20 13:42:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-09-20 13:42:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure tty_chars_in_buffer [2019-09-20 13:42:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2019-09-20 13:42:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure tty_mode_ioctl [2019-09-20 13:42:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2019-09-20 13:42:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2019-09-20 13:42:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2019-09-20 13:42:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:42:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:42:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:42:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-20 13:42:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:42:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:42:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 13:42:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 13:42:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-20 13:42:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-09-20 13:42:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-20 13:42:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2019-09-20 13:42:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:42:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:42:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-09-20 13:42:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-09-20 13:42:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-09-20 13:42:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-20 13:42:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2019-09-20 13:42:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice [2019-09-20 13:42:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdevice_2 [2019-09-20 13:42:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_queue [2019-09-20 13:42:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice [2019-09-20 13:42:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-09-20 13:42:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-09-20 13:42:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-09-20 13:42:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-09-20 13:42:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-09-20 13:42:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-09-20 13:42:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-09-20 13:42:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-09-20 13:42:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:42:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-09-20 13:42:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-09-20 13:42:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-09-20 13:42:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-09-20 13:42:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-09-20 13:42:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2019-09-20 13:42:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-09-20 13:42:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-09-20 13:42:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2019-09-20 13:42:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2019-09-20 13:42:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2019-09-20 13:42:30,047 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2019-09-20 13:42:30,047 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_compress [2019-09-20 13:42:30,047 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_uncompress [2019-09-20 13:42:30,047 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_remember [2019-09-20 13:42:30,047 INFO L130 BoogieDeclarations]: Found specification of procedure slip_esc [2019-09-20 13:42:30,047 INFO L130 BoogieDeclarations]: Found specification of procedure slip_unesc [2019-09-20 13:42:30,047 INFO L130 BoogieDeclarations]: Found specification of procedure slip_esc6 [2019-09-20 13:42:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure slip_unesc6 [2019-09-20 13:42:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure sl_keepalive [2019-09-20 13:42:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure sl_outfill [2019-09-20 13:42:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2019-09-20 13:42:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure sl_alloc_bufs [2019-09-20 13:42:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sl_alloc_bufs_1 [2019-09-20 13:42:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2019-09-20 13:42:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 13:42:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure sl_realloc_bufs [2019-09-20 13:42:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 13:42:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:42:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure sl_lock [2019-09-20 13:42:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2019-09-20 13:42:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2019-09-20 13:42:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure sl_encaps [2019-09-20 13:42:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-09-20 13:42:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:42:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure slip_write_wakeup [2019-09-20 13:42:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure sl_tx_timeout [2019-09-20 13:42:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure sl_xmit [2019-09-20 13:42:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure sl_close [2019-09-20 13:42:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure sl_open [2019-09-20 13:42:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure sl_change_mtu [2019-09-20 13:42:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure sl_get_stats64 [2019-09-20 13:42:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure sl_init [2019-09-20 13:42:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure sl_uninit [2019-09-20 13:42:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_netdev [2019-09-20 13:42:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure sl_setup [2019-09-20 13:42:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure slip_receive_buf [2019-09-20 13:42:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure sl_sync [2019-09-20 13:42:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure sl_alloc [2019-09-20 13:42:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure slip_open [2019-09-20 13:42:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_slip_open_3 [2019-09-20 13:42:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2019-09-20 13:42:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure slip_hangup [2019-09-20 13:42:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2019-09-20 13:42:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure slip_compat_ioctl [2019-09-20 13:42:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure slip_init [2019-09-20 13:42:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure slip_exit [2019-09-20 13:42:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:42:30,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-09-20 13:42:30,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:42:30,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-09-20 13:42:30,053 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:42:30,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:42:30,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:42:30,053 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:42:30,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-20 13:42:30,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:42:30,054 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:42:30,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:42:30,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:42:30,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:42:30,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:42:30,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 13:42:30,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 13:42:30,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 13:42:30,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 13:42:31,040 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-20 13:42:33,429 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:42:33,430 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:42:33,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:42:33 BoogieIcfgContainer [2019-09-20 13:42:33,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:42:33,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:42:33,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:42:33,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:42:33,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:42:27" (1/3) ... [2019-09-20 13:42:33,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39bfc471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:42:33, skipping insertion in model container [2019-09-20 13:42:33,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:29" (2/3) ... [2019-09-20 13:42:33,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39bfc471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:42:33, skipping insertion in model container [2019-09-20 13:42:33,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:42:33" (3/3) ... [2019-09-20 13:42:33,440 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-net-slip-ko--108_1a--1b0b0ac.i [2019-09-20 13:42:33,450 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:42:33,462 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:42:33,479 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:42:33,509 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:42:33,509 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:42:33,509 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:42:33,509 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:42:33,509 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:42:33,510 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:42:33,510 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:42:33,510 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:42:33,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states. [2019-09-20 13:42:33,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-20 13:42:33,598 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:42:33,600 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:42:33,602 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:42:33,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:42:33,608 INFO L82 PathProgramCache]: Analyzing trace with hash 573246578, now seen corresponding path program 1 times [2019-09-20 13:42:33,611 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:42:33,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:33,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:42:33,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:33,708 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:42:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:42:34,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-09-20 13:42:34,228 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:42:34,228 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:42:34,228 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:42:34,234 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:42:34,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:42:34,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:42:34,252 INFO L87 Difference]: Start difference. First operand 1230 states. Second operand 5 states. [2019-09-20 13:42:39,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:42:39,232 INFO L93 Difference]: Finished difference Result 1228 states and 1692 transitions. [2019-09-20 13:42:39,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:42:39,234 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2019-09-20 13:42:39,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:42:39,270 INFO L225 Difference]: With dead ends: 1228 [2019-09-20 13:42:39,270 INFO L226 Difference]: Without dead ends: 1176 [2019-09-20 13:42:39,271 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:42:39,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2019-09-20 13:42:39,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1176. [2019-09-20 13:42:39,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1176 states. [2019-09-20 13:42:39,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1616 transitions. [2019-09-20 13:42:39,419 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1616 transitions. Word has length 77 [2019-09-20 13:42:39,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:42:39,423 INFO L475 AbstractCegarLoop]: Abstraction has 1176 states and 1616 transitions. [2019-09-20 13:42:39,423 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:42:39,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1616 transitions. [2019-09-20 13:42:39,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-20 13:42:39,432 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:42:39,433 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:42:39,433 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:42:39,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:42:39,435 INFO L82 PathProgramCache]: Analyzing trace with hash 155849972, now seen corresponding path program 1 times [2019-09-20 13:42:39,435 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:42:39,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:39,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:42:39,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:39,449 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:42:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:42:39,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-09-20 13:42:39,718 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:42:39,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:42:39,719 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:42:39,722 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:42:39,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:42:39,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:42:39,722 INFO L87 Difference]: Start difference. First operand 1176 states and 1616 transitions. Second operand 10 states. [2019-09-20 13:42:39,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:42:39,843 INFO L93 Difference]: Finished difference Result 1182 states and 1621 transitions. [2019-09-20 13:42:39,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:42:39,844 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 77 [2019-09-20 13:42:39,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:42:39,853 INFO L225 Difference]: With dead ends: 1182 [2019-09-20 13:42:39,853 INFO L226 Difference]: Without dead ends: 1178 [2019-09-20 13:42:39,854 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:42:39,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2019-09-20 13:42:39,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 1176. [2019-09-20 13:42:39,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1176 states. [2019-09-20 13:42:39,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1615 transitions. [2019-09-20 13:42:39,901 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1615 transitions. Word has length 77 [2019-09-20 13:42:39,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:42:39,901 INFO L475 AbstractCegarLoop]: Abstraction has 1176 states and 1615 transitions. [2019-09-20 13:42:39,901 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:42:39,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1615 transitions. [2019-09-20 13:42:39,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-09-20 13:42:39,905 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:42:39,905 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:42:39,906 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:42:39,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:42:39,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1128765276, now seen corresponding path program 1 times [2019-09-20 13:42:39,906 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:42:39,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:39,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:42:39,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:39,915 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:42:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:42:40,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-09-20 13:42:40,043 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:42:40,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:42:40,043 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:42:40,044 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:42:40,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:42:40,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:42:40,044 INFO L87 Difference]: Start difference. First operand 1176 states and 1615 transitions. Second operand 7 states. [2019-09-20 13:42:40,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:42:40,126 INFO L93 Difference]: Finished difference Result 1187 states and 1626 transitions. [2019-09-20 13:42:40,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:42:40,127 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2019-09-20 13:42:40,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:42:40,135 INFO L225 Difference]: With dead ends: 1187 [2019-09-20 13:42:40,135 INFO L226 Difference]: Without dead ends: 1187 [2019-09-20 13:42:40,136 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:42:40,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2019-09-20 13:42:40,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1184. [2019-09-20 13:42:40,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1184 states. [2019-09-20 13:42:40,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1623 transitions. [2019-09-20 13:42:40,174 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1623 transitions. Word has length 84 [2019-09-20 13:42:40,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:42:40,174 INFO L475 AbstractCegarLoop]: Abstraction has 1184 states and 1623 transitions. [2019-09-20 13:42:40,174 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:42:40,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1623 transitions. [2019-09-20 13:42:40,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-09-20 13:42:40,179 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:42:40,179 INFO L407 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:42:40,179 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:42:40,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:42:40,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1221708005, now seen corresponding path program 1 times [2019-09-20 13:42:40,180 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:42:40,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:40,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:42:40,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:40,187 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:42:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:42:40,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-09-20 13:42:40,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:42:40,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:42:40,276 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:42:40,277 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:42:40,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:42:40,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:42:40,278 INFO L87 Difference]: Start difference. First operand 1184 states and 1623 transitions. Second operand 3 states. [2019-09-20 13:42:40,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:42:40,307 INFO L93 Difference]: Finished difference Result 1185 states and 1624 transitions. [2019-09-20 13:42:40,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:42:40,308 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2019-09-20 13:42:40,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:42:40,316 INFO L225 Difference]: With dead ends: 1185 [2019-09-20 13:42:40,317 INFO L226 Difference]: Without dead ends: 1185 [2019-09-20 13:42:40,317 INFO L636 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 [2019-09-20 13:42:40,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2019-09-20 13:42:40,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1185. [2019-09-20 13:42:40,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1185 states. [2019-09-20 13:42:40,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1624 transitions. [2019-09-20 13:42:40,355 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1624 transitions. Word has length 100 [2019-09-20 13:42:40,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:42:40,357 INFO L475 AbstractCegarLoop]: Abstraction has 1185 states and 1624 transitions. [2019-09-20 13:42:40,357 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:42:40,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1624 transitions. [2019-09-20 13:42:40,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-09-20 13:42:40,364 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:42:40,364 INFO L407 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:42:40,364 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:42:40,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:42:40,365 INFO L82 PathProgramCache]: Analyzing trace with hash -210590755, now seen corresponding path program 1 times [2019-09-20 13:42:40,365 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:42:40,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:40,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:42:40,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:40,375 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:42:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:42:40,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-09-20 13:42:40,526 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:42:40,526 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 13:42:40,526 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:42:40,526 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:42:40,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:42:40,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:42:40,527 INFO L87 Difference]: Start difference. First operand 1185 states and 1624 transitions. Second operand 8 states. [2019-09-20 13:42:40,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:42:40,651 INFO L93 Difference]: Finished difference Result 1216 states and 1661 transitions. [2019-09-20 13:42:40,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:42:40,651 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 100 [2019-09-20 13:42:40,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:42:40,659 INFO L225 Difference]: With dead ends: 1216 [2019-09-20 13:42:40,659 INFO L226 Difference]: Without dead ends: 1216 [2019-09-20 13:42:40,660 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:42:40,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2019-09-20 13:42:40,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1187. [2019-09-20 13:42:40,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1187 states. [2019-09-20 13:42:40,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1627 transitions. [2019-09-20 13:42:40,746 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1627 transitions. Word has length 100 [2019-09-20 13:42:40,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:42:40,747 INFO L475 AbstractCegarLoop]: Abstraction has 1187 states and 1627 transitions. [2019-09-20 13:42:40,747 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:42:40,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1627 transitions. [2019-09-20 13:42:40,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-09-20 13:42:40,752 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:42:40,752 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:42:40,754 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:42:40,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:42:40,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1613948095, now seen corresponding path program 1 times [2019-09-20 13:42:40,754 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:42:40,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:40,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:42:40,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:40,762 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:42:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:42:40,976 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-09-20 13:42:40,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:42:40,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:42:40,977 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:42:40,978 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:42:40,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:42:40,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:42:40,979 INFO L87 Difference]: Start difference. First operand 1187 states and 1627 transitions. Second operand 4 states. [2019-09-20 13:42:42,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:42:42,340 INFO L93 Difference]: Finished difference Result 1208 states and 1646 transitions. [2019-09-20 13:42:42,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:42:42,342 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2019-09-20 13:42:42,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:42:42,351 INFO L225 Difference]: With dead ends: 1208 [2019-09-20 13:42:42,351 INFO L226 Difference]: Without dead ends: 1208 [2019-09-20 13:42:42,351 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:42:42,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2019-09-20 13:42:42,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1208. [2019-09-20 13:42:42,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2019-09-20 13:42:42,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1646 transitions. [2019-09-20 13:42:42,387 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1646 transitions. Word has length 134 [2019-09-20 13:42:42,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:42:42,388 INFO L475 AbstractCegarLoop]: Abstraction has 1208 states and 1646 transitions. [2019-09-20 13:42:42,389 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:42:42,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1646 transitions. [2019-09-20 13:42:42,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-09-20 13:42:42,395 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:42:42,396 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:42:42,396 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:42:42,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:42:42,396 INFO L82 PathProgramCache]: Analyzing trace with hash -2028554236, now seen corresponding path program 1 times [2019-09-20 13:42:42,397 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:42:42,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:42,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:42:42,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:42,404 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:42:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:42:42,506 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-09-20 13:42:42,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:42:42,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:42:42,507 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:42:42,507 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:42:42,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:42:42,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:42:42,508 INFO L87 Difference]: Start difference. First operand 1208 states and 1646 transitions. Second operand 3 states. [2019-09-20 13:42:42,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:42:42,541 INFO L93 Difference]: Finished difference Result 1209 states and 1644 transitions. [2019-09-20 13:42:42,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:42:42,542 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2019-09-20 13:42:42,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:42:42,550 INFO L225 Difference]: With dead ends: 1209 [2019-09-20 13:42:42,550 INFO L226 Difference]: Without dead ends: 1209 [2019-09-20 13:42:42,551 INFO L636 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 [2019-09-20 13:42:42,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2019-09-20 13:42:42,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1208. [2019-09-20 13:42:42,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2019-09-20 13:42:42,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1643 transitions. [2019-09-20 13:42:42,586 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1643 transitions. Word has length 136 [2019-09-20 13:42:42,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:42:42,586 INFO L475 AbstractCegarLoop]: Abstraction has 1208 states and 1643 transitions. [2019-09-20 13:42:42,586 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:42:42,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1643 transitions. [2019-09-20 13:42:42,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-09-20 13:42:42,595 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:42:42,596 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:42:42,596 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:42:42,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:42:42,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1618378941, now seen corresponding path program 1 times [2019-09-20 13:42:42,597 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:42:42,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:42,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:42:42,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:42,604 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:42:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:42:42,806 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-09-20 13:42:42,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:42:42,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:42:42,807 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:42:42,808 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:42:42,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:42:42,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:42:42,808 INFO L87 Difference]: Start difference. First operand 1208 states and 1643 transitions. Second operand 7 states. [2019-09-20 13:42:42,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:42:42,881 INFO L93 Difference]: Finished difference Result 1219 states and 1654 transitions. [2019-09-20 13:42:42,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:42:42,882 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 139 [2019-09-20 13:42:42,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:42:42,889 INFO L225 Difference]: With dead ends: 1219 [2019-09-20 13:42:42,889 INFO L226 Difference]: Without dead ends: 1219 [2019-09-20 13:42:42,889 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:42:42,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2019-09-20 13:42:42,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1208. [2019-09-20 13:42:42,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2019-09-20 13:42:42,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1643 transitions. [2019-09-20 13:42:42,922 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1643 transitions. Word has length 139 [2019-09-20 13:42:42,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:42:42,923 INFO L475 AbstractCegarLoop]: Abstraction has 1208 states and 1643 transitions. [2019-09-20 13:42:42,923 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:42:42,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1643 transitions. [2019-09-20 13:42:42,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-09-20 13:42:42,930 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:42:42,930 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:42:42,930 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:42:42,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:42:42,931 INFO L82 PathProgramCache]: Analyzing trace with hash -408956715, now seen corresponding path program 1 times [2019-09-20 13:42:42,931 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:42:42,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:42,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:42:42,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:42,938 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:42:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:42:43,208 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-20 13:42:43,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:42:43,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-09-20 13:42:43,209 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:42:43,209 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-20 13:42:43,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-20 13:42:43,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:42:43,210 INFO L87 Difference]: Start difference. First operand 1208 states and 1643 transitions. Second operand 13 states. [2019-09-20 13:42:43,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:42:43,458 INFO L93 Difference]: Finished difference Result 1225 states and 1662 transitions. [2019-09-20 13:42:43,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-20 13:42:43,459 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 190 [2019-09-20 13:42:43,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:42:43,468 INFO L225 Difference]: With dead ends: 1225 [2019-09-20 13:42:43,468 INFO L226 Difference]: Without dead ends: 1225 [2019-09-20 13:42:43,469 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2019-09-20 13:42:43,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2019-09-20 13:42:43,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1210. [2019-09-20 13:42:43,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1210 states. [2019-09-20 13:42:43,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 1646 transitions. [2019-09-20 13:42:43,512 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 1646 transitions. Word has length 190 [2019-09-20 13:42:43,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:42:43,515 INFO L475 AbstractCegarLoop]: Abstraction has 1210 states and 1646 transitions. [2019-09-20 13:42:43,515 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-20 13:42:43,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1646 transitions. [2019-09-20 13:42:43,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-09-20 13:42:43,526 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:42:43,527 INFO L407 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:42:43,527 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:42:43,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:42:43,528 INFO L82 PathProgramCache]: Analyzing trace with hash 527928820, now seen corresponding path program 1 times [2019-09-20 13:42:43,528 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:42:43,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:43,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:42:43,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:43,538 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:42:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:42:43,690 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-09-20 13:42:43,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:42:43,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:42:43,692 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:42:43,692 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:42:43,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:42:43,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:42:43,693 INFO L87 Difference]: Start difference. First operand 1210 states and 1646 transitions. Second operand 3 states. [2019-09-20 13:42:43,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:42:43,721 INFO L93 Difference]: Finished difference Result 1211 states and 1644 transitions. [2019-09-20 13:42:43,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:42:43,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2019-09-20 13:42:43,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:42:43,730 INFO L225 Difference]: With dead ends: 1211 [2019-09-20 13:42:43,731 INFO L226 Difference]: Without dead ends: 1211 [2019-09-20 13:42:43,731 INFO L636 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 [2019-09-20 13:42:43,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2019-09-20 13:42:43,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1210. [2019-09-20 13:42:43,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1210 states. [2019-09-20 13:42:43,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 1643 transitions. [2019-09-20 13:42:43,781 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 1643 transitions. Word has length 240 [2019-09-20 13:42:43,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:42:43,782 INFO L475 AbstractCegarLoop]: Abstraction has 1210 states and 1643 transitions. [2019-09-20 13:42:43,782 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:42:43,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1643 transitions. [2019-09-20 13:42:43,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-09-20 13:42:43,793 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:42:43,793 INFO L407 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:42:43,793 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:42:43,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:42:43,794 INFO L82 PathProgramCache]: Analyzing trace with hash 672551449, now seen corresponding path program 1 times [2019-09-20 13:42:43,794 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:42:43,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:43,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:42:43,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:43,803 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:42:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:42:44,015 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-09-20 13:42:44,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:42:44,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:42:44,015 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:42:44,016 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:42:44,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:42:44,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:42:44,017 INFO L87 Difference]: Start difference. First operand 1210 states and 1643 transitions. Second operand 3 states. [2019-09-20 13:42:44,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:42:44,042 INFO L93 Difference]: Finished difference Result 1211 states and 1641 transitions. [2019-09-20 13:42:44,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:42:44,043 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2019-09-20 13:42:44,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:42:44,050 INFO L225 Difference]: With dead ends: 1211 [2019-09-20 13:42:44,050 INFO L226 Difference]: Without dead ends: 1211 [2019-09-20 13:42:44,051 INFO L636 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 [2019-09-20 13:42:44,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2019-09-20 13:42:44,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1210. [2019-09-20 13:42:44,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1210 states. [2019-09-20 13:42:44,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 1640 transitions. [2019-09-20 13:42:44,080 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 1640 transitions. Word has length 243 [2019-09-20 13:42:44,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:42:44,080 INFO L475 AbstractCegarLoop]: Abstraction has 1210 states and 1640 transitions. [2019-09-20 13:42:44,081 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:42:44,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1640 transitions. [2019-09-20 13:42:44,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-09-20 13:42:44,087 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:42:44,088 INFO L407 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:42:44,088 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:42:44,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:42:44,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1780374236, now seen corresponding path program 1 times [2019-09-20 13:42:44,089 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:42:44,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:44,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:42:44,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:44,096 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:42:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:42:44,244 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-09-20 13:42:44,244 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:42:44,245 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:42:44,245 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:42:44,247 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:42:44,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:42:44,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:42:44,248 INFO L87 Difference]: Start difference. First operand 1210 states and 1640 transitions. Second operand 3 states. [2019-09-20 13:42:44,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:42:44,278 INFO L93 Difference]: Finished difference Result 1211 states and 1638 transitions. [2019-09-20 13:42:44,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:42:44,278 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2019-09-20 13:42:44,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:42:44,285 INFO L225 Difference]: With dead ends: 1211 [2019-09-20 13:42:44,285 INFO L226 Difference]: Without dead ends: 1211 [2019-09-20 13:42:44,285 INFO L636 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 [2019-09-20 13:42:44,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2019-09-20 13:42:44,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1210. [2019-09-20 13:42:44,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1210 states. [2019-09-20 13:42:44,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 1637 transitions. [2019-09-20 13:42:44,319 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 1637 transitions. Word has length 246 [2019-09-20 13:42:44,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:42:44,320 INFO L475 AbstractCegarLoop]: Abstraction has 1210 states and 1637 transitions. [2019-09-20 13:42:44,320 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:42:44,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1637 transitions. [2019-09-20 13:42:44,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-09-20 13:42:44,327 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:42:44,327 INFO L407 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:42:44,328 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:42:44,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:42:44,328 INFO L82 PathProgramCache]: Analyzing trace with hash -2095787327, now seen corresponding path program 1 times [2019-09-20 13:42:44,328 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:42:44,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:44,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:42:44,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:44,336 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:42:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:42:44,479 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-09-20 13:42:44,480 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:42:44,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:42:44,480 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:42:44,481 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:42:44,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:42:44,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:42:44,482 INFO L87 Difference]: Start difference. First operand 1210 states and 1637 transitions. Second operand 3 states. [2019-09-20 13:42:44,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:42:44,507 INFO L93 Difference]: Finished difference Result 1211 states and 1635 transitions. [2019-09-20 13:42:44,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:42:44,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 249 [2019-09-20 13:42:44,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:42:44,514 INFO L225 Difference]: With dead ends: 1211 [2019-09-20 13:42:44,515 INFO L226 Difference]: Without dead ends: 1211 [2019-09-20 13:42:44,515 INFO L636 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 [2019-09-20 13:42:44,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2019-09-20 13:42:44,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1210. [2019-09-20 13:42:44,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1210 states. [2019-09-20 13:42:44,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 1634 transitions. [2019-09-20 13:42:44,544 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 1634 transitions. Word has length 249 [2019-09-20 13:42:44,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:42:44,546 INFO L475 AbstractCegarLoop]: Abstraction has 1210 states and 1634 transitions. [2019-09-20 13:42:44,546 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:42:44,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1634 transitions. [2019-09-20 13:42:44,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-09-20 13:42:44,552 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:42:44,553 INFO L407 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:42:44,553 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:42:44,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:42:44,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1545039676, now seen corresponding path program 1 times [2019-09-20 13:42:44,554 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:42:44,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:44,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:42:44,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:44,561 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:42:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:42:44,875 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-09-20 13:42:44,875 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:42:44,875 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-09-20 13:42:44,875 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:42:44,876 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-20 13:42:44,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-20 13:42:44,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:42:44,877 INFO L87 Difference]: Start difference. First operand 1210 states and 1634 transitions. Second operand 13 states. [2019-09-20 13:42:45,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:42:45,073 INFO L93 Difference]: Finished difference Result 1222 states and 1647 transitions. [2019-09-20 13:42:45,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-20 13:42:45,073 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 252 [2019-09-20 13:42:45,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:42:45,074 INFO L225 Difference]: With dead ends: 1222 [2019-09-20 13:42:45,074 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:42:45,075 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2019-09-20 13:42:45,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:42:45,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:42:45,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:42:45,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:42:45,076 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 252 [2019-09-20 13:42:45,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:42:45,076 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:42:45,076 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-20 13:42:45,076 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:42:45,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:42:45,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:42:45 BoogieIcfgContainer [2019-09-20 13:42:45,083 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:42:45,085 INFO L168 Benchmark]: Toolchain (without parser) took 17786.31 ms. Allocated memory was 134.2 MB in the beginning and 568.3 MB in the end (delta: 434.1 MB). Free memory was 80.8 MB in the beginning and 400.8 MB in the end (delta: -320.0 MB). Peak memory consumption was 114.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:42:45,086 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:42:45,088 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2247.00 ms. Allocated memory was 134.2 MB in the beginning and 267.4 MB in the end (delta: 133.2 MB). Free memory was 80.6 MB in the beginning and 191.3 MB in the end (delta: -110.7 MB). Peak memory consumption was 118.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:42:45,093 INFO L168 Benchmark]: Boogie Preprocessor took 327.47 ms. Allocated memory is still 267.4 MB. Free memory was 191.3 MB in the beginning and 173.0 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:42:45,094 INFO L168 Benchmark]: RCFGBuilder took 3557.65 ms. Allocated memory was 267.4 MB in the beginning and 348.1 MB in the end (delta: 80.7 MB). Free memory was 173.0 MB in the beginning and 138.8 MB in the end (delta: 34.2 MB). Peak memory consumption was 114.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:42:45,095 INFO L168 Benchmark]: TraceAbstraction took 11648.99 ms. Allocated memory was 348.1 MB in the beginning and 568.3 MB in the end (delta: 220.2 MB). Free memory was 138.8 MB in the beginning and 400.8 MB in the end (delta: -262.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:42:45,106 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2247.00 ms. Allocated memory was 134.2 MB in the beginning and 267.4 MB in the end (delta: 133.2 MB). Free memory was 80.6 MB in the beginning and 191.3 MB in the end (delta: -110.7 MB). Peak memory consumption was 118.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 327.47 ms. Allocated memory is still 267.4 MB. Free memory was 191.3 MB in the beginning and 173.0 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3557.65 ms. Allocated memory was 267.4 MB in the beginning and 348.1 MB in the end (delta: 80.7 MB). Free memory was 173.0 MB in the beginning and 138.8 MB in the end (delta: 34.2 MB). Peak memory consumption was 114.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11648.99 ms. Allocated memory was 348.1 MB in the beginning and 568.3 MB in the end (delta: 220.2 MB). Free memory was 138.8 MB in the beginning and 400.8 MB in the end (delta: -262.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7113]: 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 127 procedures, 1245 locations, 1 error locations. SAFE Result, 11.5s OverallTime, 14 OverallIterations, 6 TraceHistogramMax, 7.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 22322 SDtfs, 3953 SDslu, 84548 SDs, 0 SdLazy, 2906 SolverSat, 1174 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1230occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 65 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2267 NumberOfCodeBlocks, 2267 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2253 ConstructedInterpolants, 0 QuantifiedInterpolants, 522723 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 398/398 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...