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 0.1.24-673a906-m [2019-10-02 23:14:44,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 23:14:44,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 23:14:44,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 23:14:44,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 23:14:44,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 23:14:44,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 23:14:44,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 23:14:44,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 23:14:44,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 23:14:44,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 23:14:44,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 23:14:44,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 23:14:44,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 23:14:44,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 23:14:44,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 23:14:44,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 23:14:44,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 23:14:44,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 23:14:44,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 23:14:44,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 23:14:44,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 23:14:44,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 23:14:44,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 23:14:44,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 23:14:44,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 23:14:44,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 23:14:44,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 23:14:44,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 23:14:44,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 23:14:44,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 23:14:44,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 23:14:44,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 23:14:44,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 23:14:44,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 23:14:44,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 23:14:44,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 23:14:44,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 23:14:44,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 23:14:44,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 23:14:44,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 23:14:44,799 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-02 23:14:44,823 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 23:14:44,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 23:14:44,824 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-02 23:14:44,825 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-02 23:14:44,825 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-02 23:14:44,826 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-02 23:14:44,826 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-02 23:14:44,826 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-02 23:14:44,826 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-02 23:14:44,826 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-02 23:14:44,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 23:14:44,829 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 23:14:44,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 23:14:44,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 23:14:44,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 23:14:44,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 23:14:44,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 23:14:44,830 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 23:14:44,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 23:14:44,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 23:14:44,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 23:14:44,831 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-02 23:14:44,831 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 23:14:44,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 23:14:44,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 23:14:44,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 23:14:44,832 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-02 23:14:44,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 23:14:44,833 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 23:14:44,833 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-02 23:14:44,890 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 23:14:44,906 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 23:14:44,912 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 23:14:44,914 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 23:14:44,914 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 23:14:44,915 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i [2019-10-02 23:14:44,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f1943c1d/f9271cca90dd4d2a93de3dd8f7089917/FLAGa84d8a1c1 [2019-10-02 23:14:45,844 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 23:14:45,845 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i [2019-10-02 23:14:45,888 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f1943c1d/f9271cca90dd4d2a93de3dd8f7089917/FLAGa84d8a1c1 [2019-10-02 23:14:46,392 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f1943c1d/f9271cca90dd4d2a93de3dd8f7089917 [2019-10-02 23:14:46,401 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 23:14:46,403 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 23:14:46,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 23:14:46,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 23:14:46,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 23:14:46,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 11:14:46" (1/1) ... [2019-10-02 23:14:46,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7de122ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:14:46, skipping insertion in model container [2019-10-02 23:14:46,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 11:14:46" (1/1) ... [2019-10-02 23:14:46,419 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 23:14:46,553 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 23:14:48,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 23:14:48,260 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 23:14:48,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 23:14:48,877 INFO L192 MainTranslator]: Completed translation [2019-10-02 23:14:48,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:14:48 WrapperNode [2019-10-02 23:14:48,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 23:14:48,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 23:14:48,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 23:14:48,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 23:14:48,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:14:48" (1/1) ... [2019-10-02 23:14:48,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:14:48" (1/1) ... [2019-10-02 23:14:48,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:14:48" (1/1) ... [2019-10-02 23:14:48,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:14:48" (1/1) ... [2019-10-02 23:14:49,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:14:48" (1/1) ... [2019-10-02 23:14:49,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:14:48" (1/1) ... [2019-10-02 23:14:49,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:14:48" (1/1) ... [2019-10-02 23:14:49,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 23:14:49,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 23:14:49,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 23:14:49,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 23:14:49,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:14:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 23:14:49,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 23:14:49,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 23:14:49,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-02 23:14:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-02 23:14:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2019-10-02 23:14:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 23:14:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-02 23:14:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-02 23:14:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-02 23:14:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-02 23:14:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-02 23:14:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-02 23:14:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-02 23:14:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-02 23:14:49,247 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-10-02 23:14:49,247 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-02 23:14:49,247 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-10-02 23:14:49,247 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-02 23:14:49,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-02 23:14:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 23:14:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-02 23:14:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-02 23:14:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-02 23:14:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2019-10-02 23:14:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-10-02 23:14:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-02 23:14:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-02 23:14:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice [2019-10-02 23:14:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-02 23:14:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-02 23:14:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-02 23:14:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-02 23:14:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-02 23:14:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-02 23:14:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-02 23:14:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-10-02 23:14:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-02 23:14:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_alloc_bufs [2019-10-02 23:14:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2019-10-02 23:14:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_realloc_bufs [2019-10-02 23:14:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_lock [2019-10-02 23:14:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2019-10-02 23:14:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2019-10-02 23:14:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_encaps [2019-10-02 23:14:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_write_wakeup [2019-10-02 23:14:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_tx_timeout [2019-10-02 23:14:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_xmit [2019-10-02 23:14:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_close [2019-10-02 23:14:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_open [2019-10-02 23:14:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_change_mtu [2019-10-02 23:14:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_get_stats64 [2019-10-02 23:14:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_init [2019-10-02 23:14:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_uninit [2019-10-02 23:14:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_netdev [2019-10-02 23:14:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_setup [2019-10-02 23:14:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_receive_buf [2019-10-02 23:14:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_sync [2019-10-02 23:14:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_alloc [2019-10-02 23:14:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_open [2019-10-02 23:14:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2019-10-02 23:14:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_hangup [2019-10-02 23:14:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_esc [2019-10-02 23:14:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_unesc [2019-10-02 23:14:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_esc6 [2019-10-02 23:14:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_unesc6 [2019-10-02 23:14:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2019-10-02 23:14:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_compat_ioctl [2019-10-02 23:14:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2019-10-02 23:14:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_init [2019-10-02 23:14:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_exit [2019-10-02 23:14:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_outfill [2019-10-02 23:14:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_keepalive [2019-10-02 23:14:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 23:14:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sl_alloc_bufs_1 [2019-10-02 23:14:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdevice_2 [2019-10-02 23:14:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_slip_open_3 [2019-10-02 23:14:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 23:14:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_callback_ret_val [2019-10-02 23:14:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-02 23:14:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-02 23:14:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-02 23:14:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-02 23:14:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-10-02 23:14:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-02 23:14:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-10-02 23:14:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-02 23:14:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-10-02 23:14:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-02 23:14:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-02 23:14:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-10-02 23:14:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-02 23:14:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-10-02 23:14:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2019-10-02 23:14:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2019-10-02 23:14:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-02 23:14:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-02 23:14:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 23:14:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-02 23:14:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-10-02 23:14:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 23:14:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-02 23:14:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-02 23:14:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2019-10-02 23:14:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-02 23:14:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-10-02 23:14:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-02 23:14:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice [2019-10-02 23:14:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2019-10-02 23:14:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2019-10-02 23:14:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-02 23:14:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_compress [2019-10-02 23:14:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2019-10-02 23:14:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2019-10-02 23:14:49,263 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_remember [2019-10-02 23:14:49,263 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_uncompress [2019-10-02 23:14:49,263 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_chars_in_buffer [2019-10-02 23:14:49,263 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2019-10-02 23:14:49,263 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2019-10-02 23:14:49,263 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_mode_ioctl [2019-10-02 23:14:49,264 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2019-10-02 23:14:49,264 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2019-10-02 23:14:49,264 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-02 23:14:49,264 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_queue [2019-10-02 23:14:49,264 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-02 23:14:49,264 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 23:14:49,264 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 23:14:49,265 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-02 23:14:49,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 23:14:49,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 23:14:49,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-02 23:14:49,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 23:14:49,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2019-10-02 23:14:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_callback_ret_val [2019-10-02 23:14:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-02 23:14:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-02 23:14:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-02 23:14:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-02 23:14:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-02 23:14:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 23:14:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-02 23:14:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-02 23:14:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-02 23:14:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-02 23:14:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-02 23:14:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-02 23:14:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-10-02 23:14:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-02 23:14:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-02 23:14:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-02 23:14:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-10-02 23:14:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-02 23:14:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-10-02 23:14:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-02 23:14:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-02 23:14:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-10-02 23:14:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-02 23:14:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-10-02 23:14:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2019-10-02 23:14:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-02 23:14:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-10-02 23:14:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-02 23:14:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-02 23:14:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-02 23:14:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-02 23:14:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-02 23:14:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-02 23:14:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure tty_chars_in_buffer [2019-10-02 23:14:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2019-10-02 23:14:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure tty_mode_ioctl [2019-10-02 23:14:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2019-10-02 23:14:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2019-10-02 23:14:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2019-10-02 23:14:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 23:14:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 23:14:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 23:14:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-02 23:14:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 23:14:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 23:14:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-02 23:14:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-02 23:14:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-02 23:14:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-02 23:14:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-02 23:14:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2019-10-02 23:14:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 23:14:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 23:14:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-10-02 23:14:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-10-02 23:14:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-02 23:14:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-02 23:14:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2019-10-02 23:14:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice [2019-10-02 23:14:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdevice_2 [2019-10-02 23:14:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_queue [2019-10-02 23:14:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice [2019-10-02 23:14:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-02 23:14:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-10-02 23:14:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-02 23:14:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-02 23:14:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-02 23:14:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-02 23:14:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-02 23:14:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-02 23:14:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 23:14:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-02 23:14:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-02 23:14:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-10-02 23:14:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-02 23:14:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-02 23:14:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2019-10-02 23:14:49,277 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-10-02 23:14:49,277 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-02 23:14:49,277 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2019-10-02 23:14:49,277 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2019-10-02 23:14:49,277 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2019-10-02 23:14:49,277 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2019-10-02 23:14:49,277 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_compress [2019-10-02 23:14:49,278 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_uncompress [2019-10-02 23:14:49,278 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_remember [2019-10-02 23:14:49,278 INFO L130 BoogieDeclarations]: Found specification of procedure slip_esc [2019-10-02 23:14:49,278 INFO L130 BoogieDeclarations]: Found specification of procedure slip_unesc [2019-10-02 23:14:49,278 INFO L130 BoogieDeclarations]: Found specification of procedure slip_esc6 [2019-10-02 23:14:49,278 INFO L130 BoogieDeclarations]: Found specification of procedure slip_unesc6 [2019-10-02 23:14:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure sl_keepalive [2019-10-02 23:14:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure sl_outfill [2019-10-02 23:14:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2019-10-02 23:14:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure sl_alloc_bufs [2019-10-02 23:14:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sl_alloc_bufs_1 [2019-10-02 23:14:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2019-10-02 23:14:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-02 23:14:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure sl_realloc_bufs [2019-10-02 23:14:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-02 23:14:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 23:14:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure sl_lock [2019-10-02 23:14:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2019-10-02 23:14:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2019-10-02 23:14:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure sl_encaps [2019-10-02 23:14:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-02 23:14:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 23:14:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure slip_write_wakeup [2019-10-02 23:14:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure sl_tx_timeout [2019-10-02 23:14:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure sl_xmit [2019-10-02 23:14:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure sl_close [2019-10-02 23:14:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure sl_open [2019-10-02 23:14:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure sl_change_mtu [2019-10-02 23:14:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure sl_get_stats64 [2019-10-02 23:14:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure sl_init [2019-10-02 23:14:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure sl_uninit [2019-10-02 23:14:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_netdev [2019-10-02 23:14:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure sl_setup [2019-10-02 23:14:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure slip_receive_buf [2019-10-02 23:14:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure sl_sync [2019-10-02 23:14:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure sl_alloc [2019-10-02 23:14:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure slip_open [2019-10-02 23:14:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_slip_open_3 [2019-10-02 23:14:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2019-10-02 23:14:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure slip_hangup [2019-10-02 23:14:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2019-10-02 23:14:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure slip_compat_ioctl [2019-10-02 23:14:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure slip_init [2019-10-02 23:14:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure slip_exit [2019-10-02 23:14:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 23:14:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-02 23:14:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 23:14:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-10-02 23:14:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 23:14:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 23:14:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 23:14:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 23:14:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-02 23:14:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 23:14:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 23:14:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 23:14:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 23:14:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 23:14:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 23:14:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-02 23:14:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-02 23:14:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-02 23:14:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-02 23:14:50,213 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-02 23:14:53,258 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 23:14:53,259 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-02 23:14:53,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:14:53 BoogieIcfgContainer [2019-10-02 23:14:53,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 23:14:53,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 23:14:53,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 23:14:53,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 23:14:53,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 11:14:46" (1/3) ... [2019-10-02 23:14:53,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@465bc5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 11:14:53, skipping insertion in model container [2019-10-02 23:14:53,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:14:48" (2/3) ... [2019-10-02 23:14:53,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@465bc5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 11:14:53, skipping insertion in model container [2019-10-02 23:14:53,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:14:53" (3/3) ... [2019-10-02 23:14:53,273 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-net-slip-ko--108_1a--1b0b0ac.i [2019-10-02 23:14:53,283 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 23:14:53,296 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 23:14:53,314 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 23:14:53,344 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 23:14:53,345 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-02 23:14:53,345 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 23:14:53,345 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 23:14:53,345 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 23:14:53,345 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 23:14:53,345 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 23:14:53,346 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 23:14:53,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states. [2019-10-02 23:14:53,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-02 23:14:53,407 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:14:53,408 INFO L411 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] [2019-10-02 23:14:53,411 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:14:53,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:14:53,417 INFO L82 PathProgramCache]: Analyzing trace with hash 573246578, now seen corresponding path program 1 times [2019-10-02 23:14:53,419 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:14:53,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:14:53,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:14:53,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:14:53,498 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:14:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:14:53,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-02 23:14:53,975 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:14:53,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 23:14:53,976 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:14:53,982 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 23:14:54,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 23:14:54,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 23:14:54,005 INFO L87 Difference]: Start difference. First operand 1230 states. Second operand 5 states. [2019-10-02 23:14:59,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:14:59,224 INFO L93 Difference]: Finished difference Result 1228 states and 1692 transitions. [2019-10-02 23:14:59,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 23:14:59,226 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2019-10-02 23:14:59,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:14:59,269 INFO L225 Difference]: With dead ends: 1228 [2019-10-02 23:14:59,269 INFO L226 Difference]: Without dead ends: 1176 [2019-10-02 23:14:59,271 INFO L640 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 [2019-10-02 23:14:59,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2019-10-02 23:14:59,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1176. [2019-10-02 23:14:59,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1176 states. [2019-10-02 23:14:59,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1616 transitions. [2019-10-02 23:14:59,422 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1616 transitions. Word has length 77 [2019-10-02 23:14:59,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:14:59,424 INFO L475 AbstractCegarLoop]: Abstraction has 1176 states and 1616 transitions. [2019-10-02 23:14:59,424 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 23:14:59,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1616 transitions. [2019-10-02 23:14:59,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-02 23:14:59,435 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:14:59,435 INFO L411 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] [2019-10-02 23:14:59,436 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:14:59,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:14:59,436 INFO L82 PathProgramCache]: Analyzing trace with hash 155849972, now seen corresponding path program 1 times [2019-10-02 23:14:59,436 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:14:59,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:14:59,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:14:59,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:14:59,448 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:14:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:14:59,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-02 23:14:59,700 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:14:59,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-02 23:14:59,700 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:14:59,702 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-02 23:14:59,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-02 23:14:59,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-02 23:14:59,703 INFO L87 Difference]: Start difference. First operand 1176 states and 1616 transitions. Second operand 10 states. [2019-10-02 23:14:59,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:14:59,825 INFO L93 Difference]: Finished difference Result 1182 states and 1621 transitions. [2019-10-02 23:14:59,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 23:14:59,826 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 77 [2019-10-02 23:14:59,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:14:59,835 INFO L225 Difference]: With dead ends: 1182 [2019-10-02 23:14:59,835 INFO L226 Difference]: Without dead ends: 1178 [2019-10-02 23:14:59,836 INFO L640 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 [2019-10-02 23:14:59,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2019-10-02 23:14:59,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 1176. [2019-10-02 23:14:59,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1176 states. [2019-10-02 23:14:59,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1615 transitions. [2019-10-02 23:14:59,904 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1615 transitions. Word has length 77 [2019-10-02 23:14:59,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:14:59,905 INFO L475 AbstractCegarLoop]: Abstraction has 1176 states and 1615 transitions. [2019-10-02 23:14:59,905 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-02 23:14:59,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1615 transitions. [2019-10-02 23:14:59,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-02 23:14:59,911 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:14:59,911 INFO L411 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] [2019-10-02 23:14:59,912 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:14:59,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:14:59,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1128765276, now seen corresponding path program 1 times [2019-10-02 23:14:59,912 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:14:59,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:14:59,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:14:59,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:14:59,931 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:15:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:15:00,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-02 23:15:00,123 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:15:00,123 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 23:15:00,123 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:15:00,124 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 23:15:00,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 23:15:00,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:15:00,125 INFO L87 Difference]: Start difference. First operand 1176 states and 1615 transitions. Second operand 7 states. [2019-10-02 23:15:00,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:15:00,210 INFO L93 Difference]: Finished difference Result 1187 states and 1626 transitions. [2019-10-02 23:15:00,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 23:15:00,210 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2019-10-02 23:15:00,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:15:00,218 INFO L225 Difference]: With dead ends: 1187 [2019-10-02 23:15:00,219 INFO L226 Difference]: Without dead ends: 1187 [2019-10-02 23:15:00,219 INFO L640 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 [2019-10-02 23:15:00,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2019-10-02 23:15:00,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1184. [2019-10-02 23:15:00,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1184 states. [2019-10-02 23:15:00,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1623 transitions. [2019-10-02 23:15:00,258 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1623 transitions. Word has length 84 [2019-10-02 23:15:00,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:15:00,258 INFO L475 AbstractCegarLoop]: Abstraction has 1184 states and 1623 transitions. [2019-10-02 23:15:00,258 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 23:15:00,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1623 transitions. [2019-10-02 23:15:00,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-02 23:15:00,263 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:15:00,263 INFO L411 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] [2019-10-02 23:15:00,263 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:15:00,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:15:00,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1221708005, now seen corresponding path program 1 times [2019-10-02 23:15:00,264 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:15:00,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:15:00,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:15:00,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:15:00,273 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:15:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:15:00,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-02 23:15:00,419 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:15:00,419 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:15:00,419 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:15:00,420 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:15:00,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:15:00,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:15:00,421 INFO L87 Difference]: Start difference. First operand 1184 states and 1623 transitions. Second operand 3 states. [2019-10-02 23:15:00,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:15:00,454 INFO L93 Difference]: Finished difference Result 1185 states and 1624 transitions. [2019-10-02 23:15:00,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:15:00,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2019-10-02 23:15:00,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:15:00,462 INFO L225 Difference]: With dead ends: 1185 [2019-10-02 23:15:00,462 INFO L226 Difference]: Without dead ends: 1185 [2019-10-02 23:15:00,463 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:15:00,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2019-10-02 23:15:00,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1185. [2019-10-02 23:15:00,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1185 states. [2019-10-02 23:15:00,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1624 transitions. [2019-10-02 23:15:00,510 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1624 transitions. Word has length 100 [2019-10-02 23:15:00,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:15:00,511 INFO L475 AbstractCegarLoop]: Abstraction has 1185 states and 1624 transitions. [2019-10-02 23:15:00,511 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:15:00,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1624 transitions. [2019-10-02 23:15:00,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-02 23:15:00,515 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:15:00,516 INFO L411 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] [2019-10-02 23:15:00,516 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:15:00,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:15:00,517 INFO L82 PathProgramCache]: Analyzing trace with hash -210590755, now seen corresponding path program 1 times [2019-10-02 23:15:00,517 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:15:00,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:15:00,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:15:00,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:15:00,527 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:15:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:15:00,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-02 23:15:00,723 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:15:00,723 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-02 23:15:00,723 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:15:00,724 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 23:15:00,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 23:15:00,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-02 23:15:00,724 INFO L87 Difference]: Start difference. First operand 1185 states and 1624 transitions. Second operand 8 states. [2019-10-02 23:15:00,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:15:00,835 INFO L93 Difference]: Finished difference Result 1216 states and 1661 transitions. [2019-10-02 23:15:00,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 23:15:00,835 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 100 [2019-10-02 23:15:00,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:15:00,843 INFO L225 Difference]: With dead ends: 1216 [2019-10-02 23:15:00,843 INFO L226 Difference]: Without dead ends: 1216 [2019-10-02 23:15:00,844 INFO L640 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 [2019-10-02 23:15:00,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2019-10-02 23:15:00,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1187. [2019-10-02 23:15:00,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1187 states. [2019-10-02 23:15:00,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1627 transitions. [2019-10-02 23:15:00,881 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1627 transitions. Word has length 100 [2019-10-02 23:15:00,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:15:00,882 INFO L475 AbstractCegarLoop]: Abstraction has 1187 states and 1627 transitions. [2019-10-02 23:15:00,882 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 23:15:00,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1627 transitions. [2019-10-02 23:15:00,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-02 23:15:00,888 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:15:00,888 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:15:00,888 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:15:00,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:15:00,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1613948095, now seen corresponding path program 1 times [2019-10-02 23:15:00,889 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:15:00,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:15:00,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:15:00,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:15:00,896 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:15:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:15:01,069 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-02 23:15:01,070 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:15:01,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 23:15:01,070 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:15:01,071 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 23:15:01,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 23:15:01,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-02 23:15:01,072 INFO L87 Difference]: Start difference. First operand 1187 states and 1627 transitions. Second operand 4 states. [2019-10-02 23:15:02,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:15:02,597 INFO L93 Difference]: Finished difference Result 1208 states and 1646 transitions. [2019-10-02 23:15:02,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 23:15:02,598 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2019-10-02 23:15:02,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:15:02,606 INFO L225 Difference]: With dead ends: 1208 [2019-10-02 23:15:02,606 INFO L226 Difference]: Without dead ends: 1208 [2019-10-02 23:15:02,607 INFO L640 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 [2019-10-02 23:15:02,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2019-10-02 23:15:02,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1208. [2019-10-02 23:15:02,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2019-10-02 23:15:02,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1646 transitions. [2019-10-02 23:15:02,657 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1646 transitions. Word has length 134 [2019-10-02 23:15:02,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:15:02,658 INFO L475 AbstractCegarLoop]: Abstraction has 1208 states and 1646 transitions. [2019-10-02 23:15:02,658 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 23:15:02,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1646 transitions. [2019-10-02 23:15:02,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-02 23:15:02,668 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:15:02,668 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:15:02,668 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:15:02,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:15:02,669 INFO L82 PathProgramCache]: Analyzing trace with hash -2028554236, now seen corresponding path program 1 times [2019-10-02 23:15:02,669 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:15:02,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:15:02,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:15:02,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:15:02,677 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:15:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:15:02,807 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-02 23:15:02,807 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:15:02,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:15:02,807 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:15:02,808 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:15:02,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:15:02,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:15:02,808 INFO L87 Difference]: Start difference. First operand 1208 states and 1646 transitions. Second operand 3 states. [2019-10-02 23:15:02,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:15:02,851 INFO L93 Difference]: Finished difference Result 1209 states and 1644 transitions. [2019-10-02 23:15:02,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:15:02,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2019-10-02 23:15:02,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:15:02,859 INFO L225 Difference]: With dead ends: 1209 [2019-10-02 23:15:02,859 INFO L226 Difference]: Without dead ends: 1209 [2019-10-02 23:15:02,860 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:15:02,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2019-10-02 23:15:02,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1208. [2019-10-02 23:15:02,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2019-10-02 23:15:02,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1643 transitions. [2019-10-02 23:15:02,896 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1643 transitions. Word has length 136 [2019-10-02 23:15:02,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:15:02,897 INFO L475 AbstractCegarLoop]: Abstraction has 1208 states and 1643 transitions. [2019-10-02 23:15:02,897 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:15:02,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1643 transitions. [2019-10-02 23:15:02,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-02 23:15:02,902 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:15:02,903 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:15:02,903 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:15:02,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:15:02,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1618378941, now seen corresponding path program 1 times [2019-10-02 23:15:02,903 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:15:02,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:15:02,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:15:02,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:15:02,910 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:15:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:15:03,088 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-02 23:15:03,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:15:03,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 23:15:03,089 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:15:03,090 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 23:15:03,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 23:15:03,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:15:03,091 INFO L87 Difference]: Start difference. First operand 1208 states and 1643 transitions. Second operand 7 states. [2019-10-02 23:15:03,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:15:03,196 INFO L93 Difference]: Finished difference Result 1219 states and 1654 transitions. [2019-10-02 23:15:03,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 23:15:03,196 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 139 [2019-10-02 23:15:03,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:15:03,207 INFO L225 Difference]: With dead ends: 1219 [2019-10-02 23:15:03,207 INFO L226 Difference]: Without dead ends: 1219 [2019-10-02 23:15:03,208 INFO L640 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 [2019-10-02 23:15:03,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2019-10-02 23:15:03,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1208. [2019-10-02 23:15:03,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2019-10-02 23:15:03,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1643 transitions. [2019-10-02 23:15:03,256 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1643 transitions. Word has length 139 [2019-10-02 23:15:03,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:15:03,256 INFO L475 AbstractCegarLoop]: Abstraction has 1208 states and 1643 transitions. [2019-10-02 23:15:03,257 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 23:15:03,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1643 transitions. [2019-10-02 23:15:03,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-10-02 23:15:03,265 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:15:03,266 INFO L411 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] [2019-10-02 23:15:03,266 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:15:03,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:15:03,266 INFO L82 PathProgramCache]: Analyzing trace with hash -408956715, now seen corresponding path program 1 times [2019-10-02 23:15:03,266 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:15:03,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:15:03,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:15:03,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:15:03,276 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:15:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:15:03,549 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-02 23:15:03,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:15:03,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-02 23:15:03,549 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:15:03,550 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-02 23:15:03,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-02 23:15:03,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2019-10-02 23:15:03,551 INFO L87 Difference]: Start difference. First operand 1208 states and 1643 transitions. Second operand 13 states. [2019-10-02 23:15:03,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:15:03,760 INFO L93 Difference]: Finished difference Result 1225 states and 1662 transitions. [2019-10-02 23:15:03,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-02 23:15:03,760 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 190 [2019-10-02 23:15:03,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:15:03,768 INFO L225 Difference]: With dead ends: 1225 [2019-10-02 23:15:03,768 INFO L226 Difference]: Without dead ends: 1225 [2019-10-02 23:15:03,769 INFO L640 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 [2019-10-02 23:15:03,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2019-10-02 23:15:03,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1210. [2019-10-02 23:15:03,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1210 states. [2019-10-02 23:15:03,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 1646 transitions. [2019-10-02 23:15:03,822 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 1646 transitions. Word has length 190 [2019-10-02 23:15:03,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:15:03,825 INFO L475 AbstractCegarLoop]: Abstraction has 1210 states and 1646 transitions. [2019-10-02 23:15:03,825 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-02 23:15:03,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1646 transitions. [2019-10-02 23:15:03,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-10-02 23:15:03,835 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:15:03,835 INFO L411 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] [2019-10-02 23:15:03,836 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:15:03,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:15:03,836 INFO L82 PathProgramCache]: Analyzing trace with hash 527928820, now seen corresponding path program 1 times [2019-10-02 23:15:03,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:15:03,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:15:03,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:15:03,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:15:03,844 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:15:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:15:04,011 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-10-02 23:15:04,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:15:04,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:15:04,012 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:15:04,013 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:15:04,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:15:04,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:15:04,014 INFO L87 Difference]: Start difference. First operand 1210 states and 1646 transitions. Second operand 3 states. [2019-10-02 23:15:04,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:15:04,044 INFO L93 Difference]: Finished difference Result 1211 states and 1644 transitions. [2019-10-02 23:15:04,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:15:04,044 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2019-10-02 23:15:04,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:15:04,054 INFO L225 Difference]: With dead ends: 1211 [2019-10-02 23:15:04,054 INFO L226 Difference]: Without dead ends: 1211 [2019-10-02 23:15:04,055 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:15:04,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2019-10-02 23:15:04,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1210. [2019-10-02 23:15:04,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1210 states. [2019-10-02 23:15:04,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 1643 transitions. [2019-10-02 23:15:04,097 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 1643 transitions. Word has length 240 [2019-10-02 23:15:04,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:15:04,098 INFO L475 AbstractCegarLoop]: Abstraction has 1210 states and 1643 transitions. [2019-10-02 23:15:04,098 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:15:04,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1643 transitions. [2019-10-02 23:15:04,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-10-02 23:15:04,106 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:15:04,107 INFO L411 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] [2019-10-02 23:15:04,108 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:15:04,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:15:04,109 INFO L82 PathProgramCache]: Analyzing trace with hash 672551449, now seen corresponding path program 1 times [2019-10-02 23:15:04,109 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:15:04,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:15:04,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:15:04,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:15:04,118 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:15:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:15:04,369 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-10-02 23:15:04,369 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:15:04,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:15:04,370 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:15:04,370 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:15:04,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:15:04,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:15:04,371 INFO L87 Difference]: Start difference. First operand 1210 states and 1643 transitions. Second operand 3 states. [2019-10-02 23:15:04,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:15:04,408 INFO L93 Difference]: Finished difference Result 1211 states and 1641 transitions. [2019-10-02 23:15:04,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:15:04,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2019-10-02 23:15:04,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:15:04,419 INFO L225 Difference]: With dead ends: 1211 [2019-10-02 23:15:04,420 INFO L226 Difference]: Without dead ends: 1211 [2019-10-02 23:15:04,421 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:15:04,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2019-10-02 23:15:04,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1210. [2019-10-02 23:15:04,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1210 states. [2019-10-02 23:15:04,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 1640 transitions. [2019-10-02 23:15:04,462 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 1640 transitions. Word has length 243 [2019-10-02 23:15:04,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:15:04,463 INFO L475 AbstractCegarLoop]: Abstraction has 1210 states and 1640 transitions. [2019-10-02 23:15:04,463 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:15:04,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1640 transitions. [2019-10-02 23:15:04,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-10-02 23:15:04,475 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:15:04,476 INFO L411 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] [2019-10-02 23:15:04,476 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:15:04,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:15:04,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1780374236, now seen corresponding path program 1 times [2019-10-02 23:15:04,477 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:15:04,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:15:04,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:15:04,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:15:04,487 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:15:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:15:04,687 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-10-02 23:15:04,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:15:04,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:15:04,688 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:15:04,689 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:15:04,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:15:04,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:15:04,690 INFO L87 Difference]: Start difference. First operand 1210 states and 1640 transitions. Second operand 3 states. [2019-10-02 23:15:04,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:15:04,721 INFO L93 Difference]: Finished difference Result 1211 states and 1638 transitions. [2019-10-02 23:15:04,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:15:04,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2019-10-02 23:15:04,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:15:04,730 INFO L225 Difference]: With dead ends: 1211 [2019-10-02 23:15:04,730 INFO L226 Difference]: Without dead ends: 1211 [2019-10-02 23:15:04,731 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:15:04,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2019-10-02 23:15:04,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1210. [2019-10-02 23:15:04,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1210 states. [2019-10-02 23:15:04,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 1637 transitions. [2019-10-02 23:15:04,769 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 1637 transitions. Word has length 246 [2019-10-02 23:15:04,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:15:04,771 INFO L475 AbstractCegarLoop]: Abstraction has 1210 states and 1637 transitions. [2019-10-02 23:15:04,771 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:15:04,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1637 transitions. [2019-10-02 23:15:04,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-10-02 23:15:04,778 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:15:04,778 INFO L411 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] [2019-10-02 23:15:04,778 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:15:04,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:15:04,779 INFO L82 PathProgramCache]: Analyzing trace with hash -2095787327, now seen corresponding path program 1 times [2019-10-02 23:15:04,779 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:15:04,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:15:04,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:15:04,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:15:04,787 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:15:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:15:04,944 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-10-02 23:15:04,945 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:15:04,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:15:04,945 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:15:04,947 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:15:04,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:15:04,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:15:04,948 INFO L87 Difference]: Start difference. First operand 1210 states and 1637 transitions. Second operand 3 states. [2019-10-02 23:15:04,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:15:04,974 INFO L93 Difference]: Finished difference Result 1211 states and 1635 transitions. [2019-10-02 23:15:04,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:15:04,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 249 [2019-10-02 23:15:04,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:15:04,982 INFO L225 Difference]: With dead ends: 1211 [2019-10-02 23:15:04,982 INFO L226 Difference]: Without dead ends: 1211 [2019-10-02 23:15:04,983 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:15:04,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2019-10-02 23:15:05,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1210. [2019-10-02 23:15:05,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1210 states. [2019-10-02 23:15:05,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 1634 transitions. [2019-10-02 23:15:05,014 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 1634 transitions. Word has length 249 [2019-10-02 23:15:05,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:15:05,015 INFO L475 AbstractCegarLoop]: Abstraction has 1210 states and 1634 transitions. [2019-10-02 23:15:05,015 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:15:05,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1634 transitions. [2019-10-02 23:15:05,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-10-02 23:15:05,023 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:15:05,023 INFO L411 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] [2019-10-02 23:15:05,024 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:15:05,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:15:05,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1545039676, now seen corresponding path program 1 times [2019-10-02 23:15:05,024 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:15:05,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:15:05,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:15:05,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:15:05,031 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:15:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:15:05,352 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-02 23:15:05,353 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:15:05,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-02 23:15:05,353 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:15:05,354 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-02 23:15:05,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-02 23:15:05,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2019-10-02 23:15:05,355 INFO L87 Difference]: Start difference. First operand 1210 states and 1634 transitions. Second operand 13 states. [2019-10-02 23:15:05,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:15:05,631 INFO L93 Difference]: Finished difference Result 1222 states and 1647 transitions. [2019-10-02 23:15:05,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-02 23:15:05,632 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 252 [2019-10-02 23:15:05,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:15:05,633 INFO L225 Difference]: With dead ends: 1222 [2019-10-02 23:15:05,634 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 23:15:05,634 INFO L640 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 [2019-10-02 23:15:05,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 23:15:05,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 23:15:05,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 23:15:05,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 23:15:05,635 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 252 [2019-10-02 23:15:05,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:15:05,636 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 23:15:05,636 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-02 23:15:05,636 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 23:15:05,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 23:15:05,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 11:15:05 BoogieIcfgContainer [2019-10-02 23:15:05,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 23:15:05,647 INFO L168 Benchmark]: Toolchain (without parser) took 19242.85 ms. Allocated memory was 131.6 MB in the beginning and 578.8 MB in the end (delta: 447.2 MB). Free memory was 76.0 MB in the beginning and 51.8 MB in the end (delta: 24.2 MB). Peak memory consumption was 471.4 MB. Max. memory is 7.1 GB. [2019-10-02 23:15:05,648 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-02 23:15:05,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2475.27 ms. Allocated memory was 131.6 MB in the beginning and 272.1 MB in the end (delta: 140.5 MB). Free memory was 75.6 MB in the beginning and 203.5 MB in the end (delta: -127.9 MB). Peak memory consumption was 109.9 MB. Max. memory is 7.1 GB. [2019-10-02 23:15:05,650 INFO L168 Benchmark]: Boogie Preprocessor took 294.35 ms. Allocated memory is still 272.1 MB. Free memory was 203.5 MB in the beginning and 186.6 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-10-02 23:15:05,651 INFO L168 Benchmark]: RCFGBuilder took 4087.19 ms. Allocated memory was 272.1 MB in the beginning and 385.4 MB in the end (delta: 113.2 MB). Free memory was 186.6 MB in the beginning and 225.5 MB in the end (delta: -38.9 MB). Peak memory consumption was 136.6 MB. Max. memory is 7.1 GB. [2019-10-02 23:15:05,652 INFO L168 Benchmark]: TraceAbstraction took 12379.81 ms. Allocated memory was 385.4 MB in the beginning and 578.8 MB in the end (delta: 193.5 MB). Free memory was 221.2 MB in the beginning and 51.8 MB in the end (delta: 169.3 MB). Peak memory consumption was 362.8 MB. Max. memory is 7.1 GB. [2019-10-02 23:15:05,656 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2475.27 ms. Allocated memory was 131.6 MB in the beginning and 272.1 MB in the end (delta: 140.5 MB). Free memory was 75.6 MB in the beginning and 203.5 MB in the end (delta: -127.9 MB). Peak memory consumption was 109.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 294.35 ms. Allocated memory is still 272.1 MB. Free memory was 203.5 MB in the beginning and 186.6 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4087.19 ms. Allocated memory was 272.1 MB in the beginning and 385.4 MB in the end (delta: 113.2 MB). Free memory was 186.6 MB in the beginning and 225.5 MB in the end (delta: -38.9 MB). Peak memory consumption was 136.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12379.81 ms. Allocated memory was 385.4 MB in the beginning and 578.8 MB in the end (delta: 193.5 MB). Free memory was 221.2 MB in the beginning and 51.8 MB in the end (delta: 169.3 MB). Peak memory consumption was 362.8 MB. 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, 12.3s OverallTime, 14 OverallIterations, 6 TraceHistogramMax, 8.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 22322 SDtfs, 3953 SDslu, 84548 SDs, 0 SdLazy, 2906 SolverSat, 1174 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.6s 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, 1.9s 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...