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-validator-v0.8/linux-stable-47dffc7-1-144_2a-drivers--net--usb--cdc-phonet.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 11:34:50,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 11:34:50,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 11:34:50,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 11:34:50,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 11:34:50,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 11:34:50,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 11:34:50,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 11:34:50,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 11:34:50,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 11:34:50,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 11:34:50,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 11:34:50,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 11:34:50,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 11:34:50,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 11:34:50,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 11:34:50,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 11:34:50,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 11:34:50,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 11:34:50,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 11:34:50,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 11:34:50,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 11:34:50,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 11:34:50,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 11:34:50,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 11:34:50,147 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 11:34:50,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 11:34:50,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 11:34:50,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 11:34:50,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 11:34:50,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 11:34:50,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 11:34:50,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 11:34:50,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 11:34:50,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 11:34:50,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 11:34:50,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 11:34:50,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 11:34:50,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 11:34:50,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 11:34:50,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 11:34:50,157 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 11:34:50,173 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 11:34:50,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 11:34:50,173 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 11:34:50,174 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 11:34:50,174 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 11:34:50,175 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 11:34:50,175 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 11:34:50,175 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 11:34:50,175 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 11:34:50,176 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 11:34:50,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 11:34:50,177 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 11:34:50,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 11:34:50,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 11:34:50,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 11:34:50,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 11:34:50,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 11:34:50,178 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 11:34:50,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 11:34:50,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 11:34:50,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 11:34:50,179 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 11:34:50,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 11:34:50,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 11:34:50,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 11:34:50,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 11:34:50,180 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 11:34:50,180 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 11:34:50,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 11:34:50,180 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 11:34:50,209 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 11:34:50,228 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 11:34:50,234 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 11:34:50,235 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 11:34:50,236 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 11:34:50,237 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-47dffc7-1-144_2a-drivers--net--usb--cdc-phonet.ko-entry_point_ldv-val-v0.8.cil.out.i [2019-09-10 11:34:50,319 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc4beb18a/46725c606ab743baa346e74d6aea84bd/FLAG1f15b9874 [2019-09-10 11:34:51,192 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 11:34:51,193 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-47dffc7-1-144_2a-drivers--net--usb--cdc-phonet.ko-entry_point_ldv-val-v0.8.cil.out.i [2019-09-10 11:34:51,242 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc4beb18a/46725c606ab743baa346e74d6aea84bd/FLAG1f15b9874 [2019-09-10 11:34:51,662 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc4beb18a/46725c606ab743baa346e74d6aea84bd [2019-09-10 11:34:51,673 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 11:34:51,674 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 11:34:51,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 11:34:51,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 11:34:51,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 11:34:51,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:34:51" (1/1) ... [2019-09-10 11:34:51,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@393aefa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:51, skipping insertion in model container [2019-09-10 11:34:51,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:34:51" (1/1) ... [2019-09-10 11:34:51,692 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 11:34:51,823 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 11:34:53,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 11:34:53,609 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 11:34:54,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 11:34:54,238 INFO L192 MainTranslator]: Completed translation [2019-09-10 11:34:54,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:54 WrapperNode [2019-09-10 11:34:54,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 11:34:54,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 11:34:54,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 11:34:54,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 11:34:54,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:54" (1/1) ... [2019-09-10 11:34:54,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:54" (1/1) ... [2019-09-10 11:34:54,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:54" (1/1) ... [2019-09-10 11:34:54,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:54" (1/1) ... [2019-09-10 11:34:54,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:54" (1/1) ... [2019-09-10 11:34:54,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:54" (1/1) ... [2019-09-10 11:34:54,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:54" (1/1) ... [2019-09-10 11:34:54,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 11:34:54,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 11:34:54,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 11:34:54,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 11:34:54,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 11:34:54,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 11:34:54,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 11:34:54,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 11:34:54,684 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-10 11:34:54,684 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-10 11:34:54,684 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-10 11:34:54,685 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-10 11:34:54,685 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-10 11:34:54,685 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-10 11:34:54,685 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-10 11:34:54,686 INFO L138 BoogieDeclarations]: Found implementation of procedure numa_node_id [2019-09-10 11:34:54,686 INFO L138 BoogieDeclarations]: Found implementation of procedure gfp_zonelist [2019-09-10 11:34:54,686 INFO L138 BoogieDeclarations]: Found implementation of procedure node_zonelist [2019-09-10 11:34:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_pages [2019-09-10 11:34:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_node [2019-09-10 11:34:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-10 11:34:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 11:34:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 11:34:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-10 11:34:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-10 11:34:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 11:34:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 11:34:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 11:34:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 11:34:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 11:34:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-09-10 11:34:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-09-10 11:34:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_pull [2019-09-10 11:34:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2019-09-10 11:34:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-09-10 11:34:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_alloc_pages [2019-09-10 11:34:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_alloc_page [2019-09-10 11:34:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-09-10 11:34:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-10 11:34:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-09-10 11:34:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-09-10 11:34:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-09-10 11:34:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-09-10 11:34:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-09-10 11:34:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_xmit [2019-09-10 11:34:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_complete [2019-09-10 11:34:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_submit [2019-09-10 11:34:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_complete [2019-09-10 11:34:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_open [2019-09-10 11:34:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_close [2019-09-10 11:34:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_ioctl [2019-09-10 11:34:54,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_set_mtu [2019-09-10 11:34:54,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_setup [2019-09-10 11:34:54,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_probe [2019-09-10 11:34:54,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_disconnect [2019-09-10 11:34:54,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_driver_init [2019-09-10 11:34:54,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usbpn_driver_exit [2019-09-10 11:34:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-09-10 11:34:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2019-09-10 11:34:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 11:34:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-10 11:34:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_2 [2019-09-10 11:34:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_3 [2019-09-10 11:34:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_4 [2019-09-10 11:34:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_5 [2019-09-10 11:34:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_6 [2019-09-10 11:34:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_8 [2019-09-10 11:34:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_9 [2019-09-10 11:34:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_10 [2019-09-10 11:34:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_11 [2019-09-10 11:34:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_12 [2019-09-10 11:34:54,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_14 [2019-09-10 11:34:54,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_15 [2019-09-10 11:34:54,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_16 [2019-09-10 11:34:54,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_17 [2019-09-10 11:34:54,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_18 [2019-09-10 11:34:54,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 11:34:54,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-09-10 11:34:54,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-09-10 11:34:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-09-10 11:34:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-09-10 11:34:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-09-10 11:34:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-09-10 11:34:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-09-10 11:34:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-09-10 11:34:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-09-10 11:34:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-09-10 11:34:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-09-10 11:34:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-09-10 11:34:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-09-10 11:34:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-09-10 11:34:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-09-10 11:34:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 11:34:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_pages_nodemask [2019-09-10 11:34:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-09-10 11:34:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-09-10 11:34:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-09-10 11:34:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-09-10 11:34:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-10 11:34:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-10 11:34:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-10 11:34:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-10 11:34:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-10 11:34:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-09-10 11:34:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-09-10 11:34:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-09-10 11:34:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-09-10 11:34:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 11:34:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2019-09-10 11:34:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2019-09-10 11:34:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-09-10 11:34:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-09-10 11:34:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 11:34:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2019-09-10 11:34:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-09-10 11:34:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2019-09-10 11:34:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-10 11:34:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-09-10 11:34:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-10 11:34:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_claim_interface [2019-09-10 11:34:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2019-09-10 11:34:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2019-09-10 11:34:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-10 11:34:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-10 11:34:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-09-10 11:34:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-10 11:34:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 11:34:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 11:34:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 11:34:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 11:34:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 11:34:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 11:34:54,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 11:34:54,715 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-10 11:34:54,715 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-10 11:34:54,715 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-10 11:34:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 11:34:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-09-10 11:34:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-10 11:34:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-09-10 11:34:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-10 11:34:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 11:34:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 11:34:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-10 11:34:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-10 11:34:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-10 11:34:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-10 11:34:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-10 11:34:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-10 11:34:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-10 11:34:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-10 11:34:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-10 11:34:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2019-09-10 11:34:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure numa_node_id [2019-09-10 11:34:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure gfp_zonelist [2019-09-10 11:34:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure node_zonelist [2019-09-10 11:34:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 11:34:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_pages_nodemask [2019-09-10 11:34:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_pages [2019-09-10 11:34:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_node [2019-09-10 11:34:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_15 [2019-09-10 11:34:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_11 [2019-09-10 11:34:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-10 11:34:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_claim_interface [2019-09-10 11:34:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2019-09-10 11:34:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2019-09-10 11:34:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-10 11:34:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_17 [2019-09-10 11:34:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-10 11:34:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_18 [2019-09-10 11:34:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_3 [2019-09-10 11:34:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_2 [2019-09-10 11:34:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_9 [2019-09-10 11:34:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_5 [2019-09-10 11:34:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_6 [2019-09-10 11:34:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_10 [2019-09-10 11:34:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_4 [2019-09-10 11:34:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_8 [2019-09-10 11:34:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-10 11:34:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-09-10 11:34:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-10 11:34:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 11:34:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-09-10 11:34:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-09-10 11:34:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-09-10 11:34:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-09-10 11:34:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-09-10 11:34:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-09-10 11:34:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-09-10 11:34:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 11:34:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 11:34:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 11:34:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 11:34:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 11:34:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 11:34:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 11:34:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 11:34:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 11:34:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 11:34:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-10 11:34:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-10 11:34:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 11:34:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 11:34:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 11:34:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 11:34:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 11:34:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-09-10 11:34:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2019-09-10 11:34:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2019-09-10 11:34:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-09-10 11:34:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-09-10 11:34:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-09-10 11:34:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2019-09-10 11:34:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-10 11:34:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_pull [2019-09-10 11:34:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 11:34:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 11:34:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2019-09-10 11:34:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-09-10 11:34:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-09-10 11:34:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_alloc_pages [2019-09-10 11:34:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_alloc_page [2019-09-10 11:34:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-09-10 11:34:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-10 11:34:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-09-10 11:34:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_14 [2019-09-10 11:34:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-09-10 11:34:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-09-10 11:34:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-09-10 11:34:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-09-10 11:34:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-09-10 11:34:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-09-10 11:34:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 11:34:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-09-10 11:34:54,746 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-09-10 11:34:54,746 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-09-10 11:34:54,746 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-09-10 11:34:54,746 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-09-10 11:34:54,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_12 [2019-09-10 11:34:54,746 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-09-10 11:34:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_16 [2019-09-10 11:34:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure tx_complete [2019-09-10 11:34:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure rx_complete [2019-09-10 11:34:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_xmit [2019-09-10 11:34:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 11:34:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure rx_submit [2019-09-10 11:34:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 11:34:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_close [2019-09-10 11:34:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_open [2019-09-10 11:34:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_ioctl [2019-09-10 11:34:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_set_mtu [2019-09-10 11:34:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_setup [2019-09-10 11:34:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_probe [2019-09-10 11:34:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_disconnect [2019-09-10 11:34:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_driver_init [2019-09-10 11:34:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure usbpn_driver_exit [2019-09-10 11:34:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2019-09-10 11:34:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2019-09-10 11:34:54,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 11:34:54,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 11:34:54,750 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 11:34:54,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 11:34:54,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-09-10 11:34:54,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-09-10 11:34:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 11:34:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-09-10 11:34:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-09-10 11:34:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-09-10 11:34:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-09-10 11:34:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-09-10 11:34:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-09-10 11:34:54,757 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 11:34:54,758 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 11:34:54,758 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 11:34:54,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 11:34:54,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 11:34:54,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 11:34:54,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 11:34:54,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 11:34:54,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 11:34:54,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 11:34:54,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 11:34:56,068 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 11:34:57,783 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 11:34:57,783 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 11:34:57,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:34:57 BoogieIcfgContainer [2019-09-10 11:34:57,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 11:34:57,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 11:34:57,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 11:34:57,792 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 11:34:57,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 11:34:51" (1/3) ... [2019-09-10 11:34:57,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7286ba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:34:57, skipping insertion in model container [2019-09-10 11:34:57,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:54" (2/3) ... [2019-09-10 11:34:57,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7286ba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:34:57, skipping insertion in model container [2019-09-10 11:34:57,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:34:57" (3/3) ... [2019-09-10 11:34:57,796 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-47dffc7-1-144_2a-drivers--net--usb--cdc-phonet.ko-entry_point_ldv-val-v0.8.cil.out.i [2019-09-10 11:34:57,807 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 11:34:57,823 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 11:34:57,842 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 11:34:57,872 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 11:34:57,872 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 11:34:57,872 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 11:34:57,873 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 11:34:57,873 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 11:34:57,873 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 11:34:57,873 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 11:34:57,873 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 11:34:57,910 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states. [2019-09-10 11:34:57,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-09-10 11:34:57,929 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:34:57,930 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-10 11:34:57,933 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:34:57,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:34:57,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1222716300, now seen corresponding path program 1 times [2019-09-10 11:34:57,942 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:34:58,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:34:58,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:34:58,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:34:58,018 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:34:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:34:58,604 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-09-10 11:34:58,606 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:34:58,606 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:34:58,607 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:34:58,616 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:34:58,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:34:58,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:34:58,636 INFO L87 Difference]: Start difference. First operand 868 states. Second operand 3 states. [2019-09-10 11:34:58,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:34:58,926 INFO L93 Difference]: Finished difference Result 1592 states and 2005 transitions. [2019-09-10 11:34:58,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:34:58,928 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2019-09-10 11:34:58,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:34:58,970 INFO L225 Difference]: With dead ends: 1592 [2019-09-10 11:34:58,971 INFO L226 Difference]: Without dead ends: 1569 [2019-09-10 11:34:58,973 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:34:58,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1569 states. [2019-09-10 11:34:59,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1569 to 1569. [2019-09-10 11:34:59,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1569 states. [2019-09-10 11:34:59,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 1569 states and 1968 transitions. [2019-09-10 11:34:59,167 INFO L78 Accepts]: Start accepts. Automaton has 1569 states and 1968 transitions. Word has length 87 [2019-09-10 11:34:59,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:34:59,170 INFO L475 AbstractCegarLoop]: Abstraction has 1569 states and 1968 transitions. [2019-09-10 11:34:59,170 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:34:59,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 1968 transitions. [2019-09-10 11:34:59,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-09-10 11:34:59,190 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:34:59,191 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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] [2019-09-10 11:34:59,192 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:34:59,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:34:59,192 INFO L82 PathProgramCache]: Analyzing trace with hash 5779866, now seen corresponding path program 1 times [2019-09-10 11:34:59,192 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:34:59,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:34:59,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:34:59,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:34:59,205 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:34:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:34:59,576 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-09-10 11:34:59,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:34:59,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:34:59,577 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:34:59,579 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:34:59,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:34:59,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:34:59,580 INFO L87 Difference]: Start difference. First operand 1569 states and 1968 transitions. Second operand 3 states. [2019-09-10 11:34:59,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:34:59,707 INFO L93 Difference]: Finished difference Result 1582 states and 1983 transitions. [2019-09-10 11:34:59,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:34:59,709 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2019-09-10 11:34:59,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:34:59,733 INFO L225 Difference]: With dead ends: 1582 [2019-09-10 11:34:59,733 INFO L226 Difference]: Without dead ends: 1582 [2019-09-10 11:34:59,734 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:34:59,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2019-09-10 11:34:59,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1569. [2019-09-10 11:34:59,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1569 states. [2019-09-10 11:34:59,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 1569 states and 1967 transitions. [2019-09-10 11:34:59,829 INFO L78 Accepts]: Start accepts. Automaton has 1569 states and 1967 transitions. Word has length 108 [2019-09-10 11:34:59,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:34:59,831 INFO L475 AbstractCegarLoop]: Abstraction has 1569 states and 1967 transitions. [2019-09-10 11:34:59,831 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:34:59,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 1967 transitions. [2019-09-10 11:34:59,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-09-10 11:34:59,835 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:34:59,835 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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] [2019-09-10 11:34:59,835 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:34:59,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:34:59,836 INFO L82 PathProgramCache]: Analyzing trace with hash 63038168, now seen corresponding path program 1 times [2019-09-10 11:34:59,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:34:59,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:34:59,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:34:59,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:34:59,841 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:34:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:35:00,146 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-09-10 11:35:00,146 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:35:00,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:35:00,147 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:35:00,149 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:35:00,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:35:00,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:35:00,150 INFO L87 Difference]: Start difference. First operand 1569 states and 1967 transitions. Second operand 3 states. [2019-09-10 11:35:00,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:35:00,276 INFO L93 Difference]: Finished difference Result 3109 states and 3951 transitions. [2019-09-10 11:35:00,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:35:00,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2019-09-10 11:35:00,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:35:00,301 INFO L225 Difference]: With dead ends: 3109 [2019-09-10 11:35:00,302 INFO L226 Difference]: Without dead ends: 3109 [2019-09-10 11:35:00,302 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:35:00,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3109 states. [2019-09-10 11:35:00,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3109 to 3099. [2019-09-10 11:35:00,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3099 states. [2019-09-10 11:35:00,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 3099 states and 3939 transitions. [2019-09-10 11:35:00,425 INFO L78 Accepts]: Start accepts. Automaton has 3099 states and 3939 transitions. Word has length 108 [2019-09-10 11:35:00,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:35:00,428 INFO L475 AbstractCegarLoop]: Abstraction has 3099 states and 3939 transitions. [2019-09-10 11:35:00,428 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:35:00,428 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 3939 transitions. [2019-09-10 11:35:00,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-09-10 11:35:00,432 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:35:00,432 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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] [2019-09-10 11:35:00,432 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:35:00,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:35:00,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1953832680, now seen corresponding path program 1 times [2019-09-10 11:35:00,433 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:35:00,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:35:00,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:35:00,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:35:00,444 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:35:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:35:00,753 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-09-10 11:35:00,753 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:35:00,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:35:00,754 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:35:00,754 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:35:00,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:35:00,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:35:00,755 INFO L87 Difference]: Start difference. First operand 3099 states and 3939 transitions. Second operand 3 states. [2019-09-10 11:35:00,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:35:00,797 INFO L93 Difference]: Finished difference Result 3098 states and 3937 transitions. [2019-09-10 11:35:00,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:35:00,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2019-09-10 11:35:00,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:35:00,816 INFO L225 Difference]: With dead ends: 3098 [2019-09-10 11:35:00,817 INFO L226 Difference]: Without dead ends: 3098 [2019-09-10 11:35:00,817 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:35:00,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3098 states. [2019-09-10 11:35:00,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3098 to 3098. [2019-09-10 11:35:00,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3098 states. [2019-09-10 11:35:00,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3098 states to 3098 states and 3937 transitions. [2019-09-10 11:35:00,922 INFO L78 Accepts]: Start accepts. Automaton has 3098 states and 3937 transitions. Word has length 109 [2019-09-10 11:35:00,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:35:00,922 INFO L475 AbstractCegarLoop]: Abstraction has 3098 states and 3937 transitions. [2019-09-10 11:35:00,923 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:35:00,923 INFO L276 IsEmpty]: Start isEmpty. Operand 3098 states and 3937 transitions. [2019-09-10 11:35:01,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-09-10 11:35:01,005 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:35:01,005 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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] [2019-09-10 11:35:01,006 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:35:01,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:35:01,007 INFO L82 PathProgramCache]: Analyzing trace with hash 438925275, now seen corresponding path program 1 times [2019-09-10 11:35:01,008 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:35:01,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:35:01,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:35:01,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:35:01,012 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:35:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:35:01,192 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-09-10 11:35:01,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:35:01,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:35:01,193 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:35:01,195 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:35:01,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:35:01,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:35:01,199 INFO L87 Difference]: Start difference. First operand 3098 states and 3937 transitions. Second operand 3 states. [2019-09-10 11:35:01,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:35:01,248 INFO L93 Difference]: Finished difference Result 3097 states and 3935 transitions. [2019-09-10 11:35:01,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:35:01,249 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2019-09-10 11:35:01,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:35:01,270 INFO L225 Difference]: With dead ends: 3097 [2019-09-10 11:35:01,270 INFO L226 Difference]: Without dead ends: 3097 [2019-09-10 11:35:01,271 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:35:01,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3097 states. [2019-09-10 11:35:01,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3097 to 3097. [2019-09-10 11:35:01,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3097 states. [2019-09-10 11:35:01,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3097 states to 3097 states and 3935 transitions. [2019-09-10 11:35:01,385 INFO L78 Accepts]: Start accepts. Automaton has 3097 states and 3935 transitions. Word has length 110 [2019-09-10 11:35:01,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:35:01,387 INFO L475 AbstractCegarLoop]: Abstraction has 3097 states and 3935 transitions. [2019-09-10 11:35:01,387 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:35:01,387 INFO L276 IsEmpty]: Start isEmpty. Operand 3097 states and 3935 transitions. [2019-09-10 11:35:01,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-09-10 11:35:01,391 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:35:01,392 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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] [2019-09-10 11:35:01,392 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:35:01,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:35:01,392 INFO L82 PathProgramCache]: Analyzing trace with hash 721440843, now seen corresponding path program 1 times [2019-09-10 11:35:01,392 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:35:01,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:35:01,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:35:01,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:35:01,402 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:35:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:35:01,574 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-09-10 11:35:01,574 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:35:01,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:35:01,575 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:35:01,575 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:35:01,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:35:01,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:35:01,576 INFO L87 Difference]: Start difference. First operand 3097 states and 3935 transitions. Second operand 3 states. [2019-09-10 11:35:01,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:35:01,611 INFO L93 Difference]: Finished difference Result 3096 states and 3933 transitions. [2019-09-10 11:35:01,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:35:01,612 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2019-09-10 11:35:01,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:35:01,632 INFO L225 Difference]: With dead ends: 3096 [2019-09-10 11:35:01,632 INFO L226 Difference]: Without dead ends: 3096 [2019-09-10 11:35:01,633 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:35:01,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3096 states. [2019-09-10 11:35:01,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3096 to 3096. [2019-09-10 11:35:01,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3096 states. [2019-09-10 11:35:01,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3096 states to 3096 states and 3933 transitions. [2019-09-10 11:35:01,737 INFO L78 Accepts]: Start accepts. Automaton has 3096 states and 3933 transitions. Word has length 111 [2019-09-10 11:35:01,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:35:01,737 INFO L475 AbstractCegarLoop]: Abstraction has 3096 states and 3933 transitions. [2019-09-10 11:35:01,737 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:35:01,738 INFO L276 IsEmpty]: Start isEmpty. Operand 3096 states and 3933 transitions. [2019-09-10 11:35:01,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-09-10 11:35:01,742 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:35:01,742 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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] [2019-09-10 11:35:01,743 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:35:01,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:35:01,743 INFO L82 PathProgramCache]: Analyzing trace with hash 889493726, now seen corresponding path program 1 times [2019-09-10 11:35:01,743 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:35:01,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:35:01,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:35:01,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:35:01,750 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:35:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:35:01,922 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-09-10 11:35:01,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:35:01,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:35:01,923 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:35:01,923 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:35:01,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:35:01,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:35:01,925 INFO L87 Difference]: Start difference. First operand 3096 states and 3933 transitions. Second operand 3 states. [2019-09-10 11:35:01,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:35:01,956 INFO L93 Difference]: Finished difference Result 3095 states and 3931 transitions. [2019-09-10 11:35:01,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:35:01,956 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2019-09-10 11:35:01,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:35:01,977 INFO L225 Difference]: With dead ends: 3095 [2019-09-10 11:35:01,977 INFO L226 Difference]: Without dead ends: 3076 [2019-09-10 11:35:01,978 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:35:01,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3076 states. [2019-09-10 11:35:02,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3076 to 3076. [2019-09-10 11:35:02,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3076 states. [2019-09-10 11:35:02,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 3076 states and 3910 transitions. [2019-09-10 11:35:02,074 INFO L78 Accepts]: Start accepts. Automaton has 3076 states and 3910 transitions. Word has length 112 [2019-09-10 11:35:02,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:35:02,074 INFO L475 AbstractCegarLoop]: Abstraction has 3076 states and 3910 transitions. [2019-09-10 11:35:02,075 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:35:02,075 INFO L276 IsEmpty]: Start isEmpty. Operand 3076 states and 3910 transitions. [2019-09-10 11:35:02,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-09-10 11:35:02,082 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:35:02,083 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:35:02,084 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:35:02,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:35:02,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1289395153, now seen corresponding path program 1 times [2019-09-10 11:35:02,084 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:35:02,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:35:02,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:35:02,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:35:02,088 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:35:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:35:02,324 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-09-10 11:35:02,324 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:35:02,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:35:02,325 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:35:02,326 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:35:02,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:35:02,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:35:02,326 INFO L87 Difference]: Start difference. First operand 3076 states and 3910 transitions. Second operand 3 states. [2019-09-10 11:35:02,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:35:02,501 INFO L93 Difference]: Finished difference Result 5723 states and 7298 transitions. [2019-09-10 11:35:02,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:35:02,502 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2019-09-10 11:35:02,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:35:02,540 INFO L225 Difference]: With dead ends: 5723 [2019-09-10 11:35:02,540 INFO L226 Difference]: Without dead ends: 5723 [2019-09-10 11:35:02,540 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:35:02,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5723 states. [2019-09-10 11:35:02,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5723 to 5605. [2019-09-10 11:35:02,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5605 states. [2019-09-10 11:35:02,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5605 states to 5605 states and 7169 transitions. [2019-09-10 11:35:02,754 INFO L78 Accepts]: Start accepts. Automaton has 5605 states and 7169 transitions. Word has length 159 [2019-09-10 11:35:02,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:35:02,755 INFO L475 AbstractCegarLoop]: Abstraction has 5605 states and 7169 transitions. [2019-09-10 11:35:02,755 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:35:02,755 INFO L276 IsEmpty]: Start isEmpty. Operand 5605 states and 7169 transitions. [2019-09-10 11:35:02,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2019-09-10 11:35:02,767 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:35:02,768 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:35:02,768 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:35:02,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:35:02,769 INFO L82 PathProgramCache]: Analyzing trace with hash -712822887, now seen corresponding path program 1 times [2019-09-10 11:35:02,769 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:35:02,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:35:02,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:35:02,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:35:02,773 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:35:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:35:03,039 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2019-09-10 11:35:03,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:35:03,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:35:03,040 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:35:03,040 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:35:03,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:35:03,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:35:03,041 INFO L87 Difference]: Start difference. First operand 5605 states and 7169 transitions. Second operand 3 states. [2019-09-10 11:35:03,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:35:03,196 INFO L93 Difference]: Finished difference Result 10110 states and 12909 transitions. [2019-09-10 11:35:03,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:35:03,196 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 303 [2019-09-10 11:35:03,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:35:03,261 INFO L225 Difference]: With dead ends: 10110 [2019-09-10 11:35:03,261 INFO L226 Difference]: Without dead ends: 10110 [2019-09-10 11:35:03,262 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:35:03,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10110 states. [2019-09-10 11:35:03,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10110 to 10037. [2019-09-10 11:35:03,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10037 states. [2019-09-10 11:35:03,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10037 states to 10037 states and 12823 transitions. [2019-09-10 11:35:03,702 INFO L78 Accepts]: Start accepts. Automaton has 10037 states and 12823 transitions. Word has length 303 [2019-09-10 11:35:03,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:35:03,702 INFO L475 AbstractCegarLoop]: Abstraction has 10037 states and 12823 transitions. [2019-09-10 11:35:03,702 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:35:03,702 INFO L276 IsEmpty]: Start isEmpty. Operand 10037 states and 12823 transitions. [2019-09-10 11:35:03,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2019-09-10 11:35:03,720 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:35:03,721 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:35:03,721 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:35:03,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:35:03,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1862700198, now seen corresponding path program 1 times [2019-09-10 11:35:03,723 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:35:03,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:35:03,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:35:03,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:35:03,729 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:35:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:35:04,044 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2019-09-10 11:35:04,045 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:35:04,045 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:35:04,045 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:35:04,047 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:35:04,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:35:04,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:35:04,048 INFO L87 Difference]: Start difference. First operand 10037 states and 12823 transitions. Second operand 3 states. [2019-09-10 11:35:04,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:35:04,212 INFO L93 Difference]: Finished difference Result 10133 states and 12967 transitions. [2019-09-10 11:35:04,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:35:04,213 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 322 [2019-09-10 11:35:04,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:35:04,282 INFO L225 Difference]: With dead ends: 10133 [2019-09-10 11:35:04,282 INFO L226 Difference]: Without dead ends: 10133 [2019-09-10 11:35:04,283 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:35:04,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10133 states. [2019-09-10 11:35:04,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10133 to 10133. [2019-09-10 11:35:04,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10133 states. [2019-09-10 11:35:04,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10133 states to 10133 states and 12967 transitions. [2019-09-10 11:35:04,631 INFO L78 Accepts]: Start accepts. Automaton has 10133 states and 12967 transitions. Word has length 322 [2019-09-10 11:35:04,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:35:04,633 INFO L475 AbstractCegarLoop]: Abstraction has 10133 states and 12967 transitions. [2019-09-10 11:35:04,634 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:35:04,634 INFO L276 IsEmpty]: Start isEmpty. Operand 10133 states and 12967 transitions. [2019-09-10 11:35:04,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2019-09-10 11:35:04,654 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:35:04,655 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:35:04,655 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:35:04,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:35:04,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1992469210, now seen corresponding path program 1 times [2019-09-10 11:35:04,656 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:35:04,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:35:04,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:35:04,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:35:04,661 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:35:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:35:05,790 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2019-09-10 11:35:05,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:35:05,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:35:05,792 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:35:05,795 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:35:05,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:35:05,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:35:05,796 INFO L87 Difference]: Start difference. First operand 10133 states and 12967 transitions. Second operand 3 states. [2019-09-10 11:35:06,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:35:06,079 INFO L93 Difference]: Finished difference Result 11217 states and 14329 transitions. [2019-09-10 11:35:06,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:35:06,079 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 329 [2019-09-10 11:35:06,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:35:06,134 INFO L225 Difference]: With dead ends: 11217 [2019-09-10 11:35:06,134 INFO L226 Difference]: Without dead ends: 11217 [2019-09-10 11:35:06,136 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:35:06,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11217 states. [2019-09-10 11:35:06,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11217 to 11107. [2019-09-10 11:35:06,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11107 states. [2019-09-10 11:35:06,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11107 states to 11107 states and 14208 transitions. [2019-09-10 11:35:06,516 INFO L78 Accepts]: Start accepts. Automaton has 11107 states and 14208 transitions. Word has length 329 [2019-09-10 11:35:06,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:35:06,517 INFO L475 AbstractCegarLoop]: Abstraction has 11107 states and 14208 transitions. [2019-09-10 11:35:06,517 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:35:06,517 INFO L276 IsEmpty]: Start isEmpty. Operand 11107 states and 14208 transitions. [2019-09-10 11:35:06,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2019-09-10 11:35:06,546 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:35:06,547 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:35:06,547 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:35:06,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:35:06,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1037522566, now seen corresponding path program 1 times [2019-09-10 11:35:06,548 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:35:06,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:35:06,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:35:06,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:35:06,552 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:35:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:35:06,966 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2019-09-10 11:35:06,966 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:35:06,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:35:06,967 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:35:06,967 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:35:06,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:35:06,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:35:06,968 INFO L87 Difference]: Start difference. First operand 11107 states and 14208 transitions. Second operand 3 states. [2019-09-10 11:35:07,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:35:07,245 INFO L93 Difference]: Finished difference Result 15727 states and 20022 transitions. [2019-09-10 11:35:07,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:35:07,246 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 347 [2019-09-10 11:35:07,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:35:07,324 INFO L225 Difference]: With dead ends: 15727 [2019-09-10 11:35:07,324 INFO L226 Difference]: Without dead ends: 15727 [2019-09-10 11:35:07,324 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:35:07,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15727 states. [2019-09-10 11:35:07,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15727 to 15573. [2019-09-10 11:35:07,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15573 states. [2019-09-10 11:35:07,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15573 states to 15573 states and 19849 transitions. [2019-09-10 11:35:07,795 INFO L78 Accepts]: Start accepts. Automaton has 15573 states and 19849 transitions. Word has length 347 [2019-09-10 11:35:07,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:35:07,797 INFO L475 AbstractCegarLoop]: Abstraction has 15573 states and 19849 transitions. [2019-09-10 11:35:07,797 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:35:07,797 INFO L276 IsEmpty]: Start isEmpty. Operand 15573 states and 19849 transitions. [2019-09-10 11:35:07,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2019-09-10 11:35:07,820 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:35:07,821 INFO L399 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:35:07,821 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:35:07,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:35:07,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1032545902, now seen corresponding path program 1 times [2019-09-10 11:35:07,822 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:35:07,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:35:07,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:35:07,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:35:07,826 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:35:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:35:08,329 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 22 proven. 22 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-09-10 11:35:08,330 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 11:35:08,330 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 11:35:08,332 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 375 with the following transitions: [2019-09-10 11:35:08,350 INFO L207 CegarAbsIntRunner]: [2], [3], [4], [6], [24], [26], [28], [32], [35], [45], [48], [57], [61], [63], [67], [69], [73], [77], [80], [86], [101], [105], [107], [109], [112], [114], [117], [119], [121], [129], [131], [136], [138], [141], [147], [149], [152], [156], [160], [227], [228], [229], [230], [236], [237], [238], [239], [244], [245], [249], [251], [256], [258], [261], [288], [289], [296], [297], [415], [416], [431], [433], [435], [438], [441], [448], [449], [450], [452], [453], [516], [521], [523], [524], [525], [526], [529], [531], [532], [533], [534], [567], [573], [574], [575], [577], [578], [579], [581], [582], [743], [744], [749], [751], [752], [753], [754], [759], [761], [763], [764], [799], [800], [801], [802], [803], [804], [805], [807], [809], [811], [814], [816], [818], [821], [824], [827], [830], [832], [835], [870], [873], [876], [879], [882], [884], [888], [891], [894], [896], [899], [907], [926], [929], [932], [945], [974], [995], [998], [1001], [1003], [1006], [1014], [1017], [1020], [1022], [1027], [1030], [1033], [1035], [1038], [1087], [1088], [1093], [1108], [1110], [1111], [1168], [1169], [1172], [1174], [1175], [1209], [1211], [1213], [1216], [1243], [1291], [1292], [1304], [1305], [1314], [1316], [1318], [1319], [1346], [1348], [1349], [1354], [1356], [1357], [1360], [1409], [1411], [1417], [1419], [1420], [1555], [1556], [1561], [1562], [1563], [1564], [1565], [1566], [1567], [1568], [1569], [1570], [1571], [1572], [1573], [1574], [1575], [1576], [1577], [1578], [1579], [1580], [1585], [1586], [1587], [1588], [1589], [1590], [1591], [1592], [1595], [1596], [1631], [1632], [1633], [1634], [1649], [1650], [1677], [1678], [1679], [1680], [1681], [1682], [1699], [1700], [1701], [1702], [1717], [1718], [1719], [1720], [1731], [1732], [1733], [1734], [1735], [1736], [1741], [1742], [1743], [1744], [1745], [1746], [1747], [1748], [1749], [1750], [1751], [1752], [1753], [1754], [1759], [1760], [1761], [1762], [1777], [1778], [1779], [1780], [1781], [1782], [1789], [1793], [1794], [1795], [1796], [1819], [1820], [1827], [1828], [1829], [1830], [1857], [1858], [1859], [1860], [1865], [1866], [1867], [1868], [1869], [1881], [1882], [1883], [1885], [1886] [2019-09-10 11:35:08,461 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 11:35:08,462 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 11:35:08,611 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 11:35:08,613 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 124 root evaluator evaluations with a maximum evaluation depth of 0. Performed 124 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 238 variables. [2019-09-10 11:35:08,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:35:08,619 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 11:35:08,890 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 11:35:08,891 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 11:35:08,899 INFO L420 sIntCurrentIteration]: We unified 373 AI predicates to 373 [2019-09-10 11:35:08,899 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 11:35:08,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 11:35:08,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2019-09-10 11:35:08,900 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:35:08,901 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 11:35:08,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 11:35:08,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 11:35:08,902 INFO L87 Difference]: Start difference. First operand 15573 states and 19849 transitions. Second operand 2 states. [2019-09-10 11:35:08,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:35:08,902 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 11:35:08,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 11:35:08,903 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 374 [2019-09-10 11:35:08,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:35:08,903 INFO L225 Difference]: With dead ends: 2 [2019-09-10 11:35:08,903 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 11:35:08,904 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 373 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 11:35:08,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 11:35:08,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 11:35:08,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 11:35:08,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 11:35:08,905 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 374 [2019-09-10 11:35:08,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:35:08,905 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 11:35:08,905 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 11:35:08,905 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 11:35:08,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 11:35:08,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 11:35:08 BoogieIcfgContainer [2019-09-10 11:35:08,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 11:35:08,914 INFO L168 Benchmark]: Toolchain (without parser) took 17238.92 ms. Allocated memory was 134.7 MB in the beginning and 799.0 MB in the end (delta: 664.3 MB). Free memory was 82.1 MB in the beginning and 632.8 MB in the end (delta: -550.8 MB). Peak memory consumption was 113.5 MB. Max. memory is 7.1 GB. [2019-09-10 11:35:08,915 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 134.7 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-10 11:35:08,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2563.69 ms. Allocated memory was 134.7 MB in the beginning and 269.5 MB in the end (delta: 134.7 MB). Free memory was 81.8 MB in the beginning and 133.8 MB in the end (delta: -51.9 MB). Peak memory consumption was 90.9 MB. Max. memory is 7.1 GB. [2019-09-10 11:35:08,917 INFO L168 Benchmark]: Boogie Preprocessor took 350.58 ms. Allocated memory is still 269.5 MB. Free memory was 133.8 MB in the beginning and 119.6 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-09-10 11:35:08,918 INFO L168 Benchmark]: RCFGBuilder took 3195.70 ms. Allocated memory was 269.5 MB in the beginning and 356.5 MB in the end (delta: 87.0 MB). Free memory was 119.6 MB in the beginning and 171.6 MB in the end (delta: -52.0 MB). Peak memory consumption was 54.7 MB. Max. memory is 7.1 GB. [2019-09-10 11:35:08,919 INFO L168 Benchmark]: TraceAbstraction took 11122.65 ms. Allocated memory was 356.5 MB in the beginning and 799.0 MB in the end (delta: 442.5 MB). Free memory was 171.6 MB in the beginning and 632.8 MB in the end (delta: -461.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 11:35:08,923 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 134.7 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2563.69 ms. Allocated memory was 134.7 MB in the beginning and 269.5 MB in the end (delta: 134.7 MB). Free memory was 81.8 MB in the beginning and 133.8 MB in the end (delta: -51.9 MB). Peak memory consumption was 90.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 350.58 ms. Allocated memory is still 269.5 MB. Free memory was 133.8 MB in the beginning and 119.6 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3195.70 ms. Allocated memory was 269.5 MB in the beginning and 356.5 MB in the end (delta: 87.0 MB). Free memory was 119.6 MB in the beginning and 171.6 MB in the end (delta: -52.0 MB). Peak memory consumption was 54.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11122.65 ms. Allocated memory was 356.5 MB in the beginning and 799.0 MB in the end (delta: 442.5 MB). Free memory was 171.6 MB in the beginning and 632.8 MB in the end (delta: -461.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6551]: 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 126 procedures, 912 locations, 1 error locations. SAFE Result, 11.0s OverallTime, 13 OverallIterations, 6 TraceHistogramMax, 2.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14774 SDtfs, 9858 SDslu, 6890 SDs, 0 SdLazy, 173 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15573occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.289544235924933 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 478 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 2579 NumberOfCodeBlocks, 2579 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2566 ConstructedInterpolants, 0 QuantifiedInterpolants, 800300 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 1192/1214 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...