java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--esd_usb2.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 10:51:25,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 10:51:25,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 10:51:25,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 10:51:25,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 10:51:25,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 10:51:25,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 10:51:25,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 10:51:25,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 10:51:25,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 10:51:25,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 10:51:25,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 10:51:25,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 10:51:25,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 10:51:25,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 10:51:25,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 10:51:25,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 10:51:25,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 10:51:25,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 10:51:25,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 10:51:25,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 10:51:25,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 10:51:25,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 10:51:25,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 10:51:25,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 10:51:25,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 10:51:25,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 10:51:25,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 10:51:25,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 10:51:25,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 10:51:25,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 10:51:25,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 10:51:25,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 10:51:25,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 10:51:25,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 10:51:25,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 10:51:25,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 10:51:25,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 10:51:25,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 10:51:25,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 10:51:25,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 10:51:25,659 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 10:51:25,674 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 10:51:25,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 10:51:25,675 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 10:51:25,675 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 10:51:25,676 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 10:51:25,676 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 10:51:25,676 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 10:51:25,676 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 10:51:25,677 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 10:51:25,677 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 10:51:25,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 10:51:25,678 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 10:51:25,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 10:51:25,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 10:51:25,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 10:51:25,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 10:51:25,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 10:51:25,679 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 10:51:25,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 10:51:25,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 10:51:25,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 10:51:25,680 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 10:51:25,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 10:51:25,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 10:51:25,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 10:51:25,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 10:51:25,681 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 10:51:25,681 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 10:51:25,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 10:51:25,681 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 10:51:25,712 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 10:51:25,725 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 10:51:25,728 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 10:51:25,730 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 10:51:25,730 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 10:51:25,731 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--esd_usb2.ko-entry_point.cil.out.i [2019-09-10 10:51:25,791 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab3c1033b/ad0586e7bcf242718b17041bbb366068/FLAG9f1d1d632 [2019-09-10 10:51:26,582 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 10:51:26,583 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--esd_usb2.ko-entry_point.cil.out.i [2019-09-10 10:51:26,629 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab3c1033b/ad0586e7bcf242718b17041bbb366068/FLAG9f1d1d632 [2019-09-10 10:51:27,123 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab3c1033b/ad0586e7bcf242718b17041bbb366068 [2019-09-10 10:51:27,133 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 10:51:27,136 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 10:51:27,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 10:51:27,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 10:51:27,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 10:51:27,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:51:27" (1/1) ... [2019-09-10 10:51:27,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48a4bf90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:27, skipping insertion in model container [2019-09-10 10:51:27,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:51:27" (1/1) ... [2019-09-10 10:51:27,153 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 10:51:27,291 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 10:51:28,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:51:28,945 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 10:51:29,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:51:29,644 INFO L192 MainTranslator]: Completed translation [2019-09-10 10:51:29,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:29 WrapperNode [2019-09-10 10:51:29,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 10:51:29,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 10:51:29,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 10:51:29,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 10:51:29,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:29" (1/1) ... [2019-09-10 10:51:29,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:29" (1/1) ... [2019-09-10 10:51:29,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:29" (1/1) ... [2019-09-10 10:51:29,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:29" (1/1) ... [2019-09-10 10:51:29,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:29" (1/1) ... [2019-09-10 10:51:29,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:29" (1/1) ... [2019-09-10 10:51:30,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:29" (1/1) ... [2019-09-10 10:51:30,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 10:51:30,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 10:51:30,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 10:51:30,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 10:51:30,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 10:51:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 10:51:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 10:51:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 10:51:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-10 10:51:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-10 10:51:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-10 10:51:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-10 10:51:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-09-10 10:51:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-09-10 10:51:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-09-10 10:51:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-09-10 10:51:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-10 10:51:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-10 10:51:30,152 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2019-09-10 10:51:30,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-10 10:51:30,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-10 10:51:30,153 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-10 10:51:30,153 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 10:51:30,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 10:51:30,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 10:51:30,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 10:51:30,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 10:51:30,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 10:51:30,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 10:51:30,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 10:51:30,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 10:51:30,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-10 10:51:30,156 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-09-10 10:51:30,156 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-10 10:51:30,156 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-09-10 10:51:30,156 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-09-10 10:51:30,157 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-09-10 10:51:30,157 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-09-10 10:51:30,157 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-09-10 10:51:30,157 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-09-10 10:51:30,157 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2019-09-10 10:51:30,158 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dropped_invalid_skb [2019-09-10 10:51:30,158 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_rx_event [2019-09-10 10:51:30,158 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_rx_can_msg [2019-09-10 10:51:30,158 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_tx_done_msg [2019-09-10 10:51:30,158 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_read_bulk_callback [2019-09-10 10:51:30,158 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_write_bulk_callback [2019-09-10 10:51:30,158 INFO L138 BoogieDeclarations]: Found implementation of procedure show_firmware [2019-09-10 10:51:30,159 INFO L138 BoogieDeclarations]: Found implementation of procedure show_hardware [2019-09-10 10:51:30,159 INFO L138 BoogieDeclarations]: Found implementation of procedure show_nets [2019-09-10 10:51:30,159 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_send_msg [2019-09-10 10:51:30,160 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_wait_msg [2019-09-10 10:51:30,160 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_setup_rx_urbs [2019-09-10 10:51:30,160 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_start [2019-09-10 10:51:30,160 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2019-09-10 10:51:30,161 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_open [2019-09-10 10:51:30,161 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_start_xmit [2019-09-10 10:51:30,161 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_close [2019-09-10 10:51:30,161 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_set_bittiming [2019-09-10 10:51:30,161 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_get_berr_counter [2019-09-10 10:51:30,161 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_set_mode [2019-09-10 10:51:30,162 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_probe_one_net [2019-09-10 10:51:30,162 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_probe [2019-09-10 10:51:30,162 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_disconnect [2019-09-10 10:51:30,162 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_driver_init [2019-09-10 10:51:30,162 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_driver_exit [2019-09-10 10:51:30,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-09-10 10:51:30,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2019-09-10 10:51:30,163 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 10:51:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-10 10:51:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_2 [2019-09-10 10:51:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2019-09-10 10:51:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_4 [2019-09-10 10:51:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_7 [2019-09-10 10:51:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_9 [2019-09-10 10:51:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_10 [2019-09-10 10:51:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_11 [2019-09-10 10:51:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_13 [2019-09-10 10:51:30,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_14 [2019-09-10 10:51:30,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_15 [2019-09-10 10:51:30,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_17 [2019-09-10 10:51:30,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_20 [2019-09-10 10:51:30,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_21 [2019-09-10 10:51:30,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-09-10 10:51:30,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-09-10 10:51:30,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-09-10 10:51:30,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-09-10 10:51:30,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-09-10 10:51:30,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-09-10 10:51:30,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-09-10 10:51:30,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-09-10 10:51:30,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-09-10 10:51:30,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-09-10 10:51:30,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-09-10 10:51:30,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-09-10 10:51:30,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-09-10 10:51:30,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-09-10 10:51:30,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-09-10 10:51:30,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-09-10 10:51:30,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 10:51:30,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-10 10:51:30,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-09-10 10:51:30,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-10 10:51:30,173 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-10 10:51:30,174 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_err_skb [2019-09-10 10:51:30,174 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_skb [2019-09-10 10:51:30,174 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_candev [2019-09-10 10:51:30,174 INFO L138 BoogieDeclarations]: Found implementation of procedure can_bus_off [2019-09-10 10:51:30,174 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2019-09-10 10:51:30,174 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_echo_skb [2019-09-10 10:51:30,175 INFO L138 BoogieDeclarations]: Found implementation of procedure can_put_echo_skb [2019-09-10 10:51:30,175 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2019-09-10 10:51:30,175 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-09-10 10:51:30,175 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-10 10:51:30,175 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-10 10:51:30,175 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2019-09-10 10:51:30,175 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-09-10 10:51:30,176 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2019-09-10 10:51:30,176 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-09-10 10:51:30,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 10:51:30,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2019-09-10 10:51:30,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2019-09-10 10:51:30,177 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-09-10 10:51:30,178 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-09-10 10:51:30,178 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-09-10 10:51:30,178 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2019-09-10 10:51:30,178 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-09-10 10:51:30,179 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-09-10 10:51:30,179 INFO L138 BoogieDeclarations]: Found implementation of procedure open_candev [2019-09-10 10:51:30,180 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 10:51:30,180 INFO L138 BoogieDeclarations]: Found implementation of procedure register_candev [2019-09-10 10:51:30,180 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-09-10 10:51:30,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-09-10 10:51:30,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2019-09-10 10:51:30,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-09-10 10:51:30,181 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-10 10:51:30,182 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-09-10 10:51:30,182 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2019-09-10 10:51:30,182 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-10 10:51:30,182 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2019-09-10 10:51:30,183 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-10 10:51:30,183 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 10:51:30,183 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 10:51:30,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 10:51:30,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 10:51:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 10:51:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-10 10:51:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-10 10:51:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-10 10:51:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-10 10:51:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 10:51:30,185 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 10:51:30,185 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-10 10:51:30,185 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-10 10:51:30,185 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-09-10 10:51:30,187 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-09-10 10:51:30,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 10:51:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-09-10 10:51:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-09-10 10:51:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-10 10:51:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 10:51:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-10 10:51:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-10 10:51:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-10 10:51:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2019-09-10 10:51:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-09-10 10:51:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-10 10:51:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-10 10:51:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-10 10:51:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_4 [2019-09-10 10:51:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_17 [2019-09-10 10:51:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-10 10:51:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-10 10:51:30,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_20 [2019-09-10 10:51:30,191 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-10 10:51:30,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_21 [2019-09-10 10:51:30,191 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2019-09-10 10:51:30,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 10:51:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 10:51:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_2 [2019-09-10 10:51:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_7 [2019-09-10 10:51:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_11 [2019-09-10 10:51:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_10 [2019-09-10 10:51:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_14 [2019-09-10 10:51:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_15 [2019-09-10 10:51:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2019-09-10 10:51:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_9 [2019-09-10 10:51:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_13 [2019-09-10 10:51:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2019-09-10 10:51:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2019-09-10 10:51:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2019-09-10 10:51:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-09-10 10:51:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-09-10 10:51:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-09-10 10:51:30,195 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-10 10:51:30,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-09-10 10:51:30,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-09-10 10:51:30,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-09-10 10:51:30,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-09-10 10:51:30,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-09-10 10:51:30,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-09-10 10:51:30,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-09-10 10:51:30,196 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 10:51:30,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 10:51:30,196 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-10 10:51:30,196 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-10 10:51:30,196 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 10:51:30,196 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 10:51:30,196 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 10:51:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 10:51:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 10:51:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 10:51:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 10:51:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 10:51:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 10:51:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 10:51:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 10:51:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 10:51:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 10:51:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 10:51:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 10:51:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-10 10:51:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-09-10 10:51:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2019-09-10 10:51:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-09-10 10:51:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-09-10 10:51:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-09-10 10:51:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 10:51:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-10 10:51:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-09-10 10:51:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-09-10 10:51:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-09-10 10:51:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-09-10 10:51:30,201 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-09-10 10:51:30,201 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-09-10 10:51:30,201 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-09-10 10:51:30,201 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-09-10 10:51:30,201 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-09-10 10:51:30,202 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2019-09-10 10:51:30,202 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2019-09-10 10:51:30,202 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-09-10 10:51:30,202 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-09-10 10:51:30,203 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-09-10 10:51:30,203 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-09-10 10:51:30,203 INFO L130 BoogieDeclarations]: Found specification of procedure can_dropped_invalid_skb [2019-09-10 10:51:30,203 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_candev [2019-09-10 10:51:30,203 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2019-09-10 10:51:30,203 INFO L130 BoogieDeclarations]: Found specification of procedure open_candev [2019-09-10 10:51:30,204 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2019-09-10 10:51:30,204 INFO L130 BoogieDeclarations]: Found specification of procedure register_candev [2019-09-10 10:51:30,204 INFO L130 BoogieDeclarations]: Found specification of procedure can_bus_off [2019-09-10 10:51:30,204 INFO L130 BoogieDeclarations]: Found specification of procedure can_put_echo_skb [2019-09-10 10:51:30,204 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_echo_skb [2019-09-10 10:51:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2019-09-10 10:51:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_skb [2019-09-10 10:51:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_err_skb [2019-09-10 10:51:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_rx_event [2019-09-10 10:51:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_rx_can_msg [2019-09-10 10:51:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_tx_done_msg [2019-09-10 10:51:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_read_bulk_callback [2019-09-10 10:51:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_write_bulk_callback [2019-09-10 10:51:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure show_firmware [2019-09-10 10:51:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure show_hardware [2019-09-10 10:51:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure show_nets [2019-09-10 10:51:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_send_msg [2019-09-10 10:51:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_wait_msg [2019-09-10 10:51:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_setup_rx_urbs [2019-09-10 10:51:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_start [2019-09-10 10:51:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2019-09-10 10:51:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_open [2019-09-10 10:51:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_start_xmit [2019-09-10 10:51:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_close [2019-09-10 10:51:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_set_bittiming [2019-09-10 10:51:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_get_berr_counter [2019-09-10 10:51:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_set_mode [2019-09-10 10:51:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_probe_one_net [2019-09-10 10:51:30,219 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_probe [2019-09-10 10:51:30,219 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_disconnect [2019-09-10 10:51:30,219 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_driver_init [2019-09-10 10:51:30,219 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_driver_exit [2019-09-10 10:51:30,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2019-09-10 10:51:30,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2019-09-10 10:51:30,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 10:51:30,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 10:51:30,220 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 10:51:30,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-09-10 10:51:30,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-09-10 10:51:30,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-09-10 10:51:30,222 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 10:51:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-09-10 10:51:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-09-10 10:51:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-09-10 10:51:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-09-10 10:51:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-09-10 10:51:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-09-10 10:51:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 10:51:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-10 10:51:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 10:51:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 10:51:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 10:51:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 10:51:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 10:51:40,830 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 10:51:41,676 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-09-10 10:58:28,990 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 10:58:28,991 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 10:58:28,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:58:28 BoogieIcfgContainer [2019-09-10 10:58:28,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 10:58:28,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 10:58:28,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 10:58:28,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 10:58:28,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 10:51:27" (1/3) ... [2019-09-10 10:58:28,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b716e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:58:28, skipping insertion in model container [2019-09-10 10:58:28,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:29" (2/3) ... [2019-09-10 10:58:29,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b716e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:58:28, skipping insertion in model container [2019-09-10 10:58:29,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:58:28" (3/3) ... [2019-09-10 10:58:29,003 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--esd_usb2.ko-entry_point.cil.out.i [2019-09-10 10:58:29,013 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 10:58:29,032 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 10:58:29,050 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 10:58:29,092 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 10:58:29,093 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 10:58:29,093 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 10:58:29,093 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 10:58:29,093 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 10:58:29,093 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 10:58:29,093 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 10:58:29,093 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 10:58:29,137 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states. [2019-09-10 10:58:29,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-09-10 10:58:29,165 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:58:29,166 INFO L399 BasicCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:58:29,168 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:58:29,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:29,174 INFO L82 PathProgramCache]: Analyzing trace with hash -209559445, now seen corresponding path program 1 times [2019-09-10 10:58:29,177 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:58:29,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:29,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:58:29,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:29,257 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:58:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:58:29,779 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2019-09-10 10:58:29,781 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:58:29,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:58:29,781 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:58:29,787 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:58:29,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:58:29,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:58:29,807 INFO L87 Difference]: Start difference. First operand 991 states. Second operand 3 states. [2019-09-10 10:58:30,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:58:30,194 INFO L93 Difference]: Finished difference Result 1787 states and 2273 transitions. [2019-09-10 10:58:30,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:58:30,196 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2019-09-10 10:58:30,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:58:30,226 INFO L225 Difference]: With dead ends: 1787 [2019-09-10 10:58:30,227 INFO L226 Difference]: Without dead ends: 1758 [2019-09-10 10:58:30,228 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 10:58:30,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1758 states. [2019-09-10 10:58:30,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1758 to 1758. [2019-09-10 10:58:30,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1758 states. [2019-09-10 10:58:30,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 1758 states and 2226 transitions. [2019-09-10 10:58:30,426 INFO L78 Accepts]: Start accepts. Automaton has 1758 states and 2226 transitions. Word has length 100 [2019-09-10 10:58:30,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:58:30,427 INFO L475 AbstractCegarLoop]: Abstraction has 1758 states and 2226 transitions. [2019-09-10 10:58:30,427 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:58:30,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1758 states and 2226 transitions. [2019-09-10 10:58:30,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-09-10 10:58:30,444 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:58:30,444 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:58:30,444 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:58:30,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:30,445 INFO L82 PathProgramCache]: Analyzing trace with hash 2028692010, now seen corresponding path program 1 times [2019-09-10 10:58:30,445 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:58:30,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:30,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:58:30,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:30,451 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:58:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:58:30,723 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-09-10 10:58:30,723 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:58:30,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:58:30,724 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:58:30,725 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:58:30,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:58:30,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:58:30,726 INFO L87 Difference]: Start difference. First operand 1758 states and 2226 transitions. Second operand 3 states. [2019-09-10 10:58:30,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:58:30,876 INFO L93 Difference]: Finished difference Result 3483 states and 4441 transitions. [2019-09-10 10:58:30,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:58:30,877 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2019-09-10 10:58:30,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:58:30,906 INFO L225 Difference]: With dead ends: 3483 [2019-09-10 10:58:30,906 INFO L226 Difference]: Without dead ends: 3483 [2019-09-10 10:58:30,907 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 10:58:30,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3483 states. [2019-09-10 10:58:31,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3483 to 3473. [2019-09-10 10:58:31,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3473 states. [2019-09-10 10:58:31,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3473 states to 3473 states and 4429 transitions. [2019-09-10 10:58:31,057 INFO L78 Accepts]: Start accepts. Automaton has 3473 states and 4429 transitions. Word has length 116 [2019-09-10 10:58:31,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:58:31,061 INFO L475 AbstractCegarLoop]: Abstraction has 3473 states and 4429 transitions. [2019-09-10 10:58:31,061 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:58:31,061 INFO L276 IsEmpty]: Start isEmpty. Operand 3473 states and 4429 transitions. [2019-09-10 10:58:31,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-09-10 10:58:31,067 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:58:31,067 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:58:31,068 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:58:31,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:31,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1535540207, now seen corresponding path program 1 times [2019-09-10 10:58:31,068 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:58:31,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:31,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:58:31,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:31,076 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:58:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:58:31,497 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-09-10 10:58:31,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:58:31,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:58:31,498 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:58:31,500 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:58:31,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:58:31,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:58:31,500 INFO L87 Difference]: Start difference. First operand 3473 states and 4429 transitions. Second operand 3 states. [2019-09-10 10:58:31,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:58:31,544 INFO L93 Difference]: Finished difference Result 3472 states and 4427 transitions. [2019-09-10 10:58:31,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:58:31,545 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2019-09-10 10:58:31,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:58:31,579 INFO L225 Difference]: With dead ends: 3472 [2019-09-10 10:58:31,579 INFO L226 Difference]: Without dead ends: 3472 [2019-09-10 10:58:31,580 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 10:58:31,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3472 states. [2019-09-10 10:58:31,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3472 to 3472. [2019-09-10 10:58:31,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3472 states. [2019-09-10 10:58:32,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3472 states to 3472 states and 4427 transitions. [2019-09-10 10:58:32,288 INFO L78 Accepts]: Start accepts. Automaton has 3472 states and 4427 transitions. Word has length 117 [2019-09-10 10:58:32,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:58:32,288 INFO L475 AbstractCegarLoop]: Abstraction has 3472 states and 4427 transitions. [2019-09-10 10:58:32,288 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:58:32,288 INFO L276 IsEmpty]: Start isEmpty. Operand 3472 states and 4427 transitions. [2019-09-10 10:58:32,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-09-10 10:58:32,293 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:58:32,294 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:58:32,294 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:58:32,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:32,298 INFO L82 PathProgramCache]: Analyzing trace with hash -357584371, now seen corresponding path program 1 times [2019-09-10 10:58:32,298 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:58:32,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:32,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:58:32,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:32,302 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:58:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:58:32,537 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-09-10 10:58:32,538 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:58:32,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:58:32,538 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:58:32,539 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:58:32,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:58:32,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:58:32,540 INFO L87 Difference]: Start difference. First operand 3472 states and 4427 transitions. Second operand 3 states. [2019-09-10 10:58:32,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:58:32,588 INFO L93 Difference]: Finished difference Result 3471 states and 4425 transitions. [2019-09-10 10:58:32,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:58:32,589 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2019-09-10 10:58:32,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:58:32,612 INFO L225 Difference]: With dead ends: 3471 [2019-09-10 10:58:32,613 INFO L226 Difference]: Without dead ends: 3471 [2019-09-10 10:58:32,613 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 10:58:32,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3471 states. [2019-09-10 10:58:32,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3471 to 3471. [2019-09-10 10:58:32,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3471 states. [2019-09-10 10:58:32,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3471 states to 3471 states and 4425 transitions. [2019-09-10 10:58:32,754 INFO L78 Accepts]: Start accepts. Automaton has 3471 states and 4425 transitions. Word has length 118 [2019-09-10 10:58:32,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:58:32,756 INFO L475 AbstractCegarLoop]: Abstraction has 3471 states and 4425 transitions. [2019-09-10 10:58:32,756 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:58:32,756 INFO L276 IsEmpty]: Start isEmpty. Operand 3471 states and 4425 transitions. [2019-09-10 10:58:32,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-09-10 10:58:32,759 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:58:32,760 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:58:32,760 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:58:32,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:32,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1799313044, now seen corresponding path program 1 times [2019-09-10 10:58:32,761 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:58:32,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:32,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:58:32,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:32,766 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:58:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:58:32,955 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-09-10 10:58:32,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:58:32,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:58:32,955 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:58:32,956 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:58:32,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:58:32,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:58:32,957 INFO L87 Difference]: Start difference. First operand 3471 states and 4425 transitions. Second operand 3 states. [2019-09-10 10:58:32,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:58:32,989 INFO L93 Difference]: Finished difference Result 3470 states and 4423 transitions. [2019-09-10 10:58:32,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:58:32,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2019-09-10 10:58:32,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:58:33,012 INFO L225 Difference]: With dead ends: 3470 [2019-09-10 10:58:33,013 INFO L226 Difference]: Without dead ends: 3470 [2019-09-10 10:58:33,013 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 10:58:33,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3470 states. [2019-09-10 10:58:33,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3470 to 3470. [2019-09-10 10:58:33,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3470 states. [2019-09-10 10:58:33,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3470 states to 3470 states and 4423 transitions. [2019-09-10 10:58:33,118 INFO L78 Accepts]: Start accepts. Automaton has 3470 states and 4423 transitions. Word has length 119 [2019-09-10 10:58:33,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:58:33,118 INFO L475 AbstractCegarLoop]: Abstraction has 3470 states and 4423 transitions. [2019-09-10 10:58:33,119 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:58:33,119 INFO L276 IsEmpty]: Start isEmpty. Operand 3470 states and 4423 transitions. [2019-09-10 10:58:33,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-09-10 10:58:33,121 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:58:33,121 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:58:33,121 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:58:33,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:33,122 INFO L82 PathProgramCache]: Analyzing trace with hash -56338960, now seen corresponding path program 1 times [2019-09-10 10:58:33,122 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:58:33,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:33,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:58:33,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:33,128 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:58:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:58:33,300 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-09-10 10:58:33,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:58:33,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:58:33,301 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:58:33,301 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:58:33,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:58:33,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:58:33,302 INFO L87 Difference]: Start difference. First operand 3470 states and 4423 transitions. Second operand 3 states. [2019-09-10 10:58:33,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:58:33,335 INFO L93 Difference]: Finished difference Result 3469 states and 4421 transitions. [2019-09-10 10:58:33,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:58:33,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2019-09-10 10:58:33,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:58:33,355 INFO L225 Difference]: With dead ends: 3469 [2019-09-10 10:58:33,356 INFO L226 Difference]: Without dead ends: 3450 [2019-09-10 10:58:33,356 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 10:58:33,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3450 states. [2019-09-10 10:58:33,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3450 to 3450. [2019-09-10 10:58:33,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3450 states. [2019-09-10 10:58:33,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3450 states to 3450 states and 4399 transitions. [2019-09-10 10:58:33,467 INFO L78 Accepts]: Start accepts. Automaton has 3450 states and 4399 transitions. Word has length 120 [2019-09-10 10:58:33,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:58:33,468 INFO L475 AbstractCegarLoop]: Abstraction has 3450 states and 4399 transitions. [2019-09-10 10:58:33,468 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:58:33,468 INFO L276 IsEmpty]: Start isEmpty. Operand 3450 states and 4399 transitions. [2019-09-10 10:58:33,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-09-10 10:58:33,475 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:58:33,475 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 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] [2019-09-10 10:58:33,475 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:58:33,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:33,476 INFO L82 PathProgramCache]: Analyzing trace with hash 2129428870, now seen corresponding path program 1 times [2019-09-10 10:58:33,476 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:58:33,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:33,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:58:33,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:33,480 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:58:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:58:33,630 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-09-10 10:58:33,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:58:33,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:58:33,631 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:58:33,631 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:58:33,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:58:33,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:58:33,632 INFO L87 Difference]: Start difference. First operand 3450 states and 4399 transitions. Second operand 3 states. [2019-09-10 10:58:33,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:58:33,762 INFO L93 Difference]: Finished difference Result 4678 states and 5879 transitions. [2019-09-10 10:58:33,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:58:33,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2019-09-10 10:58:33,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:58:33,788 INFO L225 Difference]: With dead ends: 4678 [2019-09-10 10:58:33,789 INFO L226 Difference]: Without dead ends: 4678 [2019-09-10 10:58:33,789 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 10:58:33,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4678 states. [2019-09-10 10:58:33,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4678 to 4660. [2019-09-10 10:58:33,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4660 states. [2019-09-10 10:58:33,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4660 states to 4660 states and 5862 transitions. [2019-09-10 10:58:33,943 INFO L78 Accepts]: Start accepts. Automaton has 4660 states and 5862 transitions. Word has length 179 [2019-09-10 10:58:33,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:58:33,943 INFO L475 AbstractCegarLoop]: Abstraction has 4660 states and 5862 transitions. [2019-09-10 10:58:33,943 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:58:33,944 INFO L276 IsEmpty]: Start isEmpty. Operand 4660 states and 5862 transitions. [2019-09-10 10:58:33,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-09-10 10:58:33,953 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:58:33,953 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:58:33,954 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:58:33,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:33,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1665014121, now seen corresponding path program 1 times [2019-09-10 10:58:33,954 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:58:33,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:33,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:58:33,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:33,958 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:58:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:58:34,244 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2019-09-10 10:58:34,244 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:58:34,245 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:58:34,245 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:58:34,246 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:58:34,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:58:34,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:58:34,246 INFO L87 Difference]: Start difference. First operand 4660 states and 5862 transitions. Second operand 3 states. [2019-09-10 10:58:34,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:58:34,539 INFO L93 Difference]: Finished difference Result 5926 states and 7399 transitions. [2019-09-10 10:58:34,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:58:34,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2019-09-10 10:58:34,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:58:34,587 INFO L225 Difference]: With dead ends: 5926 [2019-09-10 10:58:34,587 INFO L226 Difference]: Without dead ends: 5926 [2019-09-10 10:58:34,587 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 10:58:34,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5926 states. [2019-09-10 10:58:34,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5926 to 5908. [2019-09-10 10:58:34,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5908 states. [2019-09-10 10:58:34,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5908 states to 5908 states and 7382 transitions. [2019-09-10 10:58:34,749 INFO L78 Accepts]: Start accepts. Automaton has 5908 states and 7382 transitions. Word has length 210 [2019-09-10 10:58:34,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:58:34,750 INFO L475 AbstractCegarLoop]: Abstraction has 5908 states and 7382 transitions. [2019-09-10 10:58:34,750 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:58:34,750 INFO L276 IsEmpty]: Start isEmpty. Operand 5908 states and 7382 transitions. [2019-09-10 10:58:34,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-09-10 10:58:34,760 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:58:34,761 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:58:34,761 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:58:34,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:34,761 INFO L82 PathProgramCache]: Analyzing trace with hash -376458901, now seen corresponding path program 1 times [2019-09-10 10:58:34,762 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:58:34,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:34,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:58:34,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:34,767 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:58:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:58:35,008 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2019-09-10 10:58:35,008 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:58:35,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:58:35,008 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:58:35,009 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:58:35,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:58:35,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:58:35,010 INFO L87 Difference]: Start difference. First operand 5908 states and 7382 transitions. Second operand 3 states. [2019-09-10 10:58:35,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:58:35,169 INFO L93 Difference]: Finished difference Result 8266 states and 10273 transitions. [2019-09-10 10:58:35,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:58:35,170 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2019-09-10 10:58:35,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:58:35,206 INFO L225 Difference]: With dead ends: 8266 [2019-09-10 10:58:35,206 INFO L226 Difference]: Without dead ends: 8266 [2019-09-10 10:58:35,207 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 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 10:58:35,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8266 states. [2019-09-10 10:58:35,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8266 to 8248. [2019-09-10 10:58:35,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8248 states. [2019-09-10 10:58:35,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8248 states to 8248 states and 10256 transitions. [2019-09-10 10:58:35,417 INFO L78 Accepts]: Start accepts. Automaton has 8248 states and 10256 transitions. Word has length 228 [2019-09-10 10:58:35,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:58:35,419 INFO L475 AbstractCegarLoop]: Abstraction has 8248 states and 10256 transitions. [2019-09-10 10:58:35,419 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:58:35,419 INFO L276 IsEmpty]: Start isEmpty. Operand 8248 states and 10256 transitions. [2019-09-10 10:58:35,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2019-09-10 10:58:35,433 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:58:35,433 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:58:35,434 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:58:35,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:35,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1996533320, now seen corresponding path program 1 times [2019-09-10 10:58:35,434 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:58:35,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:35,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:58:35,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:35,440 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:58:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:58:35,691 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2019-09-10 10:58:35,691 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 10:58:35,691 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 10:58:35,693 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 256 with the following transitions: [2019-09-10 10:58:35,698 INFO L207 CegarAbsIntRunner]: [41], [43], [45], [46], [144], [145], [146], [219], [220], [239], [241], [243], [246], [249], [256], [257], [258], [260], [261], [286], [288], [289], [305], [306], [309], [311], [313], [316], [328], [418], [420], [421], [422], [423], [426], [428], [429], [430], [432], [433], [439], [440], [553], [554], [555], [556], [557], [559], [561], [563], [565], [567], [569], [571], [573], [575], [577], [579], [581], [583], [616], [668], [671], [674], [677], [680], [682], [686], [689], [692], [694], [697], [699], [707], [726], [759], [762], [765], [778], [781], [784], [786], [789], [797], [800], [803], [805], [810], [813], [816], [818], [821], [906], [907], [982], [984], [986], [990], [992], [995], [1094], [1095], [1170], [1171], [1230], [1249], [1268], [1272], [1273], [1501], [1502], [1657], [1658], [1716], [1750], [1753], [1757], [1828], [1829], [1830], [1831], [1880], [1881], [1882], [1883], [1884], [1885], [1892], [1893], [1902], [1903], [1904], [1905], [1906], [1907], [1942], [1943], [1944], [1945], [1946], [1947], [1972], [1973], [1974], [1975], [1976], [1977], [1978], [1979], [1980], [1981], [1982], [1983], [1984], [1985], [1986], [1987], [1988], [1989], [1990], [1991], [1992], [1993], [1994], [1995], [2006], [2007], [2008], [2009], [2010], [2011], [2020], [2021], [2022], [2023], [2024], [2025], [2036], [2060], [2061], [2062], [2063], [2064], [2065], [2066], [2067], [2148], [2149], [2226], [2254], [2255], [2256] [2019-09-10 10:58:35,809 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 10:58:35,810 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 10:58:35,944 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 10:58:35,945 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 152 root evaluator evaluations with a maximum evaluation depth of 0. Performed 152 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 314 variables. [2019-09-10 10:58:35,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:35,950 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 10:58:36,076 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 10:58:36,076 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 10:58:36,086 INFO L420 sIntCurrentIteration]: We unified 254 AI predicates to 254 [2019-09-10 10:58:36,086 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 10:58:36,087 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 10:58:36,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2019-09-10 10:58:36,088 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:58:36,088 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 10:58:36,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 10:58:36,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 10:58:36,089 INFO L87 Difference]: Start difference. First operand 8248 states and 10256 transitions. Second operand 2 states. [2019-09-10 10:58:36,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:58:36,090 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 10:58:36,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 10:58:36,090 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 255 [2019-09-10 10:58:36,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:58:36,090 INFO L225 Difference]: With dead ends: 2 [2019-09-10 10:58:36,090 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 10:58:36,092 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 254 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 10:58:36,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 10:58:36,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 10:58:36,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 10:58:36,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 10:58:36,093 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 255 [2019-09-10 10:58:36,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:58:36,093 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 10:58:36,093 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 10:58:36,093 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 10:58:36,093 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 10:58:36,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 10:58:36 BoogieIcfgContainer [2019-09-10 10:58:36,099 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 10:58:36,102 INFO L168 Benchmark]: Toolchain (without parser) took 428966.31 ms. Allocated memory was 133.7 MB in the beginning and 726.1 MB in the end (delta: 592.4 MB). Free memory was 80.2 MB in the beginning and 90.8 MB in the end (delta: -10.6 MB). Peak memory consumption was 581.8 MB. Max. memory is 7.1 GB. [2019-09-10 10:58:36,104 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-10 10:58:36,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2508.26 ms. Allocated memory was 133.7 MB in the beginning and 262.7 MB in the end (delta: 129.0 MB). Free memory was 79.8 MB in the beginning and 161.1 MB in the end (delta: -81.3 MB). Peak memory consumption was 117.4 MB. Max. memory is 7.1 GB. [2019-09-10 10:58:36,107 INFO L168 Benchmark]: Boogie Preprocessor took 413.78 ms. Allocated memory is still 262.7 MB. Free memory was 161.1 MB in the beginning and 124.2 MB in the end (delta: 36.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 7.1 GB. [2019-09-10 10:58:36,112 INFO L168 Benchmark]: RCFGBuilder took 418932.56 ms. Allocated memory was 262.7 MB in the beginning and 608.2 MB in the end (delta: 345.5 MB). Free memory was 124.2 MB in the beginning and 322.2 MB in the end (delta: -197.9 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2019-09-10 10:58:36,113 INFO L168 Benchmark]: TraceAbstraction took 7105.30 ms. Allocated memory was 608.2 MB in the beginning and 726.1 MB in the end (delta: 118.0 MB). Free memory was 322.2 MB in the beginning and 90.8 MB in the end (delta: 231.3 MB). Peak memory consumption was 349.3 MB. Max. memory is 7.1 GB. [2019-09-10 10:58:36,124 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2508.26 ms. Allocated memory was 133.7 MB in the beginning and 262.7 MB in the end (delta: 129.0 MB). Free memory was 79.8 MB in the beginning and 161.1 MB in the end (delta: -81.3 MB). Peak memory consumption was 117.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 413.78 ms. Allocated memory is still 262.7 MB. Free memory was 161.1 MB in the beginning and 124.2 MB in the end (delta: 36.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 418932.56 ms. Allocated memory was 262.7 MB in the beginning and 608.2 MB in the end (delta: 345.5 MB). Free memory was 124.2 MB in the beginning and 322.2 MB in the end (delta: -197.9 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 7105.30 ms. Allocated memory was 608.2 MB in the beginning and 726.1 MB in the end (delta: 118.0 MB). Free memory was 322.2 MB in the beginning and 90.8 MB in the end (delta: 231.3 MB). Peak memory consumption was 349.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5670]: 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 139 procedures, 1051 locations, 1 error locations. SAFE Result, 7.0s OverallTime, 10 OverallIterations, 13 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12053 SDtfs, 8470 SDslu, 5457 SDs, 0 SdLazy, 90 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 285 GetRequests, 275 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8248occurred in iteration=9, 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, 2.5236220472440944 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 64 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1562 NumberOfCodeBlocks, 1562 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1552 ConstructedInterpolants, 0 QuantifiedInterpolants, 383755 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 2839/2851 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...